[INFO] cloning repository https://github.com/MinusGix/aliter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinusGix/aliter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusGix%2Faliter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusGix%2Faliter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7201dbf77a1b8372f13ee3e01fcf8baf64f06869
[INFO] checking MinusGix/aliter/7201dbf77a1b8372f13ee3e01fcf8baf64f06869 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusGix%2Faliter" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MinusGix/aliter on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MinusGix/aliter
[INFO] finished tweaking git repo https://github.com/MinusGix/aliter
[INFO] tweaked toml for git repo https://github.com/MinusGix/aliter written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MinusGix/aliter 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6861a449855eab26d6403935a39d027bb2f80dfbe7c4897a3ff68ec23d980d4c
[INFO] running `Command { std: "docker" "start" "-a" "6861a449855eab26d6403935a39d027bb2f80dfbe7c4897a3ff68ec23d980d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6861a449855eab26d6403935a39d027bb2f80dfbe7c4897a3ff68ec23d980d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6861a449855eab26d6403935a39d027bb2f80dfbe7c4897a3ff68ec23d980d4c", kill_on_drop: false }`
[INFO] [stdout] 6861a449855eab26d6403935a39d027bb2f80dfbe7c4897a3ff68ec23d980d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0c99e713ef374b60219519eb9574c78a0a7bf1d58ac56c01eee03731841549
[INFO] running `Command { std: "docker" "start" "-a" "5e0c99e713ef374b60219519eb9574c78a0a7bf1d58ac56c01eee03731841549", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking aliter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::parser::ParserConfig`
[INFO] [stdout]  --> src/spec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::ParserConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::ParserConfig`
[INFO] [stdout]  --> src/spec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::ParserConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expander::Mode` and `util::SourceLocation`
[INFO] [stdout]   --> src/spec.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  |         expander::Mode,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |         util::SourceLocation,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/delimiter.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |     let width = if let Some(s4) = find_assoc_data(size4_metrics, code) {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/delimiter.rs:375:25
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn make_inner(ch: char, height: f64, options: &Options) -> VListElem<Span<HtmlNode>> {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]    --> src/delimiter.rs:375:38
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn make_inner(ch: char, height: f64, options: &Options) -> VListElem<Span<HtmlNode>> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/delimiter.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |     let width = if let Some(s4) = find_assoc_data(size4_metrics, code) {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/delimiter.rs:375:25
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn make_inner(ch: char, height: f64, options: &Options) -> VListElem<Span<HtmlNode>> {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]    --> src/delimiter.rs:375:38
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn make_inner(ch: char, height: f64, options: &Options) -> VListElem<Span<HtmlNode>> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/functions/def.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let mut token = ctx.parser.fetch_mut().unwrap();
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/functions/def.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 let mut token = ctx.parser.fetch_mut().unwrap();
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_to_dom_tree` is never used
[INFO] [stdout]    --> src/lib.rs:378:15
[INFO] [stdout]     |
[INFO] [stdout] 378 | pub(crate) fn render_to_dom_tree(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FirstBaseLine` is never constructed
[INFO] [stdout]    --> src/build_common.rs:543:5
[INFO] [stdout]     |
[INFO] [stdout] 519 | pub(crate) enum VListParam<T> {
[INFO] [stdout]     |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 543 |     FirstBaseLine { children: Vec<VListShiftChild<T>> },
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_ALWAYS_DELIMITERS` is never used
[INFO] [stdout]   --> src/delimiter.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const STACK_ALWAYS_DELIMITERS: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE_TO_MAX_HEIGHT` is never used
[INFO] [stdout]    --> src/delimiter.rs:112:7
[INFO] [stdout]     |
[INFO] [stdout] 112 | const SIZE_TO_MAX_HEIGHT: [f64; 5] = [0.0, 1.2, 1.8, 2.4, 3.0];
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VB_PAD` is never used
[INFO] [stdout]    --> src/delimiter.rs:664:7
