[INFO] fetching crate trashcan 0.1.0... [INFO] checking trashcan-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate trashcan 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate trashcan 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 trashcan 0.1.0 [INFO] finished tweaking crates.io crate trashcan 0.1.0 [INFO] tweaked toml for crates.io crate trashcan 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5eb785b64c17072f8b8384b849c11d54639b4e2c7372e97caa9fe6ffe35f490d [INFO] running `Command { std: "docker" "start" "-a" "5eb785b64c17072f8b8384b849c11d54639b4e2c7372e97caa9fe6ffe35f490d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5eb785b64c17072f8b8384b849c11d54639b4e2c7372e97caa9fe6ffe35f490d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eb785b64c17072f8b8384b849c11d54639b4e2c7372e97caa9fe6ffe35f490d", kill_on_drop: false }` [INFO] [stdout] 5eb785b64c17072f8b8384b849c11d54639b4e2c7372e97caa9fe6ffe35f490d [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea1dbd49ef624553a8e7457a5684d1ac5d6cbdbdf3405318499821dae18ed58c [INFO] running `Command { std: "docker" "start" "-a" "ea1dbd49ef624553a8e7457a5684d1ac5d6cbdbdf3405318499821dae18ed58c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking trashcan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `expect_parse` [INFO] [stdout] --> src/parser/mod.rs:100:14 [INFO] [stdout] | [INFO] [stdout] 100 | macro_rules! expect_parse { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `expect_parse_err` [INFO] [stdout] --> src/parser/mod.rs:112:14 [INFO] [stdout] | [INFO] [stdout] 112 | macro_rules! expect_parse_err { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `expect_parse_cut` [INFO] [stdout] --> src/parser/mod.rs:124:14 [INFO] [stdout] | [INFO] [stdout] 124 | macro_rules! expect_parse_cut { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:291:42 [INFO] [stdout] | [INFO] [stdout] 290 | pub fn opt<'a, F, R>(input: &'a [u8], parser: F) -> CutParseResult> [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 291 | where F: Fn(&'a [u8]) -> CutParseResult { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:290:67 [INFO] [stdout] | [INFO] [stdout] 290 | pub fn opt<'a, F, R>(input: &'a [u8], parser: F) -> CutParseResult> [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:319:42 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn many<'a, F, R>(input: &'a [u8], parser: F) -> CutParseResult> [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 319 | where F: Fn(&'a [u8]) -> CutParseResult { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:318:68 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn many<'a, F, R>(input: &'a [u8], parser: F) -> CutParseResult> [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:347:42 [INFO] [stdout] | [INFO] [stdout] 345 | pub fn at_least_one<'a, F, R>(input: &'a [u8], parser: F) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 346 | -> CutParseResult> [INFO] [stdout] 347 | where F: Fn(&'a [u8]) -> CutParseResult { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:346:20 [INFO] [stdout] | [INFO] [stdout] 345 | pub fn at_least_one<'a, F, R>(input: &'a [u8], parser: F) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 346 | -> CutParseResult> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:360:42 [INFO] [stdout] | [INFO] [stdout] 358 | pub fn delimited<'a, F, R, D, _R>(input: &'a [u8], parser: F, delim_parser: D) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 359 | -> CutParseResult> [INFO] [stdout] 360 | where F: Fn(&'a [u8]) -> CutParseResult, [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:361:42 [INFO] [stdout] | [INFO] [stdout] 358 | pub fn delimited<'a, F, R, D, _R>(input: &'a [u8], parser: F, delim_parser: D) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 361 | D: Fn(&'a [u8]) -> CutParseResult<_R> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:359:20 [INFO] [stdout] | [INFO] [stdout] 358 | pub fn delimited<'a, F, R, D, _R>(input: &'a [u8], parser: F, delim_parser: D) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 359 | -> CutParseResult> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:383:42 [INFO] [stdout] | [INFO] [stdout] 381 | pub fn delimited_at_least_one<'a, F, R, D, _R>(input: &'a [u8], parser: F, [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 382 | delim_parser: D) -> CutParseResult> [INFO] [stdout] 383 | where F: Fn(&'a [u8]) -> CutParseResult, [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:384:42 [INFO] [stdout] | [INFO] [stdout] 381 | pub fn delimited_at_least_one<'a, F, R, D, _R>(input: &'a [u8], parser: F, [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 384 | D: Fn(&'a [u8]) -> CutParseResult<_R> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:382:37 [INFO] [stdout] | [INFO] [stdout] 381 | pub fn delimited_at_least_one<'a, F, R, D, _R>(input: &'a [u8], parser: F, [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 382 | delim_parser: D) -> CutParseResult> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:291:42 [INFO] [stdout] | [INFO] [stdout] 290 | pub fn opt<'a, F, R>(input: &'a [u8], parser: F) -> CutParseResult> [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 291 | where F: Fn(&'a [u8]) -> CutParseResult { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:290:67 [INFO] [stdout] | [INFO] [stdout] 290 | pub fn opt<'a, F, R>(input: &'a [u8], parser: F) -> CutParseResult> [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:319:42 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn many<'a, F, R>(input: &'a [u8], parser: F) -> CutParseResult> [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 319 | where F: Fn(&'a [u8]) -> CutParseResult { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:318:68 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn many<'a, F, R>(input: &'a [u8], parser: F) -> CutParseResult> [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:347:42 [INFO] [stdout] | [INFO] [stdout] 345 | pub fn at_least_one<'a, F, R>(input: &'a [u8], parser: F) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 346 | -> CutParseResult> [INFO] [stdout] 347 | where F: Fn(&'a [u8]) -> CutParseResult { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:346:20 [INFO] [stdout] | [INFO] [stdout] 345 | pub fn at_least_one<'a, F, R>(input: &'a [u8], parser: F) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 346 | -> CutParseResult> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:360:42 [INFO] [stdout] | [INFO] [stdout] 358 | pub fn delimited<'a, F, R, D, _R>(input: &'a [u8], parser: F, delim_parser: D) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 359 | -> CutParseResult> [INFO] [stdout] 360 | where F: Fn(&'a [u8]) -> CutParseResult, [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:361:42 [INFO] [stdout] | [INFO] [stdout] 358 | pub fn delimited<'a, F, R, D, _R>(input: &'a [u8], parser: F, delim_parser: D) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 361 | D: Fn(&'a [u8]) -> CutParseResult<_R> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:359:20 [INFO] [stdout] | [INFO] [stdout] 358 | pub fn delimited<'a, F, R, D, _R>(input: &'a [u8], parser: F, delim_parser: D) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 359 | -> CutParseResult> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:383:42 [INFO] [stdout] | [INFO] [stdout] 381 | pub fn delimited_at_least_one<'a, F, R, D, _R>(input: &'a [u8], parser: F, [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 382 | delim_parser: D) -> CutParseResult> [INFO] [stdout] 383 | where F: Fn(&'a [u8]) -> CutParseResult, [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:384:42 [INFO] [stdout] | [INFO] [stdout] 381 | pub fn delimited_at_least_one<'a, F, R, D, _R>(input: &'a [u8], parser: F, [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 384 | D: Fn(&'a [u8]) -> CutParseResult<_R> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/parser/bits.rs:382:37 [INFO] [stdout] | [INFO] [stdout] 381 | pub fn delimited_at_least_one<'a, F, R, D, _R>(input: &'a [u8], parser: F, [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 382 | delim_parser: D) -> CutParseResult> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/transform/gensym.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | let num = unsafe { GENSYM_ID.fetch_add(1, Ordering::Relaxed) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/transform/gensym.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | let num = unsafe { GENSYM_ID.fetch_add(1, Ordering::Relaxed) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s [INFO] running `Command { std: "docker" "inspect" "ea1dbd49ef624553a8e7457a5684d1ac5d6cbdbdf3405318499821dae18ed58c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea1dbd49ef624553a8e7457a5684d1ac5d6cbdbdf3405318499821dae18ed58c", kill_on_drop: false }` [INFO] [stdout] ea1dbd49ef624553a8e7457a5684d1ac5d6cbdbdf3405318499821dae18ed58c