[INFO] cloning repository https://github.com/damienstanton/high-perf-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/damienstanton/high-perf-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamienstanton%2Fhigh-perf-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamienstanton%2Fhigh-perf-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bf06e071f369c7bf82ec490db6907eec8fc297c
[INFO] testing damienstanton/high-perf-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamienstanton%2Fhigh-perf-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/damienstanton/high-perf-rust 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/damienstanton/high-perf-rust
[INFO] finished tweaking git repo https://github.com/damienstanton/high-perf-rust
[INFO] tweaked toml for git repo https://github.com/damienstanton/high-perf-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/damienstanton/high-perf-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d888631a3eb776e3a7bdac3cf0295be747bf21e8fc1f727f8980db3ad6e3f0c0
[INFO] running `Command { std: "docker" "start" "-a" "d888631a3eb776e3a7bdac3cf0295be747bf21e8fc1f727f8980db3ad6e3f0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d888631a3eb776e3a7bdac3cf0295be747bf21e8fc1f727f8980db3ad6e3f0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d888631a3eb776e3a7bdac3cf0295be747bf21e8fc1f727f8980db3ad6e3f0c0", kill_on_drop: false }`
[INFO] [stdout] d888631a3eb776e3a7bdac3cf0295be747bf21e8fc1f727f8980db3ad6e3f0c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4251a4fa7488ff24cffa772fb0e7737357e40f5589ac404e141c532ee4444b57
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4251a4fa7488ff24cffa772fb0e7737357e40f5589ac404e141c532ee4444b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling high-perf-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "4251a4fa7488ff24cffa772fb0e7737357e40f5589ac404e141c532ee4444b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4251a4fa7488ff24cffa772fb0e7737357e40f5589ac404e141c532ee4444b57", kill_on_drop: false }`
[INFO] [stdout] 4251a4fa7488ff24cffa772fb0e7737357e40f5589ac404e141c532ee4444b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2d6691306c060be8ca49acc108286aeef53d1cb6b30078d363c7e5dcd1b2a93f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d6691306c060be8ca49acc108286aeef53d1cb6b30078d363c7e5dcd1b2a93f", kill_on_drop: false }`
[INFO] [stderr]    Compiling high-perf-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "2d6691306c060be8ca49acc108286aeef53d1cb6b30078d363c7e5dcd1b2a93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6691306c060be8ca49acc108286aeef53d1cb6b30078d363c7e5dcd1b2a93f", kill_on_drop: false }`
[INFO] [stdout] 2d6691306c060be8ca49acc108286aeef53d1cb6b30078d363c7e5dcd1b2a93f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e47a517b9caeb40f1111f0120c770387f2a04af05f3784b8f784f965220d8eaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e47a517b9caeb40f1111f0120c770387f2a04af05f3784b8f784f965220d8eaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/high_perf_rust-a5189c088f984909)
[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" "e47a517b9caeb40f1111f0120c770387f2a04af05f3784b8f784f965220d8eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47a517b9caeb40f1111f0120c770387f2a04af05f3784b8f784f965220d8eaf", kill_on_drop: false }`
[INFO] [stdout] e47a517b9caeb40f1111f0120c770387f2a04af05f3784b8f784f965220d8eaf