[INFO] cloning repository https://github.com/xingfly/rust_4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xingfly/rust_4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxingfly%2Frust_4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxingfly%2Frust_4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bab9be83a708eef5c60074543f541e4262bb4311
[INFO] testing xingfly/rust_4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxingfly%2Frust_4" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xingfly/rust_4 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/xingfly/rust_4
[INFO] finished tweaking git repo https://github.com/xingfly/rust_4
[INFO] tweaked toml for git repo https://github.com/xingfly/rust_4 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/xingfly/rust_4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 4dd7a625b8e7c5a1d89ae461b09dac14eed8a13b2199ab193f88ef4349ed240a
[INFO] running `Command { std: "docker" "start" "-a" "4dd7a625b8e7c5a1d89ae461b09dac14eed8a13b2199ab193f88ef4349ed240a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd7a625b8e7c5a1d89ae461b09dac14eed8a13b2199ab193f88ef4349ed240a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd7a625b8e7c5a1d89ae461b09dac14eed8a13b2199ab193f88ef4349ed240a", kill_on_drop: false }`
[INFO] [stdout] 4dd7a625b8e7c5a1d89ae461b09dac14eed8a13b2199ab193f88ef4349ed240a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 71a1babe95be151b34e58109cd226b7aedac6eb5f25ae91cfe3420da9c6dd598
[INFO] running `Command { std: "docker" "start" "-a" "71a1babe95be151b34e58109cd226b7aedac6eb5f25ae91cfe3420da9c6dd598", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "71a1babe95be151b34e58109cd226b7aedac6eb5f25ae91cfe3420da9c6dd598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a1babe95be151b34e58109cd226b7aedac6eb5f25ae91cfe3420da9c6dd598", kill_on_drop: false }`
[INFO] [stdout] 71a1babe95be151b34e58109cd226b7aedac6eb5f25ae91cfe3420da9c6dd598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] dede7f244972d1f62710d21152440bb7325c1d8ad1d9f08df49e5165ad7c9f49
[INFO] running `Command { std: "docker" "start" "-a" "dede7f244972d1f62710d21152440bb7325c1d8ad1d9f08df49e5165ad7c9f49", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "dede7f244972d1f62710d21152440bb7325c1d8ad1d9f08df49e5165ad7c9f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dede7f244972d1f62710d21152440bb7325c1d8ad1d9f08df49e5165ad7c9f49", kill_on_drop: false }`
[INFO] [stdout] dede7f244972d1f62710d21152440bb7325c1d8ad1d9f08df49e5165ad7c9f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] d94c8770f4fa6424e84a34e41387b1a6255fe3c6c0e93b21ad6db54119c67b9b
[INFO] running `Command { std: "docker" "start" "-a" "d94c8770f4fa6424e84a34e41387b1a6255fe3c6c0e93b21ad6db54119c67b9b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_4-e2c47706c082e1af)
[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" "d94c8770f4fa6424e84a34e41387b1a6255fe3c6c0e93b21ad6db54119c67b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94c8770f4fa6424e84a34e41387b1a6255fe3c6c0e93b21ad6db54119c67b9b", kill_on_drop: false }`
[INFO] [stdout] d94c8770f4fa6424e84a34e41387b1a6255fe3c6c0e93b21ad6db54119c67b9b