[INFO] fetching crate mdxt 0.5.18...
[INFO] checking mdxt-0.5.18 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate mdxt 0.5.18 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mdxt 0.5.18 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdxt 0.5.18
[INFO] finished tweaking crates.io crate mdxt 0.5.18
[INFO] tweaked toml for crates.io crate mdxt 0.5.18 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07471498978a06579a32803e4e0e6637f3baba56cbc7ecb114c80b5e6f3bd422
[INFO] running `Command { std: "docker" "start" "-a" "07471498978a06579a32803e4e0e6637f3baba56cbc7ecb114c80b5e6f3bd422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07471498978a06579a32803e4e0e6637f3baba56cbc7ecb114c80b5e6f3bd422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07471498978a06579a32803e4e0e6637f3baba56cbc7ecb114c80b5e6f3bd422", kill_on_drop: false }`
[INFO] [stdout] 07471498978a06579a32803e4e0e6637f3baba56cbc7ecb114c80b5e6f3bd422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 237b39acd7756e1067d2b49d03b09f05da337c19de8670f7c279013b66f949d7
[INFO] running `Command { std: "docker" "start" "-a" "237b39acd7756e1067d2b49d03b09f05da337c19de8670f7c279013b66f949d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking time v0.3.21
[INFO] [stderr]     Checking quick-xml v0.28.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking plist v1.4.3
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking syntect v5.0.0
[INFO] [stderr]     Checking mdxt v0.5.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ast/mod.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let mut footnote_reference = self.doc_data.footnote_references.get_mut(&label).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/ast/mod.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let mut footnote_reference = self.doc_data.footnote_references.get_mut(&label).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: unused variable: `has_closing`
[INFO] [stdout]   --> src/inline/macros/multiline.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             has_closing  // supposed to be true
[INFO] [stdout]    |             ^^^^^^^^^^^ help: try ignoring the field: `has_closing: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_mdxt` is never used
[INFO] [stdout]    --> src/inline/mod.rs:325:12
[INFO] [stdout]     |
[INFO] [stdout] 79  | impl InlineNode {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 325 |     pub fn to_mdxt(&self) -> Vec<u32> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_while` is never used
[INFO] [stdout]   --> src/utils.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn take_while(v: &[u32], c: u32) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 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 14.30s
[INFO] running `Command { std: "docker" "inspect" "237b39acd7756e1067d2b49d03b09f05da337c19de8670f7c279013b66f949d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "237b39acd7756e1067d2b49d03b09f05da337c19de8670f7c279013b66f949d7", kill_on_drop: false }`
[INFO] [stdout] 237b39acd7756e1067d2b49d03b09f05da337c19de8670f7c279013b66f949d7