[INFO] cloning repository https://github.com/la10736/rust_thread_concurrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/la10736/rust_thread_concurrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fla10736%2Frust_thread_concurrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fla10736%2Frust_thread_concurrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bb04848860cdedb1994388eca2038d1b80f0abd
[INFO] testing la10736/rust_thread_concurrent against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fla10736%2Frust_thread_concurrent" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/la10736/rust_thread_concurrent on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/la10736/rust_thread_concurrent
[INFO] finished tweaking git repo https://github.com/la10736/rust_thread_concurrent
[INFO] tweaked toml for git repo https://github.com/la10736/rust_thread_concurrent written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/la10736/rust_thread_concurrent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3913c5fd38f9b5aacbc022307aa7c97495d74a9676c9ebae7383265b013674df
[INFO] running `Command { std: "docker" "start" "-a" "3913c5fd38f9b5aacbc022307aa7c97495d74a9676c9ebae7383265b013674df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3913c5fd38f9b5aacbc022307aa7c97495d74a9676c9ebae7383265b013674df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3913c5fd38f9b5aacbc022307aa7c97495d74a9676c9ebae7383265b013674df", kill_on_drop: false }`
[INFO] [stdout] 3913c5fd38f9b5aacbc022307aa7c97495d74a9676c9ebae7383265b013674df
[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=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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 653e053c9ff838882a3e6ca3bd74360c1e5a5bae4c69d87c249019485c039942
[INFO] running `Command { std: "docker" "start" "-a" "653e053c9ff838882a3e6ca3bd74360c1e5a5bae4c69d87c249019485c039942", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "653e053c9ff838882a3e6ca3bd74360c1e5a5bae4c69d87c249019485c039942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653e053c9ff838882a3e6ca3bd74360c1e5a5bae4c69d87c249019485c039942", kill_on_drop: false }`
[INFO] [stdout] 653e053c9ff838882a3e6ca3bd74360c1e5a5bae4c69d87c249019485c039942
[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=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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c2474e4431c8a0a04dbc5ebd5a24696508aa7cd7498919300fda6d5bf2845ca
[INFO] running `Command { std: "docker" "start" "-a" "1c2474e4431c8a0a04dbc5ebd5a24696508aa7cd7498919300fda6d5bf2845ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "1c2474e4431c8a0a04dbc5ebd5a24696508aa7cd7498919300fda6d5bf2845ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2474e4431c8a0a04dbc5ebd5a24696508aa7cd7498919300fda6d5bf2845ca", kill_on_drop: false }`
[INFO] [stdout] 1c2474e4431c8a0a04dbc5ebd5a24696508aa7cd7498919300fda6d5bf2845ca
[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=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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a758ef708c41d9eae0b831b7fe1125cc4de6925b6a5a3abbdd44286c19f3bbb7
[INFO] running `Command { std: "docker" "start" "-a" "a758ef708c41d9eae0b831b7fe1125cc4de6925b6a5a3abbdd44286c19f3bbb7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concurrent2-7e51dcd85fa6df69)
[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" "a758ef708c41d9eae0b831b7fe1125cc4de6925b6a5a3abbdd44286c19f3bbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a758ef708c41d9eae0b831b7fe1125cc4de6925b6a5a3abbdd44286c19f3bbb7", kill_on_drop: false }`
[INFO] [stdout] a758ef708c41d9eae0b831b7fe1125cc4de6925b6a5a3abbdd44286c19f3bbb7