[INFO] cloning repository https://github.com/MetacampDAO/in-class-module-03
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MetacampDAO/in-class-module-03" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetacampDAO%2Fin-class-module-03", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetacampDAO%2Fin-class-module-03'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c227c56b4ccbc4d0d4a361149488458f159fe97
[INFO] documenting MetacampDAO/in-class-module-03 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetacampDAO%2Fin-class-module-03" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MetacampDAO/in-class-module-03 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 git repo https://github.com/MetacampDAO/in-class-module-03
[INFO] finished tweaking git repo https://github.com/MetacampDAO/in-class-module-03
[INFO] tweaked toml for git repo https://github.com/MetacampDAO/in-class-module-03 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MetacampDAO/in-class-module-03 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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] 77153760544e530ebc4d39410bd80bc3deb43b0d9bcbf6dfb0dbdf2faca439d9
[INFO] running `Command { std: "docker" "start" "-a" "77153760544e530ebc4d39410bd80bc3deb43b0d9bcbf6dfb0dbdf2faca439d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77153760544e530ebc4d39410bd80bc3deb43b0d9bcbf6dfb0dbdf2faca439d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77153760544e530ebc4d39410bd80bc3deb43b0d9bcbf6dfb0dbdf2faca439d9", kill_on_drop: false }`
[INFO] [stdout] 77153760544e530ebc4d39410bd80bc3deb43b0d9bcbf6dfb0dbdf2faca439d9
[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] 70372ed3c509f1124bcdd1722a82d6f3fb7b9f62cf4b9ea50dbfa19be25c11a0
[INFO] running `Command { std: "docker" "start" "-a" "70372ed3c509f1124bcdd1722a82d6f3fb7b9f62cf4b9ea50dbfa19be25c11a0", kill_on_drop: false }`
[INFO] [stderr]  Documenting in-class-module-03 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>`
[INFO] [stdout]   --> src/bin/error6.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |          Ok(file) => // do the necessary
[INFO] [stdout]    |                   -- while parsing the `match` arm starting here
[INFO] [stdout] 17 |          Err(e) => // do the necessary
[INFO] [stdout]    |                 ^^ expected one of `,`, `.`, `?`, `}`, or an operator
[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] [stderr] error: could not document `in-class-module-03`
[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 bin --crate-name error6 src/bin/error6.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=8a49a29f71f8652d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "70372ed3c509f1124bcdd1722a82d6f3fb7b9f62cf4b9ea50dbfa19be25c11a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70372ed3c509f1124bcdd1722a82d6f3fb7b9f62cf4b9ea50dbfa19be25c11a0", kill_on_drop: false }`
[INFO] [stdout] 70372ed3c509f1124bcdd1722a82d6f3fb7b9f62cf4b9ea50dbfa19be25c11a0
[INFO] documenting MetacampDAO/in-class-module-03 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetacampDAO%2Fin-class-module-03" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MetacampDAO/in-class-module-03 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 git repo https://github.com/MetacampDAO/in-class-module-03
[INFO] finished tweaking git repo https://github.com/MetacampDAO/in-class-module-03
[INFO] tweaked toml for git repo https://github.com/MetacampDAO/in-class-module-03 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MetacampDAO/in-class-module-03 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-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] d67fd5db45d7ec90d28c009fd89c8172061db4e13464fbd9f289e3e9c6fd405b
[INFO] running `Command { std: "docker" "start" "-a" "d67fd5db45d7ec90d28c009fd89c8172061db4e13464fbd9f289e3e9c6fd405b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d67fd5db45d7ec90d28c009fd89c8172061db4e13464fbd9f289e3e9c6fd405b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67fd5db45d7ec90d28c009fd89c8172061db4e13464fbd9f289e3e9c6fd405b", kill_on_drop: false }`
[INFO] [stdout] d67fd5db45d7ec90d28c009fd89c8172061db4e13464fbd9f289e3e9c6fd405b
[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] ef156dd11ed1f4c3292f1db5aa4a3d517e2b8a787d846631b6afd57baff11165
[INFO] running `Command { std: "docker" "start" "-a" "ef156dd11ed1f4c3292f1db5aa4a3d517e2b8a787d846631b6afd57baff11165", kill_on_drop: false }`
[INFO] [stderr]  Documenting in-class-module-03 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>`
[INFO] [stdout]   --> src/bin/error6.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |          Err(e) => // do the necessary
[INFO] [stdout]    |                 ^^ expected one of `,`, `.`, `?`, `}`, or an operator
[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] [stderr] error: could not document `in-class-module-03`
[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=2021 --crate-type bin --crate-name error6 src/bin/error6.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=73ef347a576321f1 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ef156dd11ed1f4c3292f1db5aa4a3d517e2b8a787d846631b6afd57baff11165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef156dd11ed1f4c3292f1db5aa4a3d517e2b8a787d846631b6afd57baff11165", kill_on_drop: false }`
[INFO] [stdout] ef156dd11ed1f4c3292f1db5aa4a3d517e2b8a787d846631b6afd57baff11165
