[INFO] fetching crate anvil 0.0.1...
[INFO] testing anvil-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate anvil 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate anvil 0.0.1 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 anvil 0.0.1
[INFO] finished tweaking crates.io crate anvil 0.0.1
[INFO] tweaked toml for crates.io crate anvil 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e9ee7729d59a29d2bc8f785cbb035b845e3f0b316c2865cdec2bf7376d90a8b8
[INFO] running `Command { std: "docker" "start" "-a" "e9ee7729d59a29d2bc8f785cbb035b845e3f0b316c2865cdec2bf7376d90a8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ee7729d59a29d2bc8f785cbb035b845e3f0b316c2865cdec2bf7376d90a8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ee7729d59a29d2bc8f785cbb035b845e3f0b316c2865cdec2bf7376d90a8b8", kill_on_drop: false }`
[INFO] [stdout] e9ee7729d59a29d2bc8f785cbb035b845e3f0b316c2865cdec2bf7376d90a8b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 602de751a3d7d38b666d098e952873149b290aba33ec15481822bb50b661629e
[INFO] running `Command { std: "docker" "start" "-a" "602de751a3d7d38b666d098e952873149b290aba33ec15481822bb50b661629e", kill_on_drop: false }`
[INFO] [stderr]    Compiling anvil v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "602de751a3d7d38b666d098e952873149b290aba33ec15481822bb50b661629e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602de751a3d7d38b666d098e952873149b290aba33ec15481822bb50b661629e", kill_on_drop: false }`
[INFO] [stdout] 602de751a3d7d38b666d098e952873149b290aba33ec15481822bb50b661629e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b418f29faa220e09fc9ee53de428c43bb3cca5f50a2a999b1c09a37ec274c4eb
[INFO] running `Command { std: "docker" "start" "-a" "b418f29faa220e09fc9ee53de428c43bb3cca5f50a2a999b1c09a37ec274c4eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anvil v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "b418f29faa220e09fc9ee53de428c43bb3cca5f50a2a999b1c09a37ec274c4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b418f29faa220e09fc9ee53de428c43bb3cca5f50a2a999b1c09a37ec274c4eb", kill_on_drop: false }`
[INFO] [stdout] b418f29faa220e09fc9ee53de428c43bb3cca5f50a2a999b1c09a37ec274c4eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 998ab8504ec22819a437b054fdea05f106dfbfe67d3a36e487a25a26f55a20bb
[INFO] running `Command { std: "docker" "start" "-a" "998ab8504ec22819a437b054fdea05f106dfbfe67d3a36e487a25a26f55a20bb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/anvil-c0a70925f9775b6b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests anvil
[INFO] [stdout] test result: ok. 0 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" "998ab8504ec22819a437b054fdea05f106dfbfe67d3a36e487a25a26f55a20bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998ab8504ec22819a437b054fdea05f106dfbfe67d3a36e487a25a26f55a20bb", kill_on_drop: false }`
[INFO] [stdout] 998ab8504ec22819a437b054fdea05f106dfbfe67d3a36e487a25a26f55a20bb