[INFO] crate microcrates-bytes 0.4.8 is already in cache
[INFO] checking microcrates-bytes-0.4.8 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate microcrates-bytes 0.4.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate microcrates-bytes 0.4.8 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate microcrates-bytes 0.4.8
[INFO] finished tweaking crates.io crate microcrates-bytes 0.4.8
[INFO] tweaked toml for crates.io crate microcrates-bytes 0.4.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f4ad481525ec8870ef8ee5b52c04547c7f28d442bd6666ffd06a55c32f07db3
[INFO] running `"docker" "start" "-a" "6f4ad481525ec8870ef8ee5b52c04547c7f28d442bd6666ffd06a55c32f07db3"`
[INFO] [stderr]     Checking microcrates-bytes v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(write!(fmt, "b\""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 try!(write!(fmt, "\\n"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 try!(write!(fmt, "\\r"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 try!(write!(fmt, "\\t"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 try!(write!(fmt, "\\{}", c as char));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 try!(write!(fmt, "\\0"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 try!(write!(fmt, "{}", c as char));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 try!(write!(fmt, "\\x{:02x}", c));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         try!(write!(fmt, "\""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/bytes.rs:1550:40
[INFO] [stderr]      |
[INFO] [stderr] 1550 |                 let mut inner: Inner = mem::uninitialized();
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/bytes.rs:1736:40
[INFO] [stderr]      |
[INFO] [stderr] 1736 |                 let mut inner: Inner = mem::uninitialized();
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/bytes.rs:2012:36
[INFO] [stderr]      |
[INFO] [stderr] 2012 |             let mut inner: Inner = mem::uninitialized();
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing crate `std`?
[INFO] [stderr]    --> src/buf/cursor.rs:333:9
[INFO] [stderr]     |
[INFO] [stderr] 333 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stderr]     |         ^^^ maybe a missing crate `std`?
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:370:38
[INFO] [stderr]     |
[INFO] [stderr] 370 |         let mut writer = Cursor::new(vec![0u8; 9].into_boxed_slice());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:447:38
[INFO] [stderr]     |
[INFO] [stderr] 447 |         let mut reader = Cursor::new(vec![0, 1, 2, 3, 4, 5, 6, 7]);
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:469:38
[INFO] [stderr]     |
[INFO] [stderr] 469 |         let mut reader = Cursor::new(vec![0, 1, 2, 3, 4, 5, 6, 7].into_boxed_slice());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:491:38
[INFO] [stderr]     |
[INFO] [stderr] 491 |         let mut reader = Cursor::new(vec![0, 1, 2, 3, 4, 5, 6, 7]);
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:499:22
[INFO] [stderr]     |
[INFO] [stderr] 499 |         let in_buf = vec![0, 1, 2, 3, 4, 5, 6, 7];
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:521:22
[INFO] [stderr]     |
[INFO] [stderr] 521 |         let in_buf = vec![0, 1, 2, 3, 4, 5, 6, 7];
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:539:22
[INFO] [stderr]     |
[INFO] [stderr] 539 |         let in_buf = vec![0, 1, 2, 3, 4, 5, 6, 7];
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:586:33
[INFO] [stderr]     |
[INFO] [stderr] 586 |         let mut r = Cursor::new(vec![10]);
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:595:33
[INFO] [stderr]     |
[INFO] [stderr] 595 |         let mut r = Cursor::new(vec![10].into_boxed_slice());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:611:33
[INFO] [stderr]     |
[INFO] [stderr] 611 |         let mut r = Cursor::new(vec![10]);
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:628:33
[INFO] [stderr]     |
[INFO] [stderr] 628 |         let mut r = Cursor::new(vec![10].into_boxed_slice());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:643:33
[INFO] [stderr]     |
[INFO] [stderr] 643 |         let mut r = Cursor::new(vec![10]);
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `vec` in this scope
[INFO] [stderr]    --> src/buf/cursor.rs:650:33
[INFO] [stderr]     |
[INFO] [stderr] 650 |         let mut r = Cursor::new(vec![10].into_boxed_slice());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |             assert_eq!(writer.seek(SeekFrom::Start(2)).unwrap(), 2);
[INFO] [stderr]     |                                    ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:421:36
[INFO] [stderr]     |
[INFO] [stderr] 421 |             assert_eq!(writer.seek(SeekFrom::Current(-2)).unwrap(), 1);
[INFO] [stderr]     |                                    ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:426:36
[INFO] [stderr]     |
[INFO] [stderr] 426 |             assert_eq!(writer.seek(SeekFrom::End(-1)).unwrap(), 7);
[INFO] [stderr]     |                                    ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:583:27
[INFO] [stderr]     |
[INFO] [stderr] 583 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:587:27
[INFO] [stderr]     |
[INFO] [stderr] 587 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:592:27
[INFO] [stderr]     |
[INFO] [stderr] 592 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:596:27
[INFO] [stderr]     |
