Nov 03 00:58:13.485 INFO checking tac-0.2.3 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 00:58:13.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 00:58:13.885 INFO blam! d4ef5b8f093f44e598507a6c061311f8b2d447118bfe38d03e33d6d20518d203
Nov 03 00:58:13.899 INFO running `"docker" "start" "-a" "d4ef5b8f093f44e598507a6c061311f8b2d447118bfe38d03e33d6d20518d203"`
Nov 03 00:58:15.052 INFO kablam! usermod: no changes
Nov 03 00:58:15.148 INFO kablam!     Checking memmap v0.5.2
Nov 03 00:58:15.148 INFO kablam!     Checking uuid v0.4.0
Nov 03 00:58:16.149 INFO kablam!     Checking tac v0.2.3 (/source)
Nov 03 00:58:16.900 INFO kablam! warning: variable does not need to be mutable
Nov 03 00:58:16.900 INFO kablam!   --> src/main.rs:64:16
Nov 03 00:58:16.900 INFO kablam!    |
Nov 03 00:58:16.900 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 03 00:58:16.900 INFO kablam!    |                ----^^^^^^
Nov 03 00:58:16.900 INFO kablam!    |                |
Nov 03 00:58:16.900 INFO kablam!    |                help: remove this `mut`
Nov 03 00:58:16.901 INFO kablam!    |
Nov 03 00:58:16.901 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 00:58:16.901 INFO kablam! 
Nov 03 00:58:16.956 INFO kablam! warning: variable does not need to be mutable
Nov 03 00:58:16.956 INFO kablam!   --> src/main.rs:64:16
Nov 03 00:58:16.956 INFO kablam!    |
Nov 03 00:58:16.956 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 03 00:58:16.956 INFO kablam!    |                ----^^^^^^
Nov 03 00:58:16.956 INFO kablam!    |                |
Nov 03 00:58:16.956 INFO kablam!    |                help: remove this `mut`
Nov 03 00:58:16.956 INFO kablam!    |
Nov 03 00:58:16.956 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 00:58:16.956 INFO kablam! 
Nov 03 00:58:16.977 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
Nov 03 00:58:16.985 INFO kablam! su: No module specific data is present
Nov 03 00:58:17.660 INFO running `"docker" "rm" "-f" "d4ef5b8f093f44e598507a6c061311f8b2d447118bfe38d03e33d6d20518d203"`
Nov 03 00:58:17.886 INFO blam! d4ef5b8f093f44e598507a6c061311f8b2d447118bfe38d03e33d6d20518d203