Nov 01 15:21:32.644 INFO checking tac-0.2.3 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 15:21:32.644 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 15:21:33.152 INFO blam! 18b93ed7e65497cf0fa613a77ae0296ebd4a14a75271361d1c5d28649fac4ee9
Nov 01 15:21:33.176 INFO running `"docker" "start" "-a" "18b93ed7e65497cf0fa613a77ae0296ebd4a14a75271361d1c5d28649fac4ee9"`
Nov 01 15:21:34.216 INFO kablam! usermod: no changes
Nov 01 15:21:34.272 INFO kablam!     Checking memmap v0.5.2
Nov 01 15:21:35.064 INFO kablam!     Checking tac v0.2.3 (/source)
Nov 01 15:21:35.921 INFO kablam! warning: variable does not need to be mutable
Nov 01 15:21:35.921 INFO kablam!   --> src/main.rs:64:16
Nov 01 15:21:35.921 INFO kablam!    |
Nov 01 15:21:35.921 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 01 15:21:35.921 INFO kablam!    |                ----^^^^^^
Nov 01 15:21:35.921 INFO kablam!    |                |
Nov 01 15:21:35.921 INFO kablam!    |                help: remove this `mut`
Nov 01 15:21:35.921 INFO kablam!    |
Nov 01 15:21:35.923 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 15:21:35.923 INFO kablam! 
Nov 01 15:21:36.144 INFO kablam! warning: variable does not need to be mutable
Nov 01 15:21:36.144 INFO kablam!   --> src/main.rs:64:16
Nov 01 15:21:36.144 INFO kablam!    |
Nov 01 15:21:36.144 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 01 15:21:36.144 INFO kablam!    |                ----^^^^^^
Nov 01 15:21:36.144 INFO kablam!    |                |
Nov 01 15:21:36.144 INFO kablam!    |                help: remove this `mut`
Nov 01 15:21:36.144 INFO kablam!    |
Nov 01 15:21:36.144 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 15:21:36.144 INFO kablam! 
Nov 01 15:21:36.161 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Nov 01 15:21:36.168 INFO kablam! su: No module specific data is present
Nov 01 15:21:36.737 INFO running `"docker" "rm" "-f" "18b93ed7e65497cf0fa613a77ae0296ebd4a14a75271361d1c5d28649fac4ee9"`
Nov 01 15:21:36.995 INFO blam! 18b93ed7e65497cf0fa613a77ae0296ebd4a14a75271361d1c5d28649fac4ee9