[INFO] fetching crate syn_str 0.1.58...
[INFO] testing syn_str-0.1.58 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate syn_str 0.1.58 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate syn_str 0.1.58 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn_str 0.1.58
[INFO] finished tweaking crates.io crate syn_str 0.1.58
[INFO] tweaked toml for crates.io crate syn_str 0.1.58 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97786047e2827ae23ebf64887fa9220c4e9990ad8d6b9221f782f1d515a95928
[INFO] running `Command { std: "docker" "start" "-a" "97786047e2827ae23ebf64887fa9220c4e9990ad8d6b9221f782f1d515a95928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97786047e2827ae23ebf64887fa9220c4e9990ad8d6b9221f782f1d515a95928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97786047e2827ae23ebf64887fa9220c4e9990ad8d6b9221f782f1d515a95928", kill_on_drop: false }`
[INFO] [stdout] 97786047e2827ae23ebf64887fa9220c4e9990ad8d6b9221f782f1d515a95928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 795c22f525f7e973803b242be13c77c0082593b8d882b61284824e07fc19eace
[INFO] running `Command { std: "docker" "start" "-a" "795c22f525f7e973803b242be13c77c0082593b8d882b61284824e07fc19eace", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_len_str v0.2.9
[INFO] [stderr]    Compiling syn_str v0.1.58 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "795c22f525f7e973803b242be13c77c0082593b8d882b61284824e07fc19eace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795c22f525f7e973803b242be13c77c0082593b8d882b61284824e07fc19eace", kill_on_drop: false }`
[INFO] [stdout] 795c22f525f7e973803b242be13c77c0082593b8d882b61284824e07fc19eace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aca050778bb69e9ab7364d80eb62d0cbc8e71ec06f9733f2e2770812137adb7
[INFO] running `Command { std: "docker" "start" "-a" "0aca050778bb69e9ab7364d80eb62d0cbc8e71ec06f9733f2e2770812137adb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling syn_str v0.1.58 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "0aca050778bb69e9ab7364d80eb62d0cbc8e71ec06f9733f2e2770812137adb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aca050778bb69e9ab7364d80eb62d0cbc8e71ec06f9733f2e2770812137adb7", kill_on_drop: false }`
[INFO] [stdout] 0aca050778bb69e9ab7364d80eb62d0cbc8e71ec06f9733f2e2770812137adb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80ab50c54783ef4847e2348677172563f0eebee1c17b801a3c61a4437f263214
[INFO] running `Command { std: "docker" "start" "-a" "80ab50c54783ef4847e2348677172563f0eebee1c17b801a3c61a4437f263214", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syn_str-a70f3daa216dffac)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syn_str
[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" "80ab50c54783ef4847e2348677172563f0eebee1c17b801a3c61a4437f263214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ab50c54783ef4847e2348677172563f0eebee1c17b801a3c61a4437f263214", kill_on_drop: false }`
[INFO] [stdout] 80ab50c54783ef4847e2348677172563f0eebee1c17b801a3c61a4437f263214