Dec 03 12:17:57.388 INFO testing fast_io-1.2.2 against 1.30.1 for beta-1.31-5
Dec 03 12:17:57.388 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 12:17:57.873 INFO [stdout] d1bc986ed857c679d6705a40b495071ab06b142c45d543c310deac7173f88618
Dec 03 12:17:57.877 INFO running `"docker" "start" "-a" "d1bc986ed857c679d6705a40b495071ab06b142c45d543c310deac7173f88618"`
Dec 03 12:17:58.880 INFO [stderr] usermod: no changes
Dec 03 12:17:58.938 INFO [stderr]    Compiling fast_io v1.2.2 (/source)
Dec 03 12:17:59.667 INFO [stderr] warning: variable does not need to be mutable
Dec 03 12:17:59.667 INFO [stderr]   --> src/copy_io.rs:17:13
Dec 03 12:17:59.667 INFO [stderr]    |
Dec 03 12:17:59.667 INFO [stderr] 17 |         let mut buffer = unsafe {
Dec 03 12:17:59.667 INFO [stderr]    |             ----^^^^^^
Dec 03 12:17:59.667 INFO [stderr]    |             |
Dec 03 12:17:59.667 INFO [stderr]    |             help: remove this `mut`
Dec 03 12:17:59.667 INFO [stderr]    |
Dec 03 12:17:59.667 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 12:17:59.667 INFO [stderr] 
Dec 03 12:17:59.667 INFO [stderr] warning: variable does not need to be mutable
Dec 03 12:17:59.667 INFO [stderr]   --> src/copy_io.rs:38:17
Dec 03 12:17:59.667 INFO [stderr]    |
Dec 03 12:17:59.667 INFO [stderr] 38 |             let mut buffer = slice::from_raw_parts_mut(
Dec 03 12:17:59.667 INFO [stderr]    |                 ----^^^^^^
Dec 03 12:17:59.667 INFO [stderr]    |                 |
Dec 03 12:17:59.667 INFO [stderr]    |                 help: remove this `mut`
Dec 03 12:17:59.667 INFO [stderr] 
Dec 03 12:17:59.723 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 03 12:17:59.727 INFO [stderr] su: No module specific data is present
Dec 03 12:18:00.301 INFO running `"docker" "inspect" "d1bc986ed857c679d6705a40b495071ab06b142c45d543c310deac7173f88618"`
Dec 03 12:18:00.618 INFO running `"docker" "rm" "-f" "d1bc986ed857c679d6705a40b495071ab06b142c45d543c310deac7173f88618"`
Dec 03 12:18:00.787 INFO [stdout] d1bc986ed857c679d6705a40b495071ab06b142c45d543c310deac7173f88618
Dec 03 12:18:00.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 12:18:01.160 INFO [stdout] bb244211eebe63695acec6906a2dbdafef7baf2de51fec2325b6f5a525fd76b6
Dec 03 12:18:01.162 INFO running `"docker" "start" "-a" "bb244211eebe63695acec6906a2dbdafef7baf2de51fec2325b6f5a525fd76b6"`
Dec 03 12:18:01.777 INFO [stderr] usermod: no changes
Dec 03 12:18:01.804 INFO [stderr]    Compiling fast_io v1.2.2 (/source)
Dec 03 12:18:02.572 INFO [stderr] warning: variable does not need to be mutable
Dec 03 12:18:02.572 INFO [stderr]   --> src/copy_io.rs:17:13
Dec 03 12:18:02.572 INFO [stderr]    |
Dec 03 12:18:02.572 INFO [stderr] 17 |         let mut buffer = unsafe {
Dec 03 12:18:02.572 INFO [stderr]    |             ----^^^^^^
Dec 03 12:18:02.572 INFO [stderr]    |             |
Dec 03 12:18:02.572 INFO [stderr]    |             help: remove this `mut`
Dec 03 12:18:02.572 INFO [stderr]    |
Dec 03 12:18:02.572 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 12:18:02.572 INFO [stderr] 
Dec 03 12:18:02.572 INFO [stderr] warning: variable does not need to be mutable
Dec 03 12:18:02.572 INFO [stderr]   --> src/copy_io.rs:38:17
Dec 03 12:18:02.572 INFO [stderr]    |
Dec 03 12:18:02.572 INFO [stderr] 38 |             let mut buffer = slice::from_raw_parts_mut(
Dec 03 12:18:02.573 INFO [stderr]    |                 ----^^^^^^
Dec 03 12:18:02.573 INFO [stderr]    |                 |
Dec 03 12:18:02.573 INFO [stderr]    |                 help: remove this `mut`
Dec 03 12:18:02.573 INFO [stderr] 
Dec 03 12:18:03.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Dec 03 12:18:03.088 INFO [stderr] su: No module specific data is present
Dec 03 12:18:03.384 INFO running `"docker" "inspect" "bb244211eebe63695acec6906a2dbdafef7baf2de51fec2325b6f5a525fd76b6"`
Dec 03 12:18:03.456 INFO running `"docker" "rm" "-f" "bb244211eebe63695acec6906a2dbdafef7baf2de51fec2325b6f5a525fd76b6"`
Dec 03 12:18:03.563 INFO [stdout] bb244211eebe63695acec6906a2dbdafef7baf2de51fec2325b6f5a525fd76b6
