[INFO] fetching crate include_js 0.1.1...
[INFO] documenting include_js-0.1.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate include_js 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate include_js 0.1.1 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 crates.io crate include_js 0.1.1
[INFO] finished tweaking crates.io crate include_js 0.1.1
[INFO] tweaked toml for crates.io crate include_js 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbd3769893970e186d434940b893d60bb85e0fe6590f5cab00bfcd81019c7412
[INFO] running `Command { std: "docker" "start" "-a" "cbd3769893970e186d434940b893d60bb85e0fe6590f5cab00bfcd81019c7412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd3769893970e186d434940b893d60bb85e0fe6590f5cab00bfcd81019c7412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd3769893970e186d434940b893d60bb85e0fe6590f5cab00bfcd81019c7412", kill_on_drop: false }`
[INFO] [stdout] cbd3769893970e186d434940b893d60bb85e0fe6590f5cab00bfcd81019c7412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6ed67388982054993af736fb482a634a91b5d31809a343181a3fb7731b8026
[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" "7c6ed67388982054993af736fb482a634a91b5d31809a343181a3fb7731b8026", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-general-category v0.3.0
[INFO] [stderr]    Compiling ryu-js v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling gc_derive v0.3.6
[INFO] [stderr]    Compiling handlebars v3.5.5
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking gc v0.3.6
[INFO] [stderr]    Compiling boa_unicode v0.11.0
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling regress v0.2.0
[INFO] [stderr]     Checking Boa v0.11.0
[INFO] [stderr]     Checking include_js_core v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/include_js_core-0.1.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn_transmute)]
[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 `include_js_core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7c6ed67388982054993af736fb482a634a91b5d31809a343181a3fb7731b8026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6ed67388982054993af736fb482a634a91b5d31809a343181a3fb7731b8026", kill_on_drop: false }`
[INFO] [stdout] 7c6ed67388982054993af736fb482a634a91b5d31809a343181a3fb7731b8026
