[INFO] cloning repository https://github.com/michaelfairley/adventofcode2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelfairley/adventofcode2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelfairley%2Fadventofcode2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelfairley%2Fadventofcode2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 965b548a49b848ce4e60f3e53924a6910505411d
[INFO] documenting michaelfairley/adventofcode2016 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%2Fmichaelfairley%2Fadventofcode2016" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelfairley/adventofcode2016 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/michaelfairley/adventofcode2016
[INFO] finished tweaking git repo https://github.com/michaelfairley/adventofcode2016
[INFO] tweaked toml for git repo https://github.com/michaelfairley/adventofcode2016 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelfairley/adventofcode2016 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 733ab01d84e0d3cd59f52630ca18ce85e62dd2a1346c55bce0cc4a4ed48c1b04
[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" "733ab01d84e0d3cd59f52630ca18ce85e62dd2a1346c55bce0cc4a4ed48c1b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733ab01d84e0d3cd59f52630ca18ce85e62dd2a1346c55bce0cc4a4ed48c1b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733ab01d84e0d3cd59f52630ca18ce85e62dd2a1346c55bce0cc4a4ed48c1b04", kill_on_drop: false }`
[INFO] [stdout] 733ab01d84e0d3cd59f52630ca18ce85e62dd2a1346c55bce0cc4a4ed48c1b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 82326ef0fab4f767f9effd15210bee01e9d352a7fa8fb3e635b9171d6616b347
[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" "82326ef0fab4f767f9effd15210bee01e9d352a7fa8fb3e635b9171d6616b347", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]  Documenting adventofcode2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `CIRCLE_SIZE` is defined multiple times
[INFO] [stdout]  --> src/bin/19b.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CIRCLE_SIZE: usize = 3001330;
[INFO] [stdout]   | ----------------------------------- previous definition of the value `CIRCLE_SIZE` here
[INFO] [stdout] 4 | const CIRCLE_SIZE: usize = 5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CIRCLE_SIZE` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CIRCLE_SIZE` must be defined only once in the value namespace of this module
[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] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `adventofcode2016`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name 19b src/bin/19b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern regex=/opt/rustwide/target/debug/deps/libregex-bd8efd142dc1a847.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-2bcb5996cb777496.rmeta --cap-lints=warn` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "82326ef0fab4f767f9effd15210bee01e9d352a7fa8fb3e635b9171d6616b347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82326ef0fab4f767f9effd15210bee01e9d352a7fa8fb3e635b9171d6616b347", kill_on_drop: false }`
[INFO] [stdout] 82326ef0fab4f767f9effd15210bee01e9d352a7fa8fb3e635b9171d6616b347