[INFO] fetching crate merle 0.0.0...
[INFO] testing merle-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate merle 0.0.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate merle 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 merle 0.0.0
[INFO] finished tweaking crates.io crate merle 0.0.0
[INFO] tweaked toml for crates.io crate merle 0.0.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate crates.io crate merle 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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] a023cba0cf5fcbcd990901ad77dccf186e2e653880ae85e561d22a8065f8a85e
[INFO] running `Command { std: "docker" "start" "-a" "a023cba0cf5fcbcd990901ad77dccf186e2e653880ae85e561d22a8065f8a85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a023cba0cf5fcbcd990901ad77dccf186e2e653880ae85e561d22a8065f8a85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a023cba0cf5fcbcd990901ad77dccf186e2e653880ae85e561d22a8065f8a85e", kill_on_drop: false }`
[INFO] [stdout] a023cba0cf5fcbcd990901ad77dccf186e2e653880ae85e561d22a8065f8a85e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 6cba24ada87cc99fb9b5d049dd87545cb19934b83b910f43afaf236eedb8a30a
[INFO] running `Command { std: "docker" "start" "-a" "6cba24ada87cc99fb9b5d049dd87545cb19934b83b910f43afaf236eedb8a30a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling merle v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "6cba24ada87cc99fb9b5d049dd87545cb19934b83b910f43afaf236eedb8a30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cba24ada87cc99fb9b5d049dd87545cb19934b83b910f43afaf236eedb8a30a", kill_on_drop: false }`
[INFO] [stdout] 6cba24ada87cc99fb9b5d049dd87545cb19934b83b910f43afaf236eedb8a30a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] e4a38718b3a8a5de2b718bbea1496603aebdc97d416d56b6daf839116dd0efd6
[INFO] running `Command { std: "docker" "start" "-a" "e4a38718b3a8a5de2b718bbea1496603aebdc97d416d56b6daf839116dd0efd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling merle v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "e4a38718b3a8a5de2b718bbea1496603aebdc97d416d56b6daf839116dd0efd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a38718b3a8a5de2b718bbea1496603aebdc97d416d56b6daf839116dd0efd6", kill_on_drop: false }`
[INFO] [stdout] e4a38718b3a8a5de2b718bbea1496603aebdc97d416d56b6daf839116dd0efd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 52d03a0aec833b247389d083b8a06fa6fd1861a0a82ec139fb41d3a8760d4443
[INFO] running `Command { std: "docker" "start" "-a" "52d03a0aec833b247389d083b8a06fa6fd1861a0a82ec139fb41d3a8760d4443", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merle-903f97ec293fef74)
[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" "52d03a0aec833b247389d083b8a06fa6fd1861a0a82ec139fb41d3a8760d4443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d03a0aec833b247389d083b8a06fa6fd1861a0a82ec139fb41d3a8760d4443", kill_on_drop: false }`
[INFO] [stdout] 52d03a0aec833b247389d083b8a06fa6fd1861a0a82ec139fb41d3a8760d4443