[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjsyrek%2Fcormen-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjsyrek/cormen-rust on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-9/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ff4e96eba84ad108c2c0ca281030f1341b9f249a26a857b6c2245064709afed
[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" "2ff4e96eba84ad108c2c0ca281030f1341b9f249a26a857b6c2245064709afed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff4e96eba84ad108c2c0ca281030f1341b9f249a26a857b6c2245064709afed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff4e96eba84ad108c2c0ca281030f1341b9f249a26a857b6c2245064709afed", kill_on_drop: false }`
[INFO] [stdout] 2ff4e96eba84ad108c2c0ca281030f1341b9f249a26a857b6c2245064709afed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b756ae0abf26a09653ab9a90dcd47262bed47b2259eb9fd3d151e541d92fc93
[INFO] running `Command { std: "docker" "start" "-a" "6b756ae0abf26a09653ab9a90dcd47262bed47b2259eb9fd3d151e541d92fc93", 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "6b756ae0abf26a09653ab9a90dcd47262bed47b2259eb9fd3d151e541d92fc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b756ae0abf26a09653ab9a90dcd47262bed47b2259eb9fd3d151e541d92fc93", kill_on_drop: false }`
[INFO] [stdout] 6b756ae0abf26a09653ab9a90dcd47262bed47b2259eb9fd3d151e541d92fc93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74a02bc3d14f5896f1c92665839c809c77137ad299f2f6803c75ee7847ddf140
[INFO] running `Command { std: "docker" "start" "-a" "74a02bc3d14f5896f1c92665839c809c77137ad299f2f6803c75ee7847ddf140", 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 1.28s
[INFO] running `Command { std: "docker" "inspect" "74a02bc3d14f5896f1c92665839c809c77137ad299f2f6803c75ee7847ddf140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a02bc3d14f5896f1c92665839c809c77137ad299f2f6803c75ee7847ddf140", kill_on_drop: false }`
[INFO] [stdout] 74a02bc3d14f5896f1c92665839c809c77137ad299f2f6803c75ee7847ddf140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b071401cda8ece536025869b05f52e164f8a22272786b630b458dd6820e2f54f
[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" "b071401cda8ece536025869b05f52e164f8a22272786b630b458dd6820e2f54f", 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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cormen_rust-a216529478e1870a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cormen_rust
[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] 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/selection_sort.rs - sorts::selection_sort::selection_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/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] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b071401cda8ece536025869b05f52e164f8a22272786b630b458dd6820e2f54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b071401cda8ece536025869b05f52e164f8a22272786b630b458dd6820e2f54f", kill_on_drop: false }`
[INFO] [stdout] b071401cda8ece536025869b05f52e164f8a22272786b630b458dd6820e2f54f