[INFO] fetching crate ofx 0.3.0...
[INFO] documenting ofx-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate ofx 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ofx 0.3.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b71126cae99257fcc03aefa69979140f0ac37d569ba26ab0693082135568603d
[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" "b71126cae99257fcc03aefa69979140f0ac37d569ba26ab0693082135568603d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71126cae99257fcc03aefa69979140f0ac37d569ba26ab0693082135568603d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71126cae99257fcc03aefa69979140f0ac37d569ba26ab0693082135568603d", kill_on_drop: false }`
[INFO] [stdout] b71126cae99257fcc03aefa69979140f0ac37d569ba26ab0693082135568603d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "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] aa6fb3d471d3a7e83ad12aee9a1fa61da610fa649d02cbe93321ab0f09bc5f18
[INFO] running `Command { std: "docker" "start" "-a" "aa6fb3d471d3a7e83ad12aee9a1fa61da610fa649d02cbe93321ab0f09bc5f18", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quote v0.5.2
[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-1ad3ad1e20beb97f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-14f7848cb1783be1.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-ea219c1bc02b65f9.rmeta --extern ofx_sys=/opt/rustwide/target/debug/deps/libofx_sys-60efd2e5d603d2b2.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-5a31fe42346d637a.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "aa6fb3d471d3a7e83ad12aee9a1fa61da610fa649d02cbe93321ab0f09bc5f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6fb3d471d3a7e83ad12aee9a1fa61da610fa649d02cbe93321ab0f09bc5f18", kill_on_drop: false }`
[INFO] [stdout] aa6fb3d471d3a7e83ad12aee9a1fa61da610fa649d02cbe93321ab0f09bc5f18