[INFO] cloning repository https://github.com/davidkern/rust-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidkern/rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidkern%2Frust-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidkern%2Frust-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2481f8f9f9d1c3f48bf252e8977da1de1933f37
[INFO] testing davidkern/rust-experiments against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidkern%2Frust-experiments" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidkern/rust-experiments 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/davidkern/rust-experiments
[INFO] finished tweaking git repo https://github.com/davidkern/rust-experiments
[INFO] tweaked toml for git repo https://github.com/davidkern/rust-experiments written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/davidkern/rust-experiments 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5b7faca23b65b919676e3f5bed2702bf531c73f851d99a07504630aa6d756798
[INFO] running `Command { std: "docker" "start" "-a" "5b7faca23b65b919676e3f5bed2702bf531c73f851d99a07504630aa6d756798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7faca23b65b919676e3f5bed2702bf531c73f851d99a07504630aa6d756798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7faca23b65b919676e3f5bed2702bf531c73f851d99a07504630aa6d756798", kill_on_drop: false }`
[INFO] [stdout] 5b7faca23b65b919676e3f5bed2702bf531c73f851d99a07504630aa6d756798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 3e75c54a940d3b47d4e326a7481d6a3ba54735d028dfaa13e37955b98ec68b1b
[INFO] running `Command { std: "docker" "start" "-a" "3e75c54a940d3b47d4e326a7481d6a3ba54735d028dfaa13e37955b98ec68b1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "3e75c54a940d3b47d4e326a7481d6a3ba54735d028dfaa13e37955b98ec68b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e75c54a940d3b47d4e326a7481d6a3ba54735d028dfaa13e37955b98ec68b1b", kill_on_drop: false }`
[INFO] [stdout] 3e75c54a940d3b47d4e326a7481d6a3ba54735d028dfaa13e37955b98ec68b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4aac6b666363826184acb000197bdcce5f9b2fe263da2c4b523d7028662bc539
[INFO] running `Command { std: "docker" "start" "-a" "4aac6b666363826184acb000197bdcce5f9b2fe263da2c4b523d7028662bc539", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4aac6b666363826184acb000197bdcce5f9b2fe263da2c4b523d7028662bc539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aac6b666363826184acb000197bdcce5f9b2fe263da2c4b523d7028662bc539", kill_on_drop: false }`
[INFO] [stdout] 4aac6b666363826184acb000197bdcce5f9b2fe263da2c4b523d7028662bc539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8ff9020461545bb6acb047b57e9a0ec99da7be15a157344e9cbc38c516487a8a
[INFO] running `Command { std: "docker" "start" "-a" "8ff9020461545bb6acb047b57e9a0ec99da7be15a157344e9cbc38c516487a8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_experiments-a59ffb9d9ddb3b3e)
[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" "8ff9020461545bb6acb047b57e9a0ec99da7be15a157344e9cbc38c516487a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff9020461545bb6acb047b57e9a0ec99da7be15a157344e9cbc38c516487a8a", kill_on_drop: false }`
[INFO] [stdout] 8ff9020461545bb6acb047b57e9a0ec99da7be15a157344e9cbc38c516487a8a