[INFO] cloning repository https://github.com/ycatbink0t/AntAlg [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/AntAlg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2FAntAlg"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2FAntAlg'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bb0bce9c1d8ca55f459d113c477b7c7df61e0656 [INFO] checking ycatbink0t/AntAlg against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2FAntAlg" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ycatbink0t/AntAlg on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68 [INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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-10/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2d7209c7255fab7451ac9384de0792179c56300654157a40ffa1925c8322968e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "2d7209c7255fab7451ac9384de0792179c56300654157a40ffa1925c8322968e"` [INFO] [stderr] Checking AntAlg v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `g` is never read [INFO] [stderr] --> src/main.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | 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: unused variable: `ant` [INFO] [stderr] --> src/main.rs:169:25 [INFO] [stderr] | [INFO] [stderr] 169 | let mut ant = ant.lock().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ant` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `td` [INFO] [stderr] --> src/main.rs:168:17 [INFO] [stderr] | [INFO] [stderr] 168 | let td = thread::spawn(move || { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_td` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start_point` [INFO] [stderr] --> src/main.rs:155:90 [INFO] [stderr] | [INFO] [stderr] 155 | fn get_possibly_shortest_way_threads(weight_mat: Vec>, config: &'static Config, start_point: i32, targets: Vec) -> (Vec, f64) { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_start_point` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `targets` [INFO] [stderr] --> src/main.rs:155:108 [INFO] [stderr] | [INFO] [stderr] 155 | fn get_possibly_shortest_way_threads(weight_mat: Vec>, config: &'static Config, start_point: i32, targets: Vec) -> (Vec, f64) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_targets` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `visited_targets_counter` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:91:25 [INFO] [stderr] | [INFO] [stderr] 90 | if let Some(v) = visited_targets_counter.get(&i) { [INFO] [stderr] | ----------------------- immutable borrow occurs here [INFO] [stderr] 91 | 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:169:21 [INFO] [stderr] | [INFO] [stderr] 169 | let mut ant = ant.lock().unwrap(); [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:159:9 [INFO] [stderr] | [INFO] [stderr] 159 | let mut ants: &'static Vec>> = &mut Vec::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | let mut tds: Vec> = Vec::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:167:13 [INFO] [stderr] | [INFO] [stderr] 167 | for mut ant in ants { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error[E0716]: temporary value dropped while borrowed [INFO] [stderr] --> src/main.rs:159:56 [INFO] [stderr] | [INFO] [stderr] 159 | let mut ants: &'static Vec>> = &mut Vec::new(); [INFO] [stderr] | ----------------------------- ^^^^^^^^^^ creates a temporary which is freed while still in use [INFO] [stderr] | | [INFO] [stderr] | type annotation requires that borrow lasts for `'static` [INFO] [stderr] ... [INFO] [stderr] 188 | } [INFO] [stderr] | - temporary value is freed at the end of this statement [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `*ants` as mutable, as it is behind a `&` reference [INFO] [stderr] --> src/main.rs:161:9 [INFO] [stderr] | [INFO] [stderr] 159 | let mut ants: &'static Vec>> = &mut Vec::new(); [INFO] [stderr] | --------------- help: consider changing this to be a mutable reference: `&mut mut Vec::new()` [INFO] [stderr] 160 | for _ in 0..config.ant_num { [INFO] [stderr] 161 | (*ants).push(Arc::new(Mutex::new(Ant::new(&config)))); [INFO] [stderr] | ^^^^^^^ `ants` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0596, E0716. [INFO] [stderr] For more information about an error, try `rustc --explain E0596`. [INFO] [stderr] error: could not compile `AntAlg`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: value assigned to `g` is never read [INFO] [stderr] --> src/main.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | 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: unused variable: `ant` [INFO] [stderr] --> src/main.rs:169:25 [INFO] [stderr] | [INFO] [stderr] 169 | let mut ant = ant.lock().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ant` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `td` [INFO] [stderr] --> src/main.rs:168:17 [INFO] [stderr] | [INFO] [stderr] 168 | let td = thread::spawn(move || { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_td` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start_point` [INFO] [stderr] --> src/main.rs:155:90 [INFO] [stderr] | [INFO] [stderr] 155 | fn get_possibly_shortest_way_threads(weight_mat: Vec>, config: &'static Config, start_point: i32, targets: Vec) -> (Vec, f64) { [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_start_point` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `targets` [INFO] [stderr] --> src/main.rs:155:108 [INFO] [stderr] | [INFO] [stderr] 155 | fn get_possibly_shortest_way_threads(weight_mat: Vec>, config: &'static Config, start_point: i32, targets: Vec) -> (Vec, f64) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_targets` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `visited_targets_counter` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:91:25 [INFO] [stderr] | [INFO] [stderr] 90 | if let Some(v) = visited_targets_counter.get(&i) { [INFO] [stderr] | ----------------------- immutable borrow occurs here [INFO] [stderr] 91 | 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:169:21 [INFO] [stderr] | [INFO] [stderr] 169 | let mut ant = ant.lock().unwrap(); [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:159:9 [INFO] [stderr] | [INFO] [stderr] 159 | let mut ants: &'static Vec>> = &mut Vec::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | let mut tds: Vec> = Vec::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:167:13 [INFO] [stderr] | [INFO] [stderr] 167 | for mut ant in ants { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error[E0716]: temporary value dropped while borrowed [INFO] [stderr] --> src/main.rs:159:56 [INFO] [stderr] | [INFO] [stderr] 159 | let mut ants: &'static Vec>> = &mut Vec::new(); [INFO] [stderr] | ----------------------------- ^^^^^^^^^^ creates a temporary which is freed while still in use [INFO] [stderr] | | [INFO] [stderr] | type annotation requires that borrow lasts for `'static` [INFO] [stderr] ... [INFO] [stderr] 188 | } [INFO] [stderr] | - temporary value is freed at the end of this statement [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `*ants` as mutable, as it is behind a `&` reference [INFO] [stderr] --> src/main.rs:161:9 [INFO] [stderr] | [INFO] [stderr] 159 | let mut ants: &'static Vec>> = &mut Vec::new(); [INFO] [stderr] | --------------- help: consider changing this to be a mutable reference: `&mut mut Vec::new()` [INFO] [stderr] 160 | for _ in 0..config.ant_num { [INFO] [stderr] 161 | (*ants).push(Arc::new(Mutex::new(Ant::new(&config)))); [INFO] [stderr] | ^^^^^^^ `ants` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0596, E0716. [INFO] [stderr] For more information about an error, try `rustc --explain E0596`. [INFO] [stderr] error: could not compile `AntAlg`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "2d7209c7255fab7451ac9384de0792179c56300654157a40ffa1925c8322968e"` [INFO] running `"docker" "rm" "-f" "2d7209c7255fab7451ac9384de0792179c56300654157a40ffa1925c8322968e"` [INFO] [stdout] 2d7209c7255fab7451ac9384de0792179c56300654157a40ffa1925c8322968e