[INFO] fetching crate beagle 0.1.4...
[INFO] documenting beagle-0.1.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate beagle 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate beagle 0.1.4 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 beagle 0.1.4
[INFO] finished tweaking crates.io crate beagle 0.1.4
[INFO] tweaked toml for crates.io crate beagle 0.1.4 written to /workspace/builds/worker-1-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] 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 31dc255bda19b3f96e45acff9ee504e1e835d57b5f1130fdf458ab1352c2655d
[INFO] running `Command { std: "docker" "start" "-a" "31dc255bda19b3f96e45acff9ee504e1e835d57b5f1130fdf458ab1352c2655d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31dc255bda19b3f96e45acff9ee504e1e835d57b5f1130fdf458ab1352c2655d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31dc255bda19b3f96e45acff9ee504e1e835d57b5f1130fdf458ab1352c2655d", kill_on_drop: false }`
[INFO] [stdout] 31dc255bda19b3f96e45acff9ee504e1e835d57b5f1130fdf458ab1352c2655d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a8a0a29dbef77ae110f3c17585505778e170de11036d75bd257d37959ea7419e
[INFO] running `Command { std: "docker" "start" "-a" "a8a0a29dbef77ae110f3c17585505778e170de11036d75bd257d37959ea7419e", kill_on_drop: false }`
[INFO] [stderr]    Compiling beagle v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> build_mat.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         try!(write!(f,"
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try!(write!(f,"    }}\n}}\n"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             try!(write!(f,"        "));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             try!(write!(f,"("));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             try!(write!(f,")"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 try!(write!(f,"-"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 try!(write!(f," "));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 try!(write!(f,"self[{row}][{index}]", row=row, index=index));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(write!(f,"*self[{row}][{index}]", row=row, index=index));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 try!(write!(f,"\n"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> build_mat.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 try!(write!(f," + \n"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting beagle v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(advanced_slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: merged into `#![feature(slice_patterns)]`
[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 `beagle`
[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 --crate-type lib --crate-name beagle src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b5751358378e944b -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a8a0a29dbef77ae110f3c17585505778e170de11036d75bd257d37959ea7419e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a0a29dbef77ae110f3c17585505778e170de11036d75bd257d37959ea7419e", kill_on_drop: false }`
[INFO] [stdout] a8a0a29dbef77ae110f3c17585505778e170de11036d75bd257d37959ea7419e
