[INFO] fetching crate deus-nqueens 0.4.2...
[INFO] documenting deus-nqueens-0.4.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate deus-nqueens 0.4.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate deus-nqueens 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 deus-nqueens 0.4.2
[INFO] finished tweaking crates.io crate deus-nqueens 0.4.2
[INFO] tweaked toml for crates.io crate deus-nqueens 0.4.2 written to /workspace/builds/worker-4-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 svg v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9561bdd6946adb8616ebb2b8cc9495d4ff628d500f81fbf87f8c64f82d7dd195
[INFO] running `Command { std: "docker" "start" "-a" "9561bdd6946adb8616ebb2b8cc9495d4ff628d500f81fbf87f8c64f82d7dd195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9561bdd6946adb8616ebb2b8cc9495d4ff628d500f81fbf87f8c64f82d7dd195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9561bdd6946adb8616ebb2b8cc9495d4ff628d500f81fbf87f8c64f82d7dd195", kill_on_drop: false }`
[INFO] [stdout] 9561bdd6946adb8616ebb2b8cc9495d4ff628d500f81fbf87f8c64f82d7dd195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1bf3d9f5af45b1726612277425a42738b1f83ab11f120070f56268f42975e464
[INFO] running `Command { std: "docker" "start" "-a" "1bf3d9f5af45b1726612277425a42738b1f83ab11f120070f56268f42975e464", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking svg v0.13.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]  Documenting deus-nqueens v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generators)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[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 `deus-nqueens`
[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 deus_nqueens src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2d10e66692d32587 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-dbd7922ddc771bc2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-7924f367cf8c4763.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-6c656b3e72f7bfc4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-84eed1b77a990a3c.rmeta --extern svg=/opt/rustwide/target/debug/deps/libsvg-c6f2bd00be9bc3ad.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1bf3d9f5af45b1726612277425a42738b1f83ab11f120070f56268f42975e464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf3d9f5af45b1726612277425a42738b1f83ab11f120070f56268f42975e464", kill_on_drop: false }`
[INFO] [stdout] 1bf3d9f5af45b1726612277425a42738b1f83ab11f120070f56268f42975e464
[INFO] documenting deus-nqueens-0.4.2 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate deus-nqueens 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate deus-nqueens 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 deus-nqueens 0.4.2
[INFO] finished tweaking crates.io crate deus-nqueens 0.4.2
[INFO] tweaked toml for crates.io crate deus-nqueens 0.4.2 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 599ef32ecf279d079614077a73976564045ee9a6530014f435d4a6178c4f6ef8
[INFO] running `Command { std: "docker" "start" "-a" "599ef32ecf279d079614077a73976564045ee9a6530014f435d4a6178c4f6ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "599ef32ecf279d079614077a73976564045ee9a6530014f435d4a6178c4f6ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599ef32ecf279d079614077a73976564045ee9a6530014f435d4a6178c4f6ef8", kill_on_drop: false }`
[INFO] [stdout] 599ef32ecf279d079614077a73976564045ee9a6530014f435d4a6178c4f6ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c6c3a93c90e9f856c8f0c0ce10660bd553d0bc1d383ae356dc1ff2aa03468889
[INFO] running `Command { std: "docker" "start" "-a" "c6c3a93c90e9f856c8f0c0ce10660bd553d0bc1d383ae356dc1ff2aa03468889", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking svg v0.13.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]  Documenting deus-nqueens v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generators)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[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 `deus-nqueens`
[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 deus_nqueens src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8fb7b915645f8c45 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-caa732e6743421e5.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-d3e91952e524d175.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-f65c8e859107b340.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0227aea0ead23fdc.rmeta --extern svg=/opt/rustwide/target/debug/deps/libsvg-3727aa8a121b9bd5.rmeta --cap-lints=warn --crate-version 0.4.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c6c3a93c90e9f856c8f0c0ce10660bd553d0bc1d383ae356dc1ff2aa03468889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c3a93c90e9f856c8f0c0ce10660bd553d0bc1d383ae356dc1ff2aa03468889", kill_on_drop: false }`
[INFO] [stdout] c6c3a93c90e9f856c8f0c0ce10660bd553d0bc1d383ae356dc1ff2aa03468889
