[INFO] cloning repository https://github.com/elementalchopsticks/adldl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elementalchopsticks/adldl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felementalchopsticks%2Fadldl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felementalchopsticks%2Fadldl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0e6f9c9deeefb98efbbf4c832dc98cd323c93d2
[INFO] documenting elementalchopsticks/adldl against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felementalchopsticks%2Fadldl" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elementalchopsticks/adldl on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elementalchopsticks/adldl
[INFO] finished tweaking git repo https://github.com/elementalchopsticks/adldl
[INFO] tweaked toml for git repo https://github.com/elementalchopsticks/adldl written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/elementalchopsticks/adldl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f0716bbfc9ef2ec23c2f15c5a8f6c7d4bc01ed8e95988cf76df5a12f5c9a022
[INFO] running `Command { std: "docker" "start" "-a" "9f0716bbfc9ef2ec23c2f15c5a8f6c7d4bc01ed8e95988cf76df5a12f5c9a022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f0716bbfc9ef2ec23c2f15c5a8f6c7d4bc01ed8e95988cf76df5a12f5c9a022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0716bbfc9ef2ec23c2f15c5a8f6c7d4bc01ed8e95988cf76df5a12f5c9a022", kill_on_drop: false }`
[INFO] [stdout] 9f0716bbfc9ef2ec23c2f15c5a8f6c7d4bc01ed8e95988cf76df5a12f5c9a022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24487bf064ff5af7212018d925f2ba4e346757c6bf7c0ca8fe14938007434760
[INFO] running `Command { std: "docker" "start" "-a" "24487bf064ff5af7212018d925f2ba4e346757c6bf7c0ca8fe14938007434760", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking anyhow v1.0.56
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking ureq v2.4.0
[INFO] [stderr]  Documenting adldl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(backtrace, byte_slice_trim_ascii, once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(backtrace, byte_slice_trim_ascii, once_cell)]
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(backtrace, byte_slice_trim_ascii, once_cell)]
[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 `adldl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name adldl src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=97ffa499fc3c8eab -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ee185080059e5b20.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-a544601c86742905.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-cb768725e26a3b91.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2d510514497e24a7.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-cc2e1b6a66de2759.rmeta --extern ureq=/opt/rustwide/target/debug/deps/libureq-cbf6b21f1c3e3475.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "24487bf064ff5af7212018d925f2ba4e346757c6bf7c0ca8fe14938007434760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24487bf064ff5af7212018d925f2ba4e346757c6bf7c0ca8fe14938007434760", kill_on_drop: false }`
[INFO] [stdout] 24487bf064ff5af7212018d925f2ba4e346757c6bf7c0ca8fe14938007434760