[INFO] fetching crate flowfairy_api 0.2.2...
[INFO] documenting flowfairy_api-0.2.2 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate flowfairy_api 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate flowfairy_api 0.2.2 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 flowfairy_api 0.2.2
[INFO] finished tweaking crates.io crate flowfairy_api 0.2.2
[INFO] tweaked toml for crates.io crate flowfairy_api 0.2.2 written to /workspace/builds/worker-5-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 240b274d5698776febef1b974d2b91770ac7a418c0713afe8c2a36db7e9a76f7
[INFO] running `Command { std: "docker" "start" "-a" "240b274d5698776febef1b974d2b91770ac7a418c0713afe8c2a36db7e9a76f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "240b274d5698776febef1b974d2b91770ac7a418c0713afe8c2a36db7e9a76f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240b274d5698776febef1b974d2b91770ac7a418c0713afe8c2a36db7e9a76f7", kill_on_drop: false }`
[INFO] [stdout] 240b274d5698776febef1b974d2b91770ac7a418c0713afe8c2a36db7e9a76f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f83e89b4803ef3e7f050b3fca13db1beb1c6a12e98de9263006824212ecefeae
[INFO] running `Command { std: "docker" "start" "-a" "f83e89b4803ef3e7f050b3fca13db1beb1c6a12e98de9263006824212ecefeae", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]  Documenting flowfairy_api v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | #![feature(byte_slice_trim_ascii)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `flowfairy_api`
[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 flowfairy_api src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8b153ee6944dfd5f -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-4d0457ff00ff859b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c4eddf7df4eb8638.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0eedd91a8b2e7c2c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7ddb81ea6f930908.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b049f132ddfc695e.rmeta --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f83e89b4803ef3e7f050b3fca13db1beb1c6a12e98de9263006824212ecefeae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83e89b4803ef3e7f050b3fca13db1beb1c6a12e98de9263006824212ecefeae", kill_on_drop: false }`
[INFO] [stdout] f83e89b4803ef3e7f050b3fca13db1beb1c6a12e98de9263006824212ecefeae
[INFO] documenting flowfairy_api-0.2.2 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate flowfairy_api 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate flowfairy_api 0.2.2 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowfairy_api 0.2.2
[INFO] finished tweaking crates.io crate flowfairy_api 0.2.2
[INFO] tweaked toml for crates.io crate flowfairy_api 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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" "+beta-2024-02-10" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4c5e32afca7f73e9090b56f99547928700ddf601865d7197a097a0cb5f5a8e1
[INFO] running `Command { std: "docker" "start" "-a" "f4c5e32afca7f73e9090b56f99547928700ddf601865d7197a097a0cb5f5a8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4c5e32afca7f73e9090b56f99547928700ddf601865d7197a097a0cb5f5a8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c5e32afca7f73e9090b56f99547928700ddf601865d7197a097a0cb5f5a8e1", kill_on_drop: false }`
[INFO] [stdout] f4c5e32afca7f73e9090b56f99547928700ddf601865d7197a097a0cb5f5a8e1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e4a984996c3e242a7e538f560f9ff91393342ac1477e394357d1f07751ea2d
[INFO] running `Command { std: "docker" "start" "-a" "f7e4a984996c3e242a7e538f560f9ff91393342ac1477e394357d1f07751ea2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]  Documenting flowfairy_api v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | #![feature(byte_slice_trim_ascii)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `flowfairy_api`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name flowfairy_api src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=38787d9ca862202c -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-00fe54c7ebcff226.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9cbcf9f34ed2856d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a0c734a2f893c223.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3f0d5bdc3c1ea542.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-59f3dd42ef6254e9.rmeta --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f7e4a984996c3e242a7e538f560f9ff91393342ac1477e394357d1f07751ea2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e4a984996c3e242a7e538f560f9ff91393342ac1477e394357d1f07751ea2d", kill_on_drop: false }`
[INFO] [stdout] f7e4a984996c3e242a7e538f560f9ff91393342ac1477e394357d1f07751ea2d
