[INFO] fetching crate jwa 0.0.0...
[INFO] testing jwa-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jwa 0.0.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate jwa 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 jwa 0.0.0
[INFO] finished tweaking crates.io crate jwa 0.0.0
[INFO] tweaked toml for crates.io crate jwa 0.0.0 written to /workspace/builds/worker-99/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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] f20651164dc95e79f96a5c690d70852d7a603d179d61c75f05e58604f03b6bfd
[INFO] running `Command { std: "docker" "start" "-a" "f20651164dc95e79f96a5c690d70852d7a603d179d61c75f05e58604f03b6bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20651164dc95e79f96a5c690d70852d7a603d179d61c75f05e58604f03b6bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20651164dc95e79f96a5c690d70852d7a603d179d61c75f05e58604f03b6bfd", kill_on_drop: false }`
[INFO] [stdout] f20651164dc95e79f96a5c690d70852d7a603d179d61c75f05e58604f03b6bfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] b7c9e7f3342cdbbc07969a572e8977e827df1223bfbdf7dfac64cf939bdc00a4
[INFO] running `Command { std: "docker" "start" "-a" "b7c9e7f3342cdbbc07969a572e8977e827df1223bfbdf7dfac64cf939bdc00a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling jwa v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "b7c9e7f3342cdbbc07969a572e8977e827df1223bfbdf7dfac64cf939bdc00a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c9e7f3342cdbbc07969a572e8977e827df1223bfbdf7dfac64cf939bdc00a4", kill_on_drop: false }`
[INFO] [stdout] b7c9e7f3342cdbbc07969a572e8977e827df1223bfbdf7dfac64cf939bdc00a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 69f5673c38d8b7ec40e2e223bd26f088d1a795d6db895df1701221b55e5bca03
[INFO] running `Command { std: "docker" "start" "-a" "69f5673c38d8b7ec40e2e223bd26f088d1a795d6db895df1701221b55e5bca03", kill_on_drop: false }`
[INFO] [stderr]    Compiling jwa v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "69f5673c38d8b7ec40e2e223bd26f088d1a795d6db895df1701221b55e5bca03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f5673c38d8b7ec40e2e223bd26f088d1a795d6db895df1701221b55e5bca03", kill_on_drop: false }`
[INFO] [stdout] 69f5673c38d8b7ec40e2e223bd26f088d1a795d6db895df1701221b55e5bca03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 1375f58beb8b621f33367c87e7e7c92dc696ffd3ced5943e1cca09dba49c37bf
[INFO] running `Command { std: "docker" "start" "-a" "1375f58beb8b621f33367c87e7e7c92dc696ffd3ced5943e1cca09dba49c37bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jwa-69535441d621b0bd)
[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] [stderr]    Doc-tests jwa
[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" "1375f58beb8b621f33367c87e7e7c92dc696ffd3ced5943e1cca09dba49c37bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1375f58beb8b621f33367c87e7e7c92dc696ffd3ced5943e1cca09dba49c37bf", kill_on_drop: false }`
[INFO] [stdout] 1375f58beb8b621f33367c87e7e7c92dc696ffd3ced5943e1cca09dba49c37bf