Nov 30 01:19:04.049 INFO checking jacobvaneijk/dmr against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 01:19:04.049 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 01:19:04.488 INFO [stdout] 471fdcabd665297cefc1a5e0a17e5ffc6dea65434ba3826143dbe3fd5cde4b22
Nov 30 01:19:04.490 INFO running `"docker" "start" "-a" "471fdcabd665297cefc1a5e0a17e5ffc6dea65434ba3826143dbe3fd5cde4b22"`
Nov 30 01:19:06.221 INFO [stderr] usermod: no changes
Nov 30 01:19:06.300 INFO [stderr]     Checking dmr v0.1.0 (/source)
Nov 30 01:19:06.940 INFO [stderr] warning: unused variable: `output`
Nov 30 01:19:06.940 INFO [stderr]   --> src/main.rs:47:9
Nov 30 01:19:06.940 INFO [stderr]    |
Nov 30 01:19:06.940 INFO [stderr] 47 |     let output = match matches.opt_str("o") {
Nov 30 01:19:06.940 INFO [stderr]    |         ^^^^^^ help: consider using `_output` instead
Nov 30 01:19:06.940 INFO [stderr]    |
Nov 30 01:19:06.940 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:19:06.940 INFO [stderr] 
Nov 30 01:19:06.947 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:19:06.947 INFO [stderr]   --> src/driver.rs:28:9
Nov 30 01:19:06.947 INFO [stderr]    |
Nov 30 01:19:06.947 INFO [stderr] 28 |     let mut src = match read_file(filename) {
Nov 30 01:19:06.947 INFO [stderr]    |         ----^^^
Nov 30 01:19:06.947 INFO [stderr]    |         |
Nov 30 01:19:06.947 INFO [stderr]    |         help: remove this `mut`
Nov 30 01:19:06.948 INFO [stderr]    |
Nov 30 01:19:06.948 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 01:19:06.948 INFO [stderr] 
Nov 30 01:19:07.072 INFO [stderr] warning: unused variable: `output`
Nov 30 01:19:07.072 INFO [stderr]   --> src/main.rs:47:9
Nov 30 01:19:07.072 INFO [stderr]    |
Nov 30 01:19:07.072 INFO [stderr] 47 |     let output = match matches.opt_str("o") {
Nov 30 01:19:07.072 INFO [stderr]    |         ^^^^^^ help: consider using `_output` instead
Nov 30 01:19:07.072 INFO [stderr]    |
Nov 30 01:19:07.072 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:19:07.072 INFO [stderr] 
Nov 30 01:19:07.080 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:19:07.080 INFO [stderr]   --> src/driver.rs:28:9
Nov 30 01:19:07.080 INFO [stderr]    |
Nov 30 01:19:07.080 INFO [stderr] 28 |     let mut src = match read_file(filename) {
Nov 30 01:19:07.080 INFO [stderr]    |         ----^^^
Nov 30 01:19:07.080 INFO [stderr]    |         |
Nov 30 01:19:07.080 INFO [stderr]    |         help: remove this `mut`
Nov 30 01:19:07.080 INFO [stderr]    |
Nov 30 01:19:07.080 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 01:19:07.080 INFO [stderr] 
Nov 30 01:19:07.125 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Nov 30 01:19:07.136 INFO [stderr] su: No module specific data is present
Nov 30 01:19:08.529 INFO running `"docker" "inspect" "471fdcabd665297cefc1a5e0a17e5ffc6dea65434ba3826143dbe3fd5cde4b22"`
Nov 30 01:19:08.870 INFO running `"docker" "rm" "-f" "471fdcabd665297cefc1a5e0a17e5ffc6dea65434ba3826143dbe3fd5cde4b22"`
Nov 30 01:19:09.168 INFO [stdout] 471fdcabd665297cefc1a5e0a17e5ffc6dea65434ba3826143dbe3fd5cde4b22