[INFO] fetching crate kara 0.0.0...
[INFO] testing kara-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kara 0.0.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate kara 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 kara 0.0.0
[INFO] finished tweaking crates.io crate kara 0.0.0
[INFO] tweaked toml for crates.io crate kara 0.0.0 written to /workspace/builds/worker-73/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] c012f307ba7c5643a104540d90bbb101511d0a6cb3d92c10dfbaabdeea6ae425
[INFO] running `Command { std: "docker" "start" "-a" "c012f307ba7c5643a104540d90bbb101511d0a6cb3d92c10dfbaabdeea6ae425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c012f307ba7c5643a104540d90bbb101511d0a6cb3d92c10dfbaabdeea6ae425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c012f307ba7c5643a104540d90bbb101511d0a6cb3d92c10dfbaabdeea6ae425", kill_on_drop: false }`
[INFO] [stdout] c012f307ba7c5643a104540d90bbb101511d0a6cb3d92c10dfbaabdeea6ae425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] bbdf0aea448b36cf1d817ed202554ff0c5eb149fa046926617c97a2d57560bc6
[INFO] running `Command { std: "docker" "start" "-a" "bbdf0aea448b36cf1d817ed202554ff0c5eb149fa046926617c97a2d57560bc6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kara v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "bbdf0aea448b36cf1d817ed202554ff0c5eb149fa046926617c97a2d57560bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdf0aea448b36cf1d817ed202554ff0c5eb149fa046926617c97a2d57560bc6", kill_on_drop: false }`
[INFO] [stdout] bbdf0aea448b36cf1d817ed202554ff0c5eb149fa046926617c97a2d57560bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] 4a3bb984aed6da845ea8f78feeb0e6cb86f7d64661c9b269fc000c6b98b7ef58
[INFO] running `Command { std: "docker" "start" "-a" "4a3bb984aed6da845ea8f78feeb0e6cb86f7d64661c9b269fc000c6b98b7ef58", kill_on_drop: false }`
[INFO] [stderr]    Compiling kara v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4a3bb984aed6da845ea8f78feeb0e6cb86f7d64661c9b269fc000c6b98b7ef58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3bb984aed6da845ea8f78feeb0e6cb86f7d64661c9b269fc000c6b98b7ef58", kill_on_drop: false }`
[INFO] [stdout] 4a3bb984aed6da845ea8f78feeb0e6cb86f7d64661c9b269fc000c6b98b7ef58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] 457dd16183e602c99f856658f263c9c7bfaee6c026b706e4257af1a73c2f9923
[INFO] running `Command { std: "docker" "start" "-a" "457dd16183e602c99f856658f263c9c7bfaee6c026b706e4257af1a73c2f9923", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kara-e4b26cb5497be18a)
[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" "457dd16183e602c99f856658f263c9c7bfaee6c026b706e4257af1a73c2f9923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457dd16183e602c99f856658f263c9c7bfaee6c026b706e4257af1a73c2f9923", kill_on_drop: false }`
[INFO] [stdout] 457dd16183e602c99f856658f263c9c7bfaee6c026b706e4257af1a73c2f9923