[INFO] fetching crate psi-core 0.0.0...
[INFO] documenting psi-core-0.0.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate psi-core 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate psi-core 0.0.0 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 psi-core 0.0.0
[INFO] finished tweaking crates.io crate psi-core 0.0.0
[INFO] tweaked toml for crates.io crate psi-core 0.0.0 written to /workspace/builds/worker-6-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8876cd8721072d013790b8a47143cf6eef835853f297c21de1a13b5e606437bb
[INFO] running `Command { std: "docker" "start" "-a" "8876cd8721072d013790b8a47143cf6eef835853f297c21de1a13b5e606437bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8876cd8721072d013790b8a47143cf6eef835853f297c21de1a13b5e606437bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8876cd8721072d013790b8a47143cf6eef835853f297c21de1a13b5e606437bb", kill_on_drop: false }`
[INFO] [stdout] 8876cd8721072d013790b8a47143cf6eef835853f297c21de1a13b5e606437bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ee4c42cc14ca1f4d657b407a0ce3a23c18c50edc550c8cb746d6a3d6f2d8b9e5
[INFO] running `Command { std: "docker" "start" "-a" "ee4c42cc14ca1f4d657b407a0ce3a23c18c50edc550c8cb746d6a3d6f2d8b9e5", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]  Documenting psi-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[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 `psi-core`
[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 psi_core src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2a70eb6c32c01367 -L dependency=/opt/rustwide/target/debug/deps --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-e4784a4858e72bee.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-0097e3d886a280f5.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-51e81bbd4892d5a9.rmeta --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ee4c42cc14ca1f4d657b407a0ce3a23c18c50edc550c8cb746d6a3d6f2d8b9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4c42cc14ca1f4d657b407a0ce3a23c18c50edc550c8cb746d6a3d6f2d8b9e5", kill_on_drop: false }`
[INFO] [stdout] ee4c42cc14ca1f4d657b407a0ce3a23c18c50edc550c8cb746d6a3d6f2d8b9e5
