[INFO] cloning repository https://github.com/k3rn3l00p5/core_concepts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k3rn3l00p5/core_concepts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk3rn3l00p5%2Fcore_concepts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk3rn3l00p5%2Fcore_concepts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4b6364f5aef1f1035ba3266655951be64c7800b
[INFO] testing k3rn3l00p5/core_concepts against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk3rn3l00p5%2Fcore_concepts" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k3rn3l00p5/core_concepts 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 git repo https://github.com/k3rn3l00p5/core_concepts
[INFO] finished tweaking git repo https://github.com/k3rn3l00p5/core_concepts
[INFO] tweaked toml for git repo https://github.com/k3rn3l00p5/core_concepts written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/k3rn3l00p5/core_concepts 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] 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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca98873824cc94ee9a405ec80802ba20a228455c25aeb87104b54cdf65234bf3
[INFO] running `Command { std: "docker" "start" "-a" "ca98873824cc94ee9a405ec80802ba20a228455c25aeb87104b54cdf65234bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca98873824cc94ee9a405ec80802ba20a228455c25aeb87104b54cdf65234bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca98873824cc94ee9a405ec80802ba20a228455c25aeb87104b54cdf65234bf3", kill_on_drop: false }`
[INFO] [stdout] ca98873824cc94ee9a405ec80802ba20a228455c25aeb87104b54cdf65234bf3
[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=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] 7a93aaddf8b9e6f39ab55376711b6cd69634432daa1da4a49defba1a081bda69
[INFO] running `Command { std: "docker" "start" "-a" "7a93aaddf8b9e6f39ab55376711b6cd69634432daa1da4a49defba1a081bda69", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_concepts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "7a93aaddf8b9e6f39ab55376711b6cd69634432daa1da4a49defba1a081bda69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a93aaddf8b9e6f39ab55376711b6cd69634432daa1da4a49defba1a081bda69", kill_on_drop: false }`
[INFO] [stdout] 7a93aaddf8b9e6f39ab55376711b6cd69634432daa1da4a49defba1a081bda69
[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=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] aa82cb08219840f9b835c8e0beeb6d2b5cd9dd30de56033a141926c9d8251716
[INFO] running `Command { std: "docker" "start" "-a" "aa82cb08219840f9b835c8e0beeb6d2b5cd9dd30de56033a141926c9d8251716", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_concepts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "aa82cb08219840f9b835c8e0beeb6d2b5cd9dd30de56033a141926c9d8251716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa82cb08219840f9b835c8e0beeb6d2b5cd9dd30de56033a141926c9d8251716", kill_on_drop: false }`
[INFO] [stdout] aa82cb08219840f9b835c8e0beeb6d2b5cd9dd30de56033a141926c9d8251716
[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=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] 15adf0eb436afe36d35487b2afadd095c4a346f448ce444e66fd334d8eefebc7
[INFO] running `Command { std: "docker" "start" "-a" "15adf0eb436afe36d35487b2afadd095c4a346f448ce444e66fd334d8eefebc7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/core_concepts-d3e171a2c7275d1a)
[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" "15adf0eb436afe36d35487b2afadd095c4a346f448ce444e66fd334d8eefebc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15adf0eb436afe36d35487b2afadd095c4a346f448ce444e66fd334d8eefebc7", kill_on_drop: false }`
[INFO] [stdout] 15adf0eb436afe36d35487b2afadd095c4a346f448ce444e66fd334d8eefebc7