Dec 02 07:55:55.333 INFO testing Ermain-12/Introduction-to-Rust against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 07:55:55.333 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 02 07:55:55.530 INFO [stdout] 5ed4835bf5517541bb1bb15baf84077bf43076e033359116b846d7b5d54c6a50
Dec 02 07:55:55.532 INFO running `"docker" "start" "-a" "5ed4835bf5517541bb1bb15baf84077bf43076e033359116b846d7b5d54c6a50"`
Dec 02 07:55:56.204 INFO [stderr] usermod: no changes
Dec 02 07:55:56.275 INFO [stderr]    Compiling hello_world v0.1.0 (/source)
Dec 02 07:55:57.192 INFO [stderr] warning: variable does not need to be mutable
Dec 02 07:55:57.192 INFO [stderr]   --> src/main.rs:27:8
Dec 02 07:55:57.192 INFO [stderr]    |
Dec 02 07:55:57.192 INFO [stderr] 27 |    let mut twenty_one = my_vec.pop();
Dec 02 07:55:57.192 INFO [stderr]    |        ----^^^^^^^^^^
Dec 02 07:55:57.192 INFO [stderr]    |        |
Dec 02 07:55:57.192 INFO [stderr]    |        help: remove this `mut`
Dec 02 07:55:57.192 INFO [stderr]    |
Dec 02 07:55:57.192 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 07:55:57.192 INFO [stderr] 
Dec 02 07:55:58.219 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Dec 02 07:55:58.222 INFO [stderr] su: No module specific data is present
Dec 02 07:55:58.520 INFO running `"docker" "inspect" "5ed4835bf5517541bb1bb15baf84077bf43076e033359116b846d7b5d54c6a50"`
Dec 02 07:55:58.612 INFO running `"docker" "rm" "-f" "5ed4835bf5517541bb1bb15baf84077bf43076e033359116b846d7b5d54c6a50"`
Dec 02 07:55:58.716 INFO [stdout] 5ed4835bf5517541bb1bb15baf84077bf43076e033359116b846d7b5d54c6a50
Dec 02 07:55:58.718 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 02 07:55:58.948 INFO [stdout] 4a3d38be19668128e0096fc3bda6a6232645e40ebb37c1b8a0ff1115826c4a1a
Dec 02 07:55:58.952 INFO running `"docker" "start" "-a" "4a3d38be19668128e0096fc3bda6a6232645e40ebb37c1b8a0ff1115826c4a1a"`
Dec 02 07:55:59.340 INFO [stderr] usermod: no changes
Dec 02 07:55:59.381 INFO [stderr]    Compiling hello_world v0.1.0 (/source)
Dec 02 07:56:00.155 INFO [stderr] warning: variable does not need to be mutable
Dec 02 07:56:00.155 INFO [stderr]   --> src/main.rs:27:8
Dec 02 07:56:00.155 INFO [stderr]    |
Dec 02 07:56:00.155 INFO [stderr] 27 |    let mut twenty_one = my_vec.pop();
Dec 02 07:56:00.155 INFO [stderr]    |        ----^^^^^^^^^^
Dec 02 07:56:00.155 INFO [stderr]    |        |
Dec 02 07:56:00.155 INFO [stderr]    |        help: remove this `mut`
Dec 02 07:56:00.155 INFO [stderr]    |
Dec 02 07:56:00.155 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 07:56:00.155 INFO [stderr] 
Dec 02 07:56:00.502 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 02 07:56:00.507 INFO [stderr] su: No module specific data is present
Dec 02 07:56:00.768 INFO running `"docker" "inspect" "4a3d38be19668128e0096fc3bda6a6232645e40ebb37c1b8a0ff1115826c4a1a"`
Dec 02 07:56:00.869 INFO running `"docker" "rm" "-f" "4a3d38be19668128e0096fc3bda6a6232645e40ebb37c1b8a0ff1115826c4a1a"`
Dec 02 07:56:01.002 INFO [stdout] 4a3d38be19668128e0096fc3bda6a6232645e40ebb37c1b8a0ff1115826c4a1a
Dec 02 07:56:01.005 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 02 07:56:01.223 INFO [stdout] d64cb3c2bd93174421b26a29ce5570715167c090e074db6acdf9a4e8e2a3d42e
Dec 02 07:56:01.227 INFO running `"docker" "start" "-a" "d64cb3c2bd93174421b26a29ce5570715167c090e074db6acdf9a4e8e2a3d42e"`
Dec 02 07:56:01.677 INFO [stderr] usermod: no changes
Dec 02 07:56:01.722 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 02 07:56:01.723 INFO [stderr]      Running /target/debug/deps/hello_world-9c953dee54fba111
Dec 02 07:56:01.724 INFO [stdout] 
Dec 02 07:56:01.724 INFO [stdout] running 0 tests
Dec 02 07:56:01.724 INFO [stdout] 
Dec 02 07:56:01.724 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 07:56:01.724 INFO [stdout] 
Dec 02 07:56:01.727 INFO [stderr] su: No module specific data is present
Dec 02 07:56:02.008 INFO running `"docker" "inspect" "d64cb3c2bd93174421b26a29ce5570715167c090e074db6acdf9a4e8e2a3d42e"`
Dec 02 07:56:02.095 INFO running `"docker" "rm" "-f" "d64cb3c2bd93174421b26a29ce5570715167c090e074db6acdf9a4e8e2a3d42e"`
Dec 02 07:56:02.207 INFO [stdout] d64cb3c2bd93174421b26a29ce5570715167c090e074db6acdf9a4e8e2a3d42e
