[INFO] fetching crate amestris 0.0.0...
[INFO] testing amestris-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate amestris 0.0.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate amestris 0.0.0 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 amestris 0.0.0
[INFO] finished tweaking crates.io crate amestris 0.0.0
[INFO] tweaked toml for crates.io crate amestris 0.0.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate amestris 0.0.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] ea834f2588b3b4897bdb81278da45e42088e38f25770def0cc2a0599cbf9adee
[INFO] running `Command { std: "docker" "start" "-a" "ea834f2588b3b4897bdb81278da45e42088e38f25770def0cc2a0599cbf9adee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea834f2588b3b4897bdb81278da45e42088e38f25770def0cc2a0599cbf9adee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea834f2588b3b4897bdb81278da45e42088e38f25770def0cc2a0599cbf9adee", kill_on_drop: false }`
[INFO] [stdout] ea834f2588b3b4897bdb81278da45e42088e38f25770def0cc2a0599cbf9adee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 72db71a787f930a7e80d2e43aca2aa735c5bcc234c6cec8f457edcd095d18165
[INFO] running `Command { std: "docker" "start" "-a" "72db71a787f930a7e80d2e43aca2aa735c5bcc234c6cec8f457edcd095d18165", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling amestris v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "72db71a787f930a7e80d2e43aca2aa735c5bcc234c6cec8f457edcd095d18165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72db71a787f930a7e80d2e43aca2aa735c5bcc234c6cec8f457edcd095d18165", kill_on_drop: false }`
[INFO] [stdout] 72db71a787f930a7e80d2e43aca2aa735c5bcc234c6cec8f457edcd095d18165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 16bb53764d9bbbb05f30f4cb6427941cb526993a35ef85c0475ee3842de5e6f7
[INFO] running `Command { std: "docker" "start" "-a" "16bb53764d9bbbb05f30f4cb6427941cb526993a35ef85c0475ee3842de5e6f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling amestris v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "16bb53764d9bbbb05f30f4cb6427941cb526993a35ef85c0475ee3842de5e6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bb53764d9bbbb05f30f4cb6427941cb526993a35ef85c0475ee3842de5e6f7", kill_on_drop: false }`
[INFO] [stdout] 16bb53764d9bbbb05f30f4cb6427941cb526993a35ef85c0475ee3842de5e6f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] fc931c37b3184e544cb0ef02fc68205db2ff5d8d95d4741e29678319c89b6490
[INFO] running `Command { std: "docker" "start" "-a" "fc931c37b3184e544cb0ef02fc68205db2ff5d8d95d4741e29678319c89b6490", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/amestris-a49c44bd2cde1a61)
[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" "fc931c37b3184e544cb0ef02fc68205db2ff5d8d95d4741e29678319c89b6490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc931c37b3184e544cb0ef02fc68205db2ff5d8d95d4741e29678319c89b6490", kill_on_drop: false }`
[INFO] [stdout] fc931c37b3184e544cb0ef02fc68205db2ff5d8d95d4741e29678319c89b6490