Dec 13 23:38:22.697 INFO testing chupe/rust-collections against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 23:38:22.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 23:38:22.906 INFO [stdout] 40d32f80774531b859f3cab71e69f32eacf4dad0377e9f81f5ed203ae7c022aa
Dec 13 23:38:22.909 INFO running `"docker" "start" "-a" "40d32f80774531b859f3cab71e69f32eacf4dad0377e9f81f5ed203ae7c022aa"`
Dec 13 23:38:23.443 INFO [stderr] usermod: no changes
Dec 13 23:38:23.500 INFO [stderr]    Compiling collections v0.1.0 (/source)
Dec 13 23:38:24.021 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 13 23:38:24.021 INFO [stderr]   --> src/main.rs:19:13
Dec 13 23:38:24.021 INFO [stderr]    |
Dec 13 23:38:24.021 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 13 23:38:24.021 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 13 23:38:24.021 INFO [stderr]    |
Dec 13 23:38:24.021 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 13 23:38:24.021 INFO [stderr] 
Dec 13 23:38:24.655 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 13 23:38:24.655 INFO [stderr] su: No module specific data is present
Dec 13 23:38:25.127 INFO running `"docker" "inspect" "40d32f80774531b859f3cab71e69f32eacf4dad0377e9f81f5ed203ae7c022aa"`
Dec 13 23:38:25.338 INFO running `"docker" "rm" "-f" "40d32f80774531b859f3cab71e69f32eacf4dad0377e9f81f5ed203ae7c022aa"`
Dec 13 23:38:25.520 INFO [stdout] 40d32f80774531b859f3cab71e69f32eacf4dad0377e9f81f5ed203ae7c022aa
Dec 13 23:38:25.521 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 23:38:25.756 INFO [stdout] 7ec620c2cad823e231f997a9fdfd644e1d0c150004d0efc90cb9cc273ac730fe
Dec 13 23:38:25.797 INFO running `"docker" "start" "-a" "7ec620c2cad823e231f997a9fdfd644e1d0c150004d0efc90cb9cc273ac730fe"`
Dec 13 23:38:26.315 INFO [stderr] usermod: no changes
Dec 13 23:38:26.315 INFO [stderr]    Compiling collections v0.1.0 (/source)
Dec 13 23:38:26.862 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 13 23:38:26.863 INFO [stderr]   --> src/main.rs:19:13
Dec 13 23:38:26.863 INFO [stderr]    |
Dec 13 23:38:26.863 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 13 23:38:26.863 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 13 23:38:26.863 INFO [stderr]    |
Dec 13 23:38:26.863 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 13 23:38:26.863 INFO [stderr] 
Dec 13 23:38:27.156 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 13 23:38:27.161 INFO [stderr] su: No module specific data is present
Dec 13 23:38:27.919 INFO running `"docker" "inspect" "7ec620c2cad823e231f997a9fdfd644e1d0c150004d0efc90cb9cc273ac730fe"`
Dec 13 23:38:28.129 INFO running `"docker" "rm" "-f" "7ec620c2cad823e231f997a9fdfd644e1d0c150004d0efc90cb9cc273ac730fe"`
Dec 13 23:38:28.378 INFO [stdout] 7ec620c2cad823e231f997a9fdfd644e1d0c150004d0efc90cb9cc273ac730fe
Dec 13 23:38:28.380 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 23:38:28.570 INFO [stdout] 1812e5cff94149bbf5b86838a3acf6721c3b5604211b6f51af6a0a0d37b31648
Dec 13 23:38:28.576 INFO running `"docker" "start" "-a" "1812e5cff94149bbf5b86838a3acf6721c3b5604211b6f51af6a0a0d37b31648"`
Dec 13 23:38:29.086 INFO [stderr] usermod: no changes
Dec 13 23:38:29.144 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 23:38:29.152 INFO [stderr]      Running /target/debug/deps/collections-86ec16a9508c654d
Dec 13 23:38:29.155 INFO [stdout] 
Dec 13 23:38:29.155 INFO [stdout] running 0 tests
Dec 13 23:38:29.155 INFO [stdout] 
Dec 13 23:38:29.155 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 23:38:29.155 INFO [stdout] 
Dec 13 23:38:29.171 INFO [stderr] su: No module specific data is present
Dec 13 23:38:29.611 INFO running `"docker" "inspect" "1812e5cff94149bbf5b86838a3acf6721c3b5604211b6f51af6a0a0d37b31648"`
Dec 13 23:38:29.861 INFO running `"docker" "rm" "-f" "1812e5cff94149bbf5b86838a3acf6721c3b5604211b6f51af6a0a0d37b31648"`
Dec 13 23:38:30.123 INFO [stdout] 1812e5cff94149bbf5b86838a3acf6721c3b5604211b6f51af6a0a0d37b31648