[INFO] fetching crate rc-u8-reader 2.0.14...
[INFO] testing rc-u8-reader-2.0.14 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rc-u8-reader 2.0.14 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate rc-u8-reader 2.0.14 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 rc-u8-reader 2.0.14
[INFO] finished tweaking crates.io crate rc-u8-reader 2.0.14
[INFO] tweaked toml for crates.io crate rc-u8-reader 2.0.14 written to /workspace/builds/worker-117/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug-helper v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 09f716edf885e34c04925281dd0a40c231052f7d0ac73c15ac19585bc20d0967
[INFO] running `Command { std: "docker" "start" "-a" "09f716edf885e34c04925281dd0a40c231052f7d0ac73c15ac19585bc20d0967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f716edf885e34c04925281dd0a40c231052f7d0ac73c15ac19585bc20d0967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f716edf885e34c04925281dd0a40c231052f7d0ac73c15ac19585bc20d0967", kill_on_drop: false }`
[INFO] [stdout] 09f716edf885e34c04925281dd0a40c231052f7d0ac73c15ac19585bc20d0967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] a52098caf1b820cb6b63f21b203f8e771fe298700cfc822b43cd703f7f6acab9
[INFO] running `Command { std: "docker" "start" "-a" "a52098caf1b820cb6b63f21b203f8e771fe298700cfc822b43cd703f7f6acab9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling debug-helper v0.3.12
[INFO] [stderr]    Compiling rc-u8-reader v2.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "a52098caf1b820cb6b63f21b203f8e771fe298700cfc822b43cd703f7f6acab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52098caf1b820cb6b63f21b203f8e771fe298700cfc822b43cd703f7f6acab9", kill_on_drop: false }`
[INFO] [stdout] a52098caf1b820cb6b63f21b203f8e771fe298700cfc822b43cd703f7f6acab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 036db1475e0ec042c155b8ca9cd4152a4e4395531d3450e964982e5145164291
[INFO] running `Command { std: "docker" "start" "-a" "036db1475e0ec042c155b8ca9cd4152a4e4395531d3450e964982e5145164291", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-u8-reader v2.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "036db1475e0ec042c155b8ca9cd4152a4e4395531d3450e964982e5145164291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036db1475e0ec042c155b8ca9cd4152a4e4395531d3450e964982e5145164291", kill_on_drop: false }`
[INFO] [stdout] 036db1475e0ec042c155b8ca9cd4152a4e4395531d3450e964982e5145164291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 3019e28f9c40a72c7623ea3ed11688b7ec244786c8fe36c26900e6a1879f3a58
[INFO] running `Command { std: "docker" "start" "-a" "3019e28f9c40a72c7623ea3ed11688b7ec244786c8fe36c26900e6a1879f3a58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc_u8_reader-9c846e82db920048)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rc-u8-reader
[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 4 tests
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3019e28f9c40a72c7623ea3ed11688b7ec244786c8fe36c26900e6a1879f3a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3019e28f9c40a72c7623ea3ed11688b7ec244786c8fe36c26900e6a1879f3a58", kill_on_drop: false }`
[INFO] [stdout] 3019e28f9c40a72c7623ea3ed11688b7ec244786c8fe36c26900e6a1879f3a58