[INFO] cloning repository https://github.com/CrackTheCode016/super-simple-state-machines [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrackTheCode016/super-simple-state-machines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrackTheCode016%2Fsuper-simple-state-machines", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrackTheCode016%2Fsuper-simple-state-machines'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7f31a4d6ce832c98d31c7ec8346ec07773ac5d9e [INFO] checking CrackTheCode016/super-simple-state-machines/7f31a4d6ce832c98d31c7ec8346ec07773ac5d9e against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrackTheCode016%2Fsuper-simple-state-machines" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CrackTheCode016/super-simple-state-machines on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CrackTheCode016/super-simple-state-machines [INFO] finished tweaking git repo https://github.com/CrackTheCode016/super-simple-state-machines [INFO] tweaked toml for git repo https://github.com/CrackTheCode016/super-simple-state-machines written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/CrackTheCode016/super-simple-state-machines 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5edaba07930de539c9a8886ca9b5c33b0debe4a186054be08e3bcd6643811bfa [INFO] running `Command { std: "docker" "start" "-a" "5edaba07930de539c9a8886ca9b5c33b0debe4a186054be08e3bcd6643811bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5edaba07930de539c9a8886ca9b5c33b0debe4a186054be08e3bcd6643811bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5edaba07930de539c9a8886ca9b5c33b0debe4a186054be08e3bcd6643811bfa", kill_on_drop: false }` [INFO] [stdout] 5edaba07930de539c9a8886ca9b5c33b0debe4a186054be08e3bcd6643811bfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51e09f1f4eacea36683ea6b2815d29d22c3e5eb2aad2c8d65e6287800d10dc89 [INFO] running `Command { std: "docker" "start" "-a" "51e09f1f4eacea36683ea6b2815d29d22c3e5eb2aad2c8d65e6287800d10dc89", kill_on_drop: false }` [INFO] [stderr] Checking super-simple-state-machines v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `revert` is never used [INFO] [stdout] --> src/generic_types.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub trait FiniteStateMachine { [INFO] [stdout] | ------------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 23 | fn revert(&mut self); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `revert` is never used [INFO] [stdout] --> src/generic_types.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub trait FiniteStateMachine { [INFO] [stdout] | ------------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 23 | fn revert(&mut self); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `status` is never used [INFO] [stdout] --> src/generic_types.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub trait Peer { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 44 | fn status(&self) -> &Self::Status; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "51e09f1f4eacea36683ea6b2815d29d22c3e5eb2aad2c8d65e6287800d10dc89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51e09f1f4eacea36683ea6b2815d29d22c3e5eb2aad2c8d65e6287800d10dc89", kill_on_drop: false }` [INFO] [stdout] 51e09f1f4eacea36683ea6b2815d29d22c3e5eb2aad2c8d65e6287800d10dc89