[INFO] fetching crate iex-rs 0.1.1...
[INFO] documenting iex-rs-0.1.1 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate iex-rs 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate iex-rs 0.1.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iex-rs 0.1.1
[INFO] finished tweaking crates.io crate iex-rs 0.1.1
[INFO] tweaked toml for crates.io crate iex-rs 0.1.1 written to /workspace/builds/worker-7-tc2/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" "+beta-2023-04-20" "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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea0f03fc693b77ab052185a514835130ede2ad042f53e78933d6de2fdc3d075d
[INFO] running `Command { std: "docker" "start" "-a" "ea0f03fc693b77ab052185a514835130ede2ad042f53e78933d6de2fdc3d075d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0f03fc693b77ab052185a514835130ede2ad042f53e78933d6de2fdc3d075d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0f03fc693b77ab052185a514835130ede2ad042f53e78933d6de2fdc3d075d", kill_on_drop: false }`
[INFO] [stdout] ea0f03fc693b77ab052185a514835130ede2ad042f53e78933d6de2fdc3d075d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f63d8aadf47d1c05daa4adef11b11d84a041fc848535edef234f03f9355cf2ff
[INFO] running `Command { std: "docker" "start" "-a" "f63d8aadf47d1c05daa4adef11b11d84a041fc848535edef234f03f9355cf2ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking openssl-sys v0.9.87
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking openssl v0.10.52
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]  Documenting iex-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `iex-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name iex_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2b85376c99a7709f -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-3e075563a9423780.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-1fcf2d241f99a86f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7cfdf804e66ebf15.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-91f597b7cbb35cdc.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7c5de6d62efb7b5f.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f63d8aadf47d1c05daa4adef11b11d84a041fc848535edef234f03f9355cf2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63d8aadf47d1c05daa4adef11b11d84a041fc848535edef234f03f9355cf2ff", kill_on_drop: false }`
[INFO] [stdout] f63d8aadf47d1c05daa4adef11b11d84a041fc848535edef234f03f9355cf2ff
