[INFO] updating cached repository https://github.com/grzala/rcrypt-rust
[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] f8ad9a1c4504e309fa0f88951a146023f6125d22
[INFO] checking grzala/rcrypt-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrzala%2Frcrypt-rust" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grzala/rcrypt-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/grzala/rcrypt-rust
[INFO] finished tweaking git repo https://github.com/grzala/rcrypt-rust
[INFO] tweaked toml for git repo https://github.com/grzala/rcrypt-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/grzala/rcrypt-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 3a5d7c4710803e33099a8d825113d45562167693e4f5172da9265333a6ea9c19
[INFO] running `"docker" "start" "-a" "3a5d7c4710803e33099a8d825113d45562167693e4f5172da9265333a6ea9c19"`
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking rcrypt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/main.rs:118:29
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let path = Path::new(&n2);;
[INFO] [stderr]     |                                   ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:22:67
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Err(why) => panic!("couldn't open {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:28:67
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Err(why) => panic!("couldn't read {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |             let name: String = cf.name.clone();
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:172:8
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut path = tmp_dir.path();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/main.rs:118:29
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let path = Path::new(&n2);;
[INFO] [stderr]     |                                   ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:22:67
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Err(why) => panic!("couldn't open {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:28:67
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Err(why) => panic!("couldn't read {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |             let name: String = cf.name.clone();
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:172:8
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut path = tmp_dir.path();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "3a5d7c4710803e33099a8d825113d45562167693e4f5172da9265333a6ea9c19"`
[INFO] running `"docker" "rm" "-f" "3a5d7c4710803e33099a8d825113d45562167693e4f5172da9265333a6ea9c19"`
[INFO] [stdout] 3a5d7c4710803e33099a8d825113d45562167693e4f5172da9265333a6ea9c19