[INFO] fetching crate libsmallworld 0.1.0...
[INFO] documenting libsmallworld-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate libsmallworld 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate libsmallworld 0.1.0 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] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate libsmallworld 0.1.0
[INFO] finished tweaking crates.io crate libsmallworld 0.1.0
[INFO] tweaked toml for crates.io crate libsmallworld 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binread_derive v2.1.0
[INFO] [stderr]   Downloaded binread v2.2.0
[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] 4316f50cf835fcbe17435d4f1b7f08d7d265f678c55d98825176e9d0bc68de76
[INFO] running `Command { std: "docker" "start" "-a" "4316f50cf835fcbe17435d4f1b7f08d7d265f678c55d98825176e9d0bc68de76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4316f50cf835fcbe17435d4f1b7f08d7d265f678c55d98825176e9d0bc68de76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4316f50cf835fcbe17435d4f1b7f08d7d265f678c55d98825176e9d0bc68de76", kill_on_drop: false }`
[INFO] [stdout] 4316f50cf835fcbe17435d4f1b7f08d7d265f678c55d98825176e9d0bc68de76
[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] 923ed07b82cccfe929b90d67e523f006165f7e8374ba468de3e4bc7f8bc98e38
[INFO] running `Command { std: "docker" "start" "-a" "923ed07b82cccfe929b90d67e523f006165f7e8374ba468de3e4bc7f8bc98e38", kill_on_drop: false }`
[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 syn v1.0.109
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking phf_shared v0.11.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling enumflags2_derive v0.7.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking enumflags2 v0.7.7
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]     Checking binread v2.2.0
[INFO] [stderr]  Documenting libsmallworld 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:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(concat_bytes)]
[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:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(int_roundings)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[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 `libsmallworld`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name libsmallworld src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=00238b9fbf8e5441 -L dependency=/opt/rustwide/target/debug/deps --extern binread=/opt/rustwide/target/debug/deps/libbinread-01268bcdfa1efec7.rmeta --extern enumflags2=/opt/rustwide/target/debug/deps/libenumflags2-8fbf960bc8953743.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-578991b5e0b8e761.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-43372439ad3c157d.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-02b47aa1dda5c7a5.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-47f87b7bc908169e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "923ed07b82cccfe929b90d67e523f006165f7e8374ba468de3e4bc7f8bc98e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923ed07b82cccfe929b90d67e523f006165f7e8374ba468de3e4bc7f8bc98e38", kill_on_drop: false }`
[INFO] [stdout] 923ed07b82cccfe929b90d67e523f006165f7e8374ba468de3e4bc7f8bc98e38
