Dec 05 22:03:15.338 INFO testing hamadakafu/rust_client against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 22:03:15.338 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 22:03:15.734 INFO [stdout] 9b62c181ed1e4a996a68ba4793caf2dc39f489366b7020224d73ac938b9cdf09
Dec 05 22:03:15.738 INFO running `"docker" "start" "-a" "9b62c181ed1e4a996a68ba4793caf2dc39f489366b7020224d73ac938b9cdf09"`
Dec 05 22:03:16.537 INFO [stderr] usermod: no changes
Dec 05 22:03:16.620 INFO [stderr]    Compiling rust_client v0.1.0 (/source)
Dec 05 22:03:16.912 INFO [stderr] warning: unused variable: `buf`
Dec 05 22:03:16.912 INFO [stderr]   --> src/main.rs:10:7
Dec 05 22:03:16.912 INFO [stderr]    |
Dec 05 22:03:16.912 INFO [stderr] 10 |   let buf = String::new();
Dec 05 22:03:16.912 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 05 22:03:16.912 INFO [stderr]    |
Dec 05 22:03:16.912 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 22:03:16.912 INFO [stderr] 
Dec 05 22:03:17.206 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 05 22:03:17.209 INFO [stderr] su: No module specific data is present
Dec 05 22:03:17.488 INFO running `"docker" "inspect" "9b62c181ed1e4a996a68ba4793caf2dc39f489366b7020224d73ac938b9cdf09"`
Dec 05 22:03:17.662 INFO running `"docker" "rm" "-f" "9b62c181ed1e4a996a68ba4793caf2dc39f489366b7020224d73ac938b9cdf09"`
Dec 05 22:03:17.832 INFO [stdout] 9b62c181ed1e4a996a68ba4793caf2dc39f489366b7020224d73ac938b9cdf09
Dec 05 22:03:17.842 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 22:03:18.131 INFO [stdout] 54f5a2dbb15f880070c2fec0dca821c64d2579929095cc2e6f70a99f4da01224
Dec 05 22:03:18.134 INFO running `"docker" "start" "-a" "54f5a2dbb15f880070c2fec0dca821c64d2579929095cc2e6f70a99f4da01224"`
Dec 05 22:03:18.559 INFO [stderr] usermod: no changes
Dec 05 22:03:18.591 INFO [stderr]    Compiling rust_client v0.1.0 (/source)
Dec 05 22:03:18.960 INFO [stderr] warning: unused variable: `buf`
Dec 05 22:03:18.960 INFO [stderr]   --> src/main.rs:10:7
Dec 05 22:03:18.960 INFO [stderr]    |
Dec 05 22:03:18.960 INFO [stderr] 10 |   let buf = String::new();
Dec 05 22:03:18.960 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 05 22:03:18.960 INFO [stderr]    |
Dec 05 22:03:18.960 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 22:03:18.960 INFO [stderr] 
Dec 05 22:03:19.282 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 05 22:03:19.284 INFO [stderr] su: No module specific data is present
Dec 05 22:03:19.551 INFO running `"docker" "inspect" "54f5a2dbb15f880070c2fec0dca821c64d2579929095cc2e6f70a99f4da01224"`
Dec 05 22:03:19.646 INFO running `"docker" "rm" "-f" "54f5a2dbb15f880070c2fec0dca821c64d2579929095cc2e6f70a99f4da01224"`
Dec 05 22:03:19.739 INFO [stdout] 54f5a2dbb15f880070c2fec0dca821c64d2579929095cc2e6f70a99f4da01224
Dec 05 22:03:19.741 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 22:03:19.916 INFO [stdout] f042da4a3dae281408e57fd400a76b1456c10c641dfc389e1e3d087daa103ddd
Dec 05 22:03:19.919 INFO running `"docker" "start" "-a" "f042da4a3dae281408e57fd400a76b1456c10c641dfc389e1e3d087daa103ddd"`
Dec 05 22:03:20.306 INFO [stderr] usermod: no changes
Dec 05 22:03:20.337 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 22:03:20.337 INFO [stderr]      Running /target/debug/deps/rust_client-be7d9701216822c5
Dec 05 22:03:20.342 INFO [stdout] 
Dec 05 22:03:20.342 INFO [stdout] running 0 tests
Dec 05 22:03:20.342 INFO [stdout] 
Dec 05 22:03:20.342 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 22:03:20.342 INFO [stdout] 
Dec 05 22:03:20.344 INFO [stderr] su: No module specific data is present
Dec 05 22:03:20.641 INFO running `"docker" "inspect" "f042da4a3dae281408e57fd400a76b1456c10c641dfc389e1e3d087daa103ddd"`
Dec 05 22:03:20.808 INFO running `"docker" "rm" "-f" "f042da4a3dae281408e57fd400a76b1456c10c641dfc389e1e3d087daa103ddd"`
Dec 05 22:03:21.168 INFO [stdout] f042da4a3dae281408e57fd400a76b1456c10c641dfc389e1e3d087daa103ddd