[INFO] fetching crate persei 0.0.1...
[INFO] testing persei-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate persei 0.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate persei 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persei 0.0.1
[INFO] finished tweaking crates.io crate persei 0.0.1
[INFO] tweaked toml for crates.io crate persei 0.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "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] 28d84f08d5d1a4e3bf86f12e42832b21bd80eaeb613e75dc5c59bbbb6bddd657
[INFO] running `Command { std: "docker" "start" "-a" "28d84f08d5d1a4e3bf86f12e42832b21bd80eaeb613e75dc5c59bbbb6bddd657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d84f08d5d1a4e3bf86f12e42832b21bd80eaeb613e75dc5c59bbbb6bddd657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d84f08d5d1a4e3bf86f12e42832b21bd80eaeb613e75dc5c59bbbb6bddd657", kill_on_drop: false }`
[INFO] [stdout] 28d84f08d5d1a4e3bf86f12e42832b21bd80eaeb613e75dc5c59bbbb6bddd657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] 004683c296cb7c0b6a72c13712c1f56b02adf5db743b1a1921997efe1a4a98c0
[INFO] running `Command { std: "docker" "start" "-a" "004683c296cb7c0b6a72c13712c1f56b02adf5db743b1a1921997efe1a4a98c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling persei v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "004683c296cb7c0b6a72c13712c1f56b02adf5db743b1a1921997efe1a4a98c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004683c296cb7c0b6a72c13712c1f56b02adf5db743b1a1921997efe1a4a98c0", kill_on_drop: false }`
[INFO] [stdout] 004683c296cb7c0b6a72c13712c1f56b02adf5db743b1a1921997efe1a4a98c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", 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] f501b3868260fa337e50c90c940c2f0ba392d37e5b18547f277ae8e8e0d257fd
[INFO] running `Command { std: "docker" "start" "-a" "f501b3868260fa337e50c90c940c2f0ba392d37e5b18547f277ae8e8e0d257fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling persei v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "f501b3868260fa337e50c90c940c2f0ba392d37e5b18547f277ae8e8e0d257fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f501b3868260fa337e50c90c940c2f0ba392d37e5b18547f277ae8e8e0d257fd", kill_on_drop: false }`
[INFO] [stdout] f501b3868260fa337e50c90c940c2f0ba392d37e5b18547f277ae8e8e0d257fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1587efe8e8eac8c1adf9a6e97b3d1034277d83fdc288045797cd359cd70c6be1
[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" "1587efe8e8eac8c1adf9a6e97b3d1034277d83fdc288045797cd359cd70c6be1", kill_on_drop: false }`
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/persei-9d8bbed1666c6725)
[INFO] running `Command { std: "docker" "inspect" "1587efe8e8eac8c1adf9a6e97b3d1034277d83fdc288045797cd359cd70c6be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1587efe8e8eac8c1adf9a6e97b3d1034277d83fdc288045797cd359cd70c6be1", kill_on_drop: false }`
[INFO] [stdout] 1587efe8e8eac8c1adf9a6e97b3d1034277d83fdc288045797cd359cd70c6be1