[INFO] cloning repository https://github.com/nyamadan/rust_dining_philosophers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyamadan/rust_dining_philosophers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamadan%2Frust_dining_philosophers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamadan%2Frust_dining_philosophers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20e4ec22d6b9cf660e22085463d90f1e8b096464
[INFO] testing nyamadan/rust_dining_philosophers against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamadan%2Frust_dining_philosophers" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyamadan/rust_dining_philosophers 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 git repo https://github.com/nyamadan/rust_dining_philosophers
[INFO] finished tweaking git repo https://github.com/nyamadan/rust_dining_philosophers
[INFO] tweaked toml for git repo https://github.com/nyamadan/rust_dining_philosophers written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/nyamadan/rust_dining_philosophers already has a lockfile, it will not be regenerated
[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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] e84c3f6233b113a0ce6206e52eeec0fa34aaa13d0cf5e4615f8716e523b0b849
[INFO] running `Command { std: "docker" "start" "-a" "e84c3f6233b113a0ce6206e52eeec0fa34aaa13d0cf5e4615f8716e523b0b849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e84c3f6233b113a0ce6206e52eeec0fa34aaa13d0cf5e4615f8716e523b0b849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84c3f6233b113a0ce6206e52eeec0fa34aaa13d0cf5e4615f8716e523b0b849", kill_on_drop: false }`
[INFO] [stdout] e84c3f6233b113a0ce6206e52eeec0fa34aaa13d0cf5e4615f8716e523b0b849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 3fbd83039cc05d634fd41be1c370e6c969ffcd4a5d772124f4b4a30a8c753111
[INFO] running `Command { std: "docker" "start" "-a" "3fbd83039cc05d634fd41be1c370e6c969ffcd4a5d772124f4b4a30a8c753111", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_dining_philosophers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "3fbd83039cc05d634fd41be1c370e6c969ffcd4a5d772124f4b4a30a8c753111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbd83039cc05d634fd41be1c370e6c969ffcd4a5d772124f4b4a30a8c753111", kill_on_drop: false }`
[INFO] [stdout] 3fbd83039cc05d634fd41be1c370e6c969ffcd4a5d772124f4b4a30a8c753111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 4178c33ab63dcbbee245a8b1dc510aff52d057fba3a1602add1531a95127a531
[INFO] running `Command { std: "docker" "start" "-a" "4178c33ab63dcbbee245a8b1dc510aff52d057fba3a1602add1531a95127a531", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dining_philosophers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4178c33ab63dcbbee245a8b1dc510aff52d057fba3a1602add1531a95127a531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4178c33ab63dcbbee245a8b1dc510aff52d057fba3a1602add1531a95127a531", kill_on_drop: false }`
[INFO] [stdout] 4178c33ab63dcbbee245a8b1dc510aff52d057fba3a1602add1531a95127a531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 6a6c86ba0dddf5644a5c877192be1b22504a1bae47a4e99d36320da12262cda6
[INFO] running `Command { std: "docker" "start" "-a" "6a6c86ba0dddf5644a5c877192be1b22504a1bae47a4e99d36320da12262cda6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_dining_philosophers-3d95f6817814453a)
[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" "6a6c86ba0dddf5644a5c877192be1b22504a1bae47a4e99d36320da12262cda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6c86ba0dddf5644a5c877192be1b22504a1bae47a4e99d36320da12262cda6", kill_on_drop: false }`
[INFO] [stdout] 6a6c86ba0dddf5644a5c877192be1b22504a1bae47a4e99d36320da12262cda6