[INFO] fetching crate engin 999999999.999999999.999999999...
[INFO] testing engin-999999999.999999999.999999999 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate engin 999999999.999999999.999999999 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate engin 999999999.999999999.999999999 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-57/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6d3298f23e0edcf52ba8bf7343dd48af8eb6a926352b5b87cf5998249ef722b
[INFO] running `Command { std: "docker" "start" "-a" "e6d3298f23e0edcf52ba8bf7343dd48af8eb6a926352b5b87cf5998249ef722b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d3298f23e0edcf52ba8bf7343dd48af8eb6a926352b5b87cf5998249ef722b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d3298f23e0edcf52ba8bf7343dd48af8eb6a926352b5b87cf5998249ef722b", kill_on_drop: false }`
[INFO] [stdout] e6d3298f23e0edcf52ba8bf7343dd48af8eb6a926352b5b87cf5998249ef722b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a30194d5e95d79f889d1cf65342770304bff0da94b1eb7df3f56be7d6d2d153
[INFO] running `Command { std: "docker" "start" "-a" "9a30194d5e95d79f889d1cf65342770304bff0da94b1eb7df3f56be7d6d2d153", kill_on_drop: false }`
[INFO] [stderr]    Compiling engin v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "9a30194d5e95d79f889d1cf65342770304bff0da94b1eb7df3f56be7d6d2d153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a30194d5e95d79f889d1cf65342770304bff0da94b1eb7df3f56be7d6d2d153", kill_on_drop: false }`
[INFO] [stdout] 9a30194d5e95d79f889d1cf65342770304bff0da94b1eb7df3f56be7d6d2d153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c093b60dc71a74003a21cf1a6c2ba25453d191cd3e2a252a9343b159bb6e3af
[INFO] running `Command { std: "docker" "start" "-a" "6c093b60dc71a74003a21cf1a6c2ba25453d191cd3e2a252a9343b159bb6e3af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling engin v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "6c093b60dc71a74003a21cf1a6c2ba25453d191cd3e2a252a9343b159bb6e3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c093b60dc71a74003a21cf1a6c2ba25453d191cd3e2a252a9343b159bb6e3af", kill_on_drop: false }`
[INFO] [stdout] 6c093b60dc71a74003a21cf1a6c2ba25453d191cd3e2a252a9343b159bb6e3af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02ebcf01e42e070b111e781d5bdef7a7feba434a3fef566f716158016c64505a
[INFO] running `Command { std: "docker" "start" "-a" "02ebcf01e42e070b111e781d5bdef7a7feba434a3fef566f716158016c64505a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[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" "02ebcf01e42e070b111e781d5bdef7a7feba434a3fef566f716158016c64505a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ebcf01e42e070b111e781d5bdef7a7feba434a3fef566f716158016c64505a", kill_on_drop: false }`
[INFO] [stdout] 02ebcf01e42e070b111e781d5bdef7a7feba434a3fef566f716158016c64505a