[INFO] crate commitlog 0.1.1 is already in cache
[INFO] checking commitlog-0.1.1 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate commitlog 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate commitlog 0.1.1 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate commitlog 0.1.1
[INFO] finished tweaking crates.io crate commitlog 0.1.1
[INFO] tweaked toml for crates.io crate commitlog 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate commitlog 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] a8f21b12410645f247708ba3ba9a4dbd209a8f461d204165a627b176b2510039
[INFO] running `"docker" "start" "-a" "a8f21b12410645f247708ba3ba9a4dbd209a8f461d204165a627b176b2510039"`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling crc32c v0.4.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking commitlog v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(file.read_at(&mut vec, u64::from(file_position)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> benches/log-append.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 | /                 buf.push(
[INFO] [stderr] 43 | |                     "719c3b4556066a1c7a06c9d55959d003d9b46273aabe2 \
[INFO] [stderr] 44 | |                      eae15ef4ba78321ae2a68b0997a4abbd035a4cdbc8b27d701089a5af63a8b \
[INFO] [stderr] 45 | |                      81f9dc16a874d0eda0983b79c1a6f79fe3ae61612ba2558562a85595f2f3f \
[INFO] [stderr] 46 | |                      07fab8faba1b849685b61aad6b131b7041ca79cc662b4c5aad4d1b78fb103 \
[INFO] [stderr] 47 | |                      4fafa2fe4f30207395e399c6d724",
[INFO] [stderr] 48 | |                 );
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(file.read_at(&mut vec, u64::from(file_position)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:744:13
[INFO] [stderr]     |
[INFO] [stderr] 744 |         let mut opts = LogOptions::new(&dir);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:751:17
[INFO] [stderr]     |
[INFO] [stderr] 751 |             let mut log = CommitLog::new(opts.clone()).unwrap();
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/index.rs:723:17
[INFO] [stderr]     |
[INFO] [stderr] 723 |             let mut index = Index::open(&index_path).unwrap();
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:519:9
[INFO] [stderr]     |
[INFO] [stderr] 519 |         msg_buf.push("123456789");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:520:9
[INFO] [stderr]     |
[INFO] [stderr] 520 |         msg_buf.push("000000000");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:548:9
[INFO] [stderr]     |
[INFO] [stderr] 548 |         serialize(&mut buf, 120, b"", b"123456789");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:564:9
[INFO] [stderr]     |
[INFO] [stderr] 564 |         serialize(&mut buf, 120, b"123", b"456789");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:574:9
[INFO] [stderr]     |
[INFO] [stderr] 574 |         buf.push_with_metadata(b"123", b"456789");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:583:9
[INFO] [stderr]     |
[INFO] [stderr] 583 |         serialize(&mut buf, 120, b"", b"123456789");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:605:9
[INFO] [stderr]     |
[INFO] [stderr] 605 |         serialize(&mut buf, 120, b"", b"123456789");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:633:13
[INFO] [stderr]     |
[INFO] [stderr] 633 |             buf.push("foo");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:634:13
[INFO] [stderr]     |
[INFO] [stderr] 634 |             buf.push("bar");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:635:13
[INFO] [stderr]     |
[INFO] [stderr] 635 |             buf.push("baz");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:676:13
[INFO] [stderr]     |
[INFO] [stderr] 676 | /             msg_buf.push(
[INFO] [stderr] 677 | |                 "719c3b4556066a1c7a06c9d55959d003d9b4627
[INFO] [stderr] 678 | | 3aabe2eae15ef4ba78321ae2a68b0997a4abbd035a4cdbc8b27d701089a5af63a
[INFO] [stderr] 679 | | 8b81f9dc16a874d0eda0983b79c1a6f79fe3ae61612ba2558562a85595f2f3f07
[INFO] [stderr] 680 | | fab8faba1b849685b61aad6b131b7041ca79cc662b4c5aad4d1b78fb1034fafa2
[INFO] [stderr] 681 | | fe4f30207395e399c6d724",
[INFO] [stderr] 682 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/message.rs:683:13
[INFO] [stderr]     |
