Dec 13 13:54:46.669 INFO testing kk1fff/backprop against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 13:54:46.670 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13:54:47.083 INFO [stdout] dc77c54c274d7bd1152a6198c94ef9b58f8b6dddb6c4595b19165b8251848522
Dec 13 13:54:47.083 INFO running `"docker" "start" "-a" "dc77c54c274d7bd1152a6198c94ef9b58f8b6dddb6c4595b19165b8251848522"`
Dec 13 13:54:47.832 INFO [stderr] usermod: no changes
Dec 13 13:54:47.887 INFO [stderr]    Compiling backprop v0.1.0 (/source)
Dec 13 13:54:48.275 INFO [stderr] warning: field is never used: `name`
Dec 13 13:54:48.275 INFO [stderr]   --> src/main.rs:46:5
Dec 13 13:54:48.275 INFO [stderr]    |
Dec 13 13:54:48.275 INFO [stderr] 46 |     name: String,
Dec 13 13:54:48.275 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 13 13:54:48.275 INFO [stderr]    |
Dec 13 13:54:48.275 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 13:54:48.275 INFO [stderr] 
Dec 13 13:54:48.275 INFO [stderr] warning: field is never used: `name`
Dec 13 13:54:48.275 INFO [stderr]   --> src/main.rs:93:5
Dec 13 13:54:48.275 INFO [stderr]    |
Dec 13 13:54:48.275 INFO [stderr] 93 |     name: String,
Dec 13 13:54:48.275 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 13 13:54:48.275 INFO [stderr] 
Dec 13 13:54:48.275 INFO [stderr] warning: field is never used: `op_set`
Dec 13 13:54:48.275 INFO [stderr]   --> src/main.rs:94:5
Dec 13 13:54:48.275 INFO [stderr]    |
Dec 13 13:54:48.275 INFO [stderr] 94 |     op_set: HashSet<String>,
Dec 13 13:54:48.275 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 13:54:48.275 INFO [stderr] 
Dec 13 13:54:49.075 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 13 13:54:49.075 INFO [stderr] su: No module specific data is present
Dec 13 13:54:49.818 INFO running `"docker" "inspect" "dc77c54c274d7bd1152a6198c94ef9b58f8b6dddb6c4595b19165b8251848522"`
Dec 13 13:54:50.065 INFO running `"docker" "rm" "-f" "dc77c54c274d7bd1152a6198c94ef9b58f8b6dddb6c4595b19165b8251848522"`
Dec 13 13:54:50.366 INFO [stdout] dc77c54c274d7bd1152a6198c94ef9b58f8b6dddb6c4595b19165b8251848522
Dec 13 13:54:50.369 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13:54:50.881 INFO [stdout] cf0c353401a1f0177d84a589c87069406b5c6dcbfb25e8705f769434352271ed
Dec 13 13:54:50.887 INFO running `"docker" "start" "-a" "cf0c353401a1f0177d84a589c87069406b5c6dcbfb25e8705f769434352271ed"`
Dec 13 13:54:52.156 INFO [stderr] usermod: no changes
Dec 13 13:54:52.215 INFO [stderr]    Compiling backprop v0.1.0 (/source)
Dec 13 13:54:52.619 INFO [stderr] warning: field is never used: `name`
Dec 13 13:54:52.619 INFO [stderr]   --> src/main.rs:46:5
Dec 13 13:54:52.619 INFO [stderr]    |
Dec 13 13:54:52.619 INFO [stderr] 46 |     name: String,
Dec 13 13:54:52.619 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 13 13:54:52.619 INFO [stderr]    |
Dec 13 13:54:52.619 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 13:54:52.619 INFO [stderr] 
Dec 13 13:54:52.619 INFO [stderr] warning: field is never used: `name`
Dec 13 13:54:52.619 INFO [stderr]   --> src/main.rs:93:5
Dec 13 13:54:52.619 INFO [stderr]    |
Dec 13 13:54:52.619 INFO [stderr] 93 |     name: String,
Dec 13 13:54:52.619 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 13 13:54:52.619 INFO [stderr] 
Dec 13 13:54:52.619 INFO [stderr] warning: field is never used: `op_set`
Dec 13 13:54:52.619 INFO [stderr]   --> src/main.rs:94:5
Dec 13 13:54:52.619 INFO [stderr]    |
Dec 13 13:54:52.619 INFO [stderr] 94 |     op_set: HashSet<String>,
Dec 13 13:54:52.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 13:54:52.619 INFO [stderr] 
Dec 13 13:54:53.004 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 13 13:54:53.011 INFO [stderr] su: No module specific data is present
Dec 13 13:54:53.640 INFO running `"docker" "inspect" "cf0c353401a1f0177d84a589c87069406b5c6dcbfb25e8705f769434352271ed"`
Dec 13 13:54:53.899 INFO running `"docker" "rm" "-f" "cf0c353401a1f0177d84a589c87069406b5c6dcbfb25e8705f769434352271ed"`
Dec 13 13:54:54.148 INFO [stdout] cf0c353401a1f0177d84a589c87069406b5c6dcbfb25e8705f769434352271ed
Dec 13 13:54:54.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13:54:54.613 INFO [stdout] b1e176c7b031c3debfe40364d65fd0d555f44e003e3c3e8b49ca2cb399d1b1d6
Dec 13 13:54:54.615 INFO running `"docker" "start" "-a" "b1e176c7b031c3debfe40364d65fd0d555f44e003e3c3e8b49ca2cb399d1b1d6"`
Dec 13 13:54:55.231 INFO [stderr] usermod: no changes
Dec 13 13:54:55.256 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 13:54:55.256 INFO [stderr]      Running /target/debug/deps/backprop-085dfe4d3764763d
Dec 13 13:54:55.257 INFO [stdout] 
Dec 13 13:54:55.257 INFO [stdout] running 0 tests
Dec 13 13:54:55.257 INFO [stdout] 
Dec 13 13:54:55.257 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 13:54:55.257 INFO [stdout] 
Dec 13 13:54:55.259 INFO [stderr] su: No module specific data is present
Dec 13 13:54:55.627 INFO running `"docker" "inspect" "b1e176c7b031c3debfe40364d65fd0d555f44e003e3c3e8b49ca2cb399d1b1d6"`
Dec 13 13:54:55.736 INFO running `"docker" "rm" "-f" "b1e176c7b031c3debfe40364d65fd0d555f44e003e3c3e8b49ca2cb399d1b1d6"`
Dec 13 13:54:55.885 INFO [stdout] b1e176c7b031c3debfe40364d65fd0d555f44e003e3c3e8b49ca2cb399d1b1d6