[INFO] cloning repository https://github.com/Darktrop/Aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Darktrop/Aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarktrop%2FAoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarktrop%2FAoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5905208a07b4011340caddf1c08591bf236477c
[INFO] documenting Darktrop/Aoc against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarktrop%2FAoc" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Darktrop/Aoc on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Darktrop/Aoc
[INFO] finished tweaking git repo https://github.com/Darktrop/Aoc
[INFO] tweaked toml for git repo https://github.com/Darktrop/Aoc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Darktrop/Aoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0db4fe35e80113747ce747348b752f20d5797a5db9e2c91a0b62cfa65eda309b
[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" "0db4fe35e80113747ce747348b752f20d5797a5db9e2c91a0b62cfa65eda309b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db4fe35e80113747ce747348b752f20d5797a5db9e2c91a0b62cfa65eda309b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db4fe35e80113747ce747348b752f20d5797a5db9e2c91a0b62cfa65eda309b", kill_on_drop: false }`
[INFO] [stdout] 0db4fe35e80113747ce747348b752f20d5797a5db9e2c91a0b62cfa65eda309b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e2f575b906f9a1d4a51a33dea4f4420164013c4aa57b3b298707604305fd3d
[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" "b2e2f575b906f9a1d4a51a33dea4f4420164013c4aa57b3b298707604305fd3d", 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] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling serde v1.0.103
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[INFO] [stderr]    Compiling serde_derive v1.0.103
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[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
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[INFO] [stderr]  Documenting advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/solutions/r2019_16.rs:74:30
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     1 => r = (r + v1),
[INFO] [stdout]    |                              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/solutions/r2019_16.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     3 => r = (r - v1),
[INFO] [stdout]    |                              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/solutions/intcode.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 (self.relative_base + destination)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "b2e2f575b906f9a1d4a51a33dea4f4420164013c4aa57b3b298707604305fd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e2f575b906f9a1d4a51a33dea4f4420164013c4aa57b3b298707604305fd3d", kill_on_drop: false }`
[INFO] [stdout] b2e2f575b906f9a1d4a51a33dea4f4420164013c4aa57b3b298707604305fd3d