[INFO] crate gazetta-render-ext 0.2.1 is already in cache
[INFO] checking gazetta-render-ext-0.2.1 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate gazetta-render-ext 0.2.1 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate gazetta-render-ext 0.2.1 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gazetta-render-ext 0.2.1
[INFO] finished tweaking crates.io crate gazetta-render-ext 0.2.1
[INFO] tweaked toml for crates.io crate gazetta-render-ext 0.2.1 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0b98583f842169608f63e49ef9a32b0862ecbd8598270f5e55222f8ce7193d3d
[INFO] running `"docker" "start" "-a" "0b98583f842169608f63e49ef9a32b0862ecbd8598270f5e55222f8ce7193d3d"`
[INFO] [stderr]     Checking horrorshow v0.6.6
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking gazetta-core v0.2.1
[INFO] [stderr]     Checking gazetta-render-ext v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markdown.rs:104:30
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn render_once(mut self, mut tmpl: &mut TemplateBuffer) {
[INFO] [stderr]     |                              ----^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markdown.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn render_mut(&mut self, mut tmpl: &mut TemplateBuffer) {
[INFO] [stderr]     |                              ----^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markdown.rs:104:30
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn render_once(mut self, mut tmpl: &mut TemplateBuffer) {
[INFO] [stderr]     |                              ----^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markdown.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn render_mut(&mut self, mut tmpl: &mut TemplateBuffer) {
[INFO] [stderr]     |                              ----^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `"docker" "inspect" "0b98583f842169608f63e49ef9a32b0862ecbd8598270f5e55222f8ce7193d3d"`
[INFO] running `"docker" "rm" "-f" "0b98583f842169608f63e49ef9a32b0862ecbd8598270f5e55222f8ce7193d3d"`
[INFO] [stdout] 0b98583f842169608f63e49ef9a32b0862ecbd8598270f5e55222f8ce7193d3d