[INFO] fetching crate logscroll 0.2.4...
[INFO] testing logscroll-0.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate logscroll 0.2.4 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate logscroll 0.2.4 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 logscroll 0.2.4
[INFO] finished tweaking crates.io crate logscroll 0.2.4
[INFO] tweaked toml for crates.io crate logscroll 0.2.4 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate crates.io crate logscroll 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 terminal_size v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] ff1ae06028c54ab3003d7a22b253ab675c62069c9508448964c6c9be034c7797
[INFO] running `Command { std: "docker" "start" "-a" "ff1ae06028c54ab3003d7a22b253ab675c62069c9508448964c6c9be034c7797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff1ae06028c54ab3003d7a22b253ab675c62069c9508448964c6c9be034c7797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1ae06028c54ab3003d7a22b253ab675c62069c9508448964c6c9be034c7797", kill_on_drop: false }`
[INFO] [stdout] ff1ae06028c54ab3003d7a22b253ab675c62069c9508448964c6c9be034c7797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] d618a426942883429f902fbd61a65a9b8df0af56a524d0300e5afb1f86178082
[INFO] running `Command { std: "docker" "start" "-a" "d618a426942883429f902fbd61a65a9b8df0af56a524d0300e5afb1f86178082", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling terminal_size v0.1.8
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling logscroll v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "d618a426942883429f902fbd61a65a9b8df0af56a524d0300e5afb1f86178082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d618a426942883429f902fbd61a65a9b8df0af56a524d0300e5afb1f86178082", kill_on_drop: false }`
[INFO] [stdout] d618a426942883429f902fbd61a65a9b8df0af56a524d0300e5afb1f86178082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 9f55423f78d4b78db8e23c91fca362c40b3a6ca9c0a95036450ecd7fdbe0c161
[INFO] running `Command { std: "docker" "start" "-a" "9f55423f78d4b78db8e23c91fca362c40b3a6ca9c0a95036450ecd7fdbe0c161", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling logscroll v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "9f55423f78d4b78db8e23c91fca362c40b3a6ca9c0a95036450ecd7fdbe0c161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f55423f78d4b78db8e23c91fca362c40b3a6ca9c0a95036450ecd7fdbe0c161", kill_on_drop: false }`
[INFO] [stdout] 9f55423f78d4b78db8e23c91fca362c40b3a6ca9c0a95036450ecd7fdbe0c161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] f23167be1cfd37fd7a3d6b252029242272c3dcda5613163b2e91c6314ef8b2d0
[INFO] running `Command { std: "docker" "start" "-a" "f23167be1cfd37fd7a3d6b252029242272c3dcda5613163b2e91c6314ef8b2d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/logscroll-a80b3d6ff17f685f)
[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" "f23167be1cfd37fd7a3d6b252029242272c3dcda5613163b2e91c6314ef8b2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23167be1cfd37fd7a3d6b252029242272c3dcda5613163b2e91c6314ef8b2d0", kill_on_drop: false }`
[INFO] [stdout] f23167be1cfd37fd7a3d6b252029242272c3dcda5613163b2e91c6314ef8b2d0