[INFO] fetching crate luby 0.0.1...
[INFO] testing luby-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate luby 0.0.1 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate luby 0.0.1 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 luby 0.0.1
[INFO] finished tweaking crates.io crate luby 0.0.1
[INFO] tweaked toml for crates.io crate luby 0.0.1 written to /workspace/builds/worker-103/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 8ce90b6d1111bebc194c0cb48e03c09f52de26dfa8eb55abf04c234ae325b03f
[INFO] running `Command { std: "docker" "start" "-a" "8ce90b6d1111bebc194c0cb48e03c09f52de26dfa8eb55abf04c234ae325b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce90b6d1111bebc194c0cb48e03c09f52de26dfa8eb55abf04c234ae325b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce90b6d1111bebc194c0cb48e03c09f52de26dfa8eb55abf04c234ae325b03f", kill_on_drop: false }`
[INFO] [stdout] 8ce90b6d1111bebc194c0cb48e03c09f52de26dfa8eb55abf04c234ae325b03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 4f3738d975d7e4b0ebfa6416cfda5dd83c81a04a4cf9971e5b7efe2b325c15e5
[INFO] running `Command { std: "docker" "start" "-a" "4f3738d975d7e4b0ebfa6416cfda5dd83c81a04a4cf9971e5b7efe2b325c15e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling luby v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4f3738d975d7e4b0ebfa6416cfda5dd83c81a04a4cf9971e5b7efe2b325c15e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3738d975d7e4b0ebfa6416cfda5dd83c81a04a4cf9971e5b7efe2b325c15e5", kill_on_drop: false }`
[INFO] [stdout] 4f3738d975d7e4b0ebfa6416cfda5dd83c81a04a4cf9971e5b7efe2b325c15e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] ef36a45a088926f36499146971dcb3f5120564133868580ef6c02b8efb0ab305
[INFO] running `Command { std: "docker" "start" "-a" "ef36a45a088926f36499146971dcb3f5120564133868580ef6c02b8efb0ab305", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling luby v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "ef36a45a088926f36499146971dcb3f5120564133868580ef6c02b8efb0ab305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef36a45a088926f36499146971dcb3f5120564133868580ef6c02b8efb0ab305", kill_on_drop: false }`
[INFO] [stdout] ef36a45a088926f36499146971dcb3f5120564133868580ef6c02b8efb0ab305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] be3cafe247296225f15b5ec25ca247c5728609af504b1175b175411772533f2d
[INFO] running `Command { std: "docker" "start" "-a" "be3cafe247296225f15b5ec25ca247c5728609af504b1175b175411772533f2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luby-34997455ec1df997)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::exhaust_i16 ... ok
[INFO] [stdout] test tests::exhaust_u16 ... ok
[INFO] [stdout] test tests::prefix_i16 ... ok
[INFO] [stdout] test tests::exhaust_u8 ... ok
[INFO] [stdout] test tests::prefix_i64 ... ok
[INFO] [stdout] test tests::prefix_u8 ... ok
[INFO] [stdout] test tests::prefix_u16 ... ok
[INFO] [stdout] test tests::prefix_u64 ... ok
[INFO] [stdout] test tests::prefix_i8 ... ok
[INFO] [stderr]    Doc-tests luby
[INFO] [stdout] test tests::prefix_u32 ... ok
[INFO] [stdout] test tests::prefix_i32 ... ok
[INFO] [stdout] test tests::exhaust_i8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "be3cafe247296225f15b5ec25ca247c5728609af504b1175b175411772533f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3cafe247296225f15b5ec25ca247c5728609af504b1175b175411772533f2d", kill_on_drop: false }`
[INFO] [stdout] be3cafe247296225f15b5ec25ca247c5728609af504b1175b175411772533f2d