Nov 30 18:13:22.274 INFO checking pem-iterator-0.2.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 18:13:22.274 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 18:13:22.745 INFO [stdout] d82dbc0203ae847649a7d0d8d2fccacf99ef4384d8ff63cc50fd3064290bd391
Nov 30 18:13:22.747 INFO running `"docker" "start" "-a" "d82dbc0203ae847649a7d0d8d2fccacf99ef4384d8ff63cc50fd3064290bd391"`
Nov 30 18:13:24.640 INFO [stderr] usermod: no changes
Nov 30 18:13:24.764 INFO [stderr]     Checking pem-iterator v0.2.0 (/source)
Nov 30 18:13:24.764 INFO [stderr]     Checking pem v0.4.1
Nov 30 18:13:31.308 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:13:31.308 INFO [stderr]    --> benches/bench.rs:201:9
Nov 30 18:13:31.308 INFO [stderr]     |
Nov 30 18:13:31.308 INFO [stderr] 201 |     let mut label_buf = String::new();
Nov 30 18:13:31.308 INFO [stderr]     |         ----^^^^^^^^^
Nov 30 18:13:31.308 INFO [stderr]     |         |
Nov 30 18:13:31.308 INFO [stderr]     |         help: remove this `mut`
Nov 30 18:13:31.308 INFO [stderr]     |
Nov 30 18:13:31.308 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 18:13:31.308 INFO [stderr] 
Nov 30 18:13:31.308 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:13:31.308 INFO [stderr]    --> benches/bench.rs:242:9
Nov 30 18:13:31.308 INFO [stderr]     |
Nov 30 18:13:31.308 INFO [stderr] 242 |     let mut label_buf = String::new();
Nov 30 18:13:31.308 INFO [stderr]     |         ----^^^^^^^^^
Nov 30 18:13:31.308 INFO [stderr]     |         |
Nov 30 18:13:31.308 INFO [stderr]     |         help: remove this `mut`
Nov 30 18:13:31.308 INFO [stderr] 
Nov 30 18:13:31.308 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:13:31.308 INFO [stderr]    --> benches/bench.rs:285:9
Nov 30 18:13:31.308 INFO [stderr]     |
Nov 30 18:13:31.309 INFO [stderr] 285 |     let mut label_buf = String::new();
Nov 30 18:13:31.309 INFO [stderr]     |         ----^^^^^^^^^
Nov 30 18:13:31.309 INFO [stderr]     |         |
Nov 30 18:13:31.309 INFO [stderr]     |         help: remove this `mut`
Nov 30 18:13:31.309 INFO [stderr] 
Nov 30 18:13:31.309 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:13:31.309 INFO [stderr]    --> benches/bench.rs:326:9
Nov 30 18:13:31.309 INFO [stderr]     |
Nov 30 18:13:31.309 INFO [stderr] 326 |     let mut label_buf = String::new();
Nov 30 18:13:31.309 INFO [stderr]     |         ----^^^^^^^^^
Nov 30 18:13:31.309 INFO [stderr]     |         |
Nov 30 18:13:31.309 INFO [stderr]     |         help: remove this `mut`
Nov 30 18:13:31.309 INFO [stderr] 
Nov 30 18:13:32.001 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.32s
Nov 30 18:13:32.006 INFO [stderr] su: No module specific data is present
Nov 30 18:13:33.198 INFO running `"docker" "inspect" "d82dbc0203ae847649a7d0d8d2fccacf99ef4384d8ff63cc50fd3064290bd391"`
Nov 30 18:13:33.588 INFO running `"docker" "rm" "-f" "d82dbc0203ae847649a7d0d8d2fccacf99ef4384d8ff63cc50fd3064290bd391"`
Nov 30 18:13:33.872 INFO [stdout] d82dbc0203ae847649a7d0d8d2fccacf99ef4384d8ff63cc50fd3064290bd391