Nov 17 21:13:47.104 INFO testing tac-0.2.3 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 21:13:47.104 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 21:13:47.261 INFO [stdout] 5ea734eadca940cae41014442a1b131f21a147027594fea0f7cef89e9465a86f
Nov 17 21:13:47.263 INFO running `"docker" "start" "-a" "5ea734eadca940cae41014442a1b131f21a147027594fea0f7cef89e9465a86f"`
Nov 17 21:13:47.545 INFO [stderr] usermod: no changes
Nov 17 21:13:47.579 INFO [stderr]    Compiling memmap v0.5.2
Nov 17 21:13:48.001 INFO [stderr]    Compiling tac v0.2.3 (/source)
Nov 17 21:13:48.405 INFO [stderr] warning: variable does not need to be mutable
Nov 17 21:13:48.405 INFO [stderr]   --> src/main.rs:64:16
Nov 17 21:13:48.405 INFO [stderr]    |
Nov 17 21:13:48.405 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 17 21:13:48.405 INFO [stderr]    |                ----^^^^^^
Nov 17 21:13:48.405 INFO [stderr]    |                |
Nov 17 21:13:48.405 INFO [stderr]    |                help: remove this `mut`
Nov 17 21:13:48.405 INFO [stderr]    |
Nov 17 21:13:48.405 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 21:13:48.405 INFO [stderr] 
Nov 17 21:13:48.760 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Nov 17 21:13:48.762 INFO [stderr] su: No module specific data is present
Nov 17 21:13:49.001 INFO running `"docker" "inspect" "5ea734eadca940cae41014442a1b131f21a147027594fea0f7cef89e9465a86f"`
Nov 17 21:13:49.055 INFO running `"docker" "rm" "-f" "5ea734eadca940cae41014442a1b131f21a147027594fea0f7cef89e9465a86f"`
Nov 17 21:13:49.131 INFO [stdout] 5ea734eadca940cae41014442a1b131f21a147027594fea0f7cef89e9465a86f
Nov 17 21:13:49.136 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 21:13:49.511 INFO [stdout] 910871bbfb1cb59dfdcc275cb2ac39566631b50b05354f1c63f9a339b8f1b32c
Nov 17 21:13:49.517 INFO running `"docker" "start" "-a" "910871bbfb1cb59dfdcc275cb2ac39566631b50b05354f1c63f9a339b8f1b32c"`
Nov 17 21:13:49.844 INFO [stderr] usermod: no changes
Nov 17 21:13:49.882 INFO [stderr]    Compiling tac v0.2.3 (/source)
Nov 17 21:13:50.321 INFO [stderr] warning: variable does not need to be mutable
Nov 17 21:13:50.321 INFO [stderr]   --> src/main.rs:64:16
Nov 17 21:13:50.321 INFO [stderr]    |
Nov 17 21:13:50.321 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Nov 17 21:13:50.321 INFO [stderr]    |                ----^^^^^^
Nov 17 21:13:50.321 INFO [stderr]    |                |
Nov 17 21:13:50.321 INFO [stderr]    |                help: remove this `mut`
Nov 17 21:13:50.321 INFO [stderr]    |
Nov 17 21:13:50.321 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 21:13:50.321 INFO [stderr] 
Nov 17 21:13:50.502 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Nov 17 21:13:50.505 INFO [stderr] su: No module specific data is present
Nov 17 21:13:50.747 INFO running `"docker" "inspect" "910871bbfb1cb59dfdcc275cb2ac39566631b50b05354f1c63f9a339b8f1b32c"`
Nov 17 21:13:50.803 INFO running `"docker" "rm" "-f" "910871bbfb1cb59dfdcc275cb2ac39566631b50b05354f1c63f9a339b8f1b32c"`
Nov 17 21:13:50.864 INFO [stdout] 910871bbfb1cb59dfdcc275cb2ac39566631b50b05354f1c63f9a339b8f1b32c
Nov 17 21:13:50.866 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --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"`
Nov 17 21:13:51.015 INFO [stdout] 22fc4ea44365ebd5f3ccafc17d8e59777870729a3b14908599430c7eeaf7d928
Nov 17 21:13:51.017 INFO running `"docker" "start" "-a" "22fc4ea44365ebd5f3ccafc17d8e59777870729a3b14908599430c7eeaf7d928"`
Nov 17 21:13:51.322 INFO [stderr] usermod: no changes
Nov 17 21:13:51.360 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 17 21:13:51.361 INFO [stderr]      Running /target/debug/deps/tac-f69f57d822cd9194
Nov 17 21:13:51.363 INFO [stdout] 
Nov 17 21:13:51.363 INFO [stdout] running 0 tests
Nov 17 21:13:51.363 INFO [stdout] 
Nov 17 21:13:51.363 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 21:13:51.363 INFO [stdout] 
Nov 17 21:13:51.364 INFO [stderr] su: No module specific data is present
Nov 17 21:13:51.767 INFO running `"docker" "inspect" "22fc4ea44365ebd5f3ccafc17d8e59777870729a3b14908599430c7eeaf7d928"`
Nov 17 21:13:51.864 INFO running `"docker" "rm" "-f" "22fc4ea44365ebd5f3ccafc17d8e59777870729a3b14908599430c7eeaf7d928"`
Nov 17 21:13:51.964 INFO [stdout] 22fc4ea44365ebd5f3ccafc17d8e59777870729a3b14908599430c7eeaf7d928