[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 beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86b053c9534d6d5856c2db96f6455cd57309f23aa84a3a8a139c4fe90f4ac25c
[INFO] running `Command { std: "docker" "start" "-a" "86b053c9534d6d5856c2db96f6455cd57309f23aa84a3a8a139c4fe90f4ac25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b053c9534d6d5856c2db96f6455cd57309f23aa84a3a8a139c4fe90f4ac25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b053c9534d6d5856c2db96f6455cd57309f23aa84a3a8a139c4fe90f4ac25c", kill_on_drop: false }`
[INFO] [stdout] 86b053c9534d6d5856c2db96f6455cd57309f23aa84a3a8a139c4fe90f4ac25c
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5f1274c63ce0dec070e4db0fdb29db7f27226b47b202923ed79a7cc33bd3b1a
[INFO] running `Command { std: "docker" "start" "-a" "a5f1274c63ce0dec070e4db0fdb29db7f27226b47b202923ed79a7cc33bd3b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "a5f1274c63ce0dec070e4db0fdb29db7f27226b47b202923ed79a7cc33bd3b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f1274c63ce0dec070e4db0fdb29db7f27226b47b202923ed79a7cc33bd3b1a", kill_on_drop: false }`
[INFO] [stdout] a5f1274c63ce0dec070e4db0fdb29db7f27226b47b202923ed79a7cc33bd3b1a
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d37997a90a3b5527493703c0ad8a44b91eebb29252931f4cfa7927bc9a142a
[INFO] running `Command { std: "docker" "start" "-a" "b0d37997a90a3b5527493703c0ad8a44b91eebb29252931f4cfa7927bc9a142a", 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 0.46s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiny_grep-8283e626b1370e11)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tiny_grep-80ed42d2fe89694e)
[INFO] [stderr]   Executable tests/test_closure.rs (/opt/rustwide/target/debug/deps/test_closure-35e2cadf8467cd09)
[INFO] [stderr]   Executable tests/test_error.rs (/opt/rustwide/target/debug/deps/test_error-203863a5924529a7)
[INFO] [stderr]   Executable tests/test_run.rs (/opt/rustwide/target/debug/deps/test_run-45840dd201a4cee4)
[INFO] [stderr]   Executable tests/test_trait.rs (/opt/rustwide/target/debug/deps/test_trait-f0aa3ac7be1e6948)
[INFO] running `Command { std: "docker" "inspect" "b0d37997a90a3b5527493703c0ad8a44b91eebb29252931f4cfa7927bc9a142a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d37997a90a3b5527493703c0ad8a44b91eebb29252931f4cfa7927bc9a142a", kill_on_drop: false }`
[INFO] [stdout] b0d37997a90a3b5527493703c0ad8a44b91eebb29252931f4cfa7927bc9a142a
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d28cbeb27ec0bb7c42433bb60a81dcaf4913ec60f1120f05093bacf626acb1a
[INFO] running `Command { std: "docker" "start" "-a" "8d28cbeb27ec0bb7c42433bb60a81dcaf4913ec60f1120f05093bacf626acb1a", kill_on_drop: false }`
[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 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiny_grep-8283e626b1370e11)
[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 src/main.rs (/opt/rustwide/target/debug/deps/tiny_grep-80ed42d2fe89694e)
[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-35e2cadf8467cd09)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_1 ... ok
[INFO] [stdout] test test_2 ... ok
[INFO] [stdout] test test_3 ... 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-203863a5924529a7)
[INFO] [stderr]      Running tests/test_run.rs (/opt/rustwide/target/debug/deps/test_run-45840dd201a4cee4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_error ... ok
[INFO] [stdout] test test ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass '--test test_run'
[INFO] running `Command { std: "docker" "inspect" "8d28cbeb27ec0bb7c42433bb60a81dcaf4913ec60f1120f05093bacf626acb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d28cbeb27ec0bb7c42433bb60a81dcaf4913ec60f1120f05093bacf626acb1a", kill_on_drop: false }`
[INFO] [stdout] 8d28cbeb27ec0bb7c42433bb60a81dcaf4913ec60f1120f05093bacf626acb1a