[INFO] updating cached repository https://github.com/asmoaesl/term3d
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 482b71810e2fcfc621dbb1a0a96a822f801fe367
[INFO] testing asmoaesl/term3d against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmoaesl%2Fterm3d" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asmoaesl/term3d on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/asmoaesl/term3d
[INFO] finished tweaking git repo https://github.com/asmoaesl/term3d
[INFO] tweaked toml for git repo https://github.com/asmoaesl/term3d written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/asmoaesl/term3d already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 2b804809d035482fac76da7f7ab00dfc187bbbda2b4066dd0d30148c2db2111a
[INFO] running `"docker" "start" "-a" "2b804809d035482fac76da7f7ab00dfc187bbbda2b4066dd0d30148c2db2111a"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ncurses v5.98.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling easycurses v0.12.2
[INFO] [stderr]    Compiling nalgebra v0.17.2
[INFO] [stderr]    Compiling nalgebra-glm v0.3.0
[INFO] [stderr]    Compiling term3d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(vec_remove_item)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]   --> src/lib.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::cmp::{max, min};
[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 `term3d`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2b804809d035482fac76da7f7ab00dfc187bbbda2b4066dd0d30148c2db2111a"`
[INFO] running `"docker" "rm" "-f" "2b804809d035482fac76da7f7ab00dfc187bbbda2b4066dd0d30148c2db2111a"`
[INFO] [stdout] 2b804809d035482fac76da7f7ab00dfc187bbbda2b4066dd0d30148c2db2111a