[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] checking manuelmaiorano/parallel_travelling_salesman against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuelmaiorano%2Fparallel_travelling_salesman" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manuelmaiorano/parallel_travelling_salesman on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4-tc1/source/Cargo.toml [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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15aed085959e262eff00c4e0991241410b109c6bcd71ebb1f9a42c4b28d2b7df [INFO] running `Command { std: "docker" "start" "-a" "15aed085959e262eff00c4e0991241410b109c6bcd71ebb1f9a42c4b28d2b7df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15aed085959e262eff00c4e0991241410b109c6bcd71ebb1f9a42c4b28d2b7df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15aed085959e262eff00c4e0991241410b109c6bcd71ebb1f9a42c4b28d2b7df", kill_on_drop: false }` [INFO] [stdout] 15aed085959e262eff00c4e0991241410b109c6bcd71ebb1f9a42c4b28d2b7df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c035de8c94c6e738df8c3a7d711f3a49dde02f651d512d9329590667a4e4235 [INFO] running `Command { std: "docker" "start" "-a" "7c035de8c94c6e738df8c3a7d711f3a49dde02f651d512d9329590667a4e4235", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling matrixmultiply v0.3.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking 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 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 `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 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: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: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: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: 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 `dev` profile [unoptimized + debuginfo] target(s) in 4.54s [INFO] running `Command { std: "docker" "inspect" "7c035de8c94c6e738df8c3a7d711f3a49dde02f651d512d9329590667a4e4235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c035de8c94c6e738df8c3a7d711f3a49dde02f651d512d9329590667a4e4235", kill_on_drop: false }` [INFO] [stdout] 7c035de8c94c6e738df8c3a7d711f3a49dde02f651d512d9329590667a4e4235