Dec 02 22:16:28.081 INFO testing pollock-0.3.2 against 1.30.1 for beta-1.31-5
Dec 02 22:16:28.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 22:16:28.456 INFO [stdout] a9f9c73847797f595d7250146417f82fa3112c6630125dffb95e0b9a2fc1f570
Dec 02 22:16:28.458 INFO running `"docker" "start" "-a" "a9f9c73847797f595d7250146417f82fa3112c6630125dffb95e0b9a2fc1f570"`
Dec 02 22:16:29.757 INFO [stderr] usermod: no changes
Dec 02 22:16:30.219 INFO [stderr]    Compiling serde v1.0.80
Dec 02 22:16:30.226 INFO [stderr]    Compiling num-complex v0.2.1
Dec 02 22:16:30.227 INFO [stderr]    Compiling rgb v0.8.11
Dec 02 22:16:30.227 INFO [stderr]    Compiling imgref v1.3.5
Dec 02 22:16:30.228 INFO [stderr]    Compiling resize v0.3.0
Dec 02 22:16:30.228 INFO [stderr]    Compiling natord v1.0.9
Dec 02 22:16:30.228 INFO [stderr]    Compiling wild v2.0.1
Dec 02 22:16:30.229 INFO [stderr]    Compiling imagequant-sys v2.12.2
Dec 02 22:16:34.420 INFO [stderr]    Compiling crossbeam-utils v0.6.1
Dec 02 22:16:34.428 INFO [stderr]    Compiling crossbeam-epoch v0.5.2
Dec 02 22:16:34.484 INFO [stderr]    Compiling nix v0.11.0
Dec 02 22:16:34.757 INFO [stderr]    Compiling lodepng v2.4.2
Dec 02 22:16:35.432 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 02 22:16:35.998 INFO [stderr]    Compiling gif-dispose v2.1.1
Dec 02 22:16:37.030 INFO [stderr]    Compiling tiff v0.2.1
Dec 02 22:16:37.784 INFO [stderr]    Compiling crossbeam-epoch v0.6.1
Dec 02 22:16:40.677 INFO [stderr]    Compiling wayland-client v0.20.12
Dec 02 22:16:41.562 INFO [stderr]    Compiling crossbeam-deque v0.5.2
Dec 02 22:16:46.420 INFO [stderr]    Compiling imagequant v2.11.9
Dec 02 22:16:51.323 INFO [stderr]    Compiling rayon v1.0.3
Dec 02 22:16:55.210 INFO [stderr]    Compiling wayland-protocols v0.20.12
Dec 02 22:17:02.935 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 02 22:17:02.935 INFO [stderr]    Compiling gifski v0.8.6
Dec 02 22:17:10.767 INFO [stderr]    Compiling image v0.20.1
Dec 02 22:17:13.392 INFO [stderr]    Compiling rand_core v0.3.0
Dec 02 22:17:13.392 INFO [stderr]    Compiling serde_json v1.0.33
Dec 02 22:17:16.467 INFO [stderr]    Compiling rand_core v0.2.2
Dec 02 22:17:16.467 INFO [stderr]    Compiling rand_isaac v0.1.1
Dec 02 22:17:16.467 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 02 22:17:16.467 INFO [stderr]    Compiling rand_xorshift v0.1.0
Dec 02 22:17:16.467 INFO [stderr]    Compiling rand_hc v0.1.0
Dec 02 22:17:18.263 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 02 22:17:21.984 INFO [stderr]    Compiling alga v0.7.2
Dec 02 22:17:21.995 INFO [stderr]    Compiling rand v0.5.5
Dec 02 22:17:24.495 INFO [stderr]    Compiling rand v0.6.1
Dec 02 22:17:39.213 INFO [stderr]    Compiling phf_generator v0.7.23
Dec 02 22:17:39.216 INFO [stderr]    Compiling parking_lot_core v0.3.1
Dec 02 22:17:39.351 INFO [stderr]    Compiling smithay-client-toolkit v0.3.0
Dec 02 22:17:39.520 INFO [stderr]    Compiling nalgebra v0.16.11
Dec 02 22:17:40.704 INFO [stderr]    Compiling tempfile v3.0.5
Dec 02 22:17:45.611 INFO [stderr]    Compiling phf_codegen v0.7.23
Dec 02 22:17:46.808 INFO [stderr]    Compiling parking_lot v0.6.4
Dec 02 22:17:53.344 INFO [stderr]    Compiling palette v0.4.1
Dec 02 22:17:56.566 INFO [stderr]    Compiling crossbeam-channel v0.2.6
Dec 02 22:17:57.679 INFO [stderr]    Compiling winit v0.17.2
Dec 02 22:18:05.525 INFO [stderr]    Compiling crossbeam v0.4.1
Dec 02 22:18:16.915 INFO [stderr]    Compiling glutin v0.18.0
Dec 02 22:18:23.072 INFO [stderr]    Compiling gfx_window_glutin v0.26.0
Dec 02 22:18:44.886 INFO [stderr]    Compiling pollock v0.3.2 (/source)
Dec 02 22:18:53.201 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 22:18:53.201 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 22:18:53.202 INFO [stderr]   |
Dec 02 22:18:53.202 INFO [stderr] 1 | #![feature(nll)]
Dec 02 22:18:53.202 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 22:18:53.202 INFO [stderr] 
Dec 02 22:18:53.202 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 22:18:53.202 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 22:18:53.202 INFO [stderr]   |
Dec 02 22:18:53.202 INFO [stderr] 2 | #![feature(external_doc)]
Dec 02 22:18:53.202 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:18:53.202 INFO [stderr] 
Dec 02 22:18:53.208 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 22:18:53.208 INFO [stderr] 
Dec 02 22:18:53.208 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 22:18:53.237 INFO [stderr] error: Could not compile `pollock`.
Dec 02 22:18:53.237 INFO [stderr] 
Dec 02 22:18:53.237 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 22:18:53.240 INFO [stderr] su: No module specific data is present
Dec 02 22:18:53.612 INFO running `"docker" "inspect" "a9f9c73847797f595d7250146417f82fa3112c6630125dffb95e0b9a2fc1f570"`
Dec 02 22:18:53.881 INFO running `"docker" "rm" "-f" "a9f9c73847797f595d7250146417f82fa3112c6630125dffb95e0b9a2fc1f570"`
Dec 02 22:18:54.079 INFO [stdout] a9f9c73847797f595d7250146417f82fa3112c6630125dffb95e0b9a2fc1f570