[INFO] fetching crate go 0.0.1...
[INFO] testing go-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate go 0.0.1 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate go 0.0.1 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 go 0.0.1
[INFO] finished tweaking crates.io crate go 0.0.1
[INFO] tweaked toml for crates.io crate go 0.0.1 written to /workspace/builds/worker-103/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] a1a6fa4a3d059cfba54f186407b3e93c36e03eec486d1b5fbce96edc71fcd88f
[INFO] running `Command { std: "docker" "start" "-a" "a1a6fa4a3d059cfba54f186407b3e93c36e03eec486d1b5fbce96edc71fcd88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1a6fa4a3d059cfba54f186407b3e93c36e03eec486d1b5fbce96edc71fcd88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a6fa4a3d059cfba54f186407b3e93c36e03eec486d1b5fbce96edc71fcd88f", kill_on_drop: false }`
[INFO] [stdout] a1a6fa4a3d059cfba54f186407b3e93c36e03eec486d1b5fbce96edc71fcd88f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 5c5d76654dfd786cf1cef7c1912c1ac731504b7515ee76e3c0e40c8f4af92642
[INFO] running `Command { std: "docker" "start" "-a" "5c5d76654dfd786cf1cef7c1912c1ac731504b7515ee76e3c0e40c8f4af92642", kill_on_drop: false }`
[INFO] [stderr]    Compiling go v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "5c5d76654dfd786cf1cef7c1912c1ac731504b7515ee76e3c0e40c8f4af92642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5d76654dfd786cf1cef7c1912c1ac731504b7515ee76e3c0e40c8f4af92642", kill_on_drop: false }`
[INFO] [stdout] 5c5d76654dfd786cf1cef7c1912c1ac731504b7515ee76e3c0e40c8f4af92642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 4f54bd5b5b90a1ce8e81fc715e22e13cb75a8b9fd4a7890395c48101f03f5a4c
[INFO] running `Command { std: "docker" "start" "-a" "4f54bd5b5b90a1ce8e81fc715e22e13cb75a8b9fd4a7890395c48101f03f5a4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling go v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4f54bd5b5b90a1ce8e81fc715e22e13cb75a8b9fd4a7890395c48101f03f5a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f54bd5b5b90a1ce8e81fc715e22e13cb75a8b9fd4a7890395c48101f03f5a4c", kill_on_drop: false }`
[INFO] [stdout] 4f54bd5b5b90a1ce8e81fc715e22e13cb75a8b9fd4a7890395c48101f03f5a4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] ef080b3e6a87332b436a4b73b89602374a46096e30cec96be58bce087f40f70d
[INFO] running `Command { std: "docker" "start" "-a" "ef080b3e6a87332b436a4b73b89602374a46096e30cec96be58bce087f40f70d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/go-ff8282b1d483f005)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests go
[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" "ef080b3e6a87332b436a4b73b89602374a46096e30cec96be58bce087f40f70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef080b3e6a87332b436a4b73b89602374a46096e30cec96be58bce087f40f70d", kill_on_drop: false }`
[INFO] [stdout] ef080b3e6a87332b436a4b73b89602374a46096e30cec96be58bce087f40f70d