[INFO] cloning repository https://github.com/hqweay/rust-lang-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hqweay/rust-lang-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqweay%2Frust-lang-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqweay%2Frust-lang-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2e37a4f14b9f911718c8a65d9ddb00de2e0f232
[INFO] testing hqweay/rust-lang-learn against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqweay%2Frust-lang-learn" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hqweay/rust-lang-learn on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hqweay/rust-lang-learn
[INFO] finished tweaking git repo https://github.com/hqweay/rust-lang-learn
[INFO] tweaked toml for git repo https://github.com/hqweay/rust-lang-learn written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/hqweay/rust-lang-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f0b61f58fa2a989fa768aebba05e0159b27eab5c2779070280f904d18b693e
[INFO] running `Command { std: "docker" "start" "-a" "26f0b61f58fa2a989fa768aebba05e0159b27eab5c2779070280f904d18b693e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f0b61f58fa2a989fa768aebba05e0159b27eab5c2779070280f904d18b693e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f0b61f58fa2a989fa768aebba05e0159b27eab5c2779070280f904d18b693e", kill_on_drop: false }`
[INFO] [stdout] 26f0b61f58fa2a989fa768aebba05e0159b27eab5c2779070280f904d18b693e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce22adc54ddc16aa6692bb56eb56c9c78d3bed798cd10a9d6cba9d0382922ff0
[INFO] running `Command { std: "docker" "start" "-a" "ce22adc54ddc16aa6692bb56eb56c9c78d3bed798cd10a9d6cba9d0382922ff0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tiny-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "ce22adc54ddc16aa6692bb56eb56c9c78d3bed798cd10a9d6cba9d0382922ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce22adc54ddc16aa6692bb56eb56c9c78d3bed798cd10a9d6cba9d0382922ff0", kill_on_drop: false }`
[INFO] [stdout] ce22adc54ddc16aa6692bb56eb56c9c78d3bed798cd10a9d6cba9d0382922ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20049d75e031f7cec8373655c1804ed5967e2a79d4d6074403797242d29e0239
[INFO] running `Command { std: "docker" "start" "-a" "20049d75e031f7cec8373655c1804ed5967e2a79d4d6074403797242d29e0239", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `haha`
[INFO] [stdout]   --> tests/test_trait.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let haha = item.divide(2);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_haha`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "20049d75e031f7cec8373655c1804ed5967e2a79d4d6074403797242d29e0239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20049d75e031f7cec8373655c1804ed5967e2a79d4d6074403797242d29e0239", kill_on_drop: false }`
[INFO] [stdout] 20049d75e031f7cec8373655c1804ed5967e2a79d4d6074403797242d29e0239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f842acace417233365121c097a2456cbfcaf9b1b219cdfb89fcaf54a21540b41
[INFO] running `Command { std: "docker" "start" "-a" "f842acace417233365121c097a2456cbfcaf9b1b219cdfb89fcaf54a21540b41", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `haha`
[INFO] [stderr]   --> tests/test_trait.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let haha = item.divide(2);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_haha`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny-grep` (test "test_trait") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiny_grep-44836bcf45edabc8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test util::application::tests::run_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiny_grep-8962619347af3075)
[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] [stderr]      Running tests/test_closure.rs (/opt/rustwide/target/debug/deps/test_closure-3cb73dd21a016128)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_1 ... ok
[INFO] [stdout] test test_3 ... ok
[INFO] [stdout] test test_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_error.rs (/opt/rustwide/target/debug/deps/test_error-c4085f377c075dc9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test ... ok
[INFO] [stdout] test test_error ... ok
[INFO] [stdout] test test_match ... ok
[INFO] [stdout] test test_unwrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_run.rs (/opt/rustwide/target/debug/deps/test_run-0d57fb4222c7ce67)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass '--test test_run'
[INFO] running `Command { std: "docker" "inspect" "f842acace417233365121c097a2456cbfcaf9b1b219cdfb89fcaf54a21540b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f842acace417233365121c097a2456cbfcaf9b1b219cdfb89fcaf54a21540b41", kill_on_drop: false }`
[INFO] [stdout] f842acace417233365121c097a2456cbfcaf9b1b219cdfb89fcaf54a21540b41