[INFO] fetching crate maggedik 0.1.0... [INFO] checking maggedik-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate maggedik 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate maggedik 0.1.0 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 crates.io crate maggedik 0.1.0 [INFO] finished tweaking crates.io crate maggedik 0.1.0 [INFO] tweaked toml for crates.io crate maggedik 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate maggedik 0.1.0 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] e7edc13dd1fc63ac42ecd9e81e19c7f5f0b16d451695723f7898c0b9a8fa75aa [INFO] running `Command { std: "docker" "start" "-a" "e7edc13dd1fc63ac42ecd9e81e19c7f5f0b16d451695723f7898c0b9a8fa75aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7edc13dd1fc63ac42ecd9e81e19c7f5f0b16d451695723f7898c0b9a8fa75aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7edc13dd1fc63ac42ecd9e81e19c7f5f0b16d451695723f7898c0b9a8fa75aa", kill_on_drop: false }` [INFO] [stdout] e7edc13dd1fc63ac42ecd9e81e19c7f5f0b16d451695723f7898c0b9a8fa75aa [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] b696b93121496f865806fb308fa35abfa4e99ae2a9c7cc52cd113ae7cbcf0e1f [INFO] running `Command { std: "docker" "start" "-a" "b696b93121496f865806fb308fa35abfa4e99ae2a9c7cc52cd113ae7cbcf0e1f", kill_on_drop: false }` [INFO] [stderr] Checking maggedik v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/library/helper.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | / CONF.get_or_insert_with(|| { [INFO] [stdout] 13 | | Arc::new(File::create(Path::new(source)).unwrap_or_else(|err| { [INFO] [stdout] 14 | | eprintln!("{}", err.to_string()); [INFO] [stdout] 15 | | process::exit(0); [INFO] [stdout] 16 | | })) [INFO] [stdout] 17 | | }) [INFO] [stdout] | |__________^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/library/helper.rs:37:14 [INFO] [stdout] | [INFO] [stdout] 37 | unsafe { BUF.get_or_insert_with(|| BufReader::new(file_ops(source)).lines()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "b696b93121496f865806fb308fa35abfa4e99ae2a9c7cc52cd113ae7cbcf0e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b696b93121496f865806fb308fa35abfa4e99ae2a9c7cc52cd113ae7cbcf0e1f", kill_on_drop: false }` [INFO] [stdout] b696b93121496f865806fb308fa35abfa4e99ae2a9c7cc52cd113ae7cbcf0e1f