[INFO] cloning repository https://github.com/mathieu-pousse/discover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathieu-pousse/discover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-pousse%2Fdiscover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-pousse%2Fdiscover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 618ccb86c8b90815495d7355be37d3ecea6d9357
[INFO] testing mathieu-pousse/discover against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-pousse%2Fdiscover" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathieu-pousse/discover on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mathieu-pousse/discover
[INFO] finished tweaking git repo https://github.com/mathieu-pousse/discover
[INFO] tweaked toml for git repo https://github.com/mathieu-pousse/discover written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/mathieu-pousse/discover already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 541c9f813b775e658a3f370f41f07b18508321949a2f3f27d10ae54b4798fd28
[INFO] running `Command { std: "docker" "start" "-a" "541c9f813b775e658a3f370f41f07b18508321949a2f3f27d10ae54b4798fd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541c9f813b775e658a3f370f41f07b18508321949a2f3f27d10ae54b4798fd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541c9f813b775e658a3f370f41f07b18508321949a2f3f27d10ae54b4798fd28", kill_on_drop: false }`
[INFO] [stdout] 541c9f813b775e658a3f370f41f07b18508321949a2f3f27d10ae54b4798fd28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba06ceee48f0ca44b7efa174c2317e96745dbe4a907ccf0f93fa1b1d14b345c
[INFO] running `Command { std: "docker" "start" "-a" "7ba06ceee48f0ca44b7efa174c2317e96745dbe4a907ccf0f93fa1b1d14b345c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling discover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "7ba06ceee48f0ca44b7efa174c2317e96745dbe4a907ccf0f93fa1b1d14b345c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba06ceee48f0ca44b7efa174c2317e96745dbe4a907ccf0f93fa1b1d14b345c", kill_on_drop: false }`
[INFO] [stdout] 7ba06ceee48f0ca44b7efa174c2317e96745dbe4a907ccf0f93fa1b1d14b345c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be4f162d40fa50ed2062f5350e62a9d1c78f943fb71c47f164d4ffc89a6f415
[INFO] running `Command { std: "docker" "start" "-a" "2be4f162d40fa50ed2062f5350e62a9d1c78f943fb71c47f164d4ffc89a6f415", kill_on_drop: false }`
[INFO] [stderr]    Compiling discover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "2be4f162d40fa50ed2062f5350e62a9d1c78f943fb71c47f164d4ffc89a6f415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be4f162d40fa50ed2062f5350e62a9d1c78f943fb71c47f164d4ffc89a6f415", kill_on_drop: false }`
[INFO] [stdout] 2be4f162d40fa50ed2062f5350e62a9d1c78f943fb71c47f164d4ffc89a6f415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ad3cf07646e67f05735944ff29f733add7861d212a42b3d36d7e6c44b6449e7
[INFO] running `Command { std: "docker" "start" "-a" "6ad3cf07646e67f05735944ff29f733add7861d212a42b3d36d7e6c44b6449e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/discover-4c5f0a8f54335431)
[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" "6ad3cf07646e67f05735944ff29f733add7861d212a42b3d36d7e6c44b6449e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad3cf07646e67f05735944ff29f733add7861d212a42b3d36d7e6c44b6449e7", kill_on_drop: false }`
[INFO] [stdout] 6ad3cf07646e67f05735944ff29f733add7861d212a42b3d36d7e6c44b6449e7