[INFO] cloning repository https://github.com/valmiki20/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valmiki20/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalmiki20%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalmiki20%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f89dc3948be9320d79748a9c161ee4846651b77
[INFO] testing valmiki20/rust_learn against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalmiki20%2Frust_learn" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valmiki20/rust_learn 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/valmiki20/rust_learn
[INFO] finished tweaking git repo https://github.com/valmiki20/rust_learn
[INFO] tweaked toml for git repo https://github.com/valmiki20/rust_learn written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/valmiki20/rust_learn 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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 71ca252ee96ca299f1ee8688dd541cfb837bc242166042b9a1f650a50be0659b
[INFO] running `Command { std: "docker" "start" "-a" "71ca252ee96ca299f1ee8688dd541cfb837bc242166042b9a1f650a50be0659b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71ca252ee96ca299f1ee8688dd541cfb837bc242166042b9a1f650a50be0659b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ca252ee96ca299f1ee8688dd541cfb837bc242166042b9a1f650a50be0659b", kill_on_drop: false }`
[INFO] [stdout] 71ca252ee96ca299f1ee8688dd541cfb837bc242166042b9a1f650a50be0659b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] f9229204fd70a5b35fd1cfa0e9ca1d5148ef31a6dbb6d31e9e8465f128ee6c2e
[INFO] running `Command { std: "docker" "start" "-a" "f9229204fd70a5b35fd1cfa0e9ca1d5148ef31a6dbb6d31e9e8465f128ee6c2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.99s
[INFO] running `Command { std: "docker" "inspect" "f9229204fd70a5b35fd1cfa0e9ca1d5148ef31a6dbb6d31e9e8465f128ee6c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9229204fd70a5b35fd1cfa0e9ca1d5148ef31a6dbb6d31e9e8465f128ee6c2e", kill_on_drop: false }`
[INFO] [stdout] f9229204fd70a5b35fd1cfa0e9ca1d5148ef31a6dbb6d31e9e8465f128ee6c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 17864cf5cab00d85e7036b7fdf9b535a3543bc9634e18a730f187c83d4157bbe
[INFO] running `Command { std: "docker" "start" "-a" "17864cf5cab00d85e7036b7fdf9b535a3543bc9634e18a730f187c83d4157bbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "17864cf5cab00d85e7036b7fdf9b535a3543bc9634e18a730f187c83d4157bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17864cf5cab00d85e7036b7fdf9b535a3543bc9634e18a730f187c83d4157bbe", kill_on_drop: false }`
[INFO] [stdout] 17864cf5cab00d85e7036b7fdf9b535a3543bc9634e18a730f187c83d4157bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 75c6b8d427adbf0907a6a2182e21c490a6a0666ee9f61e40d7a7c1df72daa796
[INFO] running `Command { std: "docker" "start" "-a" "75c6b8d427adbf0907a6a2182e21c490a6a0666ee9f61e40d7a7c1df72daa796", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-982a493f22cd56a8)
[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" "75c6b8d427adbf0907a6a2182e21c490a6a0666ee9f61e40d7a7c1df72daa796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c6b8d427adbf0907a6a2182e21c490a6a0666ee9f61e40d7a7c1df72daa796", kill_on_drop: false }`
[INFO] [stdout] 75c6b8d427adbf0907a6a2182e21c490a6a0666ee9f61e40d7a7c1df72daa796