[INFO] fetching crate time-func 0.1.4...
[INFO] documenting time-func-0.1.4 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate time-func 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate time-func 0.1.4 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate time-func 0.1.4
[INFO] finished tweaking crates.io crate time-func 0.1.4
[INFO] tweaked toml for crates.io crate time-func 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mindtree_utils v0.4.0
[INFO] [stderr]   Downloaded serde_closure v0.3.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 001b3923c69cf47e347c373a580fcfeba9b08a98007d010f7b077a5c89893401
[INFO] running `Command { std: "docker" "start" "-a" "001b3923c69cf47e347c373a580fcfeba9b08a98007d010f7b077a5c89893401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "001b3923c69cf47e347c373a580fcfeba9b08a98007d010f7b077a5c89893401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001b3923c69cf47e347c373a580fcfeba9b08a98007d010f7b077a5c89893401", kill_on_drop: false }`
[INFO] [stdout] 001b3923c69cf47e347c373a580fcfeba9b08a98007d010f7b077a5c89893401
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 159122939d12dd71baee196da86b9b736358d16c2313c1a64d95c864ec6821b0
[INFO] running `Command { std: "docker" "start" "-a" "159122939d12dd71baee196da86b9b736358d16c2313c1a64d95c864ec6821b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]    Compiling pathfinder_simd v0.5.2
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]    Compiling freetype-sys v0.19.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking mindtree_utils v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking plotters-bitmap v0.3.3
[INFO] [stderr]    Compiling serde_closure_derive v0.3.3
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking freetype v0.7.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]  Documenting time-func v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_sorted)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[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 `time-func`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name time_func src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=128dbb783665d54f -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-648af76d38985ef6.rmeta --extern utils=/opt/rustwide/target/debug/deps/libutils-55405d5b3a9ffe19.rmeta --extern plotters=/opt/rustwide/target/debug/deps/libplotters-a3c262ae97ba330f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f81ccc6220d80f4e.rmeta --extern serde_closure=/opt/rustwide/target/debug/deps/libserde_closure-3d31052c1a4e2fa3.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "159122939d12dd71baee196da86b9b736358d16c2313c1a64d95c864ec6821b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159122939d12dd71baee196da86b9b736358d16c2313c1a64d95c864ec6821b0", kill_on_drop: false }`
[INFO] [stdout] 159122939d12dd71baee196da86b9b736358d16c2313c1a64d95c864ec6821b0
