[INFO] fetching crate keeshond_treats 0.7.0...
[INFO] checking keeshond_treats-0.7.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate keeshond_treats 0.7.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate keeshond_treats 0.7.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keeshond_treats 0.7.0
[INFO] finished tweaking crates.io crate keeshond_treats 0.7.0
[INFO] tweaked toml for crates.io crate keeshond_treats 0.7.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate crates.io crate keeshond_treats 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.15.0
[INFO] [stderr]   Downloaded enum-map-derive v0.6.0
[INFO] [stderr]   Downloaded enum-map v1.1.1
[INFO] [stderr]   Downloaded bit-array v0.4.4
[INFO] [stderr]   Downloaded rental v0.5.6
[INFO] [stderr]   Downloaded al-sys v0.6.1
[INFO] [stderr]   Downloaded bitarray-set v0.4.1
[INFO] [stderr]   Downloaded generic-array v0.3.2
[INFO] [stderr]   Downloaded try_or v0.2.0
[INFO] [stderr]   Downloaded strum_macros v0.15.0
[INFO] [stderr]   Downloaded block-grid v0.1.2
[INFO] [stderr]   Downloaded keeshond_datapack v0.10.0
[INFO] [stderr]   Downloaded keeshond v0.21.0
[INFO] [stderr]   Downloaded alto v3.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 643af8b0d15f6051cd50224b3b7b66d9c9cc30faa057176701774023cd0fe226
[INFO] running `Command { std: "docker" "start" "-a" "643af8b0d15f6051cd50224b3b7b66d9c9cc30faa057176701774023cd0fe226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "643af8b0d15f6051cd50224b3b7b66d9c9cc30faa057176701774023cd0fe226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643af8b0d15f6051cd50224b3b7b66d9c9cc30faa057176701774023cd0fe226", kill_on_drop: false }`
[INFO] [stdout] 643af8b0d15f6051cd50224b3b7b66d9c9cc30faa057176701774023cd0fe226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f48bd81ea2b8fba0b2baadd5cb75cef9b7579bdac62b9df46d9c0486793c3c
[INFO] running `Command { std: "docker" "start" "-a" "72f48bd81ea2b8fba0b2baadd5cb75cef9b7579bdac62b9df46d9c0486793c3c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking try_or v0.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking block-grid v0.1.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling al-sys v0.6.1
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking generic-array v0.3.2
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking bit-array v0.4.4
[INFO] [stderr]    Compiling glium v0.30.2
[INFO] [stderr]     Checking bitarray-set v0.4.1
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]     Checking enum-map v1.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking rental v0.5.6
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking keeshond_datapack v0.10.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking alto v3.0.4
[INFO] [stderr]     Checking keeshond v0.21.0
[INFO] [stderr]     Checking keeshond_treats v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench_collision.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keeshond_treats` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "72f48bd81ea2b8fba0b2baadd5cb75cef9b7579bdac62b9df46d9c0486793c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f48bd81ea2b8fba0b2baadd5cb75cef9b7579bdac62b9df46d9c0486793c3c", kill_on_drop: false }`
[INFO] [stdout] 72f48bd81ea2b8fba0b2baadd5cb75cef9b7579bdac62b9df46d9c0486793c3c
