[INFO] updating cached repository https://github.com/mizkichan/gp-fitting-example
[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] 7027ef0bdfd80b798416463e1a207c350c8b2f6c
[INFO] testing mizkichan/gp-fitting-example against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizkichan%2Fgp-fitting-example" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mizkichan/gp-fitting-example 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/mizkichan/gp-fitting-example
[INFO] finished tweaking git repo https://github.com/mizkichan/gp-fitting-example
[INFO] tweaked toml for git repo https://github.com/mizkichan/gp-fitting-example written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mizkichan/gp-fitting-example 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 26099f4eb2dab8270f7e749000eaa5ca1cc1bdd4a8850f553a7d445612eda0e3
[INFO] running `"docker" "start" "-a" "26099f4eb2dab8270f7e749000eaa5ca1cc1bdd4a8850f553a7d445612eda0e3"`
[INFO] [stderr]    Compiling gp-fitting-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]  --> src/lib.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stderr]   |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[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(allocator_api, box_syntax, conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / lazy_static! {
[INFO] [stderr] 23 | |     pub static ref GP: RwLock<Population> = {
[INFO] [stderr] 24 | |         RwLock::new(Population::new(
[INFO] [stderr] 25 | |             100,            // size
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     };
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / lazy_static! {
[INFO] [stderr] 34 | |     pub static ref SEED: [u32; 4] = unsafe {
[INFO] [stderr] 35 | |         mem::transmute::<[f64; 2], [u32; 4]>([js_math_random(), js_math_random()])
[INFO] [stderr] 36 | |     };
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `gp-fitting-example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "26099f4eb2dab8270f7e749000eaa5ca1cc1bdd4a8850f553a7d445612eda0e3"`
[INFO] running `"docker" "rm" "-f" "26099f4eb2dab8270f7e749000eaa5ca1cc1bdd4a8850f553a7d445612eda0e3"`
[INFO] [stdout] 26099f4eb2dab8270f7e749000eaa5ca1cc1bdd4a8850f553a7d445612eda0e3