Dec 18 07:36:38.921 INFO checking FredericDesgreniers/clip_watcher against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:36:38.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/FredericDesgreniers/clip_watcher:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:36:39.540 INFO [stdout] 27c6a5a0a2eef7ef8d5cf4d3b1ad427fe8c0039aedba693f398bc4c88c46e25b
Dec 18 07:36:39.542 INFO running `"docker" "start" "-a" "27c6a5a0a2eef7ef8d5cf4d3b1ad427fe8c0039aedba693f398bc4c88c46e25b"`
Dec 18 07:36:42.408 INFO [stderr]     Checking rayon-core v1.4.1
Dec 18 07:36:43.424 INFO [stderr]     Checking rayon v1.0.2
Dec 18 07:36:47.420 INFO [stderr]     Checking twitch v0.1.0 (/opt/crater/workdir/twitch)
Dec 18 07:36:51.590 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 07:36:51.591 INFO [stderr]  --> twitch/src/lib.rs:1:12
Dec 18 07:36:51.591 INFO [stderr]   |
Dec 18 07:36:51.591 INFO [stderr] 1 | #![feature(extern_prelude, attr_literals, nll)]
Dec 18 07:36:51.592 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 18 07:36:51.592 INFO [stderr]   |
Dec 18 07:36:51.592 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 07:36:51.592 INFO [stderr] 
Dec 18 07:36:51.593 INFO [stderr] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 07:36:51.593 INFO [stderr]  --> twitch/src/lib.rs:1:28
Dec 18 07:36:51.594 INFO [stderr]   |
Dec 18 07:36:51.594 INFO [stderr] 1 | #![feature(extern_prelude, attr_literals, nll)]
Dec 18 07:36:51.594 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 18 07:36:51.594 INFO [stderr] 
Dec 18 07:36:51.608 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 07:36:51.609 INFO [stderr]  --> twitch/src/lib.rs:1:12
Dec 18 07:36:51.609 INFO [stderr]   |
Dec 18 07:36:51.609 INFO [stderr] 1 | #![feature(extern_prelude, attr_literals, nll)]
Dec 18 07:36:51.610 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 18 07:36:51.610 INFO [stderr]   |
Dec 18 07:36:51.610 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 07:36:51.610 INFO [stderr] 
Dec 18 07:36:51.610 INFO [stderr] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 07:36:51.610 INFO [stderr]  --> twitch/src/lib.rs:1:28
Dec 18 07:36:51.610 INFO [stderr]   |
Dec 18 07:36:51.610 INFO [stderr] 1 | #![feature(extern_prelude, attr_literals, nll)]
Dec 18 07:36:51.610 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 18 07:36:51.610 INFO [stderr] 
Dec 18 07:36:51.737 INFO [stderr]     Checking clip_watcher v0.1.0 (/opt/crater/workdir)
Dec 18 07:36:54.396 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.41s
Dec 18 07:36:55.971 INFO running `"docker" "inspect" "27c6a5a0a2eef7ef8d5cf4d3b1ad427fe8c0039aedba693f398bc4c88c46e25b"`
Dec 18 07:36:56.396 INFO running `"docker" "rm" "-f" "27c6a5a0a2eef7ef8d5cf4d3b1ad427fe8c0039aedba693f398bc4c88c46e25b"`
Dec 18 07:36:56.781 INFO [stdout] 27c6a5a0a2eef7ef8d5cf4d3b1ad427fe8c0039aedba693f398bc4c88c46e25b