[INFO] fetching crate neuron 0.0.1...
[INFO] testing neuron-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate neuron 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate neuron 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neuron 0.0.1
[INFO] finished tweaking crates.io crate neuron 0.0.1
[INFO] tweaked toml for crates.io crate neuron 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a84d2b2156aa1777baf4e317720466e3e09488bfbc3c72d0c9facdc2e48c03a
[INFO] running `Command { std: "docker" "start" "-a" "7a84d2b2156aa1777baf4e317720466e3e09488bfbc3c72d0c9facdc2e48c03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a84d2b2156aa1777baf4e317720466e3e09488bfbc3c72d0c9facdc2e48c03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a84d2b2156aa1777baf4e317720466e3e09488bfbc3c72d0c9facdc2e48c03a", kill_on_drop: false }`
[INFO] [stdout] 7a84d2b2156aa1777baf4e317720466e3e09488bfbc3c72d0c9facdc2e48c03a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7a0dd62ddd4262a2dd23fd5f9dc0419b4a17ac8ec479a68845b7cdcfb43d239
[INFO] running `Command { std: "docker" "start" "-a" "e7a0dd62ddd4262a2dd23fd5f9dc0419b4a17ac8ec479a68845b7cdcfb43d239", kill_on_drop: false }`
[INFO] [stderr]    Compiling neuron v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "e7a0dd62ddd4262a2dd23fd5f9dc0419b4a17ac8ec479a68845b7cdcfb43d239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a0dd62ddd4262a2dd23fd5f9dc0419b4a17ac8ec479a68845b7cdcfb43d239", kill_on_drop: false }`
[INFO] [stdout] e7a0dd62ddd4262a2dd23fd5f9dc0419b4a17ac8ec479a68845b7cdcfb43d239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcf3869e1575d8ed735d11a4a3973d95dcde2a3bd25e94fcdb41b16edbaa5cd
[INFO] running `Command { std: "docker" "start" "-a" "9bcf3869e1575d8ed735d11a4a3973d95dcde2a3bd25e94fcdb41b16edbaa5cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling neuron v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/neuron-1c0cc66c90d32785)
[INFO] running `Command { std: "docker" "inspect" "9bcf3869e1575d8ed735d11a4a3973d95dcde2a3bd25e94fcdb41b16edbaa5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcf3869e1575d8ed735d11a4a3973d95dcde2a3bd25e94fcdb41b16edbaa5cd", kill_on_drop: false }`
[INFO] [stdout] 9bcf3869e1575d8ed735d11a4a3973d95dcde2a3bd25e94fcdb41b16edbaa5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f7c9d0d9b47dc5e7937fe159238bdca734ebe2190722555e983ff0e294ab0cf
[INFO] running `Command { std: "docker" "start" "-a" "6f7c9d0d9b47dc5e7937fe159238bdca734ebe2190722555e983ff0e294ab0cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neuron-1c0cc66c90d32785)
[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 neuron
[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" "6f7c9d0d9b47dc5e7937fe159238bdca734ebe2190722555e983ff0e294ab0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7c9d0d9b47dc5e7937fe159238bdca734ebe2190722555e983ff0e294ab0cf", kill_on_drop: false }`
[INFO] [stdout] 6f7c9d0d9b47dc5e7937fe159238bdca734ebe2190722555e983ff0e294ab0cf