[INFO] fetching crate bar 0.1.1...
[INFO] documenting bar-0.1.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate bar 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bar 0.1.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bar 0.1.1
[INFO] finished tweaking crates.io crate bar 0.1.1
[INFO] tweaked toml for crates.io crate bar 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded toml v0.1.30
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded term v0.2.14
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00bbfc209dfd8fd60f2950a5fec1e5f3c5b35c7ebb5baf5626c8cdb3180a15bd
[INFO] running `Command { std: "docker" "start" "-a" "00bbfc209dfd8fd60f2950a5fec1e5f3c5b35c7ebb5baf5626c8cdb3180a15bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00bbfc209dfd8fd60f2950a5fec1e5f3c5b35c7ebb5baf5626c8cdb3180a15bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bbfc209dfd8fd60f2950a5fec1e5f3c5b35c7ebb5baf5626c8cdb3180a15bd", kill_on_drop: false }`
[INFO] [stdout] 00bbfc209dfd8fd60f2950a5fec1e5f3c5b35c7ebb5baf5626c8cdb3180a15bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852477b2c42c6d43deb24a1f55eff209f19f64404b32d2fdf95d5355bd0adf93
[INFO] running `Command { std: "docker" "start" "-a" "852477b2c42c6d43deb24a1f55eff209f19f64404b32d2fdf95d5355bd0adf93", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]  Documenting bar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]   --> src/bar/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate collections;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bar/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bar/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_consts)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `associated_consts` has been stable since `1.20.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bar/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(collections, collections_bound, btree_range)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bar/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(unicode)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bar`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name bar src/bar/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=44e0dc0452b9001a -L dependency=/opt/rustwide/target/debug/deps --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-0e0fcc97e964a26d.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-4467f3ffc13087c9.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-4f6d97d9bf0baf34.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-719523752c62d393.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-11673433bf42a62c.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "852477b2c42c6d43deb24a1f55eff209f19f64404b32d2fdf95d5355bd0adf93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852477b2c42c6d43deb24a1f55eff209f19f64404b32d2fdf95d5355bd0adf93", kill_on_drop: false }`
[INFO] [stdout] 852477b2c42c6d43deb24a1f55eff209f19f64404b32d2fdf95d5355bd0adf93
