[INFO] fetching crate slur 0.1.0...
[INFO] documenting slur-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate slur 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate slur 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slur 0.1.0
[INFO] finished tweaking crates.io crate slur 0.1.0
[INFO] tweaked toml for crates.io crate slur 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imgref-iter v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a717185e512d776b6cda8e5266d37abeee82cbb47cb8397201e2d5ddb016389c
[INFO] running `Command { std: "docker" "start" "-a" "a717185e512d776b6cda8e5266d37abeee82cbb47cb8397201e2d5ddb016389c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a717185e512d776b6cda8e5266d37abeee82cbb47cb8397201e2d5ddb016389c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a717185e512d776b6cda8e5266d37abeee82cbb47cb8397201e2d5ddb016389c", kill_on_drop: false }`
[INFO] [stdout] a717185e512d776b6cda8e5266d37abeee82cbb47cb8397201e2d5ddb016389c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 320495a501b47f3a35cbbe7a06645ae8eea6701844d131e88f5e1ad3333b4c06
[INFO] running `Command { std: "docker" "start" "-a" "320495a501b47f3a35cbbe7a06645ae8eea6701844d131e88f5e1ad3333b4c06", kill_on_drop: false }`
[INFO] [stderr]     Checking imgref v1.10.0
[INFO] [stderr]     Checking imgref-iter v0.4.0
[INFO] [stderr]  Documenting slur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(portable_simd, stmt_expr_attributes)]
[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 `slur`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name slur src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c939afb45357f359 -L dependency=/opt/rustwide/target/debug/deps --extern imgref=/opt/rustwide/target/debug/deps/libimgref-18b871f25e3e2301.rmeta --extern imgref_iter=/opt/rustwide/target/debug/deps/libimgref_iter-2bea90742889be5a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "320495a501b47f3a35cbbe7a06645ae8eea6701844d131e88f5e1ad3333b4c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320495a501b47f3a35cbbe7a06645ae8eea6701844d131e88f5e1ad3333b4c06", kill_on_drop: false }`
[INFO] [stdout] 320495a501b47f3a35cbbe7a06645ae8eea6701844d131e88f5e1ad3333b4c06
[INFO] documenting slur-0.1.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate slur 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate slur 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slur 0.1.0
[INFO] finished tweaking crates.io crate slur 0.1.0
[INFO] tweaked toml for crates.io crate slur 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec67af0cba5a5c6688a04ad371ad441b32ad0ef3ce06c94de66d7f124919ed18
[INFO] running `Command { std: "docker" "start" "-a" "ec67af0cba5a5c6688a04ad371ad441b32ad0ef3ce06c94de66d7f124919ed18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec67af0cba5a5c6688a04ad371ad441b32ad0ef3ce06c94de66d7f124919ed18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec67af0cba5a5c6688a04ad371ad441b32ad0ef3ce06c94de66d7f124919ed18", kill_on_drop: false }`
[INFO] [stdout] ec67af0cba5a5c6688a04ad371ad441b32ad0ef3ce06c94de66d7f124919ed18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77a32f17f883c0dc6a74d9cb76e875b6541f2be4e79ce53fd175d24ee86e251b
[INFO] running `Command { std: "docker" "start" "-a" "77a32f17f883c0dc6a74d9cb76e875b6541f2be4e79ce53fd175d24ee86e251b", kill_on_drop: false }`
[INFO] [stderr]     Checking imgref v1.10.0
[INFO] [stderr]     Checking imgref-iter v0.4.0
[INFO] [stderr]  Documenting slur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(portable_simd, stmt_expr_attributes)]
[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 `slur`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name slur src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f160f887eadf08c5 -L dependency=/opt/rustwide/target/debug/deps --extern imgref=/opt/rustwide/target/debug/deps/libimgref-60126bee9c6866d8.rmeta --extern imgref_iter=/opt/rustwide/target/debug/deps/libimgref_iter-cecf9085710af722.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "77a32f17f883c0dc6a74d9cb76e875b6541f2be4e79ce53fd175d24ee86e251b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a32f17f883c0dc6a74d9cb76e875b6541f2be4e79ce53fd175d24ee86e251b", kill_on_drop: false }`
[INFO] [stdout] 77a32f17f883c0dc6a74d9cb76e875b6541f2be4e79ce53fd175d24ee86e251b
