[INFO] fetching crate robs 0.1.2...
[INFO] testing robs-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate robs 0.1.2 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate robs 0.1.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate robs 0.1.2
[INFO] finished tweaking crates.io crate robs 0.1.2
[INFO] tweaked toml for crates.io crate robs 0.1.2 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 num v0.4.0
[INFO] [stderr]   Downloaded stringr v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 803a604e8398b1cf343b83fec76174121ce1195d689f1ab5d332b6709349a695
[INFO] running `Command { std: "docker" "start" "-a" "803a604e8398b1cf343b83fec76174121ce1195d689f1ab5d332b6709349a695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "803a604e8398b1cf343b83fec76174121ce1195d689f1ab5d332b6709349a695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803a604e8398b1cf343b83fec76174121ce1195d689f1ab5d332b6709349a695", kill_on_drop: false }`
[INFO] [stdout] 803a604e8398b1cf343b83fec76174121ce1195d689f1ab5d332b6709349a695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45db412cc8ab27c44aaf5083c3cc09b05ecdd4767d156803d74418df12c869d3
[INFO] running `Command { std: "docker" "start" "-a" "45db412cc8ab27c44aaf5083c3cc09b05ecdd4767d156803d74418df12c869d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling stringr v0.1.2
[INFO] [stderr]    Compiling robs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.19s
[INFO] running `Command { std: "docker" "inspect" "45db412cc8ab27c44aaf5083c3cc09b05ecdd4767d156803d74418df12c869d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45db412cc8ab27c44aaf5083c3cc09b05ecdd4767d156803d74418df12c869d3", kill_on_drop: false }`
[INFO] [stdout] 45db412cc8ab27c44aaf5083c3cc09b05ecdd4767d156803d74418df12c869d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07fc71766f267f43c9088f9043d6f793a472d0ef936fc9c6a044e35972d359ac
[INFO] running `Command { std: "docker" "start" "-a" "07fc71766f267f43c9088f9043d6f793a472d0ef936fc9c6a044e35972d359ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling robs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "07fc71766f267f43c9088f9043d6f793a472d0ef936fc9c6a044e35972d359ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fc71766f267f43c9088f9043d6f793a472d0ef936fc9c6a044e35972d359ac", kill_on_drop: false }`
[INFO] [stdout] 07fc71766f267f43c9088f9043d6f793a472d0ef936fc9c6a044e35972d359ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44812d471b3e0619ee11b4b8241a11f137dfe669cadec5eacaf9d4ea8d17f2e4
[INFO] running `Command { std: "docker" "start" "-a" "44812d471b3e0619ee11b4b8241a11f137dfe669cadec5eacaf9d4ea8d17f2e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/robs-538cb479ee16bac6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests robs
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::scan_first ... ok
[INFO] [stdout] test tests::scan_last ... ok
[INFO] [stdout] test tests::sig ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "44812d471b3e0619ee11b4b8241a11f137dfe669cadec5eacaf9d4ea8d17f2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44812d471b3e0619ee11b4b8241a11f137dfe669cadec5eacaf9d4ea8d17f2e4", kill_on_drop: false }`
[INFO] [stdout] 44812d471b3e0619ee11b4b8241a11f137dfe669cadec5eacaf9d4ea8d17f2e4