[INFO] [stderr] 683 | /             msg_buf.push(
[INFO] [stderr] 684 | |                 "2cea26f165640d448a9b89f1f871e6fca80a125
[INFO] [stderr] 685 | | 5b1daea6752bf99d8c5f90e706deaecddf304b2bf5a5e72e32b29bc7c54018265
[INFO] [stderr] 686 | | d17317a670ea406fd7e6b485a19f5fb1efe686badb6599d45106b95b55695cd4e
[INFO] [stderr] 687 | | 24729edb312a5dec1bc80e8d8b3ee4b69af1f3a9c801e7fb527e65f7c13c62bb3
[INFO] [stderr] 688 | | 7261c0",
[INFO] [stderr] 689 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             buf.push("12345");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |             buf.push("66666");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |             buf.push("77777");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             buf.push("12345");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |             buf.push("66666");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:272:13
[INFO] [stderr]     |
[INFO] [stderr] 272 |             buf.push("0123456789");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:273:13
[INFO] [stderr]     |
[INFO] [stderr] 273 |             buf.push("aaaaaaaaaa");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |             buf.push("abc");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |         buf.push("0123456789");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         buf.push("aaaaaaaaaa");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         buf.push("abc");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:323:13
[INFO] [stderr]     |
[INFO] [stderr] 323 |             buf.push("0123456789");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:324:13
[INFO] [stderr]     |
[INFO] [stderr] 324 |             buf.push("aaaaaaaaaa");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:325:13
[INFO] [stderr]     |
[INFO] [stderr] 325 |             buf.push("abc");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:336:13
[INFO] [stderr]     |
[INFO] [stderr] 336 |             buf.push("foo");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         buf.push("0123456789");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:382:9
[INFO] [stderr]     |
[INFO] [stderr] 382 |         buf.push("aaaaaaaaaa");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:383:9
[INFO] [stderr]     |
[INFO] [stderr] 383 |         buf.push("abc");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:411:13
[INFO] [stderr]     |
[INFO] [stderr] 411 |             buf.push("zzzzzzzzzz");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:437:13
[INFO] [stderr]     |
[INFO] [stderr] 437 |             buf.push(payload);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/segment.rs:451:13
[INFO] [stderr]     |
[INFO] [stderr] 451 |             buf.push(payload);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:587:13
[INFO] [stderr]     |
[INFO] [stderr] 587 |             buf.push(b"123456");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:588:13
[INFO] [stderr]     |
[INFO] [stderr] 588 |             buf.push(b"789012");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:589:13
[INFO] [stderr]     |
[INFO] [stderr] 589 |             buf.push(b"345678");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:747:13
[INFO] [stderr]     |
[INFO] [stderr] 747 |             log.append_msg("Test");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:782:13
[INFO] [stderr]     |
[INFO] [stderr] 782 |             buf.push(b"123456");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:783:13
[INFO] [stderr]     |
[INFO] [stderr] 783 |             buf.push(b"789012");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:784:13
[INFO] [stderr]     |
[INFO] [stderr] 784 |             buf.push(b"345678");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:785:13
[INFO] [stderr]     |
[INFO] [stderr] 785 |             buf.push(b"aaaaaa");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:786:13
[INFO] [stderr]     |
[INFO] [stderr] 786 |             buf.push(b"bbbbbb");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `"docker" "inspect" "a8f21b12410645f247708ba3ba9a4dbd209a8f461d204165a627b176b2510039"`
[INFO] running `"docker" "rm" "-f" "a8f21b12410645f247708ba3ba9a4dbd209a8f461d204165a627b176b2510039"`
[INFO] [stdout] a8f21b12410645f247708ba3ba9a4dbd209a8f461d204165a627b176b2510039
