[INFO] fetching crate rflex 0.8.0... [INFO] checking rflex-0.8.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate rflex 0.8.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate rflex 0.8.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rflex 0.8.0 [INFO] finished tweaking crates.io crate rflex 0.8.0 [INFO] tweaked toml for crates.io crate rflex 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate rflex 0.8.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded liquid-interpreter v0.17.1 [INFO] [stderr] Downloaded liquid-compiler v0.17.1 [INFO] [stderr] Downloaded liquid-error v0.16.1 [INFO] [stderr] Downloaded liquid-value v0.17.1 [INFO] [stderr] Downloaded liquid v0.17.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 64fc2b9b400c769d6dce841643c4b951333b83d1f9e7e0a3d27fc8667be71f6f [INFO] running `Command { std: "docker" "start" "-a" "64fc2b9b400c769d6dce841643c4b951333b83d1f9e7e0a3d27fc8667be71f6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64fc2b9b400c769d6dce841643c4b951333b83d1f9e7e0a3d27fc8667be71f6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64fc2b9b400c769d6dce841643c4b951333b83d1f9e7e0a3d27fc8667be71f6f", kill_on_drop: false }` [INFO] [stdout] 64fc2b9b400c769d6dce841643c4b951333b83d1f9e7e0a3d27fc8667be71f6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfceaf7616285c4388847882d7ffc5c81c884a6b7c59d4c1743080ef438794d2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bfceaf7616285c4388847882d7ffc5c81c884a6b7c59d4c1743080ef438794d2", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking liquid-error v0.16.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde v1.0.117 [INFO] [stderr] Checking liquid-value v0.17.1 [INFO] [stderr] Checking liquid-interpreter v0.17.1 [INFO] [stderr] Checking liquid-compiler v0.17.1 [INFO] [stderr] Checking liquid v0.17.1 [INFO] [stderr] Checking rflex v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `set_end` [INFO] [stdout] --> src/charclasses.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn set_end(&mut self, end: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_start` [INFO] [stdout] --> src/charclasses.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn set_start(&mut self, start: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_char` [INFO] [stdout] --> src/charclasses.rs:155:12 [INFO] [stdout] | [INFO] [stdout] 155 | pub fn add_char(&mut self, c: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_max_char_code` [INFO] [stdout] --> src/charclasses.rs:396:12 [INFO] [stdout] | [INFO] [stdout] 396 | pub fn get_max_char_code(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_max_char_code` [INFO] [stdout] --> src/charclasses.rs:400:12 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn set_max_char_code(&mut self, max_char_code: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_string_i` [INFO] [stdout] --> src/charclasses.rs:511:12 [INFO] [stdout] | [INFO] [stdout] 511 | pub fn to_string_i(&self, index: usize) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_dot` [INFO] [stdout] --> src/dfa.rs:480:12 [INFO] [stdout] | [INFO] [stdout] 480 | pub fn write_dot(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump` [INFO] [stdout] --> src/dfa.rs:503:12 [INFO] [stdout] | [INFO] [stdout] 503 | pub fn dump(&self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump_epsilon` [INFO] [stdout] --> src/nfa.rs:528:8 [INFO] [stdout] | [INFO] [stdout] 528 | fn dump_epsilon(&self, epsilon: Vec>>>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/nfa.rs:527:12 [INFO] [stdout] | [INFO] [stdout] 527 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump_fixedbit` [INFO] [stdout] --> src/nfa.rs:542:8 [INFO] [stdout] | [INFO] [stdout] 542 | fn dump_fixedbit(&self, v: &FixedBitSet) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/nfa.rs:541:12 [INFO] [stdout] | [INFO] [stdout] 541 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump_fixedbit_str` [INFO] [stdout] --> src/nfa.rs:546:8 [INFO] [stdout] | [INFO] [stdout] 546 | fn dump_fixedbit_str(&self, v: &FixedBitSet) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_dot` [INFO] [stdout] --> src/nfa.rs:559:12 [INFO] [stdout] | [INFO] [stdout] 559 | pub fn write_dot(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump_table` [INFO] [stdout] --> src/nfa.rs:594:12 [INFO] [stdout] | [INFO] [stdout] 594 | pub fn dump_table(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Name` [INFO] [stdout] --> src/scanner.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | Name(String), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_char_classes` [INFO] [stdout] --> src/scanner.rs:354:12 [INFO] [stdout] | [INFO] [stdout] 354 | pub fn get_char_classes(&self) -> CharClasses { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_regex` [INFO] [stdout] --> src/scanner.rs:584:4 [INFO] [stdout] | [INFO] [stdout] 584 | fn parse_regex(line_num: usize, line: &String) -> Result<(IR, String), TranslateError> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `num` [INFO] [stdout] --> src/scanner.rs:681:12 [INFO] [stdout] | [INFO] [stdout] 681 | pub fn num(num: i32) -> Action { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_end` [INFO] [stdout] --> src/charclasses.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn set_end(&mut self, end: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_start` [INFO] [stdout] --> src/charclasses.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn set_start(&mut self, start: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_max_char_code` [INFO] [stdout] --> src/charclasses.rs:396:12 [INFO] [stdout] | [INFO] [stdout] 396 | pub fn get_max_char_code(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_max_char_code` [INFO] [stdout] --> src/charclasses.rs:400:12 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn set_max_char_code(&mut self, max_char_code: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump` [INFO] [stdout] --> src/dfa.rs:503:12 [INFO] [stdout] | [INFO] [stdout] 503 | pub fn dump(&self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump_epsilon` [INFO] [stdout] --> src/nfa.rs:528:8 [INFO] [stdout] | [INFO] [stdout] 528 | fn dump_epsilon(&self, epsilon: Vec>>>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/nfa.rs:527:12 [INFO] [stdout] | [INFO] [stdout] 527 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump_fixedbit` [INFO] [stdout] --> src/nfa.rs:542:8 [INFO] [stdout] | [INFO] [stdout] 542 | fn dump_fixedbit(&self, v: &FixedBitSet) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/nfa.rs:541:12 [INFO] [stdout] | [INFO] [stdout] 541 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump_fixedbit_str` [INFO] [stdout] --> src/nfa.rs:546:8 [INFO] [stdout] | [INFO] [stdout] 546 | fn dump_fixedbit_str(&self, v: &FixedBitSet) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dump_table` [INFO] [stdout] --> src/nfa.rs:594:12 [INFO] [stdout] | [INFO] [stdout] 594 | pub fn dump_table(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Name` [INFO] [stdout] --> src/scanner.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | Name(String), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_char_classes` [INFO] [stdout] --> src/scanner.rs:354:12 [INFO] [stdout] | [INFO] [stdout] 354 | pub fn get_char_classes(&self) -> CharClasses { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:12:30 [INFO] [stdout] | [INFO] [stdout] 12 | for cause in failure::Fail::iter_chain(&e) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:12:30 [INFO] [stdout] | [INFO] [stdout] 12 | for cause in failure::Fail::iter_chain(&e) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.34s [INFO] running `Command { std: "docker" "inspect" "bfceaf7616285c4388847882d7ffc5c81c884a6b7c59d4c1743080ef438794d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfceaf7616285c4388847882d7ffc5c81c884a6b7c59d4c1743080ef438794d2", kill_on_drop: false }` [INFO] [stdout] bfceaf7616285c4388847882d7ffc5c81c884a6b7c59d4c1743080ef438794d2