[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-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoeyPilla%2Fcommon_programming_concepts" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoeyPilla/common_programming_concepts 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/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-103/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 87aa50f3d58a7785870f2aaa486188384f14e4324d24b92a1d2428447bd952ce
[INFO] running `Command { std: "docker" "start" "-a" "87aa50f3d58a7785870f2aaa486188384f14e4324d24b92a1d2428447bd952ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87aa50f3d58a7785870f2aaa486188384f14e4324d24b92a1d2428447bd952ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87aa50f3d58a7785870f2aaa486188384f14e4324d24b92a1d2428447bd952ce", kill_on_drop: false }`
[INFO] [stdout] 87aa50f3d58a7785870f2aaa486188384f14e4324d24b92a1d2428447bd952ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 5e1bcb51b6f58cfb9ebf69360bfcd2675acd31774add907bc766c5e63df6019e
[INFO] running `Command { std: "docker" "start" "-a" "5e1bcb51b6f58cfb9ebf69360bfcd2675acd31774add907bc766c5e63df6019e", 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 1.04s
[INFO] running `Command { std: "docker" "inspect" "5e1bcb51b6f58cfb9ebf69360bfcd2675acd31774add907bc766c5e63df6019e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e1bcb51b6f58cfb9ebf69360bfcd2675acd31774add907bc766c5e63df6019e", kill_on_drop: false }`
[INFO] [stdout] 5e1bcb51b6f58cfb9ebf69360bfcd2675acd31774add907bc766c5e63df6019e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] d962a3101866a15010cd6b807b6467313686e08be8d7b40baf5ad3050949f4ee
[INFO] running `Command { std: "docker" "start" "-a" "d962a3101866a15010cd6b807b6467313686e08be8d7b40baf5ad3050949f4ee", 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 test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/common_programming_concepts-3f2b21a1eb2944f7)
[INFO] running `Command { std: "docker" "inspect" "d962a3101866a15010cd6b807b6467313686e08be8d7b40baf5ad3050949f4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d962a3101866a15010cd6b807b6467313686e08be8d7b40baf5ad3050949f4ee", kill_on_drop: false }`
[INFO] [stdout] d962a3101866a15010cd6b807b6467313686e08be8d7b40baf5ad3050949f4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] f1ff3a042063cc5df5fb2c1bd095dafe86ff673f700964e88b481ac1f94ad265
[INFO] running `Command { std: "docker" "start" "-a" "f1ff3a042063cc5df5fb2c1bd095dafe86ff673f700964e88b481ac1f94ad265", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.44s
[INFO] [stderr]      Running unittests src/main.rs (/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" "f1ff3a042063cc5df5fb2c1bd095dafe86ff673f700964e88b481ac1f94ad265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ff3a042063cc5df5fb2c1bd095dafe86ff673f700964e88b481ac1f94ad265", kill_on_drop: false }`
[INFO] [stdout] f1ff3a042063cc5df5fb2c1bd095dafe86ff673f700964e88b481ac1f94ad265