[INFO] fetching crate synthez 0.1.3...
[INFO] testing synthez-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate synthez 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate synthez 0.1.3 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 synthez 0.1.3
[INFO] finished tweaking crates.io crate synthez 0.1.3
[INFO] tweaked toml for crates.io crate synthez 0.1.3 written to /workspace/builds/worker-7/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synthez-codegen v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 748bc3d26b170520a3a60d9176169100cc684f876cf95e12eba5a2dac29d7767
[INFO] running `Command { std: "docker" "start" "-a" "748bc3d26b170520a3a60d9176169100cc684f876cf95e12eba5a2dac29d7767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "748bc3d26b170520a3a60d9176169100cc684f876cf95e12eba5a2dac29d7767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748bc3d26b170520a3a60d9176169100cc684f876cf95e12eba5a2dac29d7767", kill_on_drop: false }`
[INFO] [stdout] 748bc3d26b170520a3a60d9176169100cc684f876cf95e12eba5a2dac29d7767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4de26179418e400b0088b2d83e1ccac3bef99fad3c93f1496923e94b28c50bcb
[INFO] running `Command { std: "docker" "start" "-a" "4de26179418e400b0088b2d83e1ccac3bef99fad3c93f1496923e94b28c50bcb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling sealed v0.3.0
[INFO] [stderr]    Compiling synthez-core v0.1.3
[INFO] [stderr]    Compiling synthez-codegen v0.1.3
[INFO] [stderr]    Compiling synthez v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "4de26179418e400b0088b2d83e1ccac3bef99fad3c93f1496923e94b28c50bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de26179418e400b0088b2d83e1ccac3bef99fad3c93f1496923e94b28c50bcb", kill_on_drop: false }`
[INFO] [stdout] 4de26179418e400b0088b2d83e1ccac3bef99fad3c93f1496923e94b28c50bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 153d0e553fe7ace3eb0200506ecd32c393700350ca0393ca317490967ff33af9
[INFO] running `Command { std: "docker" "start" "-a" "153d0e553fe7ace3eb0200506ecd32c393700350ca0393ca317490967ff33af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling synthez v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "153d0e553fe7ace3eb0200506ecd32c393700350ca0393ca317490967ff33af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153d0e553fe7ace3eb0200506ecd32c393700350ca0393ca317490967ff33af9", kill_on_drop: false }`
[INFO] [stdout] 153d0e553fe7ace3eb0200506ecd32c393700350ca0393ca317490967ff33af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] eb8a872b2bf10c712ffdc0c390976cefd1fa0da721bedf34106045ce7350de6b
[INFO] running `Command { std: "docker" "start" "-a" "eb8a872b2bf10c712ffdc0c390976cefd1fa0da721bedf34106045ce7350de6b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synthez-fced38c44cc2657e)
[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 synthez
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb8a872b2bf10c712ffdc0c390976cefd1fa0da721bedf34106045ce7350de6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8a872b2bf10c712ffdc0c390976cefd1fa0da721bedf34106045ce7350de6b", kill_on_drop: false }`
[INFO] [stdout] eb8a872b2bf10c712ffdc0c390976cefd1fa0da721bedf34106045ce7350de6b