[INFO] updating cached repository https://github.com/ycatbink0t/AntAlg [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4fb45700c3288ec968a8722e7d46950260530c84 [INFO] checking ycatbink0t/AntAlg against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2FAntAlg" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ycatbink0t/AntAlg on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368 [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ycatbink0t/AntAlg [INFO] finished tweaking git repo https://github.com/ycatbink0t/AntAlg [INFO] tweaked toml for git repo https://github.com/ycatbink0t/AntAlg written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ycatbink0t/AntAlg already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 25e1cf7513a1894dc749015cbde2e0d927ca3775ea3924285352609701bc450a [INFO] running `"docker" "start" "-a" "25e1cf7513a1894dc749015cbde2e0d927ca3775ea3924285352609701bc450a"` [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking AntAlg v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::cmp::min` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::cmp::min; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::min` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::cmp::min; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `g` is never read [INFO] [stderr] --> src/main.rs:127:13 [INFO] [stderr] | [INFO] [stderr] 127 | g = &(g * (1.0 - config.ro)); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `g` is never read [INFO] [stderr] --> src/main.rs:127:13 [INFO] [stderr] | [INFO] [stderr] 127 | g = &(g * (1.0 - config.ro)); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `visited_targets_counter` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:93:25 [INFO] [stderr] | [INFO] [stderr] 92 | if let Some(v) = visited_targets_counter.get(&mut i) { [INFO] [stderr] | ----------------------- immutable borrow occurs here [INFO] [stderr] 93 | visited_targets_counter.insert(i, *v + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ -- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `visited_targets_counter` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:93:25 [INFO] [stderr] | [INFO] [stderr] 92 | if let Some(v) = visited_targets_counter.get(&mut i) { [INFO] [stderr] | ----------------------- immutable borrow occurs here [INFO] [stderr] 93 | visited_targets_counter.insert(i, *v + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ -- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:211:9 [INFO] [stderr] | [INFO] [stderr] 211 | let mut pheromones_mat = Arc::new(Mutex::new(vec![vec![1.0; weight_mat.len()]; weight_mat.len()])); [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/main.rs:211:9 [INFO] [stderr] | [INFO] [stderr] 211 | let mut pheromones_mat = Arc::new(Mutex::new(vec![vec![1.0; weight_mat.len()]; weight_mat.len()])); [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: function is never used: `get_possibly_shortest_way_sync` [INFO] [stderr] --> src/main.rs:132:4 [INFO] [stderr] | [INFO] [stderr] 132 | fn get_possibly_shortest_way_sync(weight_mat: Vec>, config: &Config, start_point: i32, targets: Vec) -> (Vec, f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_possibly_shortest_way_threads` [INFO] [stderr] --> src/main.rs:157:4 [INFO] [stderr] | [INFO] [stderr] 157 | fn get_possibly_shortest_way_threads(weight_mat: Vec>, config: &'static Config, start_point: i32, targets: Vec) -> (Vec, f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `AntAlg` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `ant_alg` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_possibly_shortest_way_sync` [INFO] [stderr] --> src/main.rs:132:4 [INFO] [stderr] | [INFO] [stderr] 132 | fn get_possibly_shortest_way_sync(weight_mat: Vec>, config: &Config, start_point: i32, targets: Vec) -> (Vec, f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_possibly_shortest_way_threads` [INFO] [stderr] --> src/main.rs:157:4 [INFO] [stderr] | [INFO] [stderr] 157 | fn get_possibly_shortest_way_threads(weight_mat: Vec>, config: &'static Config, start_point: i32, targets: Vec) -> (Vec, f64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `AntAlg` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `ant_alg` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.65s [INFO] running `"docker" "inspect" "25e1cf7513a1894dc749015cbde2e0d927ca3775ea3924285352609701bc450a"` [INFO] running `"docker" "rm" "-f" "25e1cf7513a1894dc749015cbde2e0d927ca3775ea3924285352609701bc450a"` [INFO] [stdout] 25e1cf7513a1894dc749015cbde2e0d927ca3775ea3924285352609701bc450a