[INFO] cloning repository https://github.com/MinkowskiMetric/like_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinkowskiMetric/like_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Flike_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Flike_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 044d8ed8a9ce7d7fde575baf9bd63b1d0149bdda [INFO] checking MinkowskiMetric/like_rust against master#42b384ec0dfcd528d99a4db0a337d9188a9eecaa for pr-133502-16 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Flike_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/MinkowskiMetric/like_rust [INFO] finished tweaking git repo https://github.com/MinkowskiMetric/like_rust [INFO] tweaked toml for git repo https://github.com/MinkowskiMetric/like_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/MinkowskiMetric/like_rust on toolchain 42b384ec0dfcd528d99a4db0a337d9188a9eecaa [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/MinkowskiMetric/like_rust 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" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... 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v0.9.0 [INFO] [stderr] Downloaded unic-ucd-bidi v0.9.0 [INFO] [stderr] Downloaded unic-char-basics v0.9.0 [INFO] [stderr] Downloaded unic-ucd-name v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5b422e1498d1717501941b1766fd81cc6c035d93e0bf4604b8ccb22cedd31a8 [INFO] running `Command { std: "docker" "start" "-a" "e5b422e1498d1717501941b1766fd81cc6c035d93e0bf4604b8ccb22cedd31a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5b422e1498d1717501941b1766fd81cc6c035d93e0bf4604b8ccb22cedd31a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5b422e1498d1717501941b1766fd81cc6c035d93e0bf4604b8ccb22cedd31a8", kill_on_drop: false }` [INFO] [stdout] e5b422e1498d1717501941b1766fd81cc6c035d93e0bf4604b8ccb22cedd31a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e91625b13233e1f32342b00f3096ed4063ed51a07c3ca7a1fa464b8e28b70d3 [INFO] running `Command { std: "docker" "start" "-a" "7e91625b13233e1f32342b00f3096ed4063ed51a07c3ca7a1fa464b8e28b70d3", kill_on_drop: false }` [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking unic-char-basics v0.9.0 [INFO] [stderr] Checking unic-idna-punycode v0.9.0 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Checking unic-ucd-hangul v0.9.0 [INFO] [stderr] Checking unic-ucd-category v0.9.0 [INFO] [stderr] Checking unic-ucd-bidi v0.9.0 [INFO] [stderr] Checking unic-ucd-segment v0.9.0 [INFO] [stderr] Checking unic-ucd-common v0.9.0 [INFO] [stderr] Checking unic-ucd-name v0.9.0 [INFO] [stderr] Checking unic-ucd-case v0.9.0 [INFO] [stderr] Checking unic-idna-mapping v0.9.0 [INFO] [stderr] Checking unic-emoji-char v0.9.0 [INFO] [stderr] Checking unic-ucd-block v0.9.0 [INFO] [stderr] Checking unic-ucd-normal v0.9.0 [INFO] [stderr] Checking unic-ucd-age v0.9.0 [INFO] [stderr] Checking unic-ucd-ident v0.9.0 [INFO] [stderr] Checking unic-ucd-name_aliases v0.9.0 [INFO] [stderr] Checking unic-bidi v0.9.0 [INFO] [stderr] Checking unic-segment v0.9.0 [INFO] [stderr] Checking unic-emoji v0.9.0 [INFO] [stderr] Checking unic-char v0.9.0 [INFO] [stderr] Checking unic-normal v0.9.0 [INFO] [stderr] Checking unic-idna v0.9.0 [INFO] [stderr] Checking unic-ucd v0.9.0 [INFO] [stderr] Checking unic v0.9.0 [INFO] [stderr] Checking like_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `CharReader` is never constructed [INFO] [stdout] --> src/lexer/char_reader.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | pub(super) struct CharReader<'a> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `current_pos`, `next`, `peek1`, and `peek2` are never used [INFO] [stdout] --> src/lexer/char_reader.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a> CharReader<'a> { [INFO] [stdout] | ----------------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(chars: &'a str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn current_pos(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn next(&mut self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn peek1(&self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn peek2(&self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `skip_to_end_delimiter` is never used [INFO] [stdout] --> src/lexer/delimiter_checker.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) trait DelimitedTokenReader: TokenReader { [INFO] [stdout] | -------------------- method in this trait [INFO] [stdout] 6 | fn skip_to_end_delimiter(&mut self, ty: DelimiterType); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `consume_to_semicolon` is never used [INFO] [stdout] --> src/lexer/token_reader.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) trait TokenReader { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 34 | fn consume_to_semicolon(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_whitespace` is never used [INFO] [stdout] --> src/lexer/tokenizer.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | const fn is_whitespace(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_identifier_start` is never used [INFO] [stdout] --> src/lexer/tokenizer.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn is_identifier_start(ch: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_identifier_continue` is never used [INFO] [stdout] --> src/lexer/tokenizer.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn is_identifier_continue(ch: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `match_keyword` is never used [INFO] [stdout] --> src/lexer/tokenizer.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn match_keyword(keyword: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Lexer` is never constructed [INFO] [stdout] --> src/lexer/tokenizer.rs:93:12 [INFO] [stdout] | [INFO] [stdout] 93 | pub struct Lexer<'a> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/lexer/tokenizer.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 99 | impl Lexer<'_> { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 100 | fn assert_next_char(&mut self, c: char) -> std::ops::Range { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn assert_next_str(&mut self, str: &str) -> std::ops::Range { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | fn next_token(&mut self) -> Result, Span> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | fn consume_char_if(&mut self, f: impl FnOnce(char) -> bool) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 169 | fn consume_matching_char(&mut self, matching: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 173 | fn skip_if(&mut self, f: impl (Fn(char) -> bool) + Clone) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn skip_whitespace(&mut self) -> Result<(), Span> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn skip_to_end_of_line(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 206 | fn consume_identifier(&mut self, allow_raw: bool) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 244 | fn skip_block_comment(&mut self) -> Result<(), Span> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 273 | fn consume_single_digit(&mut self, digits: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 281 | fn expect_single_digit(&mut self, digits: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 286 | fn consume_integer_literal(&mut self, digits: &str) -> Result<(), Span> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 301 | fn number_literal(&mut self) -> Result>, Span> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 374 | fn string_literal(&mut self) -> Result>, Span> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `punctuation` is never used [INFO] [stdout] --> src/lexer/tokenizer.rs:468:8 [INFO] [stdout] | [INFO] [stdout] 467 | impl Lexer<'_> { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 468 | fn punctuation(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer/delimiter_checker.rs:52:24 [INFO] [stdout] | [INFO] [stdout] 52 | fn fill_peek_entry(&mut self) -> NotNone> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 52 | fn fill_peek_entry(&mut self) -> NotNone<'_, Span> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `consume_to_semicolon` is never used [INFO] [stdout] --> src/lexer/token_reader.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) trait TokenReader { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 34 | fn consume_to_semicolon(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer/delimiter_checker.rs:52:24 [INFO] [stdout] | [INFO] [stdout] 52 | fn fill_peek_entry(&mut self) -> NotNone> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 52 | fn fill_peek_entry(&mut self) -> NotNone<'_, Span> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.14s [INFO] running `Command { std: "docker" "inspect" "7e91625b13233e1f32342b00f3096ed4063ed51a07c3ca7a1fa464b8e28b70d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e91625b13233e1f32342b00f3096ed4063ed51a07c3ca7a1fa464b8e28b70d3", kill_on_drop: false }` [INFO] [stdout] 7e91625b13233e1f32342b00f3096ed4063ed51a07c3ca7a1fa464b8e28b70d3