[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 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschinns%2Frust-wasm-setup" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schinns/rust-wasm-setup on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-0/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac4471d21ede901b0dadabe232e5fcc6be00571b6728ed748139130e7c9a2773
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac4471d21ede901b0dadabe232e5fcc6be00571b6728ed748139130e7c9a2773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac4471d21ede901b0dadabe232e5fcc6be00571b6728ed748139130e7c9a2773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4471d21ede901b0dadabe232e5fcc6be00571b6728ed748139130e7c9a2773", kill_on_drop: false }`
[INFO] [stdout] ac4471d21ede901b0dadabe232e5fcc6be00571b6728ed748139130e7c9a2773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b08ddca97bb2f5f1596789ad8c42d06d92341efc38f074ec70647c68efd8afd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b08ddca97bb2f5f1596789ad8c42d06d92341efc38f074ec70647c68efd8afd", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.28
[INFO] [stderr]    Compiling wasm-bindgen v0.2.28
[INFO] [stderr]    Compiling log v0.4.6
[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 stable 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6b08ddca97bb2f5f1596789ad8c42d06d92341efc38f074ec70647c68efd8afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b08ddca97bb2f5f1596789ad8c42d06d92341efc38f074ec70647c68efd8afd", kill_on_drop: false }`
[INFO] [stdout] 6b08ddca97bb2f5f1596789ad8c42d06d92341efc38f074ec70647c68efd8afd
