[INFO] cloning repository https://github.com/cambyse/cross_me_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cambyse/cross_me_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcambyse%2Fcross_me_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcambyse%2Fcross_me_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e807cb87adbeba45f63e225013818a7f25cf454a [INFO] checking cambyse/cross_me_solver against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcambyse%2Fcross_me_solver" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cambyse/cross_me_solver on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cambyse/cross_me_solver [INFO] finished tweaking git repo https://github.com/cambyse/cross_me_solver [INFO] tweaked toml for git repo https://github.com/cambyse/cross_me_solver written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/cambyse/cross_me_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndarray v0.15.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 922f9048576b07b5899439909799c04f368b1cbf5845d7a445bf0a1b20751603 [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" "922f9048576b07b5899439909799c04f368b1cbf5845d7a445bf0a1b20751603", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "922f9048576b07b5899439909799c04f368b1cbf5845d7a445bf0a1b20751603", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "922f9048576b07b5899439909799c04f368b1cbf5845d7a445bf0a1b20751603", kill_on_drop: false }` [INFO] [stdout] 922f9048576b07b5899439909799c04f368b1cbf5845d7a445bf0a1b20751603 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96f72ad103b7a486f47f6b3114357ab43b0d7dba332cb2a989470d79a73c0864 [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" "96f72ad103b7a486f47f6b3114357ab43b0d7dba332cb2a989470d79a73c0864", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking matrixmultiply v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking ndarray v0.15.3 [INFO] [stderr] Checking cross_me_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::prelude::*` [INFO] [stdout] --> src/problems.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/problems.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::vec::Vec` [INFO] [stdout] --> src/problems.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/problems.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:129:55 [INFO] [stdout] | [INFO] [stdout] 129 | (0, 1) => { n_filled+=1; islands.push(1); last = state[i]}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:130:26 [INFO] [stdout] | [INFO] [stdout] 130 | (0, -1) => { last = state[i]; }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:132:72 [INFO] [stdout] | [INFO] [stdout] 132 | (1, 1) => { n_filled +=1; *islands.last_mut().unwrap()+=1; last = state[i];}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:133:26 [INFO] [stdout] | [INFO] [stdout] 133 | (1, -1) => { last = state[i]; }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:134:56 [INFO] [stdout] | [INFO] [stdout] 134 | (-1, 1) => { n_filled+=1; islands.push(1); last = state[i]; }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:136:27 [INFO] [stdout] | [INFO] [stdout] 136 | (-1, -1) => { last = state[i];}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::prelude::*` [INFO] [stdout] --> src/problems.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/problems.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::vec::Vec` [INFO] [stdout] --> src/problems.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/problems.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solver.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn new(n_filled: usize, islands: Vec, n_unknown:usize) -> Features { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ortho_state` [INFO] [stdout] --> src/solver.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | ortho_state: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ortho_features` [INFO] [stdout] --> src/solver.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | ortho_features: Features [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_node` [INFO] [stdout] --> src/solver.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn print_node(node: &Node) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:129:55 [INFO] [stdout] | [INFO] [stdout] 129 | (0, 1) => { n_filled+=1; islands.push(1); last = state[i]}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:130:26 [INFO] [stdout] | [INFO] [stdout] 130 | (0, -1) => { last = state[i]; }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:132:72 [INFO] [stdout] | [INFO] [stdout] 132 | (1, 1) => { n_filled +=1; *islands.last_mut().unwrap()+=1; last = state[i];}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:133:26 [INFO] [stdout] | [INFO] [stdout] 133 | (1, -1) => { last = state[i]; }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:134:56 [INFO] [stdout] | [INFO] [stdout] 134 | (-1, 1) => { n_filled+=1; islands.push(1); last = state[i]; }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last` is never read [INFO] [stdout] --> src/solver.rs:136:27 [INFO] [stdout] | [INFO] [stdout] 136 | (-1, -1) => { last = state[i];}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ortho_state` [INFO] [stdout] --> src/solver.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | ortho_state: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ortho_features` [INFO] [stdout] --> src/solver.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | ortho_features: Features [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_node` [INFO] [stdout] --> src/solver.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn print_node(node: &Node) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.49s [INFO] running `Command { std: "docker" "inspect" "96f72ad103b7a486f47f6b3114357ab43b0d7dba332cb2a989470d79a73c0864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96f72ad103b7a486f47f6b3114357ab43b0d7dba332cb2a989470d79a73c0864", kill_on_drop: false }` [INFO] [stdout] 96f72ad103b7a486f47f6b3114357ab43b0d7dba332cb2a989470d79a73c0864