[INFO] fetching crate ers 0.0.0...
[INFO] testing ers-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ers 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ers 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 ers 0.0.0
[INFO] finished tweaking crates.io crate ers 0.0.0
[INFO] tweaked toml for crates.io crate ers 0.0.0 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 55f052d45d7fbb110e03abab9ebda66b07cc10ba052db3511b590b2e584311fe
[INFO] running `Command { std: "docker" "start" "-a" "55f052d45d7fbb110e03abab9ebda66b07cc10ba052db3511b590b2e584311fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55f052d45d7fbb110e03abab9ebda66b07cc10ba052db3511b590b2e584311fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f052d45d7fbb110e03abab9ebda66b07cc10ba052db3511b590b2e584311fe", kill_on_drop: false }`
[INFO] [stdout] 55f052d45d7fbb110e03abab9ebda66b07cc10ba052db3511b590b2e584311fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f4a579bca727789e8c721789f870e822cd26d1fbe8cf2a35adef939dcb0bfd09
[INFO] running `Command { std: "docker" "start" "-a" "f4a579bca727789e8c721789f870e822cd26d1fbe8cf2a35adef939dcb0bfd09", kill_on_drop: false }`
[INFO] [stderr]    Compiling ers v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "f4a579bca727789e8c721789f870e822cd26d1fbe8cf2a35adef939dcb0bfd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a579bca727789e8c721789f870e822cd26d1fbe8cf2a35adef939dcb0bfd09", kill_on_drop: false }`
[INFO] [stdout] f4a579bca727789e8c721789f870e822cd26d1fbe8cf2a35adef939dcb0bfd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 02494e11559945cb1f1bdeab2fb160171e1f1a0d30c3653b9f711606b121ac17
[INFO] running `Command { std: "docker" "start" "-a" "02494e11559945cb1f1bdeab2fb160171e1f1a0d30c3653b9f711606b121ac17", kill_on_drop: false }`
[INFO] [stderr]    Compiling ers v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "02494e11559945cb1f1bdeab2fb160171e1f1a0d30c3653b9f711606b121ac17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02494e11559945cb1f1bdeab2fb160171e1f1a0d30c3653b9f711606b121ac17", kill_on_drop: false }`
[INFO] [stdout] 02494e11559945cb1f1bdeab2fb160171e1f1a0d30c3653b9f711606b121ac17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 132c6ff6bf1f07147f9c6c5301d5a0e348a6db9a7a07106c4231fdf68234525d
[INFO] running `Command { std: "docker" "start" "-a" "132c6ff6bf1f07147f9c6c5301d5a0e348a6db9a7a07106c4231fdf68234525d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ers-433b76521cedb543)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ers
[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" "132c6ff6bf1f07147f9c6c5301d5a0e348a6db9a7a07106c4231fdf68234525d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132c6ff6bf1f07147f9c6c5301d5a0e348a6db9a7a07106c4231fdf68234525d", kill_on_drop: false }`
[INFO] [stdout] 132c6ff6bf1f07147f9c6c5301d5a0e348a6db9a7a07106c4231fdf68234525d