[INFO] fetching crate engin 999999999.999999999.999999999...
[INFO] testing engin-999999999.999999999.999999999 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate engin 999999999.999999999.999999999 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate engin 999999999.999999999.999999999 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate engin 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate engin 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate engin 999999999.999999999.999999999 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate engin 999999999.999999999.999999999 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a87ef40144377b5718c2891782d5eec09062d2c1783c42fd43c2d59f1cdec882
[INFO] running `Command { std: "docker" "start" "-a" "a87ef40144377b5718c2891782d5eec09062d2c1783c42fd43c2d59f1cdec882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87ef40144377b5718c2891782d5eec09062d2c1783c42fd43c2d59f1cdec882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87ef40144377b5718c2891782d5eec09062d2c1783c42fd43c2d59f1cdec882", kill_on_drop: false }`
[INFO] [stdout] a87ef40144377b5718c2891782d5eec09062d2c1783c42fd43c2d59f1cdec882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b59739c15c34e2f510700a4770476e575ee0ed1f6ad511206c8aa81d063e27
[INFO] running `Command { std: "docker" "start" "-a" "77b59739c15c34e2f510700a4770476e575ee0ed1f6ad511206c8aa81d063e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling engin v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "77b59739c15c34e2f510700a4770476e575ee0ed1f6ad511206c8aa81d063e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b59739c15c34e2f510700a4770476e575ee0ed1f6ad511206c8aa81d063e27", kill_on_drop: false }`
[INFO] [stdout] 77b59739c15c34e2f510700a4770476e575ee0ed1f6ad511206c8aa81d063e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d3bbaeec8cd123f04bd797501e54a055a61f2543c539e7f633c4dc11adfe867
[INFO] running `Command { std: "docker" "start" "-a" "4d3bbaeec8cd123f04bd797501e54a055a61f2543c539e7f633c4dc11adfe867", kill_on_drop: false }`
[INFO] [stderr]    Compiling engin v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "4d3bbaeec8cd123f04bd797501e54a055a61f2543c539e7f633c4dc11adfe867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3bbaeec8cd123f04bd797501e54a055a61f2543c539e7f633c4dc11adfe867", kill_on_drop: false }`
[INFO] [stdout] 4d3bbaeec8cd123f04bd797501e54a055a61f2543c539e7f633c4dc11adfe867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f1c0e447338482edd492aa554110b98d8cc4898fda6c684f286a2ae44bfbf53
[INFO] running `Command { std: "docker" "start" "-a" "2f1c0e447338482edd492aa554110b98d8cc4898fda6c684f286a2ae44bfbf53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/engin-ca7dfabd35a8f8ff)
[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" "2f1c0e447338482edd492aa554110b98d8cc4898fda6c684f286a2ae44bfbf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1c0e447338482edd492aa554110b98d8cc4898fda6c684f286a2ae44bfbf53", kill_on_drop: false }`
[INFO] [stdout] 2f1c0e447338482edd492aa554110b98d8cc4898fda6c684f286a2ae44bfbf53