[INFO] fetching crate bytekey 0.4.2...
[INFO] documenting bytekey-0.4.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate bytekey 0.4.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bytekey 0.4.2 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 bytekey 0.4.2
[INFO] finished tweaking crates.io crate bytekey 0.4.2
[INFO] tweaked toml for crates.io crate bytekey 0.4.2 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] f786b37ef5cb2b56b093b6c32e792c796d98ea574e3a5c43ef83b328e1e762fb
[INFO] running `Command { std: "docker" "start" "-a" "f786b37ef5cb2b56b093b6c32e792c796d98ea574e3a5c43ef83b328e1e762fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f786b37ef5cb2b56b093b6c32e792c796d98ea574e3a5c43ef83b328e1e762fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f786b37ef5cb2b56b093b6c32e792c796d98ea574e3a5c43ef83b328e1e762fb", kill_on_drop: false }`
[INFO] [stdout] f786b37ef5cb2b56b093b6c32e792c796d98ea574e3a5c43ef83b328e1e762fb
[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] [stdout] d906256da2296fd44b29819504012f350e3e5bfdb89636807b0c8bff84bca989
[INFO] running `Command { std: "docker" "start" "-a" "d906256da2296fd44b29819504012f350e3e5bfdb89636807b0c8bff84bca989", kill_on_drop: false }`
[INFO] [stderr]  Documenting bytekey v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 | #![feature(core, custom_attribute, io, plugin, unicode)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::iter::range_inclusive`
[INFO] [stdout]  --> src/decoder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::range_inclusive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `range_inclusive` in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::wrapping`
[INFO] [stdout]  --> src/decoder.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::wrapping::OverflowingOps;
[INFO] [stdout]   |               ^^^^^^^^ could not find `wrapping` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> src/lib.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl From<io::CharsError> for Error {
[INFO] [stdout]     |               ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> src/lib.rs:138:24
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn from(error: io::CharsError) -> Error {
[INFO] [stdout]     |                        ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stdout]    --> src/lib.rs:146:22
[INFO] [stdout]     |
[INFO] [stdout] 146 | impl From<byteorder::Error> for Error {
[INFO] [stdout]     |                      ^^^^^ not found in `byteorder`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 68  | use error::Error;
[INFO] [stdout]     |
[INFO] [stdout] 68  | use fmt::Error;
[INFO] [stdout]     |
[INFO] [stdout] 68  | use io::Error;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stdout]    --> src/lib.rs:147:31
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn from(error: byteorder::Error) -> Error {
[INFO] [stdout]     |                               ^^^^^ not found in `byteorder`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 68  | use error::Error;
[INFO] [stdout]     |
[INFO] [stdout] 68  | use fmt::Error;
[INFO] [stdout]     |
[INFO] [stdout] 68  | use io::Error;
[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:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | #![feature(core, custom_attribute, io, plugin, unicode)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bytekey`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name bytekey 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 byteorder=/opt/rustwide/target/debug/deps/libbyteorder-b55b8e72bfe1c077.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-67e30c758e0c56b4.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d906256da2296fd44b29819504012f350e3e5bfdb89636807b0c8bff84bca989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d906256da2296fd44b29819504012f350e3e5bfdb89636807b0c8bff84bca989", kill_on_drop: false }`
[INFO] [stdout] d906256da2296fd44b29819504012f350e3e5bfdb89636807b0c8bff84bca989
