[INFO] fetching crate rflex 0.8.0... [INFO] testing rflex-0.8.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate rflex 0.8.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate rflex 0.8.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-7/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded liquid-value v0.17.1 [INFO] [stderr] Downloaded liquid-compiler v0.17.1 [INFO] [stderr] Downloaded liquid-error v0.16.1 [INFO] [stderr] Downloaded liquid-interpreter v0.17.1 [INFO] [stderr] Downloaded liquid v0.17.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] e5e3a0e290a1ff0b6c6e87dfbdfe73c93d80502bed8d96968bf980adeeba2b60 [INFO] running `Command { std: "docker" "start" "-a" "e5e3a0e290a1ff0b6c6e87dfbdfe73c93d80502bed8d96968bf980adeeba2b60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5e3a0e290a1ff0b6c6e87dfbdfe73c93d80502bed8d96968bf980adeeba2b60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5e3a0e290a1ff0b6c6e87dfbdfe73c93d80502bed8d96968bf980adeeba2b60", kill_on_drop: false }` [INFO] [stdout] e5e3a0e290a1ff0b6c6e87dfbdfe73c93d80502bed8d96968bf980adeeba2b60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47e7914e71601f8b688f187c16c6da0f2296ce26124cdfb442c67ed5e6bd4fca [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" "47e7914e71601f8b688f187c16c6da0f2296ce26124cdfb442c67ed5e6bd4fca", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling liquid-error v0.16.1 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling liquid-value v0.17.1 [INFO] [stderr] Compiling liquid-interpreter v0.17.1 [INFO] [stderr] Compiling liquid-compiler v0.17.1 [INFO] [stderr] Compiling liquid v0.17.1 [INFO] [stderr] Compiling 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] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/scanner.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug, PartialEq)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `line_num` [INFO] [stdout] --> src/scanner.rs:335:5 [INFO] [stdout] | [INFO] [stdout] 335 | line_num: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `RegexScanner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/scanner.rs:332:10 [INFO] [stdout] | [INFO] [stdout] 332 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [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: 18 warnings emitted [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] | ^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 12 | for cause in ::iter_chain(&e) { [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.16s [INFO] running `Command { std: "docker" "inspect" "47e7914e71601f8b688f187c16c6da0f2296ce26124cdfb442c67ed5e6bd4fca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47e7914e71601f8b688f187c16c6da0f2296ce26124cdfb442c67ed5e6bd4fca", kill_on_drop: false }` [INFO] [stdout] 47e7914e71601f8b688f187c16c6da0f2296ce26124cdfb442c67ed5e6bd4fca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fd5f15f74b2a46be7393fc904abe030baf5fb62e2ecdbad70d8ed1ad6fd271b [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" "7fd5f15f74b2a46be7393fc904abe030baf5fb62e2ecdbad70d8ed1ad6fd271b", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling 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] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/scanner.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug, PartialEq)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `line_num` [INFO] [stdout] --> src/scanner.rs:335:5 [INFO] [stdout] | [INFO] [stdout] 335 | line_num: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `RegexScanner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/scanner.rs:332:10 [INFO] [stdout] | [INFO] [stdout] 332 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [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: 18 warnings emitted [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] | ^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 12 | for cause in ::iter_chain(&e) { [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning 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] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/scanner.