Dec 01 07:42:46.644 INFO testing neosmart/tac against 1.30.1 for beta-1.31-5
Dec 01 07:42:46.644 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 01 07:42:47.225 INFO [stdout] 406322f5d1cee35750927eb2fdef786fca3b4c942ec6b48a876daebb2f3c57ad
Dec 01 07:42:47.227 INFO running `"docker" "start" "-a" "406322f5d1cee35750927eb2fdef786fca3b4c942ec6b48a876daebb2f3c57ad"`
Dec 01 07:42:48.975 INFO [stderr] usermod: no changes
Dec 01 07:42:49.076 INFO [stderr]    Compiling memmap v0.5.2
Dec 01 07:42:49.086 INFO [stderr]    Compiling uuid v0.4.0
Dec 01 07:42:50.551 INFO [stderr]    Compiling tac v0.2.3 (/source)
Dec 01 07:42:51.071 INFO [stderr] warning: variable does not need to be mutable
Dec 01 07:42:51.071 INFO [stderr]   --> src/main.rs:64:16
Dec 01 07:42:51.071 INFO [stderr]    |
Dec 01 07:42:51.071 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut Stdout, bytes: &[u8]) {
Dec 01 07:42:51.071 INFO [stderr]    |                ----^^^^^^
Dec 01 07:42:51.071 INFO [stderr]    |                |
Dec 01 07:42:51.071 INFO [stderr]    |                help: remove this `mut`
Dec 01 07:42:51.071 INFO [stderr]    |
Dec 01 07:42:51.071 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 07:42:51.071 INFO [stderr] 
Dec 01 07:42:52.153 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
Dec 01 07:42:52.153 INFO [stderr] su: No module specific data is present
Dec 01 07:42:52.965 INFO running `"docker" "inspect" "406322f5d1cee35750927eb2fdef786fca3b4c942ec6b48a876daebb2f3c57ad"`
Dec 01 07:42:53.292 INFO running `"docker" "rm" "-f" "406322f5d1cee35750927eb2fdef786fca3b4c942ec6b48a876daebb2f3c57ad"`
Dec 01 07:42:53.603 INFO [stdout] 406322f5d1cee35750927eb2fdef786fca3b4c942ec6b48a876daebb2f3c57ad
Dec 01 07:42:53.611 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 01 07:42:54.334 INFO [stdout] e839a50816c9d020e7b09c9437f09acaf4196bd67af63cc925e0174ab6dd00f5
Dec 01 07:42:54.336 INFO running `"docker" "start" "-a" "e839a50816c9d020e7b09c9437f09acaf4196bd67af63cc925e0174ab6dd00f5"`
Dec 01 07:42:55.535 INFO [stderr] usermod: no changes
Dec 01 07:42:55.615 INFO [stderr]    Compiling tac v0.2.3 (/source)
Dec 01 07:42:56.051 INFO [stderr] warning: variable does not need to be mutable
Dec 01 07:42:56.055 INFO [stderr]   --> src/main.rs:64:16
Dec 01 07:42:56.055 INFO [stderr]    |
Dec 01 07:42:56.055 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut Stdout, bytes: &[u8]) {
Dec 01 07:42:56.055 INFO [stderr]    |                ----^^^^^^
Dec 01 07:42:56.055 INFO [stderr]    |                |
Dec 01 07:42:56.055 INFO [stderr]    |                help: remove this `mut`
Dec 01 07:42:56.055 INFO [stderr]    |
Dec 01 07:42:56.055 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 07:42:56.055 INFO [stderr] 
Dec 01 07:42:56.523 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 01 07:42:56.530 INFO [stderr] su: No module specific data is present
Dec 01 07:42:57.170 INFO running `"docker" "inspect" "e839a50816c9d020e7b09c9437f09acaf4196bd67af63cc925e0174ab6dd00f5"`
Dec 01 07:42:57.435 INFO running `"docker" "rm" "-f" "e839a50816c9d020e7b09c9437f09acaf4196bd67af63cc925e0174ab6dd00f5"`
Dec 01 07:42:57.667 INFO [stdout] e839a50816c9d020e7b09c9437f09acaf4196bd67af63cc925e0174ab6dd00f5
Dec 01 07:42:57.671 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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" "-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 01 07:42:58.195 INFO [stdout] bf05e393f4ab960cc823c02294619c3ead03277c1951d9f02f3b38b79978f899
Dec 01 07:42:58.203 INFO running `"docker" "start" "-a" "bf05e393f4ab960cc823c02294619c3ead03277c1951d9f02f3b38b79978f899"`
Dec 01 07:42:59.319 INFO [stderr] usermod: no changes
Dec 01 07:42:59.391 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 01 07:42:59.399 INFO [stderr]      Running /target/debug/deps/tac-2cb8e8bea1391e99
Dec 01 07:42:59.418 INFO [stdout] 
Dec 01 07:42:59.418 INFO [stdout] running 0 tests
Dec 01 07:42:59.419 INFO [stdout] 
Dec 01 07:42:59.419 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 07:42:59.419 INFO [stdout] 
Dec 01 07:42:59.420 INFO [stderr] su: No module specific data is present
Dec 01 07:43:00.068 INFO running `"docker" "inspect" "bf05e393f4ab960cc823c02294619c3ead03277c1951d9f02f3b38b79978f899"`
Dec 01 07:43:00.337 INFO running `"docker" "rm" "-f" "bf05e393f4ab960cc823c02294619c3ead03277c1951d9f02f3b38b79978f899"`
Dec 01 07:43:00.623 INFO [stdout] bf05e393f4ab960cc823c02294619c3ead03277c1951d9f02f3b38b79978f899
