[INFO] updating cached repository https://github.com/kbacha/cargo-fmt-err-1-26
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50afb2c7438f4a824b6cc6c59197b02f78f648d2
[INFO] testing kbacha/cargo-fmt-err-1-26 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbacha%2Fcargo-fmt-err-1-26" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kbacha/cargo-fmt-err-1-26 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kbacha/cargo-fmt-err-1-26
[INFO] finished tweaking git repo https://github.com/kbacha/cargo-fmt-err-1-26
[INFO] tweaked toml for git repo https://github.com/kbacha/cargo-fmt-err-1-26 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kbacha/cargo-fmt-err-1-26 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8df2e1008e0d491b7ec70636ac7e8784493626eccaf1c7d9ad8d7baef895877
[INFO] running `"docker" "start" "-a" "e8df2e1008e0d491b7ec70636ac7e8784493626eccaf1c7d9ad8d7baef895877"`
[INFO] [stderr]    Compiling fmt-err v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let test = r#"{{
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let test = r#"{{
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "e8df2e1008e0d491b7ec70636ac7e8784493626eccaf1c7d9ad8d7baef895877"`
[INFO] running `"docker" "rm" "-f" "e8df2e1008e0d491b7ec70636ac7e8784493626eccaf1c7d9ad8d7baef895877"`
[INFO] [stdout] e8df2e1008e0d491b7ec70636ac7e8784493626eccaf1c7d9ad8d7baef895877
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65edfb078633036f5e2d7596dd37f800d6c44259524bbc01af46d2c13d8b8919
[INFO] running `"docker" "start" "-a" "65edfb078633036f5e2d7596dd37f800d6c44259524bbc01af46d2c13d8b8919"`
[INFO] [stderr]    Compiling fmt-err v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let test = r#"{{
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let test = r#"{{
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "65edfb078633036f5e2d7596dd37f800d6c44259524bbc01af46d2c13d8b8919"`
[INFO] running `"docker" "rm" "-f" "65edfb078633036f5e2d7596dd37f800d6c44259524bbc01af46d2c13d8b8919"`
[INFO] [stdout] 65edfb078633036f5e2d7596dd37f800d6c44259524bbc01af46d2c13d8b8919
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7e9c026d13da7091678e9d91735addd1e8f2a888ce9c03f7950f894b84c048d
[INFO] running `"docker" "start" "-a" "d7e9c026d13da7091678e9d91735addd1e8f2a888ce9c03f7950f894b84c048d"`
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let test = r#"{{
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let test = r#"{{
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fmt_err-72fbdb67ebe6f03f
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d7e9c026d13da7091678e9d91735addd1e8f2a888ce9c03f7950f894b84c048d"`
[INFO] running `"docker" "rm" "-f" "d7e9c026d13da7091678e9d91735addd1e8f2a888ce9c03f7950f894b84c048d"`
[INFO] [stdout] d7e9c026d13da7091678e9d91735addd1e8f2a888ce9c03f7950f894b84c048d