[INFO] cloning repository https://github.com/knnymllr/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knnymllr/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknnymllr%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknnymllr%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e7ee3328d269893c41f2ae39c13fec47b5a34ec
[INFO] testing knnymllr/rust-practice against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknnymllr%2Frust-practice" "/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/knnymllr/rust-practice on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knnymllr/rust-practice
[INFO] finished tweaking git repo https://github.com/knnymllr/rust-practice
[INFO] tweaked toml for git repo https://github.com/knnymllr/rust-practice written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/knnymllr/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39f19fd92d54fda8d9af64fe7dceb24f53392d6478991989784c24d9ea57d14c
[INFO] running `Command { std: "docker" "start" "-a" "39f19fd92d54fda8d9af64fe7dceb24f53392d6478991989784c24d9ea57d14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39f19fd92d54fda8d9af64fe7dceb24f53392d6478991989784c24d9ea57d14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f19fd92d54fda8d9af64fe7dceb24f53392d6478991989784c24d9ea57d14c", kill_on_drop: false }`
[INFO] [stdout] 39f19fd92d54fda8d9af64fe7dceb24f53392d6478991989784c24d9ea57d14c
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eb8c3cbed8e5f7a4306e611bb7f91e5379a5af244ba47a6c4340e2c6016b8e4
[INFO] running `Command { std: "docker" "start" "-a" "0eb8c3cbed8e5f7a4306e611bb7f91e5379a5af244ba47a6c4340e2c6016b8e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-world-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "0eb8c3cbed8e5f7a4306e611bb7f91e5379a5af244ba47a6c4340e2c6016b8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb8c3cbed8e5f7a4306e611bb7f91e5379a5af244ba47a6c4340e2c6016b8e4", kill_on_drop: false }`
[INFO] [stdout] 0eb8c3cbed8e5f7a4306e611bb7f91e5379a5af244ba47a6c4340e2c6016b8e4
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c294349a4238b4924374628cb25e1fc2a0c1f4aa5cc5992110d077b4969f57e
[INFO] running `Command { std: "docker" "start" "-a" "2c294349a4238b4924374628cb25e1fc2a0c1f4aa5cc5992110d077b4969f57e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello-world-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "2c294349a4238b4924374628cb25e1fc2a0c1f4aa5cc5992110d077b4969f57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c294349a4238b4924374628cb25e1fc2a0c1f4aa5cc5992110d077b4969f57e", kill_on_drop: false }`
[INFO] [stdout] 2c294349a4238b4924374628cb25e1fc2a0c1f4aa5cc5992110d077b4969f57e
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbc09729c1d4fc6582d79b4e0d97c5c5510cd31588b0d8afb475ab0615f3a9bf
[INFO] running `Command { std: "docker" "start" "-a" "bbc09729c1d4fc6582d79b4e0d97c5c5510cd31588b0d8afb475ab0615f3a9bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world_cargo-90b83dea4e9a899b)
[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" "bbc09729c1d4fc6582d79b4e0d97c5c5510cd31588b0d8afb475ab0615f3a9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc09729c1d4fc6582d79b4e0d97c5c5510cd31588b0d8afb475ab0615f3a9bf", kill_on_drop: false }`
[INFO] [stdout] bbc09729c1d4fc6582d79b4e0d97c5c5510cd31588b0d8afb475ab0615f3a9bf