[INFO] updating cached repository EvilRobotOverlord/mnist-dataset-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EvilRobotOverlord/mnist-dataset-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EvilRobotOverlord/mnist-dataset-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/EvilRobotOverlord/mnist-dataset-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/EvilRobotOverlord/mnist-dataset-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EvilRobotOverlord/mnist-dataset-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/EvilRobotOverlord/mnist-dataset-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/EvilRobotOverlord/mnist-dataset-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d7b48065345e32b3a432e72cc77512b86f513d3c
[INFO] sha for GitHub repo EvilRobotOverlord/mnist-dataset-rust: d7b48065345e32b3a432e72cc77512b86f513d3c
[INFO] validating manifest of EvilRobotOverlord/mnist-dataset-rust 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 EvilRobotOverlord/mnist-dataset-rust 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 EvilRobotOverlord/mnist-dataset-rust
[INFO] finished frobbing EvilRobotOverlord/mnist-dataset-rust
[INFO] frobbed toml for EvilRobotOverlord/mnist-dataset-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/EvilRobotOverlord/mnist-dataset-rust/Cargo.toml
[INFO] started frobbing EvilRobotOverlord/mnist-dataset-rust
[INFO] finished frobbing EvilRobotOverlord/mnist-dataset-rust
[INFO] frobbed toml for EvilRobotOverlord/mnist-dataset-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/EvilRobotOverlord/mnist-dataset-rust/Cargo.toml
[INFO] crate EvilRobotOverlord/mnist-dataset-rust 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] building EvilRobotOverlord/mnist-dataset-rust against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/EvilRobotOverlord/mnist-dataset-rust:/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] 9c72fed809e5c5ffae3935ecf7177ebe148ce76a51f063e3c4508e049d4badf6
[INFO] running `"docker" "start" "-a" "9c72fed809e5c5ffae3935ecf7177ebe148ce76a51f063e3c4508e049d4badf6"`
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling filetime v0.2.1
[INFO] [stderr]    Compiling xattr v0.2.1
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling tar v0.4.15
[INFO] [stderr]    Compiling mnist-dataset-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.46s
[INFO] running `"docker" "inspect" "9c72fed809e5c5ffae3935ecf7177ebe148ce76a51f063e3c4508e049d4badf6"`
[INFO] running `"docker" "rm" "-f" "9c72fed809e5c5ffae3935ecf7177ebe148ce76a51f063e3c4508e049d4badf6"`
[INFO] [stdout] 9c72fed809e5c5ffae3935ecf7177ebe148ce76a51f063e3c4508e049d4badf6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/EvilRobotOverlord/mnist-dataset-rust:/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] c099e47431271cc380344d5a57a946a2a976e8c69ac72ad441c5a35a117f8cb5
[INFO] running `"docker" "start" "-a" "c099e47431271cc380344d5a57a946a2a976e8c69ac72ad441c5a35a117f8cb5"`
[INFO] [stderr]    Compiling mnist-dataset-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "c099e47431271cc380344d5a57a946a2a976e8c69ac72ad441c5a35a117f8cb5"`
[INFO] running `"docker" "rm" "-f" "c099e47431271cc380344d5a57a946a2a976e8c69ac72ad441c5a35a117f8cb5"`
[INFO] [stdout] c099e47431271cc380344d5a57a946a2a976e8c69ac72ad441c5a35a117f8cb5