[INFO] [stderr] 596 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:604:27
[INFO] [stderr]     |
[INFO] [stderr] 604 |         assert_eq!(r.seek(SeekFrom::Start(6)).unwrap(), 6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:605:27
[INFO] [stderr]     |
[INFO] [stderr] 605 |         assert_eq!(r.seek(SeekFrom::Current(0x7ffffffffffffff0)).unwrap(), 0x7ffffffffffffff6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:606:27
[INFO] [stderr]     |
[INFO] [stderr] 606 |         assert_eq!(r.seek(SeekFrom::Current(0x10)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:607:27
[INFO] [stderr]     |
[INFO] [stderr] 607 |         assert_eq!(r.seek(SeekFrom::Current(0)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:608:24
[INFO] [stderr]     |
[INFO] [stderr] 608 |         assert!(r.seek(SeekFrom::Current(0x7ffffffffffffffd)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:609:27
[INFO] [stderr]     |
[INFO] [stderr] 609 |         assert_eq!(r.seek(SeekFrom::Current(-0x8000000000000000)).unwrap(), 6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:612:27
[INFO] [stderr]     |
[INFO] [stderr] 612 |         assert_eq!(r.seek(SeekFrom::Start(6)).unwrap(), 6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:613:27
[INFO] [stderr]     |
[INFO] [stderr] 613 |         assert_eq!(r.seek(SeekFrom::Current(0x7ffffffffffffff0)).unwrap(), 0x7ffffffffffffff6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:614:27
[INFO] [stderr]     |
[INFO] [stderr] 614 |         assert_eq!(r.seek(SeekFrom::Current(0x10)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:615:27
[INFO] [stderr]     |
[INFO] [stderr] 615 |         assert_eq!(r.seek(SeekFrom::Current(0)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:616:24
[INFO] [stderr]     |
[INFO] [stderr] 616 |         assert!(r.seek(SeekFrom::Current(0x7ffffffffffffffd)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:617:27
[INFO] [stderr]     |
[INFO] [stderr] 617 |         assert_eq!(r.seek(SeekFrom::Current(-0x8000000000000000)).unwrap(), 6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:621:27
[INFO] [stderr]     |
[INFO] [stderr] 621 |         assert_eq!(r.seek(SeekFrom::Start(6)).unwrap(), 6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:622:27
[INFO] [stderr]     |
[INFO] [stderr] 622 |         assert_eq!(r.seek(SeekFrom::Current(0x7ffffffffffffff0)).unwrap(), 0x7ffffffffffffff6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:623:27
[INFO] [stderr]     |
[INFO] [stderr] 623 |         assert_eq!(r.seek(SeekFrom::Current(0x10)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:624:27
[INFO] [stderr]     |
[INFO] [stderr] 624 |         assert_eq!(r.seek(SeekFrom::Current(0)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:625:24
[INFO] [stderr]     |
[INFO] [stderr] 625 |         assert!(r.seek(SeekFrom::Current(0x7ffffffffffffffd)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:626:27
[INFO] [stderr]     |
[INFO] [stderr] 626 |         assert_eq!(r.seek(SeekFrom::Current(-0x8000000000000000)).unwrap(), 6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:629:27
[INFO] [stderr]     |
[INFO] [stderr] 629 |         assert_eq!(r.seek(SeekFrom::Start(6)).unwrap(), 6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:630:27
[INFO] [stderr]     |
[INFO] [stderr] 630 |         assert_eq!(r.seek(SeekFrom::Current(0x7ffffffffffffff0)).unwrap(), 0x7ffffffffffffff6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:631:27
[INFO] [stderr]     |
[INFO] [stderr] 631 |         assert_eq!(r.seek(SeekFrom::Current(0x10)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:632:27
[INFO] [stderr]     |
[INFO] [stderr] 632 |         assert_eq!(r.seek(SeekFrom::Current(0)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:633:24
[INFO] [stderr]     |
[INFO] [stderr] 633 |         assert!(r.seek(SeekFrom::Current(0x7ffffffffffffffd)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:634:27
[INFO] [stderr]     |
[INFO] [stderr] 634 |         assert_eq!(r.seek(SeekFrom::Current(-0x8000000000000000)).unwrap(), 6);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:641:24
[INFO] [stderr]     |
[INFO] [stderr] 641 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:644:24
[INFO] [stderr]     |
[INFO] [stderr] 644 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:648:24
[INFO] [stderr]     |
[INFO] [stderr] 648 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:651:24
[INFO] [stderr]     |
[INFO] [stderr] 651 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:667:32
[INFO] [stderr]     |
[INFO] [stderr] 667 |         assert_eq!(writer.seek(SeekFrom::Start(0)).unwrap(), 0);
[INFO] [stderr]     |                                ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:673:32
[INFO] [stderr]     |
[INFO] [stderr] 673 |         assert_eq!(writer.seek(SeekFrom::Current(1)).unwrap(), 3);
[INFO] [stderr]     |                                ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:678:32
[INFO] [stderr]     |
[INFO] [stderr] 678 |         assert_eq!(writer.seek(SeekFrom::End(-1)).unwrap(), 7);
[INFO] [stderr]     |                                ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:683:32
[INFO] [stderr]     |
[INFO] [stderr] 683 |         assert_eq!(writer.seek(SeekFrom::End(1)).unwrap(), 10);
[INFO] [stderr]     |                                ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:693:27
[INFO] [stderr]     |
[INFO] [stderr] 693 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                           ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SeekFrom`
