[INFO] fetching crate ofx 0.3.0...
[INFO] documenting ofx-0.3.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate ofx 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ofx 0.3.0 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 ofx 0.3.0
[INFO] finished tweaking crates.io crate ofx 0.3.0
[INFO] tweaked toml for crates.io crate ofx 0.3.0 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0483daa9e3149f831bb2e8e8ac9446ce058496b4232c2540c2e25b21c346ed4b
[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" "0483daa9e3149f831bb2e8e8ac9446ce058496b4232c2540c2e25b21c346ed4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0483daa9e3149f831bb2e8e8ac9446ce058496b4232c2540c2e25b21c346ed4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0483daa9e3149f831bb2e8e8ac9446ce058496b4232c2540c2e25b21c346ed4b", kill_on_drop: false }`
[INFO] [stdout] 0483daa9e3149f831bb2e8e8ac9446ce058496b4232c2540c2e25b21c346ed4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e82efcc76453a43d7f835f18f13fecdcf04a1a60a73f04584f5f01c2f45abfe
[INFO] running `Command { std: "docker" "start" "-a" "9e82efcc76453a43d7f835f18f13fecdcf04a1a60a73f04584f5f01c2f45abfe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling ofx_sys v0.2.0
[INFO] [stderr]  Documenting ofx v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ofx`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name ofx src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-d38c567ce4ccc50e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1adff71b4c06f1d0.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-1862a367527903ce.rmeta --extern ofx_sys=/opt/rustwide/target/debug/deps/libofx_sys-230bb49fc527a178.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-6ae396d98842ecd2.rmeta --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9e82efcc76453a43d7f835f18f13fecdcf04a1a60a73f04584f5f01c2f45abfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e82efcc76453a43d7f835f18f13fecdcf04a1a60a73f04584f5f01c2f45abfe", kill_on_drop: false }`
[INFO] [stdout] 9e82efcc76453a43d7f835f18f13fecdcf04a1a60a73f04584f5f01c2f45abfe
