[INFO] cloning repository https://github.com/sbeckeriv/mazerunner [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbeckeriv/mazerunner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fmazerunner", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fmazerunner'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 27980d232145c19f270d2bf0be527fbce89c3b84 [INFO] building sbeckeriv/mazerunner against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Fmazerunner" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sbeckeriv/mazerunner on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sbeckeriv/mazerunner [INFO] finished tweaking git repo https://github.com/sbeckeriv/mazerunner [INFO] tweaked toml for git repo https://github.com/sbeckeriv/mazerunner written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sbeckeriv/mazerunner 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b61f030654206963e6b27e4eb8a3b901344907cd7b1f635dd99a2f75cdb27a0 [INFO] running `Command { std: "docker" "start" "-a" "2b61f030654206963e6b27e4eb8a3b901344907cd7b1f635dd99a2f75cdb27a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b61f030654206963e6b27e4eb8a3b901344907cd7b1f635dd99a2f75cdb27a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b61f030654206963e6b27e4eb8a3b901344907cd7b1f635dd99a2f75cdb27a0", kill_on_drop: false }` [INFO] [stdout] 2b61f030654206963e6b27e4eb8a3b901344907cd7b1f635dd99a2f75cdb27a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98fe6ef944314b18291a64dd9649fe9f9472d0c7ddce57893bc100dc0b70c588 [INFO] running `Command { std: "docker" "start" "-a" "98fe6ef944314b18291a64dd9649fe9f9472d0c7ddce57893bc100dc0b70c588", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.0 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand_pcg v0.3.0 [INFO] [stderr] Compiling rand v0.8.0 [INFO] [stderr] Compiling mazerunner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `backtracker` is never used [INFO] [stdout] --> src/builder/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn backtracker(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hunt_and_kill` is never used [INFO] [stdout] --> src/builder/mod.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn hunt_and_kill(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `wilsons` is never used [INFO] [stdout] --> src/builder/mod.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn wilsons(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `aldous_broder` is never used [INFO] [stdout] --> src/builder/mod.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn aldous_broder(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sidewinder` is never used [INFO] [stdout] --> src/builder/mod.rs:182:8 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn sidewinder(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `row` and `column` are never read [INFO] [stdout] --> src/builder/grid.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Cell { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | pub row: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 16 | pub column: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cell` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `unlink` and `linked` are never used [INFO] [stdout] --> src/builder/grid.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Cell { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn unlink(&mut self, direction: LinkDirections) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn linked(self, direction: LinkDirections) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.87s [INFO] running `Command { std: "docker" "inspect" "98fe6ef944314b18291a64dd9649fe9f9472d0c7ddce57893bc100dc0b70c588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98fe6ef944314b18291a64dd9649fe9f9472d0c7ddce57893bc100dc0b70c588", kill_on_drop: false }` [INFO] [stdout] 98fe6ef944314b18291a64dd9649fe9f9472d0c7ddce57893bc100dc0b70c588 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a494dd7777727aa3d511b70c7db63ce6e98a60068cb6638241bc60c5874b147 [INFO] running `Command { std: "docker" "start" "-a" "1a494dd7777727aa3d511b70c7db63ce6e98a60068cb6638241bc60c5874b147", kill_on_drop: false }` [INFO] [stderr] Compiling mazerunner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `backtracker` is never used [INFO] [stdout] --> src/builder/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn backtracker(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hunt_and_kill` is never used [INFO] [stdout] --> src/builder/mod.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn hunt_and_kill(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `wilsons` is never used [INFO] [stdout] --> src/builder/mod.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn wilsons(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `aldous_broder` is never used [INFO] [stdout] --> src/builder/mod.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn aldous_broder(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sidewinder` is never used [INFO] [stdout] --> src/builder/mod.rs:182:8 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn sidewinder(base: &mut Grid) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `row` and `column` are never read [INFO] [stdout] --> src/builder/grid.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Cell { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | pub row: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 16 | pub column: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cell` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `unlink` and `linked` are never used [INFO] [stdout] --> src/builder/grid.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Cell { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn unlink(&mut self, direction: LinkDirections) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn linked(self, direction: LinkDirections) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "1a494dd7777727aa3d511b70c7db63ce6e98a60068cb6638241bc60c5874b147", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a494dd7777727aa3d511b70c7db63ce6e98a60068cb6638241bc60c5874b147", kill_on_drop: false }` [INFO] [stdout] 1a494dd7777727aa3d511b70c7db63ce6e98a60068cb6638241bc60c5874b147