[INFO] fetching crate tailed 0.0.1...
[INFO] testing tailed-0.0.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate tailed 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tailed 0.0.1
[INFO] finished tweaking crates.io crate tailed 0.0.1
[INFO] tweaked toml for crates.io crate tailed 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tailed 0.0.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to highest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903
[INFO] running `Command { std: "docker" "start" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailed v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `core::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lib.rs:73:61
[INFO] [stdout]    |
[INFO] [stdout] 73 |         assert!(count * mem::size_of::<T>() <= core::isize::MAX as usize);
[INFO] [stdout]    |                                                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:101:61
[INFO] [stdout]     |
[INFO] [stdout] 101 |         assert!(count * mem::size_of::<T>() <= core::isize::MAX as usize);
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:140:57
[INFO] [stdout]     |
[INFO] [stdout] 140 |         Self::from_bytes_with_length(data, core::usize::MAX)
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:210:49
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let tail_bytes = if len == core::usize::MAX {
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailed v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `core::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lib.rs:73:61
[INFO] [stdout]    |
[INFO] [stdout] 73 |         assert!(count * mem::size_of::<T>() <= core::isize::MAX as usize);
[INFO] [stdout]    |                                                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:101:61
[INFO] [stdout]     |
[INFO] [stdout] 101 |         assert!(count * mem::size_of::<T>() <= core::isize::MAX as usize);
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:140:57
[INFO] [stdout]     |
[INFO] [stdout] 140 |         Self::from_bytes_with_length(data, core::usize::MAX)
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:210:49
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let tail_bytes = if len == core::usize::MAX {
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/lib.rs:73:61
[INFO] [stdout]    |
[INFO] [stdout] 73 |         assert!(count * mem::size_of::<T>() <= core::isize::MAX as usize);
[INFO] [stdout]    |                                                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:101:61
[INFO] [stdout]     |
[INFO] [stdout] 101 |         assert!(count * mem::size_of::<T>() <= core::isize::MAX as usize);
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:140:57
[INFO] [stdout]     |
[INFO] [stdout] 140 |         Self::from_bytes_with_length(data, core::usize::MAX)
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:210:49
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let tail_bytes = if len == core::usize::MAX {
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `core::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> src/lib.rs:73:61
[INFO] [stderr]    |
[INFO] [stderr] 73 |         assert!(count * mem::size_of::<T>() <= core::isize::MAX as usize);
[INFO] [stderr]    |                                                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `core::isize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> src/lib.rs:101:61
[INFO] [stderr]     |
[INFO] [stderr] 101 |         assert!(count * mem::size_of::<T>() <= core::isize::MAX as usize);
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `core::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> src/lib.rs:140:57
[INFO] [stderr]     |
[INFO] [stderr] 140 |         Self::from_bytes_with_length(data, core::usize::MAX)
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `core::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> src/lib.rs:210:49
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let tail_bytes = if len == core::usize::MAX {
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tailed` (lib) generated 4 warnings
[INFO] [stderr] warning: `tailed` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/tailed/a43d2ef43e15a0ae/out/tailed-a43d2ef43e15a0ae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tailed
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Tailed<mem::MaybeUninit<H>,[u8]>::from_bytes (line 110) ... FAILED
[INFO] [stdout] test src/lib.rs - Tailed<mem::MaybeUninit<H>,[u8]>::from_bytes_with_length (line 149) ... FAILED
[INFO] [stdout] test src/lib.rs - Tailed<H,[T]>::from_raw_parts_mut (line 84) ... ok
[INFO] [stdout] test src/lib.rs - Tailed<H,[T]>::from_raw_parts (line 57) ... ok
[INFO] [stdout] test src/lib.rs - Tailed<mem::MaybeUninit<H>,[u8]>::assume_init (line 234) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Tailed<mem::MaybeUninit<H>,[u8]>::from_bytes (line 110) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 | assert_eq!(unsafe { tailed.head.read() }, Header {a: 0x0101, b: 0x02 });
[INFO] [stdout]     |                                 ^^^^ method not found in `MaybeUninit<Header>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Tailed<mem::MaybeUninit<H>,[u8]>::from_bytes_with_length (line 149) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:169:92
[INFO] [stdout]     |
[INFO] [stdout] 169 | let tailed = Tailed::<MaybeUninit<Header>, _>::from_bytes_with_length(&bytes, core::usize::MAX);
[INFO] [stdout]     |                                                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:163:33
[INFO] [stdout]     |
[INFO] [stdout] 163 | assert_eq!(unsafe { tailed.head.read() }, Header {a: 0x0101, b: 0x02 });
[INFO] [stdout]     |                                 ^^^^ method not found in `MaybeUninit<Header>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Tailed<mem::MaybeUninit<H>,[u8]>::from_bytes (line 110)
[INFO] [stdout]     src/lib.rs - Tailed<mem::MaybeUninit<H>,[u8]>::from_bytes_with_length (line 149)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903", kill_on_drop: false }`
[INFO] [stdout] 67b358ad546c0853a8c7991e219fc8ab8e248782969fd71e5bdeeed11a34c903
