Dec 05 05:42:49.266 INFO checking tensor-0.1.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 05:42:49.266 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-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 05 05:42:49.723 INFO [stdout] 3380c029db0b54fbc96eaff7585a301d0d55b7b7058e7b5a36f0769c88bcef77
Dec 05 05:42:49.731 INFO running `"docker" "start" "-a" "3380c029db0b54fbc96eaff7585a301d0d55b7b7058e7b5a36f0769c88bcef77"`
Dec 05 05:42:51.443 INFO [stderr] usermod: no changes
Dec 05 05:42:51.522 INFO [stderr]     Checking tensor v0.1.2 (/source)
Dec 05 05:42:53.127 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:42:53.127 INFO [stderr]   --> src/tensor.rs:67:13
Dec 05 05:42:53.127 INFO [stderr]    |
Dec 05 05:42:53.127 INFO [stderr] 67 |         let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]);
Dec 05 05:42:53.127 INFO [stderr]    |             ----^^^^^^^^^^
Dec 05 05:42:53.127 INFO [stderr]    |             |
Dec 05 05:42:53.127 INFO [stderr]    |             help: remove this `mut`
Dec 05 05:42:53.127 INFO [stderr]    |
Dec 05 05:42:53.127 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 05:42:53.127 INFO [stderr] 
Dec 05 05:42:53.207 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:42:53.207 INFO [stderr]   --> src/tensor.rs:67:13
Dec 05 05:42:53.207 INFO [stderr]    |
Dec 05 05:42:53.207 INFO [stderr] 67 |         let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]);
Dec 05 05:42:53.207 INFO [stderr]    |             ----^^^^^^^^^^
Dec 05 05:42:53.207 INFO [stderr]    |             |
Dec 05 05:42:53.207 INFO [stderr]    |             help: remove this `mut`
Dec 05 05:42:53.207 INFO [stderr]    |
Dec 05 05:42:53.207 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 05:42:53.207 INFO [stderr] 
Dec 05 05:42:55.247 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:42:55.247 INFO [stderr]   --> src/tensor.rs:67:13
Dec 05 05:42:55.247 INFO [stderr]    |
Dec 05 05:42:55.247 INFO [stderr] 67 |         let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]);
Dec 05 05:42:55.247 INFO [stderr]    |             ----^^^^^^^^^^
Dec 05 05:42:55.247 INFO [stderr]    |             |
Dec 05 05:42:55.247 INFO [stderr]    |             help: remove this `mut`
Dec 05 05:42:55.247 INFO [stderr]    |
Dec 05 05:42:55.247 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 05:42:55.247 INFO [stderr] 
Dec 05 05:42:55.295 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:42:55.295 INFO [stderr]   --> src/tensor.rs:67:13
Dec 05 05:42:55.295 INFO [stderr]    |
Dec 05 05:42:55.295 INFO [stderr] 67 |         let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]);
Dec 05 05:42:55.295 INFO [stderr]    |             ----^^^^^^^^^^
Dec 05 05:42:55.295 INFO [stderr]    |             |
Dec 05 05:42:55.295 INFO [stderr]    |             help: remove this `mut`
Dec 05 05:42:55.295 INFO [stderr]    |
Dec 05 05:42:55.295 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 05:42:55.295 INFO [stderr] 
Dec 05 05:42:55.371 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
Dec 05 05:42:55.379 INFO [stderr] su: No module specific data is present
Dec 05 05:42:56.291 INFO running `"docker" "inspect" "3380c029db0b54fbc96eaff7585a301d0d55b7b7058e7b5a36f0769c88bcef77"`
Dec 05 05:42:56.622 INFO running `"docker" "rm" "-f" "3380c029db0b54fbc96eaff7585a301d0d55b7b7058e7b5a36f0769c88bcef77"`
Dec 05 05:42:57.014 INFO [stdout] 3380c029db0b54fbc96eaff7585a301d0d55b7b7058e7b5a36f0769c88bcef77