[INFO] cloning repository https://github.com/manuelmaiorano/parallel_travelling_salesman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manuelmaiorano/parallel_travelling_salesman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuelmaiorano%2Fparallel_travelling_salesman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuelmaiorano%2Fparallel_travelling_salesman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 872a3b5c7e5962357231bb334e7b7b4f575f7549
[INFO] testing manuelmaiorano/parallel_travelling_salesman/872a3b5c7e5962357231bb334e7b7b4f575f7549 against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuelmaiorano%2Fparallel_travelling_salesman" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/manuelmaiorano/parallel_travelling_salesman
[INFO] finished tweaking git repo https://github.com/manuelmaiorano/parallel_travelling_salesman
[INFO] tweaked toml for git repo https://github.com/manuelmaiorano/parallel_travelling_salesman written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/manuelmaiorano/parallel_travelling_salesman on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/manuelmaiorano/parallel_travelling_salesman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e1a8495757953951bef0a605ee2255356f30417d6cdecc27ff505f5bd17604
[INFO] running `Command { std: "docker" "start" "-a" "34e1a8495757953951bef0a605ee2255356f30417d6cdecc27ff505f5bd17604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e1a8495757953951bef0a605ee2255356f30417d6cdecc27ff505f5bd17604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e1a8495757953951bef0a605ee2255356f30417d6cdecc27ff505f5bd17604", kill_on_drop: false }`
[INFO] [stdout] 34e1a8495757953951bef0a605ee2255356f30417d6cdecc27ff505f5bd17604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12048e56600f13bb1c8c01c3313f0cd48a1139996664e5a1f93b5c4d73fce6f
[INFO] running `Command { std: "docker" "start" "-a" "a12048e56600f13bb1c8c01c3313f0cd48a1139996664e5a1f93b5c4d73fce6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling branch_and_bound_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let (mut initial_stack, mut best_tour) = get_initial_stack(&distance_matrix, thread_count);
[INFO] [stdout]     |                             ----^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut new_stack = Arc::new(NewStack::new());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let N = contents.split("\n").next().unwrap().split_whitespace().count();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let N = distance_matrix.dim().0;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let N = distance_matrix.dim().0;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let N = distance_matrix.dim().0;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "a12048e56600f13bb1c8c01c3313f0cd48a1139996664e5a1f93b5c4d73fce6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12048e56600f13bb1c8c01c3313f0cd48a1139996664e5a1f93b5c4d73fce6f", kill_on_drop: false }`
[INFO] [stdout] a12048e56600f13bb1c8c01c3313f0cd48a1139996664e5a1f93b5c4d73fce6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf8fdd763695e76318e339e9313b0ec9b21aba73c0cbe42b698750bfff514d09
[INFO] running `Command { std: "docker" "start" "-a" "cf8fdd763695e76318e339e9313b0ec9b21aba73c0cbe42b698750bfff514d09", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let (mut initial_stack, mut best_tour) = get_initial_stack(&distance_matrix, thread_count);
[INFO] [stdout]     |                             ----^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut new_stack = Arc::new(NewStack::new());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let N = contents.split("\n").next().unwrap().split_whitespace().count();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let N = distance_matrix.dim().0;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let N = distance_matrix.dim().0;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let N = distance_matrix.dim().0;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling branch_and_bound_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let (mut initial_stack, mut best_tour) = get_initial_stack(&distance_matrix, thread_count);
[INFO] [stdout]     |                             ----^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut new_stack = Arc::new(NewStack::new());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let N = contents.split("\n").next().unwrap().split_whitespace().count();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let N = distance_matrix.dim().0;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let N = distance_matrix.dim().0;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let N = distance_matrix.dim().0;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:347:13
[INFO] [stdout]     |
[INFO] [stdout] 347 |             parallel_tsp_bb(array.clone(), i);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 347 |             let _ = parallel_tsp_bb(array.clone(), i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "cf8fdd763695e76318e339e9313b0ec9b21aba73c0cbe42b698750bfff514d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8fdd763695e76318e339e9313b0ec9b21aba73c0cbe42b698750bfff514d09", kill_on_drop: false }`
[INFO] [stdout] cf8fdd763695e76318e339e9313b0ec9b21aba73c0cbe42b698750bfff514d09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e4a0fb3cace26ecd45e44e16870fc4b047980be4c47a985f10d097803286e74
[INFO] running `Command { std: "docker" "start" "-a" "8e4a0fb3cace26ecd45e44e16870fc4b047980be4c47a985f10d097803286e74", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_parse ... ok
[INFO] [stdout] test tests::test_bb ... ok
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:214:29
[INFO] [stderr]     |
[INFO] [stderr] 214 |     let (mut initial_stack, mut best_tour) = get_initial_stack(&distance_matrix, thread_count);
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let mut new_stack = Arc::new(NewStack::new());
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let N = contents.split("\n").next().unwrap().split_whitespace().count();
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let N = distance_matrix.dim().0;
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let N = distance_matrix.dim().0;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |     let N = distance_matrix.dim().0;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:347:13
[INFO] [stderr]     |
[INFO] [stderr] 347 |             parallel_tsp_bb(array.clone(), i);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 347 |             let _ = parallel_tsp_bb(array.clone(), i);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `branch_and_bound_rust` (lib) generated 6 warnings (run `cargo fix --lib -p branch_and_bound_rust` to apply 2 suggestions)
[INFO] [stderr] warning: `branch_and_bound_rust` (lib test) generated 7 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/branch_and_bound_rust-5a87023351168b38)
[INFO] [stdout] test tests::test_bb_15 has been running for over 60 seconds
[INFO] [stdout] test tests::test_bb_26 has been running for over 60 seconds
[INFO] [stdout] test tests::test_compare has been running for over 60 seconds
[INFO] [stdout] test tests::test_parallel has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8e4a0fb3cace26ecd45e44e16870fc4b047980be4c47a985f10d097803286e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4a0fb3cace26ecd45e44e16870fc4b047980be4c47a985f10d097803286e74", kill_on_drop: false }`
[INFO] [stdout] 8e4a0fb3cace26ecd45e44e16870fc4b047980be4c47a985f10d097803286e74
