Dec 05 13:29:31.736 INFO checking gazetta-render-ext-0.2.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 13:29:31.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 13:29:32.237 INFO [stdout] 8cb87d22e081025443ec08b60721799a31ebed03321ccccf7ef3cf9f5ad86ff5
Dec 05 13:29:32.240 INFO running `"docker" "start" "-a" "8cb87d22e081025443ec08b60721799a31ebed03321ccccf7ef3cf9f5ad86ff5"`
Dec 05 13:29:34.227 INFO [stderr] usermod: no changes
Dec 05 13:29:34.358 INFO [stderr]     Checking str_stack v0.1.0
Dec 05 13:29:35.084 INFO [stderr]     Checking gazetta-core v0.2.1
Dec 05 13:29:36.823 INFO [stderr]     Checking gazetta-render-ext v0.2.1 (/source)
Dec 05 13:29:39.291 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:29:39.292 INFO [stderr]    --> src/markdown.rs:104:30
Dec 05 13:29:39.292 INFO [stderr]     |
Dec 05 13:29:39.292 INFO [stderr] 104 |     fn render_once(mut self, mut tmpl: &mut TemplateBuffer) {
Dec 05 13:29:39.292 INFO [stderr]     |                              ----^^^^
Dec 05 13:29:39.292 INFO [stderr]     |                              |
Dec 05 13:29:39.292 INFO [stderr]     |                              help: remove this `mut`
Dec 05 13:29:39.292 INFO [stderr]     |
Dec 05 13:29:39.292 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 13:29:39.292 INFO [stderr] 
Dec 05 13:29:39.327 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:29:39.327 INFO [stderr]    --> src/markdown.rs:104:30
Dec 05 13:29:39.327 INFO [stderr]     |
Dec 05 13:29:39.327 INFO [stderr] 104 |     fn render_once(mut self, mut tmpl: &mut TemplateBuffer) {
Dec 05 13:29:39.327 INFO [stderr]     |                              ----^^^^
Dec 05 13:29:39.327 INFO [stderr]     |                              |
Dec 05 13:29:39.327 INFO [stderr]     |                              help: remove this `mut`
Dec 05 13:29:39.327 INFO [stderr]     |
Dec 05 13:29:39.327 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 13:29:39.327 INFO [stderr] 
Dec 05 13:29:39.355 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:29:39.355 INFO [stderr]    --> src/markdown.rs:110:30
Dec 05 13:29:39.355 INFO [stderr]     |
Dec 05 13:29:39.355 INFO [stderr] 110 |     fn render_mut(&mut self, mut tmpl: &mut TemplateBuffer) {
Dec 05 13:29:39.355 INFO [stderr]     |                              ----^^^^
Dec 05 13:29:39.355 INFO [stderr]     |                              |
Dec 05 13:29:39.355 INFO [stderr]     |                              help: remove this `mut`
Dec 05 13:29:39.355 INFO [stderr] 
Dec 05 13:29:39.367 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:29:39.367 INFO [stderr]    --> src/markdown.rs:110:30
Dec 05 13:29:39.367 INFO [stderr]     |
Dec 05 13:29:39.367 INFO [stderr] 110 |     fn render_mut(&mut self, mut tmpl: &mut TemplateBuffer) {
Dec 05 13:29:39.367 INFO [stderr]     |                              ----^^^^
Dec 05 13:29:39.367 INFO [stderr]     |                              |
Dec 05 13:29:39.367 INFO [stderr]     |                              help: remove this `mut`
Dec 05 13:29:39.367 INFO [stderr] 
Dec 05 13:29:39.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
Dec 05 13:29:39.431 INFO [stderr] su: No module specific data is present
Dec 05 13:29:40.000 INFO running `"docker" "inspect" "8cb87d22e081025443ec08b60721799a31ebed03321ccccf7ef3cf9f5ad86ff5"`
Dec 05 13:29:40.295 INFO running `"docker" "rm" "-f" "8cb87d22e081025443ec08b60721799a31ebed03321ccccf7ef3cf9f5ad86ff5"`
Dec 05 13:29:40.596 INFO [stdout] 8cb87d22e081025443ec08b60721799a31ebed03321ccccf7ef3cf9f5ad86ff5