[INFO] fetching crate rust-rpg-toolkit 0.1.0...
[INFO] testing rust-rpg-toolkit-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rust-rpg-toolkit 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate rust-rpg-toolkit 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-rpg-toolkit 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rust-rpg-toolkit 0.1.0
[INFO] tweaked toml for crates.io crate rust-rpg-toolkit 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate rust-rpg-toolkit 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f21720434e26a2e34cf532bdb54b604b9871c12cd71551545459cdcdd257f11f
[INFO] running `Command { std: "docker" "start" "-a" "f21720434e26a2e34cf532bdb54b604b9871c12cd71551545459cdcdd257f11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21720434e26a2e34cf532bdb54b604b9871c12cd71551545459cdcdd257f11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21720434e26a2e34cf532bdb54b604b9871c12cd71551545459cdcdd257f11f", kill_on_drop: false }`
[INFO] [stdout] f21720434e26a2e34cf532bdb54b604b9871c12cd71551545459cdcdd257f11f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee46df6bcfb97fc0527f29bb5c2ba94b472f5967fed1b2565664ae8c28f500ef
[INFO] running `Command { std: "docker" "start" "-a" "ee46df6bcfb97fc0527f29bb5c2ba94b472f5967fed1b2565664ae8c28f500ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling sapp-linux v0.1.13
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling quad-snd v0.2.0
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling glam v0.14.0
[INFO] [stderr]    Compiling quad-rand v0.2.1
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling nanoserde-derive v0.1.18
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling mode v0.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling wide v0.6.5
[INFO] [stderr]    Compiling fontdue v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling nanoserde v0.1.29
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling quad-storage v0.1.2
[INFO] [stderr]    Compiling ultraviolet v0.8.1
[INFO] [stderr]    Compiling miniquad v0.3.0-alpha.37
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling bracket-geometry v0.8.3
[INFO] [stderr]    Compiling bracket-algorithm-traits v0.8.2
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling audrey v0.3.0
[INFO] [stderr]    Compiling bracket-pathfinding v0.8.4
[INFO] [stderr]    Compiling macroquad v0.3.9
[INFO] [stderr]    Compiling macroquad-profiler v0.1.1
[INFO] [stderr]    Compiling ff-particles v0.1.0
[INFO] [stderr]    Compiling rust-rpg-toolkit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_find)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-rpg-toolkit` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee46df6bcfb97fc0527f29bb5c2ba94b472f5967fed1b2565664ae8c28f500ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee46df6bcfb97fc0527f29bb5c2ba94b472f5967fed1b2565664ae8c28f500ef", kill_on_drop: false }`
[INFO] [stdout] ee46df6bcfb97fc0527f29bb5c2ba94b472f5967fed1b2565664ae8c28f500ef