[INFO] cloning repository https://github.com/TrinaglesDrawers/bird_hordes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrinaglesDrawers/bird_hordes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrinaglesDrawers%2Fbird_hordes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrinaglesDrawers%2Fbird_hordes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f411529db12524c70c5015f20ec18eb2d464272
[INFO] checking TrinaglesDrawers/bird_hordes against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrinaglesDrawers%2Fbird_hordes" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrinaglesDrawers/bird_hordes on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrinaglesDrawers/bird_hordes
[INFO] finished tweaking git repo https://github.com/TrinaglesDrawers/bird_hordes
[INFO] tweaked toml for git repo https://github.com/TrinaglesDrawers/bird_hordes written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/zakarumych/arcana.git`
[INFO] [stderr]     Updating git repository `https://github.com/phip1611/soundio-rs`
[INFO] [stderr]     Updating git repository `https://github.com/zakarumych/sierra`
[INFO] [stderr]     Updating git repository `https://github.com/zakarumych/skelly.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45415e7368909bed03d9d5a10edf7c1a7d6478e4fce5e06fa668fd86aa5ee97
[INFO] running `Command { std: "docker" "start" "-a" "a45415e7368909bed03d9d5a10edf7c1a7d6478e4fce5e06fa668fd86aa5ee97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45415e7368909bed03d9d5a10edf7c1a7d6478e4fce5e06fa668fd86aa5ee97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45415e7368909bed03d9d5a10edf7c1a7d6478e4fce5e06fa668fd86aa5ee97", kill_on_drop: false }`
[INFO] [stdout] a45415e7368909bed03d9d5a10edf7c1a7d6478e4fce5e06fa668fd86aa5ee97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587a91fa89427f831b6954c5a086668850ebfc9dbdbd5c3a5e3bf114dd98bc74
[INFO] running `Command { std: "docker" "start" "-a" "587a91fa89427f831b6954c5a086668850ebfc9dbdbd5c3a5e3bf114dd98bc74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking layered-bitset v0.1.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking scoped-arena v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking libloading v0.7.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-arena-0.3.0/src/lib.rs:124:40
[INFO] [stdout]     |
[INFO] [stdout] 124 | #![cfg_attr(feature = "allocator_api", feature(allocator_api))]
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking pp-rs v0.2.1
[INFO] [stderr]     Checking safe_arch v0.6.0
[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 `scoped-arena` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "587a91fa89427f831b6954c5a086668850ebfc9dbdbd5c3a5e3bf114dd98bc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587a91fa89427f831b6954c5a086668850ebfc9dbdbd5c3a5e3bf114dd98bc74", kill_on_drop: false }`
[INFO] [stdout] 587a91fa89427f831b6954c5a086668850ebfc9dbdbd5c3a5e3bf114dd98bc74
