[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 1.47.0 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-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/Darktrop/Aoc on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-3/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" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2238be16bc85e11a8e2e309232ecf8550bf3b3fbb4835768cd1980d51fb5de67
[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" "2238be16bc85e11a8e2e309232ecf8550bf3b3fbb4835768cd1980d51fb5de67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2238be16bc85e11a8e2e309232ecf8550bf3b3fbb4835768cd1980d51fb5de67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2238be16bc85e11a8e2e309232ecf8550bf3b3fbb4835768cd1980d51fb5de67", kill_on_drop: false }`
[INFO] [stdout] 2238be16bc85e11a8e2e309232ecf8550bf3b3fbb4835768cd1980d51fb5de67
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a1ae92835803ff9c291e585e12c9ea4a54c3ce5ac866343256cc6fb64c32198
[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" "5a1ae92835803ff9c291e585e12c9ea4a54c3ce5ac866343256cc6fb64c32198", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking http v0.1.20
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking http-body v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tower-make v0.3.0-alpha.2a
[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking hyper v0.13.0-alpha.4
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.4.0-alpha.4
[INFO] [stderr]     Checking reqwest v0.10.0-alpha.2
[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 25s
[INFO] running `Command { std: "docker" "inspect" "5a1ae92835803ff9c291e585e12c9ea4a54c3ce5ac866343256cc6fb64c32198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1ae92835803ff9c291e585e12c9ea4a54c3ce5ac866343256cc6fb64c32198", kill_on_drop: false }`
[INFO] [stdout] 5a1ae92835803ff9c291e585e12c9ea4a54c3ce5ac866343256cc6fb64c32198