[INFO] fetching crate byte_struct 0.7.1...
[INFO] testing byte_struct-0.7.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate byte_struct 0.7.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate byte_struct 0.7.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byte_struct 0.7.1
[INFO] finished tweaking crates.io crate byte_struct 0.7.1
[INFO] tweaked toml for crates.io crate byte_struct 0.7.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 239d9f7ed68681e514e5ca081a3e11a230bcd0d8a33e3dccffb65174c7cc744a
[INFO] running `Command { std: "docker" "start" "-a" "239d9f7ed68681e514e5ca081a3e11a230bcd0d8a33e3dccffb65174c7cc744a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "239d9f7ed68681e514e5ca081a3e11a230bcd0d8a33e3dccffb65174c7cc744a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239d9f7ed68681e514e5ca081a3e11a230bcd0d8a33e3dccffb65174c7cc744a", kill_on_drop: false }`
[INFO] [stdout] 239d9f7ed68681e514e5ca081a3e11a230bcd0d8a33e3dccffb65174c7cc744a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d531f7181ea03d2e123babc698ec6effc67e5c284233b1744814184a246e6396
[INFO] running `Command { std: "docker" "start" "-a" "d531f7181ea03d2e123babc698ec6effc67e5c284233b1744814184a246e6396", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling byte_struct_derive v0.4.2
[INFO] [stderr]    Compiling byte_struct v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.49s
[INFO] running `Command { std: "docker" "inspect" "d531f7181ea03d2e123babc698ec6effc67e5c284233b1744814184a246e6396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d531f7181ea03d2e123babc698ec6effc67e5c284233b1744814184a246e6396", kill_on_drop: false }`
[INFO] [stdout] d531f7181ea03d2e123babc698ec6effc67e5c284233b1744814184a246e6396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a8e75fe2690775570482e9486c47c0c0d9cbf8fc551b600c131022d47173c25
[INFO] running `Command { std: "docker" "start" "-a" "4a8e75fe2690775570482e9486c47c0c0d9cbf8fc551b600c131022d47173c25", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte_struct v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "4a8e75fe2690775570482e9486c47c0c0d9cbf8fc551b600c131022d47173c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8e75fe2690775570482e9486c47c0c0d9cbf8fc551b600c131022d47173c25", kill_on_drop: false }`
[INFO] [stdout] 4a8e75fe2690775570482e9486c47c0c0d9cbf8fc551b600c131022d47173c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab850abe093bf962ac2ae24dedc274063af03fd258c3ae7b2112fb42d52e51bd
[INFO] running `Command { std: "docker" "start" "-a" "ab850abe093bf962ac2ae24dedc274063af03fd258c3ae7b2112fb42d52e51bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/byte_struct-abb44cb72a5f606d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests byte_struct
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - bitfields (line 431) ... ignored
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab850abe093bf962ac2ae24dedc274063af03fd258c3ae7b2112fb42d52e51bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab850abe093bf962ac2ae24dedc274063af03fd258c3ae7b2112fb42d52e51bd", kill_on_drop: false }`
[INFO] [stdout] ab850abe093bf962ac2ae24dedc274063af03fd258c3ae7b2112fb42d52e51bd