Nov 17 17:11:15.512 INFO testing 8flag/hello_rust against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 17:11:15.514 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17:11:15.815 INFO [stdout] c1ae6b3c428d0971ae72a0067346a6a058f4b761af21303aed927a8c50821f6e
Nov 17 17:11:15.820 INFO running `"docker" "start" "-a" "c1ae6b3c428d0971ae72a0067346a6a058f4b761af21303aed927a8c50821f6e"`
Nov 17 17:11:16.196 INFO [stderr] usermod: no changes
Nov 17 17:11:16.226 INFO [stderr]    Compiling hello_rust v0.1.0 (/source)
Nov 17 17:11:16.553 INFO [stderr] warning: unused variable: `b`
Nov 17 17:11:16.553 INFO [stderr]  --> src/main.rs:5:9
Nov 17 17:11:16.553 INFO [stderr]   |
Nov 17 17:11:16.553 INFO [stderr] 5 |     let b:&str = &a;
Nov 17 17:11:16.553 INFO [stderr]   |         ^ help: consider using `_b` instead
Nov 17 17:11:16.553 INFO [stderr]   |
Nov 17 17:11:16.553 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 17:11:16.553 INFO [stderr] 
Nov 17 17:11:16.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Nov 17 17:11:16.898 INFO [stderr] su: No module specific data is present
Nov 17 17:11:17.236 INFO running `"docker" "inspect" "c1ae6b3c428d0971ae72a0067346a6a058f4b761af21303aed927a8c50821f6e"`
Nov 17 17:11:17.309 INFO running `"docker" "rm" "-f" "c1ae6b3c428d0971ae72a0067346a6a058f4b761af21303aed927a8c50821f6e"`
Nov 17 17:11:17.378 INFO [stdout] c1ae6b3c428d0971ae72a0067346a6a058f4b761af21303aed927a8c50821f6e
Nov 17 17:11:17.382 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17:11:17.620 INFO [stdout] ad801623b494967f8d1ab26e64df50c5f3773096a260b8499c074776c0324dc8
Nov 17 17:11:17.624 INFO running `"docker" "start" "-a" "ad801623b494967f8d1ab26e64df50c5f3773096a260b8499c074776c0324dc8"`
Nov 17 17:11:18.131 INFO [stderr] usermod: no changes
Nov 17 17:11:18.165 INFO [stderr]    Compiling hello_rust v0.1.0 (/source)
Nov 17 17:11:18.490 INFO [stderr] warning: unused variable: `b`
Nov 17 17:11:18.490 INFO [stderr]  --> src/main.rs:5:9
Nov 17 17:11:18.490 INFO [stderr]   |
Nov 17 17:11:18.490 INFO [stderr] 5 |     let b:&str = &a;
Nov 17 17:11:18.490 INFO [stderr]   |         ^ help: consider using `_b` instead
Nov 17 17:11:18.490 INFO [stderr]   |
Nov 17 17:11:18.490 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 17:11:18.490 INFO [stderr] 
Nov 17 17:11:18.721 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Nov 17 17:11:18.721 INFO [stderr] su: No module specific data is present
Nov 17 17:11:18.978 INFO running `"docker" "inspect" "ad801623b494967f8d1ab26e64df50c5f3773096a260b8499c074776c0324dc8"`
Nov 17 17:11:19.056 INFO running `"docker" "rm" "-f" "ad801623b494967f8d1ab26e64df50c5f3773096a260b8499c074776c0324dc8"`
Nov 17 17:11:19.134 INFO [stdout] ad801623b494967f8d1ab26e64df50c5f3773096a260b8499c074776c0324dc8
Nov 17 17:11:19.137 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 17:11:19.394 INFO [stdout] 056656fbfffe33581dac8d8e5bc69abca47399bacfa5e018c3ad140d17dd692e
Nov 17 17:11:19.396 INFO running `"docker" "start" "-a" "056656fbfffe33581dac8d8e5bc69abca47399bacfa5e018c3ad140d17dd692e"`
Nov 17 17:11:19.746 INFO [stderr] usermod: no changes
Nov 17 17:11:19.765 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Nov 17 17:11:19.766 INFO [stderr]      Running /target/debug/deps/hello_rust-a2ede40d166cf239
Nov 17 17:11:19.767 INFO [stdout] 
Nov 17 17:11:19.767 INFO [stdout] running 0 tests
Nov 17 17:11:19.767 INFO [stdout] 
Nov 17 17:11:19.767 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 17:11:19.767 INFO [stdout] 
Nov 17 17:11:19.769 INFO [stderr] su: No module specific data is present
Nov 17 17:11:20.004 INFO running `"docker" "inspect" "056656fbfffe33581dac8d8e5bc69abca47399bacfa5e018c3ad140d17dd692e"`
Nov 17 17:11:20.078 INFO running `"docker" "rm" "-f" "056656fbfffe33581dac8d8e5bc69abca47399bacfa5e018c3ad140d17dd692e"`
Nov 17 17:11:20.143 INFO [stdout] 056656fbfffe33581dac8d8e5bc69abca47399bacfa5e018c3ad140d17dd692e