[INFO] [stdout]     |
[INFO] [stdout] 664 | const VB_PAD: f64 = 80.0;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EM_PAD` is never used
[INFO] [stdout]    --> src/delimiter.rs:666:7
[INFO] [stdout]     |
[INFO] [stdout] 666 | const EM_PAD: f64 = 0.08;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `left_right_delim` is never used
[INFO] [stdout]    --> src/delimiter.rs:684:15
[INFO] [stdout]     |
[INFO] [stdout] 684 | pub(crate) fn left_right_delim(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Left` and `Right` are never constructed
[INFO] [stdout]   --> src/html.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum Side {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 23 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_mathml_tree` is never used
[INFO] [stdout]    --> src/tree.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub(crate) fn build_mathml_tree(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_tree` is never used
[INFO] [stdout]    --> src/tree.rs:165:15
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub(crate) fn build_tree(
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `UPPERCASE_REGEX` is never used
[INFO] [stdout]    --> src/util.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | static UPPERCASE_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new("([A-Z])").unwrap());
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hyphenate` is never used
[INFO] [stdout]    --> src/util.rs:261:15
[INFO] [stdout]     |
[INFO] [stdout] 261 | pub(crate) fn hyphenate(text: &str) -> String {
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expand`
[INFO] [stdout]   --> src/spec.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         expand: bool,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_expand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_to_dom_tree` is never used
[INFO] [stdout]    --> src/lib.rs:378:15
[INFO] [stdout]     |
[INFO] [stdout] 378 | pub(crate) fn render_to_dom_tree(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FirstBaseLine` is never constructed
[INFO] [stdout]    --> src/build_common.rs:543:5
[INFO] [stdout]     |
[INFO] [stdout] 519 | pub(crate) enum VListParam<T> {
[INFO] [stdout]     |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 543 |     FirstBaseLine { children: Vec<VListShiftChild<T>> },
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_ALWAYS_DELIMITERS` is never used
[INFO] [stdout]   --> src/delimiter.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const STACK_ALWAYS_DELIMITERS: &'static [&'static str] = &[
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE_TO_MAX_HEIGHT` is never used
[INFO] [stdout]    --> src/delimiter.rs:112:7
[INFO] [stdout]     |
[INFO] [stdout] 112 | const SIZE_TO_MAX_HEIGHT: [f64; 5] = [0.0, 1.2, 1.8, 2.4, 3.0];
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VB_PAD` is never used
[INFO] [stdout]    --> src/delimiter.rs:664:7
[INFO] [stdout]     |
[INFO] [stdout] 664 | const VB_PAD: f64 = 80.0;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EM_PAD` is never used
[INFO] [stdout]    --> src/delimiter.rs:666:7
[INFO] [stdout]     |
[INFO] [stdout] 666 | const EM_PAD: f64 = 0.08;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `left_right_delim` is never used
[INFO] [stdout]    --> src/delimiter.rs:684:15
[INFO] [stdout]     |
[INFO] [stdout] 684 | pub(crate) fn left_right_delim(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Left` and `Right` are never constructed
[INFO] [stdout]   --> src/html.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum Side {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 23 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ParseError` and `ConsoleWarning` are never constructed
[INFO] [stdout]   --> src/spec.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     enum ExpectedError {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 32 |         ParseError,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 33 |         ConsoleWarning,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExpectedError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_not_build` is never used
[INFO] [stdout]    --> src/spec.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn to_not_build(expr: &str, conf: ParserConfig) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_mathml_tree` is never used
[INFO] [stdout]    --> src/tree.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub(crate) fn build_mathml_tree(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_tree` is never used
[INFO] [stdout]    --> src/tree.rs:165:15
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub(crate) fn build_tree(
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "5e0c99e713ef374b60219519eb9574c78a0a7bf1d58ac56c01eee03731841549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0c99e713ef374b60219519eb9574c78a0a7bf1d58ac56c01eee03731841549", kill_on_drop: false }`
[INFO] [stdout] 5e0c99e713ef374b60219519eb9574c78a0a7bf1d58ac56c01eee03731841549