[INFO] cloning repository Velfi/ca_play
[INFO] running `"git" "clone" "--bare" "git://github.com/Velfi/ca_play.git" "work/cache/sources/gh/Velfi/ca_play"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Velfi/ca_play'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Velfi/ca_play" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Velfi/ca_play"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Velfi/ca_play'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Velfi/ca_play" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Velfi/ca_play"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Velfi/ca_play'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73d12591b8231a6bbad06f32c640b18e74e13b8e
[INFO] sha for GitHub repo Velfi/ca_play: 73d12591b8231a6bbad06f32c640b18e74e13b8e
[INFO] validating manifest of Velfi/ca_play on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Velfi/ca_play on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Velfi/ca_play
[INFO] finished frobbing Velfi/ca_play
[INFO] frobbed toml for Velfi/ca_play written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Velfi/ca_play/Cargo.toml
[INFO] started frobbing Velfi/ca_play
[INFO] finished frobbing Velfi/ca_play
[INFO] frobbed toml for Velfi/ca_play written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Velfi/ca_play/Cargo.toml
[INFO] crate Velfi/ca_play already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Velfi/ca_play against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Velfi/ca_play:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8690dfd3065ba34ecf00dc903ba3be42272a4d151be73eb02afe65298cc2af72
[INFO] running `"docker" "start" "-a" "8690dfd3065ba34ecf00dc903ba3be42272a4d151be73eb02afe65298cc2af72"`
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking ca_play v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/cellular_automata.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alive`
[INFO] [stderr]   --> src/cellular_automata.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Alive,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wrapping`
[INFO] [stderr]   --> src/cellular_automata.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Wrapping,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/cellular_automata.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alive`
[INFO] [stderr]   --> src/cellular_automata.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Alive,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wrapping`
[INFO] [stderr]   --> src/cellular_automata.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Wrapping,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `"docker" "inspect" "8690dfd3065ba34ecf00dc903ba3be42272a4d151be73eb02afe65298cc2af72"`
[INFO] running `"docker" "rm" "-f" "8690dfd3065ba34ecf00dc903ba3be42272a4d151be73eb02afe65298cc2af72"`
[INFO] [stdout] 8690dfd3065ba34ecf00dc903ba3be42272a4d151be73eb02afe65298cc2af72