[INFO] cloning repository https://github.com/ardeshirj/rs-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ardeshirj/rs-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fardeshirj%2Frs-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fardeshirj%2Frs-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c21c28bd922d29b7db4e4bfc9bf746542c6eb276
[INFO] testing ardeshirj/rs-playground against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fardeshirj%2Frs-playground" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ardeshirj/rs-playground on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ardeshirj/rs-playground
[INFO] finished tweaking git repo https://github.com/ardeshirj/rs-playground
[INFO] tweaked toml for git repo https://github.com/ardeshirj/rs-playground written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ardeshirj/rs-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea8157b69ea3d472f02d1f81b723f3781ff108d7a57ea4c8a42b13430bd83244
[INFO] running `Command { std: "docker" "start" "-a" "ea8157b69ea3d472f02d1f81b723f3781ff108d7a57ea4c8a42b13430bd83244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8157b69ea3d472f02d1f81b723f3781ff108d7a57ea4c8a42b13430bd83244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8157b69ea3d472f02d1f81b723f3781ff108d7a57ea4c8a42b13430bd83244", kill_on_drop: false }`
[INFO] [stdout] ea8157b69ea3d472f02d1f81b723f3781ff108d7a57ea4c8a42b13430bd83244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ee7d9772949976854a1b3676f7b8f77d5ea8451fbfb22d0237d3dfd2ce80b2d
[INFO] running `Command { std: "docker" "start" "-a" "0ee7d9772949976854a1b3676f7b8f77d5ea8451fbfb22d0237d3dfd2ce80b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "0ee7d9772949976854a1b3676f7b8f77d5ea8451fbfb22d0237d3dfd2ce80b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee7d9772949976854a1b3676f7b8f77d5ea8451fbfb22d0237d3dfd2ce80b2d", kill_on_drop: false }`
[INFO] [stdout] 0ee7d9772949976854a1b3676f7b8f77d5ea8451fbfb22d0237d3dfd2ce80b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 331cb772ce3eba9d82750d9e3f642415f52ba1a3a24e78ee0333225289d7bc37
[INFO] running `Command { std: "docker" "start" "-a" "331cb772ce3eba9d82750d9e3f642415f52ba1a3a24e78ee0333225289d7bc37", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "331cb772ce3eba9d82750d9e3f642415f52ba1a3a24e78ee0333225289d7bc37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331cb772ce3eba9d82750d9e3f642415f52ba1a3a24e78ee0333225289d7bc37", kill_on_drop: false }`
[INFO] [stdout] 331cb772ce3eba9d82750d9e3f642415f52ba1a3a24e78ee0333225289d7bc37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c3c24549ad869d33b462a27fd73919c8d0fe1676f5066527e232194a64e052a
[INFO] running `Command { std: "docker" "start" "-a" "9c3c24549ad869d33b462a27fd73919c8d0fe1676f5066527e232194a64e052a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_playground-c66c0424cb0c76b2)
[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" "9c3c24549ad869d33b462a27fd73919c8d0fe1676f5066527e232194a64e052a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3c24549ad869d33b462a27fd73919c8d0fe1676f5066527e232194a64e052a", kill_on_drop: false }`
[INFO] [stdout] 9c3c24549ad869d33b462a27fd73919c8d0fe1676f5066527e232194a64e052a