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug, PartialEq)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `line_num` [INFO] [stdout] --> src/scanner.rs:335:5 [INFO] [stdout] | [INFO] [stdout] 335 | line_num: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `RegexScanner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/scanner.rs:332:10 [INFO] [stdout] | [INFO] [stdout] 332 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [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: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.89s [INFO] running `Command { std: "docker" "inspect" "7fd5f15f74b2a46be7393fc904abe030baf5fb62e2ecdbad70d8ed1ad6fd271b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fd5f15f74b2a46be7393fc904abe030baf5fb62e2ecdbad70d8ed1ad6fd271b", kill_on_drop: false }` [INFO] [stdout] 7fd5f15f74b2a46be7393fc904abe030baf5fb62e2ecdbad70d8ed1ad6fd271b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 4fa6961c3da42053e40e644e77ac753ef7c15a355c7716757e0943aa5e875454 [INFO] running `Command { std: "docker" "start" "-a" "4fa6961c3da42053e40e644e77ac753ef7c15a355c7716757e0943aa5e875454", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] warning: associated function is never used: `set_end` [INFO] [stderr] --> src/charclasses.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn set_end(&mut self, end: usize) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_start` [INFO] [stderr] --> src/charclasses.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn set_start(&mut self, start: usize) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_char` [INFO] [stderr] --> src/charclasses.rs:155:12 [INFO] [stderr] | [INFO] [stderr] 155 | pub fn add_char(&mut self, c: usize) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_max_char_code` [INFO] [stderr] --> src/charclasses.rs:396:12 [INFO] [stderr] | [INFO] [stderr] 396 | pub fn get_max_char_code(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_max_char_code` [INFO] [stderr] --> src/charclasses.rs:400:12 [INFO] [stderr] | [INFO] [stderr] 400 | pub fn set_max_char_code(&mut self, max_char_code: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_string_i` [INFO] [stderr] --> src/charclasses.rs:511:12 [INFO] [stderr] | [INFO] [stderr] 511 | pub fn to_string_i(&self, index: usize) -> String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `write_dot` [INFO] [stderr] --> src/dfa.rs:480:12 [INFO] [stderr] | [INFO] [stderr] 480 | pub fn write_dot(&self) -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dump` [INFO] [stderr] --> src/dfa.rs:503:12 [INFO] [stderr] | [INFO] [stderr] 503 | pub fn dump(&self) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dump_epsilon` [INFO] [stderr] --> src/nfa.rs:528:8 [INFO] [stderr] | [INFO] [stderr] 528 | fn dump_epsilon(&self, epsilon: Vec>>>) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/nfa.rs:527:12 [INFO] [stderr] | [INFO] [stderr] 527 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dump_fixedbit` [INFO] [stderr] --> src/nfa.rs:542:8 [INFO] [stderr] | [INFO] [stderr] 542 | fn dump_fixedbit(&self, v: &FixedBitSet) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/nfa.rs:541:12 [INFO] [stderr] | [INFO] [stderr] 541 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dump_fixedbit_str` [INFO] [stderr] --> src/nfa.rs:546:8 [INFO] [stderr] | [INFO] [stderr] 546 | fn dump_fixedbit_str(&self, v: &FixedBitSet) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `write_dot` [INFO] [stderr] --> src/nfa.rs:559:12 [INFO] [stderr] | [INFO] [stderr] 559 | pub fn write_dot(&self) -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dump_table` [INFO] [stderr] --> src/nfa.rs:594:12 [INFO] [stderr] | [INFO] [stderr] 594 | pub fn dump_table(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Name` [INFO] [stderr] --> src/scanner.