[INFO] [stderr]    --> src/buf/cursor.rs:700:24
[INFO] [stderr]     |
[INFO] [stderr] 700 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                        ^^^^^^^^ use of undeclared type or module `SeekFrom`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(write!(fmt, "b\""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 try!(write!(fmt, "\\n"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 try!(write!(fmt, "\\r"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 try!(write!(fmt, "\\t"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 try!(write!(fmt, "\\{}", c as char));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 try!(write!(fmt, "\\0"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 try!(write!(fmt, "{}", c as char));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 try!(write!(fmt, "\\x{:02x}", c));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         try!(write!(fmt, "\""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/bytes.rs:1550:40
[INFO] [stderr]      |
[INFO] [stderr] 1550 |                 let mut inner: Inner = mem::uninitialized();
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/bytes.rs:1736:40
[INFO] [stderr]      |
[INFO] [stderr] 1736 |                 let mut inner: Inner = mem::uninitialized();
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/bytes.rs:2012:36
[INFO] [stderr]      |
[INFO] [stderr] 2012 |             let mut inner: Inner = mem::uninitialized();
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `microcrates-bytes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `write` found for struct `alloc::vec::Vec<_>` in the current scope
[INFO] [stderr]     --> src/buf/cursor.rs:338:27
[INFO] [stderr]      |
[INFO] [stderr] 338  |         assert_eq!(writer.write(&[0]).unwrap(), 1);
[INFO] [stderr]      |                           ^^^^^ method not found in `alloc::vec::Vec<_>`
[INFO] [stderr]      |
[INFO] [stderr]      = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]      = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]              `use std::io::Write;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `alloc::vec::Vec<_>` in the current scope
[INFO] [stderr]     --> src/buf/cursor.rs:339:27
[INFO] [stderr]      |
[INFO] [stderr] 339  |         assert_eq!(writer.write(&[1, 2, 3]).unwrap(), 3);
[INFO] [stderr]      |                           ^^^^^ method not found in `alloc::vec::Vec<_>`
[INFO] [stderr]      |
[INFO] [stderr]      = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]      = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]              `use std::io::Write;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `alloc::vec::Vec<_>` in the current scope
[INFO] [stderr]     --> src/buf/cursor.rs:340:27
[INFO] [stderr]      |
[INFO] [stderr] 340  |         assert_eq!(writer.write(&[4, 5, 6, 7]).unwrap(), 4);
[INFO] [stderr]      |                           ^^^^^ method not found in `alloc::vec::Vec<_>`
[INFO] [stderr]      |
[INFO] [stderr]      = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]      = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]              `use std::io::Write;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:349:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 349 |         assert_eq!(writer.write(&[0]).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:350:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 350 |         assert_eq!(writer.write(&[1, 2, 3]).unwrap(), 3);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:351:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 351 |         assert_eq!(writer.write(&[4, 5, 6, 7]).unwrap(), 4);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:361:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 361 |         assert_eq!(writer.write(&[0]).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<&mut alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:362:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 362 |         assert_eq!(writer.write(&[1, 2, 3]).unwrap(), 3);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<&mut alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:363:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 363 |         assert_eq!(writer.write(&[4, 5, 6, 7]).unwrap(), 4);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<&mut alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:372:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 372 |         assert_eq!(writer.write(&[0]).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:374:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 374 |         assert_eq!(writer.write(&[1, 2, 3]).unwrap(), 3);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:375:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 375 |         assert_eq!(writer.write(&[4, 5, 6, 7]).unwrap(), 4);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:377:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 377 |         assert_eq!(writer.write(&[]).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:380:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 380 |         assert_eq!(writer.write(&[8, 9]).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:381:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 381 |         assert_eq!(writer.write(&[10]).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:392:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 392 |             assert_eq!