[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/zackmdavis/Machine_Numeral_Identification_and_Sorting_Task"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zackmdavis/Machine_Numeral_Identification_and_Sorting_Task on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zackmdavis/Machine_Numeral_Identification_and_Sorting_Task against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 12eac5a995b3d96a93d4d9fc060919ba47ce62cb2c99f97a8037d6e4103860b0
[INFO] running `"docker" "start" "-a" "12eac5a995b3d96a93d4d9fc060919ba47ce62cb2c99f97a8037d6e4103860b0"`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling mnist v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling rulinalg v0.3.7
[INFO] [stderr]    Compiling rusty-machine v0.5.4
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `"docker" "inspect" "12eac5a995b3d96a93d4d9fc060919ba47ce62cb2c99f97a8037d6e4103860b0"`
[INFO] running `"docker" "rm" "-f" "12eac5a995b3d96a93d4d9fc060919ba47ce62cb2c99f97a8037d6e4103860b0"`
[INFO] [stdout] 12eac5a995b3d96a93d4d9fc060919ba47ce62cb2c99f97a8037d6e4103860b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 13e16971c35c39c587cb3b2bee04aab526e33f6a2ea8a8cbc0adc3dba9e63dfe
[INFO] running `"docker" "start" "-a" "13e16971c35c39c587cb3b2bee04aab526e33f6a2ea8a8cbc0adc3dba9e63dfe"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "13e16971c35c39c587cb3b2bee04aab526e33f6a2ea8a8cbc0adc3dba9e63dfe"`
[INFO] running `"docker" "rm" "-f" "13e16971c35c39c587cb3b2bee04aab526e33f6a2ea8a8cbc0adc3dba9e63dfe"`
[INFO] [stdout] 13e16971c35c39c587cb3b2bee04aab526e33f6a2ea8a8cbc0adc3dba9e63dfe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 037669f949683c772be6419656c9fe9bd58622bbed6f10237e0975619fa724c5
[INFO] running `"docker" "start" "-a" "037669f949683c772be6419656c9fe9bd58622bbed6f10237e0975619fa724c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/machine_numeral_identification_and_sorting_task-335916788d972063
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "037669f949683c772be6419656c9fe9bd58622bbed6f10237e0975619fa724c5"`
[INFO] running `"docker" "rm" "-f" "037669f949683c772be6419656c9fe9bd58622bbed6f10237e0975619fa724c5"`
[INFO] [stdout] 037669f949683c772be6419656c9fe9bd58622bbed6f10237e0975619fa724c5