[INFO] cloning repository https://github.com/Franciman/pid
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Franciman/pid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranciman%2Fpid"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranciman%2Fpid'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b2d4d190030bb393f4593fafd2f503fd69e6aa04
[INFO] checking Franciman/pid against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranciman%2Fpid" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Franciman/pid 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/Franciman/pid
[INFO] finished tweaking git repo https://github.com/Franciman/pid
[INFO] tweaked toml for git repo https://github.com/Franciman/pid written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Franciman/pid 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e5f6bd222ab2775552202dda3563753a5271fa2192fc7fbc1ed94db2407622f7
[INFO] running `"docker" "start" "-a" "e5f6bd222ab2775552202dda3563753a5271fa2192fc7fbc1ed94db2407622f7"`
[INFO] [stderr]     Checking pid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0596]: cannot borrow `stream` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn initialization_sequence(stream: &mut TcpStream) {
[INFO] [stderr]    |                            ------ help: consider changing this to be mutable: `mut stream`
[INFO] [stderr] 17 | 
[INFO] [stderr] 18 |     ident_authentication(&mut stream);
[INFO] [stderr]    |                          ^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error[E0596]: cannot borrow `stream` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn initialization_sequence(stream: &mut TcpStream) {
[INFO] [stderr]    |                            ------ help: consider changing this to be mutable: `mut stream`
[INFO] [stderr] 17 | 
[INFO] [stderr] 18 |     ident_authentication(&mut stream);
[INFO] [stderr]    |                          ^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `pid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pid`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e5f6bd222ab2775552202dda3563753a5271fa2192fc7fbc1ed94db2407622f7"`
[INFO] running `"docker" "rm" "-f" "e5f6bd222ab2775552202dda3563753a5271fa2192fc7fbc1ed94db2407622f7"`
[INFO] [stdout] e5f6bd222ab2775552202dda3563753a5271fa2192fc7fbc1ed94db2407622f7