[INFO] fetching crate arc_ast 0.4.2...
[INFO] documenting arc_ast-0.4.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate arc_ast 0.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate arc_ast 0.4.2 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 arc_ast 0.4.2
[INFO] finished tweaking crates.io crate arc_ast 0.4.2
[INFO] tweaked toml for crates.io crate arc_ast 0.4.2 written to /workspace/builds/worker-3-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 num-complex v0.3.1
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded bigdecimal v0.2.2
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aa520e3117dd14d0b432c23cf352556bca9f98b2c9250727fca8bc7c25b4d6ab
[INFO] running `Command { std: "docker" "start" "-a" "aa520e3117dd14d0b432c23cf352556bca9f98b2c9250727fca8bc7c25b4d6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa520e3117dd14d0b432c23cf352556bca9f98b2c9250727fca8bc7c25b4d6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa520e3117dd14d0b432c23cf352556bca9f98b2c9250727fca8bc7c25b4d6ab", kill_on_drop: false }`
[INFO] [stdout] aa520e3117dd14d0b432c23cf352556bca9f98b2c9250727fca8bc7c25b4d6ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 93ccf5007c23ae9723eb01f45f27a4e1e745fffba8152dada500b4720f90caf0
[INFO] running `Command { std: "docker" "start" "-a" "93ccf5007c23ae9723eb01f45f27a4e1e745fffba8152dada500b4720f90caf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking bigdecimal v0.2.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]  Documenting arc_ast v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 `arc_ast`
[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 lib --crate-name arc_ast src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="convert"' --cfg 'feature="default"' --cfg 'feature="json"' --cfg 'feature="serde_json"' --cfg 'feature="toml"' --cfg 'feature="yaml"' --cfg 'feature="yaml-rust"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=47341f605bfeb061 -L dependency=/opt/rustwide/target/debug/deps --extern bigdecimal=/opt/rustwide/target/debug/deps/libbigdecimal-fb9d64abee147bb5.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-58405e37aead09da.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-df0abd72021fdffc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d959715fe86d3f0d.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f7b2371e6fa53dc6.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-9f24908c30b1978c.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-411458cd4ac76b95.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "93ccf5007c23ae9723eb01f45f27a4e1e745fffba8152dada500b4720f90caf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ccf5007c23ae9723eb01f45f27a4e1e745fffba8152dada500b4720f90caf0", kill_on_drop: false }`
[INFO] [stdout] 93ccf5007c23ae9723eb01f45f27a4e1e745fffba8152dada500b4720f90caf0
[INFO] documenting arc_ast-0.4.2 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate arc_ast 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate arc_ast 0.4.2 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 arc_ast 0.4.2
[INFO] finished tweaking crates.io crate arc_ast 0.4.2
[INFO] tweaked toml for crates.io crate arc_ast 0.4.2 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 68d02dd02d294d0bd4e860b8f2bfab33ad8359b9949a56013718ce5380d73c30
[INFO] running `Command { std: "docker" "start" "-a" "68d02dd02d294d0bd4e860b8f2bfab33ad8359b9949a56013718ce5380d73c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68d02dd02d294d0bd4e860b8f2bfab33ad8359b9949a56013718ce5380d73c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d02dd02d294d0bd4e860b8f2bfab33ad8359b9949a56013718ce5380d73c30", kill_on_drop: false }`
[INFO] [stdout] 68d02dd02d294d0bd4e860b8f2bfab33ad8359b9949a56013718ce5380d73c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e21e24b53846c46f7206149ccf44d1e0594ecc889eea48d1ea56e858454e5d74
[INFO] running `Command { std: "docker" "start" "-a" "e21e24b53846c46f7206149ccf44d1e0594ecc889eea48d1ea56e858454e5d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking bigdecimal v0.2.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]  Documenting arc_ast v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 `arc_ast`
[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 lib --crate-name arc_ast src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="convert"' --cfg 'feature="default"' --cfg 'feature="json"' --cfg 'feature="serde_json"' --cfg 'feature="toml"' --cfg 'feature="yaml"' --cfg 'feature="yaml-rust"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=38dd6a2719bf059f -L dependency=/opt/rustwide/target/debug/deps --extern bigdecimal=/opt/rustwide/target/debug/deps/libbigdecimal-0d784c54880901f4.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-d77b62b9e17676a6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-e164c2e866c4dad5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3f6515b8468627a8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f73e9a31faf7ce8e.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-525463f12881aa53.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-a4620d32c7d6e377.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e21e24b53846c46f7206149ccf44d1e0594ecc889eea48d1ea56e858454e5d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21e24b53846c46f7206149ccf44d1e0594ecc889eea48d1ea56e858454e5d74", kill_on_drop: false }`
[INFO] [stdout] e21e24b53846c46f7206149ccf44d1e0594ecc889eea48d1ea56e858454e5d74
