[INFO] updating cached repository zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task"` [INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task"` [INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a36781151295907c21ced7f21948de7e008d5346 [INFO] sha for GitHub repo zackmdavis/Machine_Numeral_Identification_and_Sorting_Task: a36781151295907c21ced7f21948de7e008d5346 [INFO] validating manifest of zackmdavis/Machine_Numeral_Identification_and_Sorting_Task on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zackmdavis/Machine_Numeral_Identification_and_Sorting_Task on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] finished frobbing zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] frobbed toml for zackmdavis/Machine_Numeral_Identification_and_Sorting_Task written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task/Cargo.toml [INFO] started frobbing zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] finished frobbing zackmdavis/Machine_Numeral_Identification_and_Sorting_Task [INFO] frobbed toml for zackmdavis/Machine_Numeral_Identification_and_Sorting_Task written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task/Cargo.toml [INFO] crate zackmdavis/Machine_Numeral_Identification_and_Sorting_Task has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking zackmdavis/Machine_Numeral_Identification_and_Sorting_Task against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-1/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9de21ff4fe9d0b6731f7fe7cdf63cc2c3d5ce38fe7f4b3a9df8ff354b3bc1c48 [INFO] running `"docker" "start" "-a" "9de21ff4fe9d0b6731f7fe7cdf63cc2c3d5ce38fe7f4b3a9df8ff354b3bc1c48"` [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Compiling matrixmultiply v0.1.14 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stderr] Checking rand v0.3.18 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] Checking rulinalg v0.3.7 [INFO] [stderr] Checking rusty-machine v0.5.4 [INFO] [stderr] Checking machine_numeral_identification_and_sorting_task v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: variant is never constructed: `Test` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Test [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `digit` [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | fn digit(&self, set: Set, index: usize) -> Digit { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Test` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Test [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `digit` [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | fn digit(&self, set: Set, index: usize) -> Digit { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.36s [INFO] running `"docker" "inspect" "9de21ff4fe9d0b6731f7fe7cdf63cc2c3d5ce38fe7f4b3a9df8ff354b3bc1c48"` [INFO] running `"docker" "rm" "-f" "9de21ff4fe9d0b6731f7fe7cdf63cc2c3d5ce38fe7f4b3a9df8ff354b3bc1c48"` [INFO] [stdout] 9de21ff4fe9d0b6731f7fe7cdf63cc2c3d5ce38fe7f4b3a9df8ff354b3bc1c48