[INFO] updating cached repository https://github.com/Mistodon/chessjam
[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] d8efdd02324817fcc7e3d78df193d4035272758a
[INFO] testing Mistodon/chessjam against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistodon%2Fchessjam" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mistodon/chessjam 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/Mistodon/chessjam
[INFO] finished tweaking git repo https://github.com/Mistodon/chessjam
[INFO] tweaked toml for git repo https://github.com/Mistodon/chessjam written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Mistodon/chessjam 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 1b057e96f9a4df708f6672f54313911d1a601545cc5ca8b5700642fa86cc9b9f
[INFO] running `"docker" "start" "-a" "1b057e96f9a4df708f6672f54313911d1a601545cc5ca8b5700642fa86cc9b9f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling mucow v0.1.0
[INFO] [stderr]    Compiling prefetch v0.2.0
[INFO] [stderr]    Compiling resource v0.2.0
[INFO] [stderr]    Compiling okmath v0.1.0 (https://github.com/mistodon/okmath#b44f1888)
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling freetype-sys v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr] error[E0425]: cannot find function `unreachable` in module `std::mem`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.0/src/nightly_lazy.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 None => std::mem::unreachable(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^ not found in `std::mem`
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 10 | use lazy::std::intrinsics::unreachable;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.0/src/lib.rs:104:32
[INFO] [stderr]     |
[INFO] [stderr] 104 | #![cfg_attr(feature="nightly", feature(unreachable))]
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prefetch-0.2.0/src/lib.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![feature(link_llvm_intrinsics)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[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 `lazy_static`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `prefetch`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1b057e96f9a4df708f6672f54313911d1a601545cc5ca8b5700642fa86cc9b9f"`
[INFO] running `"docker" "rm" "-f" "1b057e96f9a4df708f6672f54313911d1a601545cc5ca8b5700642fa86cc9b9f"`
[INFO] [stdout] 1b057e96f9a4df708f6672f54313911d1a601545cc5ca8b5700642fa86cc9b9f