(writer.write(&[0]).unwrap(), 1);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:394:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 394 |             assert_eq!(writer.write(&[1, 2, 3]).unwrap(), 3);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:395:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 395 |             assert_eq!(writer.write(&[4, 5, 6, 7]).unwrap(), 4);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:397:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 397 |             assert_eq!(writer.write(&[]).unwrap(), 0);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:400:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 400 |             assert_eq!(writer.write(&[8, 9]).unwrap(), 1);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:401:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 401 |             assert_eq!(writer.write(&[10]).unwrap(), 0);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:413:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 413 |             assert_eq!(writer.write(&[1]).unwrap(), 1);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:416:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 416 |             assert_eq!(writer.seek(SeekFrom::Start(2)).unwrap(), 2);
[INFO] [stderr]     |                               ^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:418:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 418 |             assert_eq!(writer.write(&[2]).unwrap(), 1);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:421:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 421 |             assert_eq!(writer.seek(SeekFrom::Current(-2)).unwrap(), 1);
[INFO] [stderr]     |                               ^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:423:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 423 |             assert_eq!(writer.write(&[3]).unwrap(), 1);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:426:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 426 |             assert_eq!(writer.seek(SeekFrom::End(-1)).unwrap(), 7);
[INFO] [stderr]     |                               ^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:428:31
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 428 |             assert_eq!(writer.write(&[4]).unwrap(), 1);
[INFO] [stderr]     |                               ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:440:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 440 |         assert_eq!(writer.write(&[0]).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:441:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 441 |         assert_eq!(writer.write(&[0, 0]).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [u8]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:442:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 442 |         assert_eq!(writer.write(&[0, 0]).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<&mut [u8]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:449:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 449 |         assert_eq!(reader.read(&mut buf).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:452:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 452 |         assert_eq!(reader.read(&mut buf).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:457:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 457 |         assert_eq!(reader.read(&mut buf).unwrap(), 4);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:461:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 461 |         assert_eq!(reader.read(&mut buf).unwrap(), 3);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:464:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 464 |         assert_eq!(reader.read(&mut buf).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:471:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 471 |         assert_eq!(reader.read(&mut buf).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:474:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 474 |         assert_eq!(reader.read(&mut buf).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:479:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 479 |         assert_eq!(reader.read(&mut buf).unwrap(), 4);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:483:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 483 |         assert_eq!(reader.read(&mut buf).unwrap(), 3);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:486:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 486 |         assert_eq!(reader.read(&mut buf).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read_to_end` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:493:16
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read_to_end` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 493 |         reader.read_to_end(&mut v).unwrap();
