[INFO] cloning repository https://github.com/sindreij/rusty-elm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sindreij/rusty-elm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Frusty-elm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Frusty-elm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4379987ee9cb1b568e955154491d413b4e0687d
[INFO] testing sindreij/rusty-elm 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%2Fsindreij%2Frusty-elm" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sindreij/rusty-elm 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/sindreij/rusty-elm
[INFO] finished tweaking git repo https://github.com/sindreij/rusty-elm
[INFO] tweaked toml for git repo https://github.com/sindreij/rusty-elm written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/sindreij/rusty-elm 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]  Downloading crates ...
[INFO] [stderr]   Downloaded heck v0.3.0
[INFO] [stderr]   Downloaded weedle v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.27
[INFO] [stderr]   Downloaded wee_alloc v0.4.2
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.27
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.27
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.27
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.27
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.27
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.27
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.4
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.21
[INFO] [stderr]   Downloaded js-sys v0.3.4
[INFO] [stderr]   Downloaded web-sys v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ab5ea04b6de499871c77b7931c39f5cb8a00061ecc778721f840e003547682e3
[INFO] running `Command { std: "docker" "start" "-a" "ab5ea04b6de499871c77b7931c39f5cb8a00061ecc778721f840e003547682e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5ea04b6de499871c77b7931c39f5cb8a00061ecc778721f840e003547682e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5ea04b6de499871c77b7931c39f5cb8a00061ecc778721f840e003547682e3", kill_on_drop: false }`
[INFO] [stdout] ab5ea04b6de499871c77b7931c39f5cb8a00061ecc778721f840e003547682e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ad14a7fa080b8e11dfff6279c4d9f8a1d986ea6cda8e1760758411d20122d941
[INFO] running `Command { std: "docker" "start" "-a" "ad14a7fa080b8e11dfff6279c4d9f8a1d986ea6cda8e1760758411d20122d941", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.27
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling wasm-bindgen v0.2.27
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.27
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.27
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.27
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.21
[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/wasm-bindgen-0.2.27/src/lib.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "nightly", feature(unsize))]
[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 `wasm-bindgen` 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" "ad14a7fa080b8e11dfff6279c4d9f8a1d986ea6cda8e1760758411d20122d941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad14a7fa080b8e11dfff6279c4d9f8a1d986ea6cda8e1760758411d20122d941", kill_on_drop: false }`
[INFO] [stdout] ad14a7fa080b8e11dfff6279c4d9f8a1d986ea6cda8e1760758411d20122d941
