Nov 16 22:18:58.107 INFO testing kk1fff/backprop against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 22:18:58.108 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 16 22:18:58.483 INFO [stdout] 4d48b40be9bbe71de632dd062bbf04eaae0f3ff969359897047185cf47f15d91
Nov 16 22:18:58.483 INFO running `"docker" "start" "-a" "4d48b40be9bbe71de632dd062bbf04eaae0f3ff969359897047185cf47f15d91"`
Nov 16 22:18:59.218 INFO [stderr] usermod: no changes
Nov 16 22:18:59.249 INFO [stderr]    Compiling backprop v0.1.0 (/source)
Nov 16 22:18:59.531 INFO [stderr] warning: field is never used: `name`
Nov 16 22:18:59.531 INFO [stderr]   --> src/main.rs:46:5
Nov 16 22:18:59.531 INFO [stderr]    |
Nov 16 22:18:59.531 INFO [stderr] 46 |     name: String,
Nov 16 22:18:59.531 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 16 22:18:59.531 INFO [stderr]    |
Nov 16 22:18:59.531 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 22:18:59.531 INFO [stderr] 
Nov 16 22:18:59.531 INFO [stderr] warning: field is never used: `name`
Nov 16 22:18:59.531 INFO [stderr]   --> src/main.rs:93:5
Nov 16 22:18:59.531 INFO [stderr]    |
Nov 16 22:18:59.531 INFO [stderr] 93 |     name: String,
Nov 16 22:18:59.531 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 16 22:18:59.531 INFO [stderr] 
Nov 16 22:18:59.531 INFO [stderr] warning: field is never used: `op_set`
Nov 16 22:18:59.531 INFO [stderr]   --> src/main.rs:94:5
Nov 16 22:18:59.531 INFO [stderr]    |
Nov 16 22:18:59.531 INFO [stderr] 94 |     op_set: HashSet<String>,
Nov 16 22:18:59.531 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:18:59.531 INFO [stderr] 
Nov 16 22:18:59.975 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Nov 16 22:18:59.979 INFO [stderr] su: No module specific data is present
Nov 16 22:19:00.405 INFO running `"docker" "inspect" "4d48b40be9bbe71de632dd062bbf04eaae0f3ff969359897047185cf47f15d91"`
Nov 16 22:19:00.695 INFO running `"docker" "rm" "-f" "4d48b40be9bbe71de632dd062bbf04eaae0f3ff969359897047185cf47f15d91"`
Nov 16 22:19:00.967 INFO [stdout] 4d48b40be9bbe71de632dd062bbf04eaae0f3ff969359897047185cf47f15d91
Nov 16 22:19:00.981 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 16 22:19:01.427 INFO [stdout] eed0dabe9f9e2b4bc98185f3ae5882059b7704a0361b7794dbfb446f8a26a215
Nov 16 22:19:01.429 INFO running `"docker" "start" "-a" "eed0dabe9f9e2b4bc98185f3ae5882059b7704a0361b7794dbfb446f8a26a215"`
Nov 16 22:19:02.024 INFO [stderr] usermod: no changes
Nov 16 22:19:02.044 INFO [stderr]    Compiling backprop v0.1.0 (/source)
Nov 16 22:19:02.299 INFO [stderr] warning: field is never used: `name`
Nov 16 22:19:02.299 INFO [stderr]   --> src/main.rs:46:5
Nov 16 22:19:02.299 INFO [stderr]    |
Nov 16 22:19:02.299 INFO [stderr] 46 |     name: String,
Nov 16 22:19:02.299 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 16 22:19:02.299 INFO [stderr]    |
Nov 16 22:19:02.299 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 22:19:02.299 INFO [stderr] 
Nov 16 22:19:02.299 INFO [stderr] warning: field is never used: `name`
Nov 16 22:19:02.299 INFO [stderr]   --> src/main.rs:93:5
Nov 16 22:19:02.299 INFO [stderr]    |
Nov 16 22:19:02.299 INFO [stderr] 93 |     name: String,
Nov 16 22:19:02.299 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 16 22:19:02.299 INFO [stderr] 
Nov 16 22:19:02.299 INFO [stderr] warning: field is never used: `op_set`
Nov 16 22:19:02.299 INFO [stderr]   --> src/main.rs:94:5
Nov 16 22:19:02.299 INFO [stderr]    |
Nov 16 22:19:02.299 INFO [stderr] 94 |     op_set: HashSet<String>,
Nov 16 22:19:02.299 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:19:02.299 INFO [stderr] 
Nov 16 22:19:02.501 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Nov 16 22:19:02.502 INFO [stderr] su: No module specific data is present
Nov 16 22:19:02.760 INFO running `"docker" "inspect" "eed0dabe9f9e2b4bc98185f3ae5882059b7704a0361b7794dbfb446f8a26a215"`
Nov 16 22:19:02.844 INFO running `"docker" "rm" "-f" "eed0dabe9f9e2b4bc98185f3ae5882059b7704a0361b7794dbfb446f8a26a215"`
Nov 16 22:19:02.943 INFO [stdout] eed0dabe9f9e2b4bc98185f3ae5882059b7704a0361b7794dbfb446f8a26a215
Nov 16 22:19:02.945 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 16 22:19:03.211 INFO [stdout] 4c580eeb18b8ff0278f0588f11a7915e302e5179d049150608f241db761dedb0
Nov 16 22:19:03.216 INFO running `"docker" "start" "-a" "4c580eeb18b8ff0278f0588f11a7915e302e5179d049150608f241db761dedb0"`
Nov 16 22:19:03.862 INFO [stderr] usermod: no changes
Nov 16 22:19:03.894 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 16 22:19:03.894 INFO [stderr]      Running /target/debug/deps/backprop-5c6955ea5ebdbd20
Nov 16 22:19:03.896 INFO [stdout] 
Nov 16 22:19:03.896 INFO [stdout] running 0 tests
Nov 16 22:19:03.896 INFO [stdout] 
Nov 16 22:19:03.896 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 22:19:03.896 INFO [stdout] 
Nov 16 22:19:03.898 INFO [stderr] su: No module specific data is present
Nov 16 22:19:04.134 INFO running `"docker" "inspect" "4c580eeb18b8ff0278f0588f11a7915e302e5179d049150608f241db761dedb0"`
Nov 16 22:19:04.216 INFO running `"docker" "rm" "-f" "4c580eeb18b8ff0278f0588f11a7915e302e5179d049150608f241db761dedb0"`
Nov 16 22:19:04.280 INFO [stdout] 4c580eeb18b8ff0278f0588f11a7915e302e5179d049150608f241db761dedb0