[INFO] fetching crate ethanol-derive 0.1.0...
[INFO] testing ethanol-derive-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ethanol-derive 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ethanol-derive 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 ethanol-derive 0.1.0
[INFO] finished tweaking crates.io crate ethanol-derive 0.1.0
[INFO] tweaked toml for crates.io crate ethanol-derive 0.1.0 written to /workspace/builds/worker-2/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]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.13.0
[INFO] [stderr]   Downloaded darling_core v0.13.0
[INFO] [stderr]   Downloaded darling_macro v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5e1158cf5df5be2024713ab1e1b1a7bfc352f1a9124f4a44d21e1bc71f4350b8
[INFO] running `Command { std: "docker" "start" "-a" "5e1158cf5df5be2024713ab1e1b1a7bfc352f1a9124f4a44d21e1bc71f4350b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e1158cf5df5be2024713ab1e1b1a7bfc352f1a9124f4a44d21e1bc71f4350b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e1158cf5df5be2024713ab1e1b1a7bfc352f1a9124f4a44d21e1bc71f4350b8", kill_on_drop: false }`
[INFO] [stdout] 5e1158cf5df5be2024713ab1e1b1a7bfc352f1a9124f4a44d21e1bc71f4350b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 235cc47184152f6215d15a2930a7a14cb100194f046d06d0ff643fa1259debd0
[INFO] running `Command { std: "docker" "start" "-a" "235cc47184152f6215d15a2930a7a14cb100194f046d06d0ff643fa1259debd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling ethanol-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.72s
[INFO] running `Command { std: "docker" "inspect" "235cc47184152f6215d15a2930a7a14cb100194f046d06d0ff643fa1259debd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235cc47184152f6215d15a2930a7a14cb100194f046d06d0ff643fa1259debd0", kill_on_drop: false }`
[INFO] [stdout] 235cc47184152f6215d15a2930a7a14cb100194f046d06d0ff643fa1259debd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c5c3dc71757ad1fc73cbe68c8e62df59b04040d6403b64deda3cd566962a89a3
[INFO] running `Command { std: "docker" "start" "-a" "c5c3dc71757ad1fc73cbe68c8e62df59b04040d6403b64deda3cd566962a89a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ethanol-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "c5c3dc71757ad1fc73cbe68c8e62df59b04040d6403b64deda3cd566962a89a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c3dc71757ad1fc73cbe68c8e62df59b04040d6403b64deda3cd566962a89a3", kill_on_drop: false }`
[INFO] [stdout] c5c3dc71757ad1fc73cbe68c8e62df59b04040d6403b64deda3cd566962a89a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f4dda42508bdef8be06dfe4ccf58ea68c8af864261074188e00c32880e083162
[INFO] running `Command { std: "docker" "start" "-a" "f4dda42508bdef8be06dfe4ccf58ea68c8af864261074188e00c32880e083162", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ethanol_derive-db4137df59d9f5b0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ethanol-derive
[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] [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" "f4dda42508bdef8be06dfe4ccf58ea68c8af864261074188e00c32880e083162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4dda42508bdef8be06dfe4ccf58ea68c8af864261074188e00c32880e083162", kill_on_drop: false }`
[INFO] [stdout] f4dda42508bdef8be06dfe4ccf58ea68c8af864261074188e00c32880e083162