Nov 30 14:37:06.301 INFO checking tac-0.2.3 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 14:37:06.301 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 14:37:06.512 INFO [stdout] caca7a4799e4908eaf8d0d7ef40e31318bd5fa4f82eaf6d94ff3b48abf88670e
Nov 30 14:37:06.514 INFO running `"docker" "start" "-a" "caca7a4799e4908eaf8d0d7ef40e31318bd5fa4f82eaf6d94ff3b48abf88670e"`
Nov 30 14:37:07.144 INFO [stderr] usermod: no changes
Nov 30 14:37:07.183 INFO [stderr]     Checking memmap v0.5.2
Nov 30 14:37:07.183 INFO [stderr]     Checking uuid v0.4.0
Nov 30 14:37:07.965 INFO [stderr]     Checking tac v0.2.3 (/source)
Nov 30 14:37:08.633 INFO [stderr] warning: variable does not need to be mutable
Nov 30 14:37:08.633 INFO [stderr]   --> src/main.rs:64:16
Nov 30 14:37:08.633 INFO [stderr]    |
Nov 30 14:37:08.633 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 30 14:37:08.633 INFO [stderr]    |                ----^^^^^^
Nov 30 14:37:08.633 INFO [stderr]    |                |
Nov 30 14:37:08.633 INFO [stderr]    |                help: remove this `mut`
Nov 30 14:37:08.633 INFO [stderr]    |
Nov 30 14:37:08.633 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 14:37:08.633 INFO [stderr] 
Nov 30 14:37:08.820 INFO [stderr] warning: variable does not need to be mutable
Nov 30 14:37:08.820 INFO [stderr]   --> src/main.rs:64:16
Nov 30 14:37:08.820 INFO [stderr]    |
Nov 30 14:37:08.820 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 30 14:37:08.820 INFO [stderr]    |                ----^^^^^^
Nov 30 14:37:08.820 INFO [stderr]    |                |
Nov 30 14:37:08.820 INFO [stderr]    |                help: remove this `mut`
Nov 30 14:37:08.820 INFO [stderr]    |
Nov 30 14:37:08.820 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 14:37:08.820 INFO [stderr] 
Nov 30 14:37:08.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Nov 30 14:37:08.855 INFO [stderr] su: No module specific data is present
Nov 30 14:37:09.724 INFO running `"docker" "inspect" "caca7a4799e4908eaf8d0d7ef40e31318bd5fa4f82eaf6d94ff3b48abf88670e"`
Nov 30 14:37:10.104 INFO running `"docker" "rm" "-f" "caca7a4799e4908eaf8d0d7ef40e31318bd5fa4f82eaf6d94ff3b48abf88670e"`
Nov 30 14:37:10.300 INFO [stdout] caca7a4799e4908eaf8d0d7ef40e31318bd5fa4f82eaf6d94ff3b48abf88670e