[INFO] cloning repository Emmatipate/duck-duck-swim
[INFO] running `"git" "clone" "--bare" "git://github.com/Emmatipate/duck-duck-swim.git" "work/cache/sources/gh/Emmatipate/duck-duck-swim"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Emmatipate/duck-duck-swim'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Emmatipate/duck-duck-swim" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Emmatipate/duck-duck-swim"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Emmatipate/duck-duck-swim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Emmatipate/duck-duck-swim" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Emmatipate/duck-duck-swim"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Emmatipate/duck-duck-swim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b1431472f942b9d10dec0bc38c3e66fcedb88dd
[INFO] sha for GitHub repo Emmatipate/duck-duck-swim: 3b1431472f942b9d10dec0bc38c3e66fcedb88dd
[INFO] validating manifest of Emmatipate/duck-duck-swim 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 Emmatipate/duck-duck-swim 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 Emmatipate/duck-duck-swim
[INFO] finished frobbing Emmatipate/duck-duck-swim
[INFO] frobbed toml for Emmatipate/duck-duck-swim written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Emmatipate/duck-duck-swim/Cargo.toml
[INFO] started frobbing Emmatipate/duck-duck-swim
[INFO] finished frobbing Emmatipate/duck-duck-swim
[INFO] frobbed toml for Emmatipate/duck-duck-swim written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Emmatipate/duck-duck-swim/Cargo.toml
[INFO] crate Emmatipate/duck-duck-swim 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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Emmatipate/duck-duck-swim against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Emmatipate/duck-duck-swim:/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 182eebcd3c4bab5f3aecc7c171dc2b451e852f8f26feff9385802b3773ccbe84
[INFO] running `"docker" "start" "-a" "182eebcd3c4bab5f3aecc7c171dc2b451e852f8f26feff9385802b3773ccbe84"`
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]     Checking gfx v0.12.2
[INFO] [stderr]     Checking nalgebra v0.9.0
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking gfx_device_gl v0.11.2
[INFO] [stderr]     Checking pegasus v0.2.0
[INFO] [stderr]     Checking gfx_window_glutin v0.12.0
[INFO] [stderr]     Checking duck_duck_swim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut w = plan.mut_world();
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut w = plan.mut_world();
[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 22.44s
[INFO] running `"docker" "inspect" "182eebcd3c4bab5f3aecc7c171dc2b451e852f8f26feff9385802b3773ccbe84"`
[INFO] running `"docker" "rm" "-f" "182eebcd3c4bab5f3aecc7c171dc2b451e852f8f26feff9385802b3773ccbe84"`
[INFO] [stdout] 182eebcd3c4bab5f3aecc7c171dc2b451e852f8f26feff9385802b3773ccbe84