[INFO] cloning repository https://github.com/schinns/rust-wasm-setup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schinns/rust-wasm-setup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschinns%2Frust-wasm-setup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschinns%2Frust-wasm-setup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f70021f0afc430c7f99a5b83419e520a31450b3f
[INFO] testing schinns/rust-wasm-setup against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschinns%2Frust-wasm-setup" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schinns/rust-wasm-setup on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schinns/rust-wasm-setup
[INFO] finished tweaking git repo https://github.com/schinns/rust-wasm-setup
[INFO] tweaked toml for git repo https://github.com/schinns/rust-wasm-setup written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/schinns/rust-wasm-setup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 wasm-bindgen-shared v0.2.28
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.28
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.28
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.28
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98b1ab27121152f8dbd6109c51b374650b98ff532c0ab1660eaf5d6fe3814af1
[INFO] running `Command { std: "docker" "start" "-a" "98b1ab27121152f8dbd6109c51b374650b98ff532c0ab1660eaf5d6fe3814af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b1ab27121152f8dbd6109c51b374650b98ff532c0ab1660eaf5d6fe3814af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b1ab27121152f8dbd6109c51b374650b98ff532c0ab1660eaf5d6fe3814af1", kill_on_drop: false }`
[INFO] [stdout] 98b1ab27121152f8dbd6109c51b374650b98ff532c0ab1660eaf5d6fe3814af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2876f94af1cae3182f04da12cb5fcce262e914c9646dd894c15f16e753071c3
[INFO] running `Command { std: "docker" "start" "-a" "c2876f94af1cae3182f04da12cb5fcce262e914c9646dd894c15f16e753071c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.28
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.28
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.28
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.28
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.28
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(use_extern_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[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 `utils` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c2876f94af1cae3182f04da12cb5fcce262e914c9646dd894c15f16e753071c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2876f94af1cae3182f04da12cb5fcce262e914c9646dd894c15f16e753071c3", kill_on_drop: false }`
[INFO] [stdout] c2876f94af1cae3182f04da12cb5fcce262e914c9646dd894c15f16e753071c3