[INFO] fetching crate nightfall 0.1.8...
[INFO] documenting nightfall-0.1.8 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate nightfall 0.1.8 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate nightfall 0.1.8 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 nightfall 0.1.8
[INFO] finished tweaking crates.io crate nightfall 0.1.8
[INFO] tweaked toml for crates.io crate nightfall 0.1.8 written to /workspace/builds/worker-1-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 barrage v0.2.3
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] [stderr]   Downloaded platforms v2.0.0
[INFO] [stderr]   Downloaded catty v0.1.5
[INFO] [stderr]   Downloaded darwin-libproc v0.1.2
[INFO] [stderr]   Downloaded psutil v3.2.2
[INFO] [stderr]   Downloaded err-derive v0.3.1
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.1.2
[INFO] [stderr]   Downloaded xtra v0.5.2
[INFO] [stderr]   Downloaded xtra_proc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7a37129cf7000738f7b57b81f78a7e971868d4f9069c29082e54c0eee66b2598
[INFO] running `Command { std: "docker" "start" "-a" "7a37129cf7000738f7b57b81f78a7e971868d4f9069c29082e54c0eee66b2598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a37129cf7000738f7b57b81f78a7e971868d4f9069c29082e54c0eee66b2598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a37129cf7000738f7b57b81f78a7e971868d4f9069c29082e54c0eee66b2598", kill_on_drop: false }`
[INFO] [stdout] 7a37129cf7000738f7b57b81f78a7e971868d4f9069c29082e54c0eee66b2598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2345ced3f80cb226922f98f0ef969797167ff9460f19157cc88fc2aeb25db718
[INFO] running `Command { std: "docker" "start" "-a" "2345ced3f80cb226922f98f0ef969797167ff9460f19157cc88fc2aeb25db718", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling err-derive v0.3.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking catty v0.1.5
[INFO] [stderr]     Checking barrage v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling xtra_proc v0.1.0
[INFO] [stderr]     Checking psutil v3.2.2
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking xtra v0.5.2
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]  Documenting nightfall v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, result_flattening, hash_drain_filter)]
[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:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, result_flattening, hash_drain_filter)]
[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:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, result_flattening, hash_drain_filter)]
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^
[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 `nightfall`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name nightfall src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6304992b2258ce17 -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-aa6eea4426c29787.so --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-ccf07012d6cfa4eb.rmeta --extern err_derive=/opt/rustwide/target/debug/deps/liberr_derive-a3e05b5cefac32c0.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-b8dd7e854e51930e.rmeta --extern psutil=/opt/rustwide/target/debug/deps/libpsutil-2aef9e28c696c6f3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0bc9d1a5d13f66c2.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-434d9bc7482af99f.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a9d17892bdab6ec5.rmeta --extern slog=/opt/rustwide/target/debug/deps/libslog-9c636894aaaefa12.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b4e1d1e982d82302.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-a313bb7eadceaf8c.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-6baafa5e60a6c26b.rmeta --extern xtra=/opt/rustwide/target/debug/deps/libxtra-ebe115be8c9c6d83.rmeta --extern xtra_proc=/opt/rustwide/target/debug/deps/libxtra_proc-33f6fadebb0476c2.so --cap-lints=warn --crate-version 0.1.8` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2345ced3f80cb226922f98f0ef969797167ff9460f19157cc88fc2aeb25db718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2345ced3f80cb226922f98f0ef969797167ff9460f19157cc88fc2aeb25db718", kill_on_drop: false }`
[INFO] [stdout] 2345ced3f80cb226922f98f0ef969797167ff9460f19157cc88fc2aeb25db718
