[INFO] cloning repository https://github.com/ptrus/wasm-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ptrus/wasm-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptrus%2Fwasm-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptrus%2Fwasm-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76c87d0043e0e60a89199f92ba2014fc5b572573
[INFO] documenting ptrus/wasm-bug against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptrus%2Fwasm-bug" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ptrus/wasm-bug on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ptrus/wasm-bug
[INFO] finished tweaking git repo https://github.com/ptrus/wasm-bug
[INFO] tweaked toml for git repo https://github.com/ptrus/wasm-bug written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ptrus/wasm-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ccee8650368708de85d6070d1ecd5ac6645b563ff70e0356862418866c664cc
[INFO] running `Command { std: "docker" "start" "-a" "4ccee8650368708de85d6070d1ecd5ac6645b563ff70e0356862418866c664cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ccee8650368708de85d6070d1ecd5ac6645b563ff70e0356862418866c664cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccee8650368708de85d6070d1ecd5ac6645b563ff70e0356862418866c664cc", kill_on_drop: false }`
[INFO] [stdout] 4ccee8650368708de85d6070d1ecd5ac6645b563ff70e0356862418866c664cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6965f704b88b9681feb3bfb18be38a53956cf89f36b105ac35fe98d072954fd
[INFO] running `Command { std: "docker" "start" "-a" "b6965f704b88b9681feb3bfb18be38a53956cf89f36b105ac35fe98d072954fd", kill_on_drop: false }`
[INFO] [stderr]     Checking crate2 v0.1.0 (/opt/rustwide/workdir/crate2)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crate2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(wasm_abi)]
[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 `crate2` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6965f704b88b9681feb3bfb18be38a53956cf89f36b105ac35fe98d072954fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6965f704b88b9681feb3bfb18be38a53956cf89f36b105ac35fe98d072954fd", kill_on_drop: false }`
[INFO] [stdout] b6965f704b88b9681feb3bfb18be38a53956cf89f36b105ac35fe98d072954fd