[INFO] cloning repository https://github.com/JoeyPilla/common_programming_concepts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoeyPilla/common_programming_concepts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoeyPilla%2Fcommon_programming_concepts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoeyPilla%2Fcommon_programming_concepts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dd150436fa38bafe4d83cad82fd0695daf443dc
[INFO] testing JoeyPilla/common_programming_concepts against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoeyPilla%2Fcommon_programming_concepts" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoeyPilla/common_programming_concepts on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoeyPilla/common_programming_concepts
[INFO] finished tweaking git repo https://github.com/JoeyPilla/common_programming_concepts
[INFO] tweaked toml for git repo https://github.com/JoeyPilla/common_programming_concepts written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/JoeyPilla/common_programming_concepts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e25d88fba6dc3904477b287e7bb92cd86fe9de35cdddab6f8bdac9b1b5d05d47
[INFO] running `Command { std: "docker" "start" "-a" "e25d88fba6dc3904477b287e7bb92cd86fe9de35cdddab6f8bdac9b1b5d05d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e25d88fba6dc3904477b287e7bb92cd86fe9de35cdddab6f8bdac9b1b5d05d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25d88fba6dc3904477b287e7bb92cd86fe9de35cdddab6f8bdac9b1b5d05d47", kill_on_drop: false }`
[INFO] [stdout] e25d88fba6dc3904477b287e7bb92cd86fe9de35cdddab6f8bdac9b1b5d05d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb809ca6c3930d705e7a4c25455273b84198f3282721aa79b2474c4fa3d3e404
[INFO] running `Command { std: "docker" "start" "-a" "eb809ca6c3930d705e7a4c25455273b84198f3282721aa79b2474c4fa3d3e404", kill_on_drop: false }`
[INFO] [stderr]    Compiling common_programming_concepts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `five`
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn five () -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "eb809ca6c3930d705e7a4c25455273b84198f3282721aa79b2474c4fa3d3e404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb809ca6c3930d705e7a4c25455273b84198f3282721aa79b2474c4fa3d3e404", kill_on_drop: false }`
[INFO] [stdout] eb809ca6c3930d705e7a4c25455273b84198f3282721aa79b2474c4fa3d3e404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a117957cd5b3fe897c46e88615ddfc85a337b76ffa86a97e4b57bab1de556b6
[INFO] running `Command { std: "docker" "start" "-a" "8a117957cd5b3fe897c46e88615ddfc85a337b76ffa86a97e4b57bab1de556b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling common_programming_concepts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `five`
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn five () -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a117957cd5b3fe897c46e88615ddfc85a337b76ffa86a97e4b57bab1de556b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a117957cd5b3fe897c46e88615ddfc85a337b76ffa86a97e4b57bab1de556b6", kill_on_drop: false }`
[INFO] [stdout] 8a117957cd5b3fe897c46e88615ddfc85a337b76ffa86a97e4b57bab1de556b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0c34a915391e8ea737517c1b12abdd267479a71a0f97febeac6b29c1f2fdbce
[INFO] running `Command { std: "docker" "start" "-a" "c0c34a915391e8ea737517c1b12abdd267479a71a0f97febeac6b29c1f2fdbce", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `five`
[INFO] [stderr]   --> src/main.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn five () -> i32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `common_programming_concepts` (bin "common_programming_concepts" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/common_programming_concepts-3f2b21a1eb2944f7)
[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" "c0c34a915391e8ea737517c1b12abdd267479a71a0f97febeac6b29c1f2fdbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c34a915391e8ea737517c1b12abdd267479a71a0f97febeac6b29c1f2fdbce", kill_on_drop: false }`
[INFO] [stdout] c0c34a915391e8ea737517c1b12abdd267479a71a0f97febeac6b29c1f2fdbce