[INFO] fetching crate tailed 0.0.1... [INFO] testing tailed-0.0.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate tailed 0.0.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate tailed 0.0.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fc296f3df835548f888ffbf1c7cb81ad85129f7db89a7f52778c8fbc3d9dc91 [INFO] running `Command { std: "docker" "start" "-a" "3fc296f3df835548f888ffbf1c7cb81ad85129f7db89a7f52778c8fbc3d9dc91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fc296f3df835548f888ffbf1c7cb81ad85129f7db89a7f52778c8fbc3d9dc91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fc296f3df835548f888ffbf1c7cb81ad85129f7db89a7f52778c8fbc3d9dc91", kill_on_drop: false }` [INFO] [stdout] 3fc296f3df835548f888ffbf1c7cb81ad85129f7db89a7f52778c8fbc3d9dc91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a685ae6c3ca64a63b28ed080ca4a4e4bac0615f691009bb19ae5950498fdf6f8 [INFO] running `Command { std: "docker" "start" "-a" "a685ae6c3ca64a63b28ed080ca4a4e4bac0615f691009bb19ae5950498fdf6f8", kill_on_drop: false }` [INFO] [stderr] Compiling tailed v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "a685ae6c3ca64a63b28ed080ca4a4e4bac0615f691009bb19ae5950498fdf6f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a685ae6c3ca64a63b28ed080ca4a4e4bac0615f691009bb19ae5950498fdf6f8", kill_on_drop: false }` [INFO] [stdout] a685ae6c3ca64a63b28ed080ca4a4e4bac0615f691009bb19ae5950498fdf6f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dd45365dcbd652fd9b02841f4967bffefc9c1491936306726642e69c84daa36 [INFO] running `Command { std: "docker" "start" "-a" "0dd45365dcbd652fd9b02841f4967bffefc9c1491936306726642e69c84daa36", kill_on_drop: false }` [INFO] [stderr] Compiling tailed v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "0dd45365dcbd652fd9b02841f4967bffefc9c1491936306726642e69c84daa36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dd45365dcbd652fd9b02841f4967bffefc9c1491936306726642e69c84daa36", kill_on_drop: false }` [INFO] [stdout] 0dd45365dcbd652fd9b02841f4967bffefc9c1491936306726642e69c84daa36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 00d10bd0af52e2deadc82df0a4210e00e21844d82a2138e21a9c2f041d9299bf [INFO] running `Command { std: "docker" "start" "-a" "00d10bd0af52e2deadc82df0a4210e00e21844d82a2138e21a9c2f041d9299bf", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tailed-788c4996e1b3df6c) [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, [u8]>::from_bytes (line 110) ... FAILED [INFO] [stdout] test src/lib.rs - Tailed, [u8]>::from_bytes_with_length (line 149) ... FAILED [INFO] [stdout] test src/lib.rs - Tailed::from_raw_parts_mut (line 84) ... ok [INFO] [stdout] test src/lib.rs - Tailed::from_raw_parts (line 57) ... ok [INFO] [stdout] test src/lib.rs - Tailed, [u8]>::assume_init (line 234) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Tailed, [u8]>::from_bytes (line 110) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:109:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(maybe_uninit_extra)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/lib.rs:122:33 [INFO] [stdout] | [INFO] [stdout] 15 | assert_eq!(unsafe { tailed.head.read() }, Header {a: 0x0101, b: 0x02 }); [INFO] [stdout] | ^^^^ method not found in `MaybeUninit
` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [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, [u8]>::from_bytes_with_length (line 149) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:148:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(maybe_uninit_extra)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/lib.rs:161:33 [INFO] [stdout] | [INFO] [stdout] 15 | assert_eq!(unsafe { tailed.head.read() }, Header {a: 0x0101, b: 0x02 }); [INFO] [stdout] | ^^^^ method not found in `MaybeUninit
` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [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, [u8]>::from_bytes (line 110) [INFO] [stdout] src/lib.rs - Tailed, [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 0.54s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "00d10bd0af52e2deadc82df0a4210e00e21844d82a2138e21a9c2f041d9299bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00d10bd0af52e2deadc82df0a4210e00e21844d82a2138e21a9c2f041d9299bf", kill_on_drop: false }` [INFO] [stdout] 00d10bd0af52e2deadc82df0a4210e00e21844d82a2138e21a9c2f041d9299bf