Dec 19 05:31:38.649 INFO checking willmtemple/synth-poc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:31:38.649 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/willmtemple/synth-poc:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:31:39.072 INFO [stdout] cd90f3d4a2d8ec2be2aa454ebe497b27a2d3befb6e3051a30e4a4b656485f60b
Dec 19 05:31:39.074 INFO running `"docker" "start" "-a" "cd90f3d4a2d8ec2be2aa454ebe497b27a2d3befb6e3051a30e4a4b656485f60b"`
Dec 19 05:31:40.111 INFO [stderr]     Checking scopeguard v0.3.3
Dec 19 05:31:40.112 INFO [stderr]     Checking either v1.4.0
Dec 19 05:31:40.112 INFO [stderr]     Checking typed-arena v1.3.0
Dec 19 05:31:40.114 INFO [stderr]     Checking num_cpus v1.7.0
Dec 19 05:31:40.373 INFO [stderr]     Checking coco v0.1.1
Dec 19 05:31:40.754 INFO [stderr]     Checking rayon-core v1.3.0
Dec 19 05:31:41.296 INFO [stderr]     Checking rayon v0.9.0
Dec 19 05:31:43.948 INFO [stderr]     Checking vasm-sim v0.1.0 (/opt/crater/workdir)
Dec 19 05:31:44.276 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 05:31:44.276 INFO [stderr]  --> src/main.rs:1:12
Dec 19 05:31:44.276 INFO [stderr]   |
Dec 19 05:31:44.276 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 19 05:31:44.276 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:44.276 INFO [stderr]   |
Dec 19 05:31:44.276 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 05:31:44.276 INFO [stderr] 
Dec 19 05:31:44.445 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 05:31:44.445 INFO [stderr]  --> src/main.rs:1:12
Dec 19 05:31:44.445 INFO [stderr]   |
Dec 19 05:31:44.445 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 19 05:31:44.445 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:44.445 INFO [stderr]   |
Dec 19 05:31:44.445 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 05:31:44.445 INFO [stderr] 
Dec 19 05:31:44.481 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
Dec 19 05:31:45.428 INFO running `"docker" "inspect" "cd90f3d4a2d8ec2be2aa454ebe497b27a2d3befb6e3051a30e4a4b656485f60b"`
Dec 19 05:31:45.832 INFO running `"docker" "rm" "-f" "cd90f3d4a2d8ec2be2aa454ebe497b27a2d3befb6e3051a30e4a4b656485f60b"`
Dec 19 05:31:46.089 INFO [stdout] cd90f3d4a2d8ec2be2aa454ebe497b27a2d3befb6e3051a30e4a4b656485f60b