[INFO] cloning repository https://github.com/sjsyrek/cormen-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjsyrek/cormen-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjsyrek%2Fcormen-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjsyrek%2Fcormen-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d48e3c79004cd805bba4e3ec5c971b1448de5f9
[INFO] checking sjsyrek/cormen-rust against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjsyrek%2Fcormen-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjsyrek/cormen-rust on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sjsyrek/cormen-rust
[INFO] finished tweaking git repo https://github.com/sjsyrek/cormen-rust
[INFO] tweaked toml for git repo https://github.com/sjsyrek/cormen-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sjsyrek/cormen-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a0b4af1e613cf59a8a2b1c58a2c5b45de6061cde55e45c53108e27f04abc6f0
[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" "4a0b4af1e613cf59a8a2b1c58a2c5b45de6061cde55e45c53108e27f04abc6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a0b4af1e613cf59a8a2b1c58a2c5b45de6061cde55e45c53108e27f04abc6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0b4af1e613cf59a8a2b1c58a2c5b45de6061cde55e45c53108e27f04abc6f0", kill_on_drop: false }`
[INFO] [stdout] 4a0b4af1e613cf59a8a2b1c58a2c5b45de6061cde55e45c53108e27f04abc6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e624ed94c1a471f17b98b6a372dbbd10f2986b7d26a1766e3cf14b8d6bbff53a
[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" "e624ed94c1a471f17b98b6a372dbbd10f2986b7d26a1766e3cf14b8d6bbff53a", kill_on_drop: false }`
[INFO] [stderr]     Checking cormen_rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/sorts/merge_sort.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut left: Vec<isize> = vec![0; (n1 + 1)];
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/sorts/merge_sort.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut right: Vec<isize> = vec![0; (n2 + 1)];
[INFO] [stdout]    |                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/sorts/merge_sort.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut left: Vec<isize> = vec![0; (n1 + 1)];
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/sorts/merge_sort.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut right: Vec<isize> = vec![0; (n2 + 1)];
[INFO] [stdout]    |                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/utils.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     "[".to_string() + &s.trim_right_matches(", ").to_string() + "]"
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/utils.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     "[".to_string() + &s.trim_right_matches(", ").to_string() + "]"
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "e624ed94c1a471f17b98b6a372dbbd10f2986b7d26a1766e3cf14b8d6bbff53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e624ed94c1a471f17b98b6a372dbbd10f2986b7d26a1766e3cf14b8d6bbff53a", kill_on_drop: false }`
[INFO] [stdout] e624ed94c1a471f17b98b6a372dbbd10f2986b7d26a1766e3cf14b8d6bbff53a