[INFO] cloning repository https://github.com/MegasKomnenos/prototype4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MegasKomnenos/prototype4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fprototype4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fprototype4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79da08de99f8cc6281f6af82d9abec773825c31b
[INFO] testing MegasKomnenos/prototype4 against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fprototype4" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MegasKomnenos/prototype4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MegasKomnenos/prototype4
[INFO] finished tweaking git repo https://github.com/MegasKomnenos/prototype4
[INFO] tweaked toml for git repo https://github.com/MegasKomnenos/prototype4 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/MegasKomnenos/prototype4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/MegasKomnenos/legion`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded tracing v0.1.17
[INFO] [stderr]   Downloaded noise v0.6.0
[INFO] [stderr]   Downloaded pathfinding v2.0.4
[INFO] [stderr]   Downloaded ron v0.6.0
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28d5f8fe67fec7023ab14e0d39097d712ec3799ab070f99763949a354046202c
[INFO] running `Command { std: "docker" "start" "-a" "28d5f8fe67fec7023ab14e0d39097d712ec3799ab070f99763949a354046202c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d5f8fe67fec7023ab14e0d39097d712ec3799ab070f99763949a354046202c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d5f8fe67fec7023ab14e0d39097d712ec3799ab070f99763949a354046202c", kill_on_drop: false }`
[INFO] [stdout] 28d5f8fe67fec7023ab14e0d39097d712ec3799ab070f99763949a354046202c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9234b221e9fbfd7aeaa776f0d3fb1b598a7baec7466be3a293742c04cba7aa40
[INFO] running `Command { std: "docker" "start" "-a" "9234b221e9fbfd7aeaa776f0d3fb1b598a7baec7466be3a293742c04cba7aa40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.11
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling pathfinding v2.0.4
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling image v0.23.7
[INFO] [stderr]    Compiling noise v0.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling tracing v0.1.17
[INFO] [stderr]    Compiling legion-core v0.2.4 (https://github.com/MegasKomnenos/legion#3b65bb04)
[INFO] [stderr]    Compiling legion-systems v0.2.4 (https://github.com/MegasKomnenos/legion#3b65bb04)
[INFO] [stderr]    Compiling ron v0.6.0
[INFO] [stderr]    Compiling legion v0.2.4 (https://github.com/MegasKomnenos/legion#3b65bb04)
[INFO] [stderr]    Compiling prototype4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(get_mut_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(cmp_min_max_by)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::swap`
[INFO] [stdout]   --> src/map.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem::swap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `legion::systems::SystemBuilder`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use legion::systems::SystemBuilder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `half::f16`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use half::f16;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use rand::thread_rng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::sync::mpsc::Sender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max_by`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::cmp::max_by;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min_by`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::cmp::min_by;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 139 | /             loop {
[INFO] [stdout] 140 | |                 let _guard = app.mtx.lock();
[INFO] [stdout] 141 | |                 
[INFO] [stdout] 142 | |                 for func in app.on_schedule_start.iter() {
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | |                 }
[INFO] [stdout] 151 | |             }
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] 152 | 
[INFO] [stdout] 153 |               app.barrier.wait();
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 177 | /             loop {
[INFO] [stdout] 178 | |                 if sys.run.load(Ordering::Relaxed) {
[INFO] [stdout] 179 | |                     sys.run.store(false, Ordering::Relaxed);
[INFO] [stdout] 180 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 200 | |                 }
[INFO] [stdout] 201 | |             }
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] 202 | 
[INFO] [stdout] 203 |               sys.barrier.wait();
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prototype4` due to 3 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9234b221e9fbfd7aeaa776f0d3fb1b598a7baec7466be3a293742c04cba7aa40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9234b221e9fbfd7aeaa776f0d3fb1b598a7baec7466be3a293742c04cba7aa40", kill_on_drop: false }`
[INFO] [stdout] 9234b221e9fbfd7aeaa776f0d3fb1b598a7baec7466be3a293742c04cba7aa40
