Nov 28 16:59:04.769 INFO checking tensor-0.1.2 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 16:59:04.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 16:59:05.342 INFO [stdout] 2799b0f2fdb07e71d3d2d7bf2a6438ccdedeac8d47ceda10c6f6b210f50904f5
Nov 28 16:59:05.344 INFO running `"docker" "start" "-a" "2799b0f2fdb07e71d3d2d7bf2a6438ccdedeac8d47ceda10c6f6b210f50904f5"`
Nov 28 16:59:06.677 INFO [stderr] usermod: no changes
Nov 28 16:59:06.836 INFO [stderr]     Checking tensor v0.1.2 (/source)
Nov 28 16:59:08.484 INFO [stderr] warning: variable does not need to be mutable
Nov 28 16:59:08.484 INFO [stderr]   --> src/tensor.rs:67:13
Nov 28 16:59:08.484 INFO [stderr]    |
Nov 28 16:59:08.484 INFO [stderr] 67 |         let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]);
Nov 28 16:59:08.484 INFO [stderr]    |             ----^^^^^^^^^^
Nov 28 16:59:08.484 INFO [stderr]    |             |
Nov 28 16:59:08.484 INFO [stderr]    |             help: remove this `mut`
Nov 28 16:59:08.484 INFO [stderr]    |
Nov 28 16:59:08.484 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 16:59:08.484 INFO [stderr] 
Nov 28 16:59:08.944 INFO [stderr] warning: variable does not need to be mutable
Nov 28 16:59:08.944 INFO [stderr]   --> src/tensor.rs:67:13
Nov 28 16:59:08.944 INFO [stderr]    |
Nov 28 16:59:08.944 INFO [stderr] 67 |         let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]);
Nov 28 16:59:08.944 INFO [stderr]    |             ----^^^^^^^^^^
Nov 28 16:59:08.944 INFO [stderr]    |             |
Nov 28 16:59:08.944 INFO [stderr]    |             help: remove this `mut`
Nov 28 16:59:08.944 INFO [stderr]    |
Nov 28 16:59:08.944 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 16:59:08.944 INFO [stderr] 
Nov 28 16:59:10.612 INFO [stderr] warning: variable does not need to be mutable
Nov 28 16:59:10.613 INFO [stderr]   --> src/tensor.rs:67:13
Nov 28 16:59:10.613 INFO [stderr]    |
Nov 28 16:59:10.613 INFO [stderr] 67 |         let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]);
Nov 28 16:59:10.613 INFO [stderr]    |             ----^^^^^^^^^^
Nov 28 16:59:10.614 INFO [stderr]    |             |
Nov 28 16:59:10.614 INFO [stderr]    |             help: remove this `mut`
Nov 28 16:59:10.614 INFO [stderr]    |
Nov 28 16:59:10.614 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 16:59:10.615 INFO [stderr] 
Nov 28 16:59:10.827 INFO [stderr] warning: variable does not need to be mutable
Nov 28 16:59:10.828 INFO [stderr]   --> src/tensor.rs:67:13
Nov 28 16:59:10.829 INFO [stderr]    |
Nov 28 16:59:10.829 INFO [stderr] 67 |         let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]);
Nov 28 16:59:10.829 INFO [stderr]    |             ----^^^^^^^^^^
Nov 28 16:59:10.829 INFO [stderr]    |             |
Nov 28 16:59:10.830 INFO [stderr]    |             help: remove this `mut`
Nov 28 16:59:10.830 INFO [stderr]    |
Nov 28 16:59:10.830 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 16:59:10.831 INFO [stderr] 
Nov 28 16:59:10.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
Nov 28 16:59:10.889 INFO [stderr] su: No module specific data is present
Nov 28 16:59:11.797 INFO running `"docker" "inspect" "2799b0f2fdb07e71d3d2d7bf2a6438ccdedeac8d47ceda10c6f6b210f50904f5"`
Nov 28 16:59:12.084 INFO running `"docker" "rm" "-f" "2799b0f2fdb07e71d3d2d7bf2a6438ccdedeac8d47ceda10c6f6b210f50904f5"`
Nov 28 16:59:12.501 INFO [stdout] 2799b0f2fdb07e71d3d2d7bf2a6438ccdedeac8d47ceda10c6f6b210f50904f5