[INFO] fetching crate cat-ascii-faces 0.1.4...
[INFO] documenting cat-ascii-faces-0.1.4 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate cat-ascii-faces 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cat-ascii-faces 0.1.4 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cat-ascii-faces 0.1.4
[INFO] finished tweaking crates.io crate cat-ascii-faces 0.1.4
[INFO] tweaked toml for crates.io crate cat-ascii-faces 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cat-ascii-faces 0.1.4 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinyrand v0.5.0
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4db8c1de338a1956435df03e87b6d1056ad8c050cdabb567734c993eeb6362ad
[INFO] running `Command { std: "docker" "start" "-a" "4db8c1de338a1956435df03e87b6d1056ad8c050cdabb567734c993eeb6362ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db8c1de338a1956435df03e87b6d1056ad8c050cdabb567734c993eeb6362ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db8c1de338a1956435df03e87b6d1056ad8c050cdabb567734c993eeb6362ad", kill_on_drop: false }`
[INFO] [stdout] 4db8c1de338a1956435df03e87b6d1056ad8c050cdabb567734c993eeb6362ad
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f49e8ab740810cbaeacb2350e46db0157117bacf8d8e6df2c53ab32d2f0bdfc
[INFO] running `Command { std: "docker" "start" "-a" "9f49e8ab740810cbaeacb2350e46db0157117bacf8d8e6df2c53ab32d2f0bdfc", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyrand v0.5.0
[INFO] [stderr]     Checking cat-ascii-faces v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cat-ascii-faces v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[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 `cat-ascii-faces`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name cargo_cat src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=840f9812922dd03e -L dependency=/opt/rustwide/target/debug/deps --extern cat_ascii_faces=/opt/rustwide/target/debug/deps/libcat_ascii_faces-07f6445fd9533a29.rmeta --extern tinyrand=/opt/rustwide/target/debug/deps/libtinyrand-b3fe70dc3c3489df.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9f49e8ab740810cbaeacb2350e46db0157117bacf8d8e6df2c53ab32d2f0bdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f49e8ab740810cbaeacb2350e46db0157117bacf8d8e6df2c53ab32d2f0bdfc", kill_on_drop: false }`
[INFO] [stdout] 9f49e8ab740810cbaeacb2350e46db0157117bacf8d8e6df2c53ab32d2f0bdfc
[INFO] documenting cat-ascii-faces-0.1.4 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate cat-ascii-faces 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cat-ascii-faces 0.1.4 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cat-ascii-faces 0.1.4
[INFO] finished tweaking crates.io crate cat-ascii-faces 0.1.4
[INFO] tweaked toml for crates.io crate cat-ascii-faces 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate cat-ascii-faces 0.1.4 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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e52243405c41ce08df703e0c3aa4cbbc4cfc4ba107956a37f8067449846f59a
[INFO] running `Command { std: "docker" "start" "-a" "8e52243405c41ce08df703e0c3aa4cbbc4cfc4ba107956a37f8067449846f59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e52243405c41ce08df703e0c3aa4cbbc4cfc4ba107956a37f8067449846f59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e52243405c41ce08df703e0c3aa4cbbc4cfc4ba107956a37f8067449846f59a", kill_on_drop: false }`
[INFO] [stdout] 8e52243405c41ce08df703e0c3aa4cbbc4cfc4ba107956a37f8067449846f59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdb092f7304f41853610c7e785a22eac330ffabf4848b9b1a88c36eb728c3f5d
[INFO] running `Command { std: "docker" "start" "-a" "fdb092f7304f41853610c7e785a22eac330ffabf4848b9b1a88c36eb728c3f5d", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyrand v0.5.0
[INFO] [stderr]  Documenting cat-ascii-faces v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cat-ascii-faces v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[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 `cat-ascii-faces`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name cargo_cat src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=07bd528aeb8eb339 -L dependency=/opt/rustwide/target/debug/deps --extern cat_ascii_faces=/opt/rustwide/target/debug/deps/libcat_ascii_faces-3b947df4fdd98727.rmeta --extern tinyrand=/opt/rustwide/target/debug/deps/libtinyrand-96c8a708547783b6.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fdb092f7304f41853610c7e785a22eac330ffabf4848b9b1a88c36eb728c3f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb092f7304f41853610c7e785a22eac330ffabf4848b9b1a88c36eb728c3f5d", kill_on_drop: false }`
[INFO] [stdout] fdb092f7304f41853610c7e785a22eac330ffabf4848b9b1a88c36eb728c3f5d
