[INFO] updating cached repository https://github.com/mpgarate/rust-fifteen-puzzle [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ecc1c4e0f50d6d7197aac0e18cc619f2fff226db [INFO] checking mpgarate/rust-fifteen-puzzle against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpgarate%2Frust-fifteen-puzzle" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mpgarate/rust-fifteen-puzzle on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mpgarate/rust-fifteen-puzzle [INFO] finished tweaking git repo https://github.com/mpgarate/rust-fifteen-puzzle [INFO] tweaked toml for git repo https://github.com/mpgarate/rust-fifteen-puzzle written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mpgarate/rust-fifteen-puzzle already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/passcod/cargo-watch` [INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/passcod/cargo-watch` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58fe5c5607860ed4e4c59cc2830f28befee36316d46502550c4a6ad5c1875dbc [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" "58fe5c5607860ed4e4c59cc2830f28befee36316d46502550c4a6ad5c1875dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58fe5c5607860ed4e4c59cc2830f28befee36316d46502550c4a6ad5c1875dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58fe5c5607860ed4e4c59cc2830f28befee36316d46502550c4a6ad5c1875dbc", kill_on_drop: false }` [INFO] [stdout] 58fe5c5607860ed4e4c59cc2830f28befee36316d46502550c4a6ad5c1875dbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5bb4967301d62a00f1fecd89f9bcb94d42b3b3a89e9b722826b1b79a43fe05b [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" "f5bb4967301d62a00f1fecd89f9bcb94d42b3b3a89e9b722826b1b79a43fe05b", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking filetime v0.2.10 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking globset v0.4.5 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Checking watchexec v1.14.0 [INFO] [stderr] Checking cargo-watch v7.5.0 (https://github.com/passcod/cargo-watch#9a337168) [INFO] [stderr] Checking fifteen_puzzle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solver.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | if (depth > 100000) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solver.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | if (depth > 100000) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver.rs:75:46 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn depth_limited_dfs(state: SolverState, mut depth: u64) -> Option> { [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: function is never used: `depth_limited_dfs` [INFO] [stdout] --> src/solver.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn depth_limited_dfs(state: SolverState, mut depth: u64) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve_idfs` [INFO] [stdout] --> src/solver.rs:118:8 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn solve_idfs(state: GameState) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver.rs:75:46 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn depth_limited_dfs(state: SolverState, mut depth: u64) -> Option> { [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "f5bb4967301d62a00f1fecd89f9bcb94d42b3b3a89e9b722826b1b79a43fe05b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5bb4967301d62a00f1fecd89f9bcb94d42b3b3a89e9b722826b1b79a43fe05b", kill_on_drop: false }` [INFO] [stdout] f5bb4967301d62a00f1fecd89f9bcb94d42b3b3a89e9b722826b1b79a43fe05b