[INFO] [stderr]     |                ^^^^^^^^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read_to_end`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:542:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 542 |         assert_eq!(reader.read(&mut buf).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:545:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 545 |         assert_eq!(reader.read(&mut buf).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:550:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 550 |         assert_eq!(reader.read(&mut buf).unwrap(), 4);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:554:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 554 |         assert_eq!(reader.read(&mut buf).unwrap(), 3);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:557:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 557 |         assert_eq!(reader.read(&mut buf).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:583:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 583 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:584:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 584 |         assert_eq!(r.read(&mut [0]).unwrap(), 0);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:587:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 587 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:588:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `read` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 588 |         assert_eq!(r.read(&mut [0]).unwrap(), 0);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `read`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:592:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 592 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:593:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 593 |         assert_eq!(r.write(&[3]).unwrap(), 0);
[INFO] [stderr]     |                      ^^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:596:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 596 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:597:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 597 |         assert_eq!(r.write(&[3]).unwrap(), 0);
[INFO] [stderr]     |                      ^^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:604:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 604 |         assert_eq!(r.seek(SeekFrom::Start(6)).unwrap(), 6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:605:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 605 |         assert_eq!(r.seek(SeekFrom::Current(0x7ffffffffffffff0)).unwrap(), 0x7ffffffffffffff6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:606:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 606 |         assert_eq!(r.seek(SeekFrom::Current(0x10)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:607:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 607 |         assert_eq!(r.seek(SeekFrom::Current(0)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:608:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 608 |         assert!(r.seek(SeekFrom::Current(0x7ffffffffffffffd)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:609:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 609 |         assert_eq!(r.seek(SeekFrom::Current(-0x8000000000000000)).unwrap(), 6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:612:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 612 |         assert_eq!(r.seek(SeekFrom::Start(6)).unwrap(), 6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:613:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 613 |         assert_eq!(r.seek(SeekFrom::Current(0x7ffffffffffffff0)).unwrap(), 0x7ffffffffffffff6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:614:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 614 |         assert_eq!(r.seek(SeekFrom::Current(0x10)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:615:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 615 |         assert_eq!(r.seek(SeekFrom::Current(0)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:616:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 616 |         assert!(r.seek(SeekFrom::Current(0x7ffffffffffffffd)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:617:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 617 |         assert_eq!(r.seek(SeekFrom::Current(-0x8000000000000000)).unwrap(), 6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:621:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 621 |         assert_eq!(r.seek(SeekFrom::Start(6)).unwrap(), 6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:622:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 622 |         assert_eq!(r.seek(SeekFrom::Current(0x7ffffffffffffff0)).unwrap(), 0x7ffffffffffffff6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:623:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 623 |         assert_eq!(r.seek(SeekFrom::Current(0x10)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:624:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 624 |         assert_eq!(r.seek(SeekFrom::Current(0)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:625:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 625 |         assert!(r.seek(SeekFrom::Current(0x7ffffffffffffffd)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:626:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 626 |         assert_eq!(r.seek(SeekFrom::Current(-0x8000000000000000)).unwrap(), 6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:629:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 629 |         assert_eq!(r.seek(SeekFrom::Start(6)).unwrap(), 6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:630:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 630 |         assert_eq!(r.seek(SeekFrom::Current(0x7ffffffffffffff0)).unwrap(), 0x7ffffffffffffff6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:631:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 631 |         assert_eq!