[INFO] fetching crate nuscenes-data 0.1.0...
[INFO] documenting nuscenes-data-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate nuscenes-data 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nuscenes-data 0.1.0 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 nuscenes-data 0.1.0
[INFO] finished tweaking crates.io crate nuscenes-data 0.1.0
[INFO] tweaked toml for crates.io crate nuscenes-data 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate nuscenes-data 0.1.0 already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5368e1070e66d19696c02564bae63c462855d2b2ce566176676fb81198c2df6b
[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" "5368e1070e66d19696c02564bae63c462855d2b2ce566176676fb81198c2df6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5368e1070e66d19696c02564bae63c462855d2b2ce566176676fb81198c2df6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5368e1070e66d19696c02564bae63c462855d2b2ce566176676fb81198c2df6b", kill_on_drop: false }`
[INFO] [stdout] 5368e1070e66d19696c02564bae63c462855d2b2ce566176676fb81198c2df6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 88fe1ffedd41c244232dd5e6b5945986fdae95e1a989ceaf7b9ee7aeeda5be33
[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" "88fe1ffedd41c244232dd5e6b5945986fdae95e1a989ceaf7b9ee7aeeda5be33", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking safe-transmute v0.11.0-rc.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]  Documenting nuscenes-data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(backtrace)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `nuscenes-data`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name nuscenes_data 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 chrono=/opt/rustwide/target/debug/deps/libchrono-a44a900c1d4f8eab.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-7c1bfc2e6c6df0e4.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-4ea69696b6139a1c.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-f7d58b8110f8fe8f.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5ad68357c26dda65.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-c6d1b81f5e86a8a2.rmeta --extern safe_transmute=/opt/rustwide/target/debug/deps/libsafe_transmute-50826fefff32f85b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c2ceaedb4a8e5fd2.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-db56569fdc9daec2.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "88fe1ffedd41c244232dd5e6b5945986fdae95e1a989ceaf7b9ee7aeeda5be33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88fe1ffedd41c244232dd5e6b5945986fdae95e1a989ceaf7b9ee7aeeda5be33", kill_on_drop: false }`
[INFO] [stdout] 88fe1ffedd41c244232dd5e6b5945986fdae95e1a989ceaf7b9ee7aeeda5be33