Sep 19 23:18:54.169 INFO checking ktensor-0.1.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 23:18:54.169 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 23:18:54.169 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:18:54.381 INFO blam! 77ed699b16a18927d7cbb778ec61ac1c2e0dab6f79671c7166511402e078e3f6
Sep 19 23:18:54.382 INFO running `"docker" "start" "-a" "77ed699b16a18927d7cbb778ec61ac1c2e0dab6f79671c7166511402e078e3f6"`
Sep 19 23:18:55.645 INFO kablam! usermod: no changes
Sep 19 23:18:55.677 INFO kablam!     Checking ktensor v0.1.0 (/source)
Sep 19 23:18:56.903 INFO kablam! warning: function is never used: `read_u8`
Sep 19 23:18:56.903 INFO kablam!  --> tests/mnist.rs:9:1
Sep 19 23:18:56.903 INFO kablam!   |
Sep 19 23:18:56.903 INFO kablam! 9 | fn read_u8(reader: &mut Read) -> u8 {
Sep 19 23:18:56.903 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:18:56.903 INFO kablam!   |
Sep 19 23:18:56.903 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 19 23:18:56.903 INFO kablam! 
Sep 19 23:18:56.953 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Sep 19 23:18:56.957 INFO kablam! su: No module specific data is present
Sep 19 23:18:57.535 INFO running `"docker" "rm" "-f" "77ed699b16a18927d7cbb778ec61ac1c2e0dab6f79671c7166511402e078e3f6"`
Sep 19 23:18:57.626 INFO blam! 77ed699b16a18927d7cbb778ec61ac1c2e0dab6f79671c7166511402e078e3f6