Dec 07 16:00:12.072 INFO testing galvanize-0.0.1 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 16:00:12.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 07 16:00:12.255 INFO [stdout] 5c76f6165bc56a4b291afd252ea01c0da358af8543865b1e5eb2c1ae1b8f266d
Dec 07 16:00:12.257 INFO running `"docker" "start" "-a" "5c76f6165bc56a4b291afd252ea01c0da358af8543865b1e5eb2c1ae1b8f266d"`
Dec 07 16:00:12.856 INFO [stderr] usermod: no changes
Dec 07 16:00:12.880 INFO [stderr]    Compiling galvanize v0.0.1 (/source)
Dec 07 16:00:13.525 INFO [stderr] warning: variable does not need to be mutable
Dec 07 16:00:13.525 INFO [stderr]    --> src/reader.rs:320:22
Dec 07 16:00:13.525 INFO [stderr]     |
Dec 07 16:00:13.525 INFO [stderr] 320 |     pub fn as_writer(mut self) -> Result<Writer<'a, File>> {
Dec 07 16:00:13.525 INFO [stderr]     |                      ----^^^^
Dec 07 16:00:13.526 INFO [stderr]     |                      |
Dec 07 16:00:13.526 INFO [stderr]     |                      help: remove this `mut`
Dec 07 16:00:13.526 INFO [stderr]     |
Dec 07 16:00:13.526 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 16:00:13.526 INFO [stderr] 
Dec 07 16:00:13.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 07 16:00:13.894 INFO [stderr] su: No module specific data is present
Dec 07 16:00:14.227 INFO running `"docker" "inspect" "5c76f6165bc56a4b291afd252ea01c0da358af8543865b1e5eb2c1ae1b8f266d"`
Dec 07 16:00:14.338 INFO running `"docker" "rm" "-f" "5c76f6165bc56a4b291afd252ea01c0da358af8543865b1e5eb2c1ae1b8f266d"`
Dec 07 16:00:14.425 INFO [stdout] 5c76f6165bc56a4b291afd252ea01c0da358af8543865b1e5eb2c1ae1b8f266d
Dec 07 16:00:14.427 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 07 16:00:14.566 INFO [stdout] df29da0d03b7337b68d090b5e34ae822ef328977b5eba78009c1bff7122b8bf2
Dec 07 16:00:14.570 INFO running `"docker" "start" "-a" "df29da0d03b7337b68d090b5e34ae822ef328977b5eba78009c1bff7122b8bf2"`
Dec 07 16:00:14.977 INFO [stderr] usermod: no changes
Dec 07 16:00:15.005 INFO [stderr]    Compiling galvanize v0.0.1 (/source)
Dec 07 16:00:15.752 INFO [stderr] warning: variable does not need to be mutable
Dec 07 16:00:15.753 INFO [stderr]    --> src/reader.rs:320:22
Dec 07 16:00:15.753 INFO [stderr]     |
Dec 07 16:00:15.753 INFO [stderr] 320 |     pub fn as_writer(mut self) -> Result<Writer<'a, File>> {
Dec 07 16:00:15.753 INFO [stderr]     |                      ----^^^^
Dec 07 16:00:15.753 INFO [stderr]     |                      |
Dec 07 16:00:15.753 INFO [stderr]     |                      help: remove this `mut`
Dec 07 16:00:15.753 INFO [stderr]     |
Dec 07 16:00:15.753 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 16:00:15.753 INFO [stderr] 
Dec 07 16:00:16.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 07 16:00:16.403 INFO [stderr] su: No module specific data is present
Dec 07 16:00:16.720 INFO running `"docker" "inspect" "df29da0d03b7337b68d090b5e34ae822ef328977b5eba78009c1bff7122b8bf2"`
Dec 07 16:00:16.876 INFO running `"docker" "rm" "-f" "df29da0d03b7337b68d090b5e34ae822ef328977b5eba78009c1bff7122b8bf2"`
Dec 07 16:00:17.191 INFO [stdout] df29da0d03b7337b68d090b5e34ae822ef328977b5eba78009c1bff7122b8bf2