[INFO] cloning repository https://github.com/Christian-Schefe/automata [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Christian-Schefe/automata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristian-Schefe%2Fautomata", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristian-Schefe%2Fautomata'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac95e3c96406276b15eb24e3b7bf42553c279d5b [INFO] checking Christian-Schefe/automata/ac95e3c96406276b15eb24e3b7bf42553c279d5b against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristian-Schefe%2Fautomata" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Christian-Schefe/automata on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Christian-Schefe/automata [INFO] finished tweaking git repo https://github.com/Christian-Schefe/automata [INFO] tweaked toml for git repo https://github.com/Christian-Schefe/automata written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Christian-Schefe/automata 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9c52d08532f13c1f460a1c8d0bb20603e8d747d0a63266e7d35ebf7f401e9ac4 [INFO] running `Command { std: "docker" "start" "-a" "9c52d08532f13c1f460a1c8d0bb20603e8d747d0a63266e7d35ebf7f401e9ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c52d08532f13c1f460a1c8d0bb20603e8d747d0a63266e7d35ebf7f401e9ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c52d08532f13c1f460a1c8d0bb20603e8d747d0a63266e7d35ebf7f401e9ac4", kill_on_drop: false }` [INFO] [stdout] 9c52d08532f13c1f460a1c8d0bb20603e8d747d0a63266e7d35ebf7f401e9ac4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98925a97f0bec71e19837d333fadf6055b237c9f6ba0be21cb07e06b8deef34c [INFO] running `Command { std: "docker" "start" "-a" "98925a97f0bec71e19837d333fadf6055b237c9f6ba0be21cb07e06b8deef34c", kill_on_drop: false }` [INFO] [stderr] Checking automata v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::dea::DEA` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::dea::DEA; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::dea::DEA` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::dea::DEA; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let mut dea = read_dea(arg)?; [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let mut dea = read_dea(arg)?; [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: struct `NEA` is never constructed [INFO] [stdout] --> src/nea.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NEA { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/nea.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 15 | / impl NEA [INFO] [stdout] 16 | | where [INFO] [stdout] 17 | | ST: Eq + Hash + Clone + Ord + Debug, [INFO] [stdout] 18 | | LT: Eq + Hash + Clone + Debug, [INFO] [stdout] | |__________________________________- associated items in this implementation [INFO] [stdout] 19 | { [INFO] [stdout] 20 | pub fn new>(start_states: impl IntoIterator) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn add_final_state>(&mut self, state: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn add_transition, S: Into>( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn from_transitions, S: Into>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn simulate, S: Into>( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn accepts>(&self, word: impl IntoIterator) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn to_dea(&self, state_transformer: FN) -> DEA [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | fn get_new_states, S: Into>( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NEA` is never constructed [INFO] [stdout] --> src/nea.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NEA { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/nea.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 15 | / impl NEA [INFO] [stdout] 16 | | where [INFO] [stdout] 17 | | ST: Eq + Hash + Clone + Ord + Debug, [INFO] [stdout] 18 | | LT: Eq + Hash + Clone + Debug, [INFO] [stdout] | |__________________________________- associated items in this implementation [INFO] [stdout] 19 | { [INFO] [stdout] 20 | pub fn new>(start_states: impl IntoIterator) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn add_final_state>(&mut self, state: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn add_transition, S: Into>( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn from_transitions, S: Into>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn simulate, S: Into>( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn accepts>(&self, word: impl IntoIterator) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn to_dea(&self, state_transformer: FN) -> DEA [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | fn get_new_states, S: Into>( [INFO] [stdout] | ^^^^^^^^^^^^^^ [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 0.12s [INFO] running `Command { std: "docker" "inspect" "98925a97f0bec71e19837d333fadf6055b237c9f6ba0be21cb07e06b8deef34c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98925a97f0bec71e19837d333fadf6055b237c9f6ba0be21cb07e06b8deef34c", kill_on_drop: false }` [INFO] [stdout] 98925a97f0bec71e19837d333fadf6055b237c9f6ba0be21cb07e06b8deef34c