[INFO] updating cached repository maghoff/wad-render
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maghoff/wad-render
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maghoff/wad-render" "work/ex/beta-1.38-1/sources/1.37.0/gh/maghoff/wad-render"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/maghoff/wad-render'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maghoff/wad-render" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maghoff/wad-render"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maghoff/wad-render'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e61634058b09363d96a94bf189001be20d39056a
[INFO] sha for GitHub repo maghoff/wad-render: e61634058b09363d96a94bf189001be20d39056a
[INFO] validating manifest of maghoff/wad-render on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maghoff/wad-render on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maghoff/wad-render
[INFO] finished frobbing maghoff/wad-render
[INFO] frobbed toml for maghoff/wad-render written to work/ex/beta-1.38-1/sources/1.37.0/gh/maghoff/wad-render/Cargo.toml
[INFO] started frobbing maghoff/wad-render
[INFO] finished frobbing maghoff/wad-render
[INFO] frobbed toml for maghoff/wad-render written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maghoff/wad-render/Cargo.toml
[INFO] crate maghoff/wad-render already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing maghoff/wad-render against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/maghoff/wad-render:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a50fc889e6b0ec6d6ded61e4253fcf4c25f8d0a8ac74b7adb45d54dccd0796e4
[INFO] running `"docker" "start" "-a" "a50fc889e6b0ec6d6ded61e4253fcf4c25f8d0a8ac74b7adb45d54dccd0796e4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling array-macro v1.0.4
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling wad v0.3.2
[INFO] [stderr]    Compiling wad-gfx v0.2.0 (https://github.com/maghoff/wad-gfx.git#3c5e6a47)
[INFO] [stderr]    Compiling wad-render v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(euclidean_division)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cgmath::prelude`
[INFO] [stderr]  --> src/util.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cgmath::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `wad-render`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a50fc889e6b0ec6d6ded61e4253fcf4c25f8d0a8ac74b7adb45d54dccd0796e4"`
[INFO] running `"docker" "rm" "-f" "a50fc889e6b0ec6d6ded61e4253fcf4c25f8d0a8ac74b7adb45d54dccd0796e4"`
[INFO] [stdout] a50fc889e6b0ec6d6ded61e4253fcf4c25f8d0a8ac74b7adb45d54dccd0796e4