[INFO] cloning repository https://github.com/1derless/lmc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1derless/lmc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1derless%2Flmc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1derless%2Flmc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f24fb7802957b1fcf1f97b52189d6501293b449
[INFO] documenting 1derless/lmc against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1derless%2Flmc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1derless/lmc on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1derless/lmc
[INFO] finished tweaking git repo https://github.com/1derless/lmc
[INFO] tweaked toml for git repo https://github.com/1derless/lmc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/1derless/lmc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24a46f9c6330adf2ea411a18baaf98e08a3ed41fae0bf9fb9bd421d02ff855ae
[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" "24a46f9c6330adf2ea411a18baaf98e08a3ed41fae0bf9fb9bd421d02ff855ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a46f9c6330adf2ea411a18baaf98e08a3ed41fae0bf9fb9bd421d02ff855ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a46f9c6330adf2ea411a18baaf98e08a3ed41fae0bf9fb9bd421d02ff855ae", kill_on_drop: false }`
[INFO] [stdout] 24a46f9c6330adf2ea411a18baaf98e08a3ed41fae0bf9fb9bd421d02ff855ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0543f95cd58097cebe4bbe83b9c951df35baf30edaaf3737bd5b5f547e245a93
[INFO] running `Command { std: "docker" "start" "-a" "0543f95cd58097cebe4bbe83b9c951df35baf30edaaf3737bd5b5f547e245a93", kill_on_drop: false }`
[INFO] [stderr]  Documenting lmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `<`, `>`, or `as`, found keyword `use`
[INFO] [stdout]    --> src/main.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 208 | <<<<<<< HEAD
[INFO] [stdout]     |             - expected one of 7 possible tokens
[INFO] [stdout] 209 |     // Read file.
[INFO] [stdout] 210 |     use std::io::Read;
[INFO] [stdout]     |     ^^^ unexpected token
[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 `lmc`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name lmc 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 --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0543f95cd58097cebe4bbe83b9c951df35baf30edaaf3737bd5b5f547e245a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0543f95cd58097cebe4bbe83b9c951df35baf30edaaf3737bd5b5f547e245a93", kill_on_drop: false }`
[INFO] [stdout] 0543f95cd58097cebe4bbe83b9c951df35baf30edaaf3737bd5b5f547e245a93