Dec 13 13:54:44.228 INFO testing kk1fff/backprop against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 13:54:44.228 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13:54:44.631 INFO [stdout] 871cbd9af7601b6b49d4f9fe6cd1caf3fc466a0357758ff90fd29ff641df6849
Dec 13 13:54:44.639 INFO running `"docker" "start" "-a" "871cbd9af7601b6b49d4f9fe6cd1caf3fc466a0357758ff90fd29ff641df6849"`
Dec 13 13:54:45.319 INFO [stderr] usermod: no changes
Dec 13 13:54:45.383 INFO [stderr]    Compiling backprop v0.1.0 (/source)
Dec 13 13:54:45.767 INFO [stderr] warning: field is never used: `name`
Dec 13 13:54:45.767 INFO [stderr]   --> src/main.rs:46:5
Dec 13 13:54:45.767 INFO [stderr]    |
Dec 13 13:54:45.767 INFO [stderr] 46 |     name: String,
Dec 13 13:54:45.767 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 13 13:54:45.767 INFO [stderr]    |
Dec 13 13:54:45.767 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 13:54:45.767 INFO [stderr] 
Dec 13 13:54:45.767 INFO [stderr] warning: field is never used: `name`
Dec 13 13:54:45.767 INFO [stderr]   --> src/main.rs:93:5
Dec 13 13:54:45.767 INFO [stderr]    |
Dec 13 13:54:45.767 INFO [stderr] 93 |     name: String,
Dec 13 13:54:45.767 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 13 13:54:45.767 INFO [stderr] 
Dec 13 13:54:45.767 INFO [stderr] warning: field is never used: `op_set`
Dec 13 13:54:45.767 INFO [stderr]   --> src/main.rs:94:5
Dec 13 13:54:45.767 INFO [stderr]    |
Dec 13 13:54:45.767 INFO [stderr] 94 |     op_set: HashSet<String>,
Dec 13 13:54:45.767 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 13:54:45.767 INFO [stderr] 
Dec 13 13:54:46.211 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 13 13:54:46.211 INFO [stderr] su: No module specific data is present
Dec 13 13:54:46.709 INFO running `"docker" "inspect" "871cbd9af7601b6b49d4f9fe6cd1caf3fc466a0357758ff90fd29ff641df6849"`
Dec 13 13:54:46.927 INFO running `"docker" "rm" "-f" "871cbd9af7601b6b49d4f9fe6cd1caf3fc466a0357758ff90fd29ff641df6849"`
Dec 13 13:54:47.083 INFO [stdout] 871cbd9af7601b6b49d4f9fe6cd1caf3fc466a0357758ff90fd29ff641df6849
Dec 13 13:54:47.084 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13:54:47.585 INFO [stdout] 09f03e2cedee3ce6bc04d2c7bb689d1dc8f54a2e38ed9516d77b38c9a93d6f90
Dec 13 13:54:47.585 INFO running `"docker" "start" "-a" "09f03e2cedee3ce6bc04d2c7bb689d1dc8f54a2e38ed9516d77b38c9a93d6f90"`
Dec 13 13:54:48.667 INFO [stderr] usermod: no changes
Dec 13 13:54:48.691 INFO [stderr]    Compiling backprop v0.1.0 (/source)
Dec 13 13:54:49.075 INFO [stderr] warning: field is never used: `name`
Dec 13 13:54:49.075 INFO [stderr]   --> src/main.rs:46:5
Dec 13 13:54:49.075 INFO [stderr]    |
Dec 13 13:54:49.075 INFO [stderr] 46 |     name: String,
Dec 13 13:54:49.075 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 13 13:54:49.075 INFO [stderr]    |
Dec 13 13:54:49.075 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 13:54:49.075 INFO [stderr] 
Dec 13 13:54:49.075 INFO [stderr] warning: field is never used: `name`
Dec 13 13:54:49.075 INFO [stderr]   --> src/main.rs:93:5
Dec 13 13:54:49.075 INFO [stderr]    |
Dec 13 13:54:49.075 INFO [stderr] 93 |     name: String,
Dec 13 13:54:49.075 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 13 13:54:49.075 INFO [stderr] 
Dec 13 13:54:49.075 INFO [stderr] warning: field is never used: `op_set`
Dec 13 13:54:49.075 INFO [stderr]   --> src/main.rs:94:5
Dec 13 13:54:49.075 INFO [stderr]    |
Dec 13 13:54:49.075 INFO [stderr] 94 |     op_set: HashSet<String>,
Dec 13 13:54:49.075 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 13:54:49.075 INFO [stderr] 
Dec 13 13:54:49.404 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 13 13:54:49.406 INFO [stderr] su: No module specific data is present
Dec 13 13:54:50.159 INFO running `"docker" "inspect" "09f03e2cedee3ce6bc04d2c7bb689d1dc8f54a2e38ed9516d77b38c9a93d6f90"`
Dec 13 13:54:50.472 INFO running `"docker" "rm" "-f" "09f03e2cedee3ce6bc04d2c7bb689d1dc8f54a2e38ed9516d77b38c9a93d6f90"`
Dec 13 13:54:50.778 INFO [stdout] 09f03e2cedee3ce6bc04d2c7bb689d1dc8f54a2e38ed9516d77b38c9a93d6f90
Dec 13 13:54:50.785 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13:54:51.363 INFO [stdout] ec70a46d604cf0f705c4df1c5118f0dce9100d0ace278ead816619d5b0bc57e7
Dec 13 13:54:51.363 INFO running `"docker" "start" "-a" "ec70a46d604cf0f705c4df1c5118f0dce9100d0ace278ead816619d5b0bc57e7"`
Dec 13 13:54:52.577 INFO [stderr] usermod: no changes
Dec 13 13:54:52.641 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 13:54:52.647 INFO [stderr]      Running /target/debug/deps/backprop-494e23ee4a7f3bb9
Dec 13 13:54:52.659 INFO [stdout] 
Dec 13 13:54:52.659 INFO [stdout] running 0 tests
Dec 13 13:54:52.659 INFO [stdout] 
Dec 13 13:54:52.659 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 13:54:52.659 INFO [stdout] 
Dec 13 13:54:52.660 INFO [stderr] su: No module specific data is present
Dec 13 13:54:53.459 INFO running `"docker" "inspect" "ec70a46d604cf0f705c4df1c5118f0dce9100d0ace278ead816619d5b0bc57e7"`
Dec 13 13:54:53.852 INFO running `"docker" "rm" "-f" "ec70a46d604cf0f705c4df1c5118f0dce9100d0ace278ead816619d5b0bc57e7"`
Dec 13 13:54:54.142 INFO [stdout] ec70a46d604cf0f705c4df1c5118f0dce9100d0ace278ead816619d5b0bc57e7