[INFO] fetching crate ofx 0.3.0...
[INFO] documenting ofx-0.3.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate ofx 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ofx 0.3.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0f1db9b1f6b83a48946bd371f2c4793ca2d3c183b69f32168a98ac5ad44a86d
[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" "b0f1db9b1f6b83a48946bd371f2c4793ca2d3c183b69f32168a98ac5ad44a86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f1db9b1f6b83a48946bd371f2c4793ca2d3c183b69f32168a98ac5ad44a86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f1db9b1f6b83a48946bd371f2c4793ca2d3c183b69f32168a98ac5ad44a86d", kill_on_drop: false }`
[INFO] [stdout] b0f1db9b1f6b83a48946bd371f2c4793ca2d3c183b69f32168a98ac5ad44a86d
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 08a445ebddf9cbf6cbeb7a645fe3f908600b5807b38918d6c56ea5451caa5149
[INFO] running `Command { std: "docker" "start" "-a" "08a445ebddf9cbf6cbeb7a645fe3f908600b5807b38918d6c56ea5451caa5149", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking log4rs v0.8.3
[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-0d4e59a692e831a5.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f0f8441529df9e1e.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-39a33d9a2ad54327.rmeta --extern ofx_sys=/opt/rustwide/target/debug/deps/libofx_sys-81fda97224ea2989.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-440282c4cf8108a6.rmeta --cap-lints=warn --crate-version 0.3.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "08a445ebddf9cbf6cbeb7a645fe3f908600b5807b38918d6c56ea5451caa5149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a445ebddf9cbf6cbeb7a645fe3f908600b5807b38918d6c56ea5451caa5149", kill_on_drop: false }`
[INFO] [stdout] 08a445ebddf9cbf6cbeb7a645fe3f908600b5807b38918d6c56ea5451caa5149
