[INFO] fetching crate symphony 0.1.0...
[INFO] testing symphony-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate symphony 0.1.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate symphony 0.1.0 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 symphony 0.1.0
[INFO] finished tweaking crates.io crate symphony 0.1.0
[INFO] tweaked toml for crates.io crate symphony 0.1.0 written to /workspace/builds/worker-39/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] da12cfeacd8858823ba07b5dbf995740c7e4f4edd3c4f7025a3b2dd0590e9258
[INFO] running `Command { std: "docker" "start" "-a" "da12cfeacd8858823ba07b5dbf995740c7e4f4edd3c4f7025a3b2dd0590e9258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da12cfeacd8858823ba07b5dbf995740c7e4f4edd3c4f7025a3b2dd0590e9258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da12cfeacd8858823ba07b5dbf995740c7e4f4edd3c4f7025a3b2dd0590e9258", kill_on_drop: false }`
[INFO] [stdout] da12cfeacd8858823ba07b5dbf995740c7e4f4edd3c4f7025a3b2dd0590e9258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] e35c3b4f6c87aaceb2395a94356ccf37547160315a4aa5d683ab5ea4fc1629a2
[INFO] running `Command { std: "docker" "start" "-a" "e35c3b4f6c87aaceb2395a94356ccf37547160315a4aa5d683ab5ea4fc1629a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling symphony v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e35c3b4f6c87aaceb2395a94356ccf37547160315a4aa5d683ab5ea4fc1629a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35c3b4f6c87aaceb2395a94356ccf37547160315a4aa5d683ab5ea4fc1629a2", kill_on_drop: false }`
[INFO] [stdout] e35c3b4f6c87aaceb2395a94356ccf37547160315a4aa5d683ab5ea4fc1629a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] a289618c40d4e20dc00ea6848ef0ca194b44778cbd3f36d955021c8c4237e48d
[INFO] running `Command { std: "docker" "start" "-a" "a289618c40d4e20dc00ea6848ef0ca194b44778cbd3f36d955021c8c4237e48d", kill_on_drop: false }`
[INFO] [stderr]    Compiling symphony v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "a289618c40d4e20dc00ea6848ef0ca194b44778cbd3f36d955021c8c4237e48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a289618c40d4e20dc00ea6848ef0ca194b44778cbd3f36d955021c8c4237e48d", kill_on_drop: false }`
[INFO] [stdout] a289618c40d4e20dc00ea6848ef0ca194b44778cbd3f36d955021c8c4237e48d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] ffc1ca67190a0645780a18da193607be7647bfcaa3372efd4a1ba58bd19593ba
[INFO] running `Command { std: "docker" "start" "-a" "ffc1ca67190a0645780a18da193607be7647bfcaa3372efd4a1ba58bd19593ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symphony-4ca32e5f8e4d0466)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symphony
[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" "ffc1ca67190a0645780a18da193607be7647bfcaa3372efd4a1ba58bd19593ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc1ca67190a0645780a18da193607be7647bfcaa3372efd4a1ba58bd19593ba", kill_on_drop: false }`
[INFO] [stdout] ffc1ca67190a0645780a18da193607be7647bfcaa3372efd4a1ba58bd19593ba