[INFO] fetching crate neutron 0.0.0...
[INFO] testing neutron-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate neutron 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate neutron 0.0.0 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 neutron 0.0.0
[INFO] finished tweaking crates.io crate neutron 0.0.0
[INFO] tweaked toml for crates.io crate neutron 0.0.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5155ae10706efbcfd966567a2a7969f628572b17b1c8a39fc78b1a5a5a9e90c5
[INFO] running `Command { std: "docker" "start" "-a" "5155ae10706efbcfd966567a2a7969f628572b17b1c8a39fc78b1a5a5a9e90c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5155ae10706efbcfd966567a2a7969f628572b17b1c8a39fc78b1a5a5a9e90c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5155ae10706efbcfd966567a2a7969f628572b17b1c8a39fc78b1a5a5a9e90c5", kill_on_drop: false }`
[INFO] [stdout] 5155ae10706efbcfd966567a2a7969f628572b17b1c8a39fc78b1a5a5a9e90c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cac66d255c237734a20ee51f6ce8cdb8e41c8af2c2b8655a01d1a021657b27bb
[INFO] running `Command { std: "docker" "start" "-a" "cac66d255c237734a20ee51f6ce8cdb8e41c8af2c2b8655a01d1a021657b27bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling neutron v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "cac66d255c237734a20ee51f6ce8cdb8e41c8af2c2b8655a01d1a021657b27bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac66d255c237734a20ee51f6ce8cdb8e41c8af2c2b8655a01d1a021657b27bb", kill_on_drop: false }`
[INFO] [stdout] cac66d255c237734a20ee51f6ce8cdb8e41c8af2c2b8655a01d1a021657b27bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 281cd037025b3f0f0a576cddd4f85fccfbf8da0bd5ff16d555e81e1831febe86
[INFO] running `Command { std: "docker" "start" "-a" "281cd037025b3f0f0a576cddd4f85fccfbf8da0bd5ff16d555e81e1831febe86", kill_on_drop: false }`
[INFO] [stderr]    Compiling neutron v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/neutron-bfe8709ac34db046)
[INFO] running `Command { std: "docker" "inspect" "281cd037025b3f0f0a576cddd4f85fccfbf8da0bd5ff16d555e81e1831febe86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281cd037025b3f0f0a576cddd4f85fccfbf8da0bd5ff16d555e81e1831febe86", kill_on_drop: false }`
[INFO] [stdout] 281cd037025b3f0f0a576cddd4f85fccfbf8da0bd5ff16d555e81e1831febe86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8ca6a1064e8acdd3c2d61e7ee55e24411a1fcd4378589ef0a7fd5a247b34f9ea
[INFO] running `Command { std: "docker" "start" "-a" "8ca6a1064e8acdd3c2d61e7ee55e24411a1fcd4378589ef0a7fd5a247b34f9ea", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neutron-bfe8709ac34db046)
[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 neutron
[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" "8ca6a1064e8acdd3c2d61e7ee55e24411a1fcd4378589ef0a7fd5a247b34f9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca6a1064e8acdd3c2d61e7ee55e24411a1fcd4378589ef0a7fd5a247b34f9ea", kill_on_drop: false }`
[INFO] [stdout] 8ca6a1064e8acdd3c2d61e7ee55e24411a1fcd4378589ef0a7fd5a247b34f9ea