[INFO] cloning repository https://github.com/ysaquib/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ysaquib/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fysaquib%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fysaquib%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a584c226de3d46bd8461de782dcd59610ccb9033
[INFO] testing ysaquib/learning-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fysaquib%2Flearning-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ysaquib/learning-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ysaquib/learning-rust
[INFO] finished tweaking git repo https://github.com/ysaquib/learning-rust
[INFO] tweaked toml for git repo https://github.com/ysaquib/learning-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ysaquib/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dd1ca82867ba514ae99a23919db4aa4266713fbdd949380981dda18686ed778
[INFO] running `Command { std: "docker" "start" "-a" "9dd1ca82867ba514ae99a23919db4aa4266713fbdd949380981dda18686ed778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd1ca82867ba514ae99a23919db4aa4266713fbdd949380981dda18686ed778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd1ca82867ba514ae99a23919db4aa4266713fbdd949380981dda18686ed778", kill_on_drop: false }`
[INFO] [stdout] 9dd1ca82867ba514ae99a23919db4aa4266713fbdd949380981dda18686ed778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b3eead52d920409608aa486f996ac25bdc421e488fb78271bea394c2d4cd0e
[INFO] running `Command { std: "docker" "start" "-a" "00b3eead52d920409608aa486f996ac25bdc421e488fb78271bea394c2d4cd0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "00b3eead52d920409608aa486f996ac25bdc421e488fb78271bea394c2d4cd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b3eead52d920409608aa486f996ac25bdc421e488fb78271bea394c2d4cd0e", kill_on_drop: false }`
[INFO] [stdout] 00b3eead52d920409608aa486f996ac25bdc421e488fb78271bea394c2d4cd0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 163d61243aaf257ef170dc762c9d180594b38126c33455b1301ec3ff7d51d346
[INFO] running `Command { std: "docker" "start" "-a" "163d61243aaf257ef170dc762c9d180594b38126c33455b1301ec3ff7d51d346", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "163d61243aaf257ef170dc762c9d180594b38126c33455b1301ec3ff7d51d346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163d61243aaf257ef170dc762c9d180594b38126c33455b1301ec3ff7d51d346", kill_on_drop: false }`
[INFO] [stdout] 163d61243aaf257ef170dc762c9d180594b38126c33455b1301ec3ff7d51d346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17c9d9ca52b7a2c41667c82ef932f7c65511e1b62ce783b4b5155bafef56bd28
[INFO] running `Command { std: "docker" "start" "-a" "17c9d9ca52b7a2c41667c82ef932f7c65511e1b62ce783b4b5155bafef56bd28", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-0304712e2f35591e)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test fourth::test::basics ... ok
[INFO] [stdout] test fourth::test::into_iter ... ok
[INFO] [stdout] test fourth::test::peek ... ok
[INFO] [stdout] test second::test::basic_test ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test first::test::basic_test ... ok
[INFO] [stdout] test third::test::basic_test ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stderr]    Doc-tests hello_world
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[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" "17c9d9ca52b7a2c41667c82ef932f7c65511e1b62ce783b4b5155bafef56bd28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c9d9ca52b7a2c41667c82ef932f7c65511e1b62ce783b4b5155bafef56bd28", kill_on_drop: false }`
[INFO] [stdout] 17c9d9ca52b7a2c41667c82ef932f7c65511e1b62ce783b4b5155bafef56bd28