[INFO] cloning repository https://github.com/sencenan/rust_exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sencenan/rust_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsencenan%2Frust_exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsencenan%2Frust_exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07edbd04683e454024a53ae19f08e69eada623ad
[INFO] testing sencenan/rust_exercise 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%2Fsencenan%2Frust_exercise" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sencenan/rust_exercise 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/sencenan/rust_exercise
[INFO] finished tweaking git repo https://github.com/sencenan/rust_exercise
[INFO] tweaked toml for git repo https://github.com/sencenan/rust_exercise written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/sencenan/rust_exercise 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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 26ff68aec0e5543cfadb0a6a47406652d41c37fa4120c6f06a13743141a6ed4e
[INFO] running `Command { std: "docker" "start" "-a" "26ff68aec0e5543cfadb0a6a47406652d41c37fa4120c6f06a13743141a6ed4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26ff68aec0e5543cfadb0a6a47406652d41c37fa4120c6f06a13743141a6ed4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ff68aec0e5543cfadb0a6a47406652d41c37fa4120c6f06a13743141a6ed4e", kill_on_drop: false }`
[INFO] [stdout] 26ff68aec0e5543cfadb0a6a47406652d41c37fa4120c6f06a13743141a6ed4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] ca4ed1065d468951986facf5d337f9208db042b42e5fd5ec30b70aff22e5baad
[INFO] running `Command { std: "docker" "start" "-a" "ca4ed1065d468951986facf5d337f9208db042b42e5fd5ec30b70aff22e5baad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.89s
[INFO] running `Command { std: "docker" "inspect" "ca4ed1065d468951986facf5d337f9208db042b42e5fd5ec30b70aff22e5baad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4ed1065d468951986facf5d337f9208db042b42e5fd5ec30b70aff22e5baad", kill_on_drop: false }`
[INFO] [stdout] ca4ed1065d468951986facf5d337f9208db042b42e5fd5ec30b70aff22e5baad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 6ca475f13ca75d1af09fd79a0b92bf3f22188a7be434d2ecf41a353fdaf80679
[INFO] running `Command { std: "docker" "start" "-a" "6ca475f13ca75d1af09fd79a0b92bf3f22188a7be434d2ecf41a353fdaf80679", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.72s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_exercise-875445d47e0f5e34)
[INFO] running `Command { std: "docker" "inspect" "6ca475f13ca75d1af09fd79a0b92bf3f22188a7be434d2ecf41a353fdaf80679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca475f13ca75d1af09fd79a0b92bf3f22188a7be434d2ecf41a353fdaf80679", kill_on_drop: false }`
[INFO] [stdout] 6ca475f13ca75d1af09fd79a0b92bf3f22188a7be434d2ecf41a353fdaf80679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 5e16e0a6556542b8f9900ea628a0104e7dd24e9e8d86bb22ba83bea1dabef95d
[INFO] running `Command { std: "docker" "start" "-a" "5e16e0a6556542b8f9900ea628a0104e7dd24e9e8d86bb22ba83bea1dabef95d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.41s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_exercise-875445d47e0f5e34)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test longest_common_prefix_14::tests::longest_common_prefix_test ... ok
[INFO] [stdout] test reverse_integer_7::tests::reverse_test ... ok
[INFO] [stdout] test palindrome_number_9::tests::is_palindrome_test ... ok
[INFO] [stdout] test roman_to_integer_13::tests::roman_to_int_test ... ok
[INFO] [stdout] test valid_parentheses_20::tests::is_valid_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e16e0a6556542b8f9900ea628a0104e7dd24e9e8d86bb22ba83bea1dabef95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e16e0a6556542b8f9900ea628a0104e7dd24e9e8d86bb22ba83bea1dabef95d", kill_on_drop: false }`
[INFO] [stdout] 5e16e0a6556542b8f9900ea628a0104e7dd24e9e8d86bb22ba83bea1dabef95d