Dec 06 03:48:09.053 INFO testing chupe/rust-collections against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 03:48:09.053 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 06 03:48:09.444 INFO [stdout] 11c902c616ea192cc7b0989286c7d7597f27e355b396b6ff05437d5db6788999
Dec 06 03:48:09.446 INFO running `"docker" "start" "-a" "11c902c616ea192cc7b0989286c7d7597f27e355b396b6ff05437d5db6788999"`
Dec 06 03:48:09.904 INFO [stderr] usermod: no changes
Dec 06 03:48:09.943 INFO [stderr]    Compiling rand v0.3.19
Dec 06 03:48:11.982 INFO [stderr]    Compiling collections v0.1.0 (/source)
Dec 06 03:48:12.416 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 06 03:48:12.416 INFO [stderr]   --> src/main.rs:19:13
Dec 06 03:48:12.416 INFO [stderr]    |
Dec 06 03:48:12.416 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 06 03:48:12.416 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 06 03:48:12.416 INFO [stderr]    |
Dec 06 03:48:12.416 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 03:48:12.416 INFO [stderr] 
Dec 06 03:48:12.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
Dec 06 03:48:12.948 INFO [stderr] su: No module specific data is present
Dec 06 03:48:13.330 INFO running `"docker" "inspect" "11c902c616ea192cc7b0989286c7d7597f27e355b396b6ff05437d5db6788999"`
Dec 06 03:48:13.401 INFO running `"docker" "rm" "-f" "11c902c616ea192cc7b0989286c7d7597f27e355b396b6ff05437d5db6788999"`
Dec 06 03:48:13.470 INFO [stdout] 11c902c616ea192cc7b0989286c7d7597f27e355b396b6ff05437d5db6788999
Dec 06 03:48:13.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 06 03:48:13.603 INFO [stdout] 03625b8ec7fbfa963f3534d90b3e4cc10e31d73837bd658d29512a5a3b90acd1
Dec 06 03:48:13.605 INFO running `"docker" "start" "-a" "03625b8ec7fbfa963f3534d90b3e4cc10e31d73837bd658d29512a5a3b90acd1"`
Dec 06 03:48:14.190 INFO [stderr] usermod: no changes
Dec 06 03:48:14.241 INFO [stderr]    Compiling collections v0.1.0 (/source)
Dec 06 03:48:14.712 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 06 03:48:14.712 INFO [stderr]   --> src/main.rs:19:13
Dec 06 03:48:14.712 INFO [stderr]    |
Dec 06 03:48:14.712 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 06 03:48:14.712 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 06 03:48:14.712 INFO [stderr]    |
Dec 06 03:48:14.712 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 03:48:14.712 INFO [stderr] 
Dec 06 03:48:14.956 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 06 03:48:14.959 INFO [stderr] su: No module specific data is present
Dec 06 03:48:15.830 INFO running `"docker" "inspect" "03625b8ec7fbfa963f3534d90b3e4cc10e31d73837bd658d29512a5a3b90acd1"`
Dec 06 03:48:16.046 INFO running `"docker" "rm" "-f" "03625b8ec7fbfa963f3534d90b3e4cc10e31d73837bd658d29512a5a3b90acd1"`
Dec 06 03:48:16.212 INFO [stdout] 03625b8ec7fbfa963f3534d90b3e4cc10e31d73837bd658d29512a5a3b90acd1
Dec 06 03:48:16.214 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 06 03:48:16.703 INFO [stdout] 3e3b352b2312fd0471cd457c004bdce28690c92e02af174af21a5622050c6fa7
Dec 06 03:48:16.705 INFO running `"docker" "start" "-a" "3e3b352b2312fd0471cd457c004bdce28690c92e02af174af21a5622050c6fa7"`
Dec 06 03:48:17.476 INFO [stderr] usermod: no changes
Dec 06 03:48:17.508 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 03:48:17.513 INFO [stderr]      Running /target/debug/deps/collections-01f506ecd9128c8d
Dec 06 03:48:17.516 INFO [stdout] 
Dec 06 03:48:17.516 INFO [stdout] running 0 tests
Dec 06 03:48:17.516 INFO [stdout] 
Dec 06 03:48:17.516 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 03:48:17.516 INFO [stdout] 
Dec 06 03:48:17.521 INFO [stderr] su: No module specific data is present
Dec 06 03:48:17.773 INFO running `"docker" "inspect" "3e3b352b2312fd0471cd457c004bdce28690c92e02af174af21a5622050c6fa7"`
Dec 06 03:48:17.879 INFO running `"docker" "rm" "-f" "3e3b352b2312fd0471cd457c004bdce28690c92e02af174af21a5622050c6fa7"`
Dec 06 03:48:17.989 INFO [stdout] 3e3b352b2312fd0471cd457c004bdce28690c92e02af174af21a5622050c6fa7