[INFO] cloning repository https://github.com/bradfier/rustfmt_linenum_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bradfier/rustfmt_linenum_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradfier%2Frustfmt_linenum_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradfier%2Frustfmt_linenum_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68ba27bc15fca5c010807a928e14004742755c0d
[INFO] testing bradfier/rustfmt_linenum_example 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%2Fbradfier%2Frustfmt_linenum_example" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bradfier/rustfmt_linenum_example 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/bradfier/rustfmt_linenum_example
[INFO] finished tweaking git repo https://github.com/bradfier/rustfmt_linenum_example
[INFO] tweaked toml for git repo https://github.com/bradfier/rustfmt_linenum_example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/bradfier/rustfmt_linenum_example 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2b80bfe160c10e7b3f0f2b45eca0437a28d0b775e41e4b2faabb2099020f4aad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b80bfe160c10e7b3f0f2b45eca0437a28d0b775e41e4b2faabb2099020f4aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b80bfe160c10e7b3f0f2b45eca0437a28d0b775e41e4b2faabb2099020f4aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b80bfe160c10e7b3f0f2b45eca0437a28d0b775e41e4b2faabb2099020f4aad", kill_on_drop: false }`
[INFO] [stdout] 2b80bfe160c10e7b3f0f2b45eca0437a28d0b775e41e4b2faabb2099020f4aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d730c09a34e5e93b2b91ade821df80af489298d0ad00e6db69af013aefe298e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d730c09a34e5e93b2b91ade821df80af489298d0ad00e6db69af013aefe298e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustfmt-linecount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `my_shorter_function`
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn my_shorter_function(
[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 1.68s
[INFO] running `Command { std: "docker" "inspect" "d730c09a34e5e93b2b91ade821df80af489298d0ad00e6db69af013aefe298e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d730c09a34e5e93b2b91ade821df80af489298d0ad00e6db69af013aefe298e5", kill_on_drop: false }`
[INFO] [stdout] d730c09a34e5e93b2b91ade821df80af489298d0ad00e6db69af013aefe298e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4be63339f47e212834520b7dcacb8db1b17dcc3c1642282d6488fea26c746ffb
[INFO] running `Command { std: "docker" "start" "-a" "4be63339f47e212834520b7dcacb8db1b17dcc3c1642282d6488fea26c746ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustfmt-linecount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `my_shorter_function`
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn my_shorter_function(
[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 0.86s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4be63339f47e212834520b7dcacb8db1b17dcc3c1642282d6488fea26c746ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be63339f47e212834520b7dcacb8db1b17dcc3c1642282d6488fea26c746ffb", kill_on_drop: false }`
[INFO] [stdout] 4be63339f47e212834520b7dcacb8db1b17dcc3c1642282d6488fea26c746ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6a628427344f266040d5bfc1643e202a820172c80aba605b21d3e59df6aefda
[INFO] running `Command { std: "docker" "start" "-a" "b6a628427344f266040d5bfc1643e202a820172c80aba605b21d3e59df6aefda", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `my_shorter_function`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:4
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | fn my_shorter_function(
[INFO] [stdout] 
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustfmt-linecount` (bin "rustfmt-linecount" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustfmt_linecount-80b75d3d08bc75aa)
[INFO] running `Command { std: "docker" "inspect" "b6a628427344f266040d5bfc1643e202a820172c80aba605b21d3e59df6aefda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a628427344f266040d5bfc1643e202a820172c80aba605b21d3e59df6aefda", kill_on_drop: false }`
[INFO] [stdout] b6a628427344f266040d5bfc1643e202a820172c80aba605b21d3e59df6aefda