[INFO] cloning repository https://github.com/SaiintBrisson/mp3_decoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaiintBrisson/mp3_decoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaiintBrisson%2Fmp3_decoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaiintBrisson%2Fmp3_decoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0fb370bb4b215e5ab05310848811ab0351db56c
[INFO] documenting SaiintBrisson/mp3_decoder against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaiintBrisson%2Fmp3_decoder" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaiintBrisson/mp3_decoder 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 git repo https://github.com/SaiintBrisson/mp3_decoder
[INFO] finished tweaking git repo https://github.com/SaiintBrisson/mp3_decoder
[INFO] tweaked toml for git repo https://github.com/SaiintBrisson/mp3_decoder written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ea0eec64e1804eb74ac90b8064e674fae56ee7a27d1b1de932bb24efc29e97b8
[INFO] running `Command { std: "docker" "start" "-a" "ea0eec64e1804eb74ac90b8064e674fae56ee7a27d1b1de932bb24efc29e97b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0eec64e1804eb74ac90b8064e674fae56ee7a27d1b1de932bb24efc29e97b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0eec64e1804eb74ac90b8064e674fae56ee7a27d1b1de932bb24efc29e97b8", kill_on_drop: false }`
[INFO] [stdout] ea0eec64e1804eb74ac90b8064e674fae56ee7a27d1b1de932bb24efc29e97b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 66b5bedb3b7dd26db80cab996e2b4f70781b1ca324a5222b7bb07420c8958637
[INFO] running `Command { std: "docker" "start" "-a" "66b5bedb3b7dd26db80cab996e2b4f70781b1ca324a5222b7bb07420c8958637", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]  Documenting mp3-reader v0.1.0 (/opt/rustwide/workdir/mp3-reader)
[INFO] [stderr]  Documenting id3-reader v0.1.0 (/opt/rustwide/workdir/id3-reader)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> id3-reader/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bool_to_option)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> id3-reader/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> id3-reader/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(test)]
[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 `id3-reader`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name id3_reader id3-reader/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=15fb4630d70225e7 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-885ae3214f28c119.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-1fc1fbcc850caeea.rmeta --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-e83934228ff99e82.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "66b5bedb3b7dd26db80cab996e2b4f70781b1ca324a5222b7bb07420c8958637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b5bedb3b7dd26db80cab996e2b4f70781b1ca324a5222b7bb07420c8958637", kill_on_drop: false }`
[INFO] [stdout] 66b5bedb3b7dd26db80cab996e2b4f70781b1ca324a5222b7bb07420c8958637
