[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] testing sjsyrek/cormen-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjsyrek%2Fcormen-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjsyrek/cormen-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df08eecb5f2191e7b2129c4a82102c35de289b80dfadd1e17fc18117f664cbb2
[INFO] running `Command { std: "docker" "start" "-a" "df08eecb5f2191e7b2129c4a82102c35de289b80dfadd1e17fc18117f664cbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df08eecb5f2191e7b2129c4a82102c35de289b80dfadd1e17fc18117f664cbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df08eecb5f2191e7b2129c4a82102c35de289b80dfadd1e17fc18117f664cbb2", kill_on_drop: false }`
[INFO] [stdout] df08eecb5f2191e7b2129c4a82102c35de289b80dfadd1e17fc18117f664cbb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 648531ee574a125834ff2fe648d16507f246f387684035e87f51c6c91e9ec3ff
[INFO] running `Command { std: "docker" "start" "-a" "648531ee574a125834ff2fe648d16507f246f387684035e87f51c6c91e9ec3ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "648531ee574a125834ff2fe648d16507f246f387684035e87f51c6c91e9ec3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648531ee574a125834ff2fe648d16507f246f387684035e87f51c6c91e9ec3ff", kill_on_drop: false }`
[INFO] [stdout] 648531ee574a125834ff2fe648d16507f246f387684035e87f51c6c91e9ec3ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b23f1faf9ccb3b742bd0765b764255b2cc009e4e2b4eb36a2d072139c99004f2
[INFO] running `Command { std: "docker" "start" "-a" "b23f1faf9ccb3b742bd0765b764255b2cc009e4e2b4eb36a2d072139c99004f2", kill_on_drop: false }`
[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] [stderr]    Compiling cormen_rust v0.2.0 (/opt/rustwide/workdir)
[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: 3 warnings emitted
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "b23f1faf9ccb3b742bd0765b764255b2cc009e4e2b4eb36a2d072139c99004f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23f1faf9ccb3b742bd0765b764255b2cc009e4e2b4eb36a2d072139c99004f2", kill_on_drop: false }`
[INFO] [stdout] b23f1faf9ccb3b742bd0765b764255b2cc009e4e2b4eb36a2d072139c99004f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e79c011b6bdf48dd68b55989a62250d2de713f7c01d8424799651e6da9da53f
[INFO] running `Command { std: "docker" "start" "-a" "8e79c011b6bdf48dd68b55989a62250d2de713f7c01d8424799651e6da9da53f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/sorts/merge_sort.rs:14:40
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut left: Vec<isize> = vec![0; (n1 + 1)];
[INFO] [stderr]    |                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/sorts/merge_sort.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut right: Vec<isize> = vec![0; (n2 + 1)];
[INFO] [stderr]    |                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stderr]   --> src/utils.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     "[".to_string() + &s.trim_right_matches(", ").to_string() + "]"
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/sorts/merge_sort.rs:14:40
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut left: Vec<isize> = vec![0; (n1 + 1)];
[INFO] [stderr]    |                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/sorts/merge_sort.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut right: Vec<isize> = vec![0; (n2 + 1)];
[INFO] [stderr]    |                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stderr]   --> src/utils.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     "[".to_string() + &s.trim_right_matches(", ").to_string() + "]"
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cormen_rust-33d1eac935b7f8f7)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cormen_rust
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/sorts/merge_sort.rs:14:40
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut left: Vec<isize> = vec![0; (n1 + 1)];
[INFO] [stderr]    |                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/sorts/merge_sort.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut right: Vec<isize> = vec![0; (n2 + 1)];
[INFO] [stderr]    |                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/sorts/merge_sort.rs - sorts::merge_sort::merge_sort (line 42) ... ok
[INFO] [stdout] test src/sorts/insertion_sort.rs - sorts::insertion_sort::insertion_sort (line 5) ... ok
[INFO] [stdout] test src/utils.rs - utils::vec_to_str (line 5) ... ok
[INFO] [stdout] test src/sorts/merge_sort.rs - sorts::merge_sort::merge (line 5) ... ok
[INFO] [stdout] test src/sorts/selection_sort.rs - sorts::selection_sort::selection_sort (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e79c011b6bdf48dd68b55989a62250d2de713f7c01d8424799651e6da9da53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e79c011b6bdf48dd68b55989a62250d2de713f7c01d8424799651e6da9da53f", kill_on_drop: false }`
[INFO] [stdout] 8e79c011b6bdf48dd68b55989a62250d2de713f7c01d8424799651e6da9da53f