[INFO] cloning repository https://github.com/ethangillengg/worm-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethangillengg/worm-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethangillengg%2Fworm-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethangillengg%2Fworm-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 682fafe4f9820dea0f48ae353512470fccf5a83e [INFO] checking ethangillengg/worm-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethangillengg%2Fworm-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ethangillengg/worm-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ethangillengg/worm-rs [INFO] finished tweaking git repo https://github.com/ethangillengg/worm-rs [INFO] tweaked toml for git repo https://github.com/ethangillengg/worm-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ethangillengg/worm-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b57b21d8954b511fc70522f066d422272ecd0a71f016c8cfd46009a13e8f7eb4 [INFO] running `Command { std: "docker" "start" "-a" "b57b21d8954b511fc70522f066d422272ecd0a71f016c8cfd46009a13e8f7eb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b57b21d8954b511fc70522f066d422272ecd0a71f016c8cfd46009a13e8f7eb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b57b21d8954b511fc70522f066d422272ecd0a71f016c8cfd46009a13e8f7eb4", kill_on_drop: false }` [INFO] [stdout] b57b21d8954b511fc70522f066d422272ecd0a71f016c8cfd46009a13e8f7eb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32b6f78e668abaa3ddb954a3a44b5b81f31d3defd71751f4a37336dadd63cee0 [INFO] running `Command { std: "docker" "start" "-a" "32b6f78e668abaa3ddb954a3a44b5b81f31d3defd71751f4a37336dadd63cee0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking clap_builder v4.4.6 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking clap v4.4.6 [INFO] [stderr] Checking worm-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `elapsed` is never read [INFO] [stdout] --> src/game.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut elapsed: Duration = Duration::from_millis(0); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sleep_duration` is never read [INFO] [stdout] --> src/game.rs:182:17 [INFO] [stdout] | [INFO] [stdout] 182 | let mut sleep_duration: Duration = Duration::from_millis(0); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o` [INFO] [stdout] --> src/game.rs:247:21 [INFO] [stdout] | [INFO] [stdout] 247 | let o = self.get_occupied_positions(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_o` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `elapsed` is never read [INFO] [stdout] --> src/game.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut elapsed: Duration = Duration::from_millis(0); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sleep_duration` is never read [INFO] [stdout] --> src/game.rs:182:17 [INFO] [stdout] | [INFO] [stdout] 182 | let mut sleep_duration: Duration = Duration::from_millis(0); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o` [INFO] [stdout] --> src/game.rs:247:21 [INFO] [stdout] | [INFO] [stdout] 247 | let o = self.get_occupied_positions(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_o` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stdout_lock` is never read [INFO] [stdout] --> src/game.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct Game<'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 76 | stdout_lock: AlternateScreen>>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stdout_lock` is never read [INFO] [stdout] --> src/game.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct Game<'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 76 | stdout_lock: AlternateScreen>>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.67s [INFO] running `Command { std: "docker" "inspect" "32b6f78e668abaa3ddb954a3a44b5b81f31d3defd71751f4a37336dadd63cee0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32b6f78e668abaa3ddb954a3a44b5b81f31d3defd71751f4a37336dadd63cee0", kill_on_drop: false }` [INFO] [stdout] 32b6f78e668abaa3ddb954a3a44b5b81f31d3defd71751f4a37336dadd63cee0 [INFO] checking ethangillengg/worm-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethangillengg%2Fworm-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ethangillengg/worm-rs on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ethangillengg/worm-rs [INFO] finished tweaking git repo https://github.com/ethangillengg/worm-rs [INFO] tweaked toml for git repo https://github.com/ethangillengg/worm-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ethangillengg/worm-rs 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d23055f6599c59f0b989c339c2727d2d4f52791b2a094b63a6087681d717dfa [INFO] running `Command { std: "docker" "start" "-a" "5d23055f6599c59f0b989c339c2727d2d4f52791b2a094b63a6087681d717dfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d23055f6599c59f0b989c339c2727d2d4f52791b2a094b63a6087681d717dfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d23055f6599c59f0b989c339c2727d2d4f52791b2a094b63a6087681d717dfa", kill_on_drop: false }` [INFO] [stdout] 5d23055f6599c59f0b989c339c2727d2d4f52791b2a094b63a6087681d717dfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9114db200701c94b42137f0e74c17ac9e069f3b306803a3afcd30f14ec8a4d78 [INFO] running `Command { std: "docker" "start" "-a" "9114db200701c94b42137f0e74c17ac9e069f3b306803a3afcd30f14ec8a4d78", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking clap_builder v4.4.6 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking clap v4.4.6 [INFO] [stderr] Checking worm-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `elapsed` is never read [INFO] [stdout] --> src/game.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut elapsed: Duration = Duration::from_millis(0); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sleep_duration` is never read [INFO] [stdout] --> src/game.rs:182:17 [INFO] [stdout] | [INFO] [stdout] 182 | let mut sleep_duration: Duration = Duration::from_millis(0); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o` [INFO] [stdout] --> src/game.rs:247:21 [INFO] [stdout] | [INFO] [stdout] 247 | let o = self.get_occupied_positions(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_o` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stdout_lock` is never read [INFO] [stdout] --> src/game.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct Game<'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 76 | stdout_lock: AlternateScreen>>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `elapsed` is never read [INFO] [stdout] --> src/game.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut elapsed: Duration = Duration::from_millis(0); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sleep_duration` is never read [INFO] [stdout] --> src/game.rs:182:17 [INFO] [stdout] | [INFO] [stdout] 182 | let mut sleep_duration: Duration = Duration::from_millis(0); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o` [INFO] [stdout] --> src/game.rs:247:21 [INFO] [stdout] | [INFO] [stdout] 247 | let o = self.get_occupied_positions(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_o` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stdout_lock` is never read [INFO] [stdout] --> src/game.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct Game<'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 76 | stdout_lock: AlternateScreen>>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.11s [INFO] running `Command { std: "docker" "inspect" "9114db200701c94b42137f0e74c17ac9e069f3b306803a3afcd30f14ec8a4d78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9114db200701c94b42137f0e74c17ac9e069f3b306803a3afcd30f14ec8a4d78", kill_on_drop: false }` [INFO] [stdout] 9114db200701c94b42137f0e74c17ac9e069f3b306803a3afcd30f14ec8a4d78