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | Name(String), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/scanner.rs:22:10 [INFO] [stderr] | [INFO] [stderr] 22 | #[derive(Debug, PartialEq)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `line_num` [INFO] [stderr] --> src/scanner.rs:335:5 [INFO] [stderr] | [INFO] [stderr] 335 | line_num: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `RegexScanner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/scanner.rs:332:10 [INFO] [stderr] | [INFO] [stderr] 332 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_char_classes` [INFO] [stderr] --> src/scanner.rs:354:12 [INFO] [stderr] | [INFO] [stderr] 354 | pub fn get_char_classes(&self) -> CharClasses { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_regex` [INFO] [stderr] --> src/scanner.rs:584:4 [INFO] [stderr] | [INFO] [stderr] 584 | fn parse_regex(line_num: usize, line: &String) -> Result<(IR, String), TranslateError> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `num` [INFO] [stderr] --> src/scanner.rs:681:12 [INFO] [stderr] | [INFO] [stderr] 681 | pub fn num(num: i32) -> Action { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `rflex` (lib) generated 18 warnings [INFO] [stderr] warning: `rflex` (lib test) generated 12 warnings (12 duplicates) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:12:30 [INFO] [stderr] | [INFO] [stderr] 12 | for cause in failure::Fail::iter_chain(&e) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 12 | for cause in ::iter_chain(&e) { [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: `rflex` (bin "rflex" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rflex-bc3376a650eb6d10) [INFO] [stdout] [INFO] [stdout] running 40 tests [INFO] [stdout] test charclasses::tests::char_class_interval_format ... ok [INFO] [stdout] test charclasses::tests::char_classes_intervals ... ok [INFO] [stdout] test charclasses::tests::int_char_set ... ok [INFO] [stdout] test scanner::tests::build_bol2 ... ok [INFO] [stdout] test charclasses::tests::interval_formatter ... ok [INFO] [stdout] test scanner::tests::build_trivial ... ok [INFO] [stdout] test scanner::tests::condition_2 ... ok [INFO] [stdout] test scanner::tests::a_b_c_dot ... ok [INFO] [stdout] test scanner::tests::build_bol ... ok [INFO] [stdout] test scanner::tests::fail_to_parse_literal ... ok [INFO] [stdout] test scanner::tests::parse_dot ... ok [INFO] [stdout] test scanner::tests::nfa_build_char_class ... ok [INFO] [stdout] test scanner::tests::dfa_minimize_1 ... ok [INFO] [stdout] test scanner::tests::eof_1 ... ok [INFO] [stdout] test scanner::tests::nfa_build_notcharset ... ok [INFO] [stdout] test scanner::tests::nfa_build_rep2 ... ok [INFO] [stdout] test scanner::tests::nfa_build_str ... ok [INFO] [stdout] test scanner::tests::parse_alternation_eq ... ok [INFO] [stdout] test scanner::tests::nfa_build_repetition ... ok [INFO] [stdout] test scanner::tests::parse_ir_eq_alternation ... ok [INFO] [stdout] test scanner::tests::nfa_build_charset ... ok [INFO] [stdout] test scanner::tests::nfa_build_rep3 ... ok [INFO] [stdout] test scanner::tests::parse_ir_eq_alternation_with_plus ... ok [INFO] [stdout] test scanner::tests::parse_ir_eq_concat_and_more ... ok [INFO] [stdout] test scanner::tests::parse_ir_trivial ... ok [INFO] [stdout] test scanner::tests::parse_ir_eq_group ... ok [INFO] [stdout] test scanner::tests::nfa_build_alter2 ... ok [INFO] [stdout] test scanner::tests::nfa_build_alter_group ... ok [INFO] [stdout] test scanner::tests::parse_literal ... ok [INFO] [stdout] test scanner::tests::parse_ir_bol ... ok [INFO] [stdout] test scanner::tests::test_char_class ... ok [INFO] [stdout] test scanner::tests::parse_literal_eq ... ok [INFO] [stdout] test scanner::tests::scan_multiple_line_action ... ok [INFO] [stdout] test scanner::tests::parse_star ... ok [INFO] [stdout] test scanner::tests::parse_ir_bracket ... ok [INFO] [stdout] test scanner::tests::parse_ir_eq_alternation_with_concat ... ok [INFO] [stdout] test scanner::tests::parse_letter ... ok [INFO] [stdout] test scanner::tests::nfa_build_alter ... ok [INFO] [stdout] test scanner::tests::lexer_2 ... ok [INFO] [stdout] test scanner::tests::lexer_1 ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rflex-6783538e0d5426c1) [INFO] [stdout] [INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rflex [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4fa6961c3da42053e40e644e77ac753ef7c15a355c7716757e0943aa5e875454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa6961c3da42053e40e644e77ac753ef7c15a355c7716757e0943aa5e875454", kill_on_drop: false }` [INFO] [stdout] 4fa6961c3da42053e40e644e77ac753ef7c15a355c7716757e0943aa5e875454