[INFO] fetching crate clucstr 1.1.91...
[INFO] documenting clucstr-1.1.91 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate clucstr 1.1.91 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate clucstr 1.1.91 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 clucstr 1.1.91
[INFO] finished tweaking crates.io crate clucstr 1.1.91
[INFO] tweaked toml for crates.io crate clucstr 1.1.91 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate clucstr 1.1.91 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 46b7ae759c73a3b6575344ed7c40436c7a095a4d15e92384f8d42398f4838b8a
[INFO] running `Command { std: "docker" "start" "-a" "46b7ae759c73a3b6575344ed7c40436c7a095a4d15e92384f8d42398f4838b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b7ae759c73a3b6575344ed7c40436c7a095a4d15e92384f8d42398f4838b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b7ae759c73a3b6575344ed7c40436c7a095a4d15e92384f8d42398f4838b8a", kill_on_drop: false }`
[INFO] [stdout] 46b7ae759c73a3b6575344ed7c40436c7a095a4d15e92384f8d42398f4838b8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 566a8b84072a4861d4a533a30960556f6acfc5a6c0a645d93ff731d0877530c3
[INFO] running `Command { std: "docker" "start" "-a" "566a8b84072a4861d4a533a30960556f6acfc5a6c0a645d93ff731d0877530c3", kill_on_drop: false }`
[INFO] [stderr]  Documenting clucstr v1.1.91 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `clucstr`
[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=2018 --crate-type dylib --crate-name clucstr src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cf4f27c8b4cf52aa -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 1.1.91` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "566a8b84072a4861d4a533a30960556f6acfc5a6c0a645d93ff731d0877530c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566a8b84072a4861d4a533a30960556f6acfc5a6c0a645d93ff731d0877530c3", kill_on_drop: false }`
[INFO] [stdout] 566a8b84072a4861d4a533a30960556f6acfc5a6c0a645d93ff731d0877530c3
[INFO] documenting clucstr-1.1.91 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate clucstr 1.1.91 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate clucstr 1.1.91 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 clucstr 1.1.91
[INFO] finished tweaking crates.io crate clucstr 1.1.91
[INFO] tweaked toml for crates.io crate clucstr 1.1.91 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate clucstr 1.1.91 already has a lockfile, it will not be regenerated
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bf5d95e7068b6ce09270febcc6865d22b107c9956bee3a5f7c08b997cba1a9fb
[INFO] running `Command { std: "docker" "start" "-a" "bf5d95e7068b6ce09270febcc6865d22b107c9956bee3a5f7c08b997cba1a9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf5d95e7068b6ce09270febcc6865d22b107c9956bee3a5f7c08b997cba1a9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5d95e7068b6ce09270febcc6865d22b107c9956bee3a5f7c08b997cba1a9fb", kill_on_drop: false }`
[INFO] [stdout] bf5d95e7068b6ce09270febcc6865d22b107c9956bee3a5f7c08b997cba1a9fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5d6fbe1f765deb2703591b69f2a605a29eafa4a3603df0d67e7e74e78e2f859f
[INFO] running `Command { std: "docker" "start" "-a" "5d6fbe1f765deb2703591b69f2a605a29eafa4a3603df0d67e7e74e78e2f859f", kill_on_drop: false }`
[INFO] [stderr]  Documenting clucstr v1.1.91 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `clucstr`
[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=2018 --crate-type dylib --crate-name clucstr src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d4eefa0473e281b1 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 1.1.91` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5d6fbe1f765deb2703591b69f2a605a29eafa4a3603df0d67e7e74e78e2f859f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6fbe1f765deb2703591b69f2a605a29eafa4a3603df0d67e7e74e78e2f859f", kill_on_drop: false }`
[INFO] [stdout] 5d6fbe1f765deb2703591b69f2a605a29eafa4a3603df0d67e7e74e78e2f859f
