[INFO] cloning repository https://github.com/rrkjonnapalli/rust_intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rrkjonnapalli/rust_intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrkjonnapalli%2Frust_intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrkjonnapalli%2Frust_intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95a160baaf548afb4ce52ab59dbfd77d836b6a6b
[INFO] documenting rrkjonnapalli/rust_intro against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrkjonnapalli%2Frust_intro" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rrkjonnapalli/rust_intro on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rrkjonnapalli/rust_intro
[INFO] finished tweaking git repo https://github.com/rrkjonnapalli/rust_intro
[INFO] tweaked toml for git repo https://github.com/rrkjonnapalli/rust_intro written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/rrkjonnapalli/rust_intro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca594c8c66703cca8235f52f52cd0b69e144a1310f66d5737dbcfab51a0c349
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dca594c8c66703cca8235f52f52cd0b69e144a1310f66d5737dbcfab51a0c349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca594c8c66703cca8235f52f52cd0b69e144a1310f66d5737dbcfab51a0c349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca594c8c66703cca8235f52f52cd0b69e144a1310f66d5737dbcfab51a0c349", kill_on_drop: false }`
[INFO] [stdout] dca594c8c66703cca8235f52f52cd0b69e144a1310f66d5737dbcfab51a0c349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2a44e1db1e335d7a7e25b5190668e99263510f792a79d28f143b3143d4d6ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc2a44e1db1e335d7a7e25b5190668e99263510f792a79d28f143b3143d4d6ef", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking text_io v0.1.6
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking quickersort v3.0.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]  Documenting rust_intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `;`
[INFO] [stdout]   --> src/quick_sort.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     quick_sort(;mut &arr, 0, 5);
[INFO] [stdout]    |                ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rust_intro`.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name rust_intro src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-1aa9bb0c0d997e87.rmeta --extern quickersort=/opt/rustwide/target/debug/deps/libquickersort-6be629c35b140a22.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-e6188b99cf153420.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-a62518caae34c9d7.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "bc2a44e1db1e335d7a7e25b5190668e99263510f792a79d28f143b3143d4d6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2a44e1db1e335d7a7e25b5190668e99263510f792a79d28f143b3143d4d6ef", kill_on_drop: false }`
[INFO] [stdout] bc2a44e1db1e335d7a7e25b5190668e99263510f792a79d28f143b3143d4d6ef