[INFO] cloning repository carlmartus/rscsg
[INFO] running `"git" "clone" "--bare" "git://github.com/carlmartus/rscsg.git" "work/cache/sources/gh/carlmartus/rscsg"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/carlmartus/rscsg'...
[INFO] running `"git" "clone" "work/cache/sources/gh/carlmartus/rscsg" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/carlmartus/rscsg"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/carlmartus/rscsg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carlmartus/rscsg" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/carlmartus/rscsg"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/carlmartus/rscsg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b48bb64755652f07a1f82e88e6f44aa298630d6d
[INFO] sha for GitHub repo carlmartus/rscsg: b48bb64755652f07a1f82e88e6f44aa298630d6d
[INFO] validating manifest of carlmartus/rscsg 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 carlmartus/rscsg 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 carlmartus/rscsg
[INFO] removed 0 missing examples
[INFO] finished frobbing carlmartus/rscsg
[INFO] frobbed toml for carlmartus/rscsg written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/carlmartus/rscsg/Cargo.toml
[INFO] started frobbing carlmartus/rscsg
[INFO] removed 0 missing examples
[INFO] finished frobbing carlmartus/rscsg
[INFO] frobbed toml for carlmartus/rscsg written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/carlmartus/rscsg/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/carlmartus/lingo`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/carlmartus/lingo`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking carlmartus/rscsg against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/carlmartus/rscsg:/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] dbbc54c5a618efcfba41f00eecfea2754b700d0eea7dd39b83f8e22f7ea27dc6
[INFO] running `"docker" "start" "-a" "dbbc54c5a618efcfba41f00eecfea2754b700d0eea7dd39b83f8e22f7ea27dc6"`
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rscsg v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dim2/bsp_node.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for mut line in lines {
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking lingo v0.4.0 (https://github.com/carlmartus/lingo?rev=549c85cb#549c85cb)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dim2/bsp_node.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for mut line in lines {
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.45s
[INFO] running `"docker" "inspect" "dbbc54c5a618efcfba41f00eecfea2754b700d0eea7dd39b83f8e22f7ea27dc6"`
[INFO] running `"docker" "rm" "-f" "dbbc54c5a618efcfba41f00eecfea2754b700d0eea7dd39b83f8e22f7ea27dc6"`
[INFO] [stdout] dbbc54c5a618efcfba41f00eecfea2754b700d0eea7dd39b83f8e22f7ea27dc6