[INFO] cloning repository https://github.com/attila-kun/git-change
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/attila-kun/git-change" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fattila-kun%2Fgit-change"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fattila-kun%2Fgit-change'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63250bb01fd56b711f9b74ba4ca4fcbb6fc162e0
[INFO] checking attila-kun/git-change against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fattila-kun%2Fgit-change" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/attila-kun/git-change on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/attila-kun/git-change
[INFO] finished tweaking git repo https://github.com/attila-kun/git-change
[INFO] tweaked toml for git repo https://github.com/attila-kun/git-change written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/attila-kun/git-change already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6adcbb35529b9c9ec97e2974ba72e59c449685ded732025c936df7407252afcc
[INFO] running `"docker" "start" "-a" "6adcbb35529b9c9ec97e2974ba72e59c449685ded732025c936df7407252afcc"`
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking git-change v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/main.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let branches = match(repo.branches(None)) {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `branch_type`
[INFO] [stderr]   --> src/main.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Ok((branch, branch_type)) => {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_branch_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Err(e) => panic!("error while iterating through branches")
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/main.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let branches = match(repo.branches(None)) {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `branch_type`
[INFO] [stderr]   --> src/main.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Ok((branch, branch_type)) => {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_branch_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Err(e) => panic!("error while iterating through branches")
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "6adcbb35529b9c9ec97e2974ba72e59c449685ded732025c936df7407252afcc"`
[INFO] running `"docker" "rm" "-f" "6adcbb35529b9c9ec97e2974ba72e59c449685ded732025c936df7407252afcc"`
[INFO] [stdout] 6adcbb35529b9c9ec97e2974ba72e59c449685ded732025c936df7407252afcc