(r.seek(SeekFrom::Current(0x10)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:632:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 632 |         assert_eq!(r.seek(SeekFrom::Current(0)).unwrap(), 0x8000000000000006);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:633:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 633 |         assert!(r.seek(SeekFrom::Current(0x7ffffffffffffffd)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:634:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 634 |         assert_eq!(r.seek(SeekFrom::Current(-0x8000000000000000)).unwrap(), 6);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&[{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:641:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 641 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<&[{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:644:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 644 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<&mut [{integer}]>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:648:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 648 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<&mut [{integer}]>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<_>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:651:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 651 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<_>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:659:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 659 |         assert_eq!(writer.write(&[0]).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:661:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 661 |         assert_eq!(writer.write(&[1, 2, 3]).unwrap(), 3);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:662:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 662 |         assert_eq!(writer.write(&[4, 5, 6, 7]).unwrap(), 4);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:667:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 667 |         assert_eq!(writer.seek(SeekFrom::Start(0)).unwrap(), 0);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:669:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 669 |         assert_eq!(writer.write(&[3, 4]).unwrap(), 2);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:673:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 673 |         assert_eq!(writer.seek(SeekFrom::Current(1)).unwrap(), 3);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:674:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 674 |         assert_eq!(writer.write(&[0, 1]).unwrap(), 2);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:678:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 678 |         assert_eq!(writer.seek(SeekFrom::End(-1)).unwrap(), 7);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:679:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 679 |         assert_eq!(writer.write(&[1, 2]).unwrap(), 2);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:683:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 683 |         assert_eq!(writer.seek(SeekFrom::End(1)).unwrap(), 10);
[INFO] [stderr]     |                           ^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<u8>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:684:27
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 684 |         assert_eq!(writer.write(&[1]).unwrap(), 1);
[INFO] [stderr]     |                           ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:693:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 693 |         assert_eq!(r.seek(SeekFrom::Start(10)).unwrap(), 10);
[INFO] [stderr]     |                      ^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write` found for struct `buf::cursor::Cursor<alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:694:22
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `write` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 694 |         assert_eq!(r.write(&[3]).unwrap(), 1);
[INFO] [stderr]     |                      ^^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following traits define an item `write`, perhaps you need to implement one of them:
[INFO] [stderr]             candidate #1: `core::hash::Hasher`
[INFO] [stderr]             candidate #2: `std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `seek` found for struct `buf::cursor::Cursor<alloc::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/buf/cursor.rs:700:19
[INFO] [stderr]     |
[INFO] [stderr] 91  | pub struct Cursor<T> {
[INFO] [stderr]     | -------------------- method `seek` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 700 |         assert!(r.seek(SeekFrom::End(-2)).is_err());
[INFO] [stderr]     |                   ^^^^ method not found in `buf::cursor::Cursor<alloc::vec::Vec<_>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]     = note: the following trait defines an item `seek`, perhaps you need to implement it:
[INFO] [stderr]             candidate #1: `std::io::Seek`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 164 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `microcrates-bytes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6f4ad481525ec8870ef8ee5b52c04547c7f28d442bd6666ffd06a55c32f07db3"`
[INFO] running `"docker" "rm" "-f" "6f4ad481525ec8870ef8ee5b52c04547c7f28d442bd6666ffd06a55c32f07db3"`
[INFO] [stdout] 6f4ad481525ec8870ef8ee5b52c04547c7f28d442bd6666ffd06a55c32f07db3
