[INFO] cloning repository https://github.com/angtsusiong/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angtsusiong/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangtsusiong%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangtsusiong%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5258094e47a2265f515bc7ea48fabe6e062ef73
[INFO] testing angtsusiong/rust-playground against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangtsusiong%2Frust-playground" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/angtsusiong/rust-playground on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/angtsusiong/rust-playground
[INFO] finished tweaking git repo https://github.com/angtsusiong/rust-playground
[INFO] tweaked toml for git repo https://github.com/angtsusiong/rust-playground written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/angtsusiong/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2242745a77efe16f7ce0f3294039e87ac2264a3b5ae18426566aea84e6e2e3d2
[INFO] running `Command { std: "docker" "start" "-a" "2242745a77efe16f7ce0f3294039e87ac2264a3b5ae18426566aea84e6e2e3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2242745a77efe16f7ce0f3294039e87ac2264a3b5ae18426566aea84e6e2e3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2242745a77efe16f7ce0f3294039e87ac2264a3b5ae18426566aea84e6e2e3d2", kill_on_drop: false }`
[INFO] [stdout] 2242745a77efe16f7ce0f3294039e87ac2264a3b5ae18426566aea84e6e2e3d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04e6db52d57cc964dc516b8012f24c40ecf71d0eef8b2ccac4ec70bc775a7f75
[INFO] running `Command { std: "docker" "start" "-a" "04e6db52d57cc964dc516b8012f24c40ecf71d0eef8b2ccac4ec70bc775a7f75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "04e6db52d57cc964dc516b8012f24c40ecf71d0eef8b2ccac4ec70bc775a7f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e6db52d57cc964dc516b8012f24c40ecf71d0eef8b2ccac4ec70bc775a7f75", kill_on_drop: false }`
[INFO] [stdout] 04e6db52d57cc964dc516b8012f24c40ecf71d0eef8b2ccac4ec70bc775a7f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dabc87bfcceb29487bc423ee64be64d6f8fd97d8615c0dade35c0c9afe8e26aa
[INFO] running `Command { std: "docker" "start" "-a" "dabc87bfcceb29487bc423ee64be64d6f8fd97d8615c0dade35c0c9afe8e26aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "dabc87bfcceb29487bc423ee64be64d6f8fd97d8615c0dade35c0c9afe8e26aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabc87bfcceb29487bc423ee64be64d6f8fd97d8615c0dade35c0c9afe8e26aa", kill_on_drop: false }`
[INFO] [stdout] dabc87bfcceb29487bc423ee64be64d6f8fd97d8615c0dade35c0c9afe8e26aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23b140b5d37089cd024d1be7a596cfaaa06f49d49bc24013078cfb55de9f19bc
[INFO] running `Command { std: "docker" "start" "-a" "23b140b5d37089cd024d1be7a596cfaaa06f49d49bc24013078cfb55de9f19bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-48cd5857a4bfda22)
[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" "23b140b5d37089cd024d1be7a596cfaaa06f49d49bc24013078cfb55de9f19bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b140b5d37089cd024d1be7a596cfaaa06f49d49bc24013078cfb55de9f19bc", kill_on_drop: false }`
[INFO] [stdout] 23b140b5d37089cd024d1be7a596cfaaa06f49d49bc24013078cfb55de9f19bc