[INFO] cloning repository https://github.com/jtdowney/advent-2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtdowney/advent-2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fadvent-2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fadvent-2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98937fc05513ce63b9d3229a3ecd1d8c8713dc09
[INFO] documenting jtdowney/advent-2016 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fadvent-2016" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtdowney/advent-2016 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtdowney/advent-2016
[INFO] finished tweaking git repo https://github.com/jtdowney/advent-2016
[INFO] tweaked toml for git repo https://github.com/jtdowney/advent-2016 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jtdowney/advent-2016 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded interval_tree v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 017abf56b8cf053a4ec7a1790fd3777cc4f0a3ad715cdc484a9d797f11082688
[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" "017abf56b8cf053a4ec7a1790fd3777cc4f0a3ad715cdc484a9d797f11082688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "017abf56b8cf053a4ec7a1790fd3777cc4f0a3ad715cdc484a9d797f11082688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017abf56b8cf053a4ec7a1790fd3777cc4f0a3ad715cdc484a9d797f11082688", kill_on_drop: false }`
[INFO] [stdout] 017abf56b8cf053a4ec7a1790fd3777cc4f0a3ad715cdc484a9d797f11082688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e5833645709c5874994de7a52771726aebcd4eae289d366787dbcbdf6f05348
[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" "9e5833645709c5874994de7a52771726aebcd4eae289d366787dbcbdf6f05348", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]     Checking permutohedron v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking itertools v0.5.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking interval_tree v0.2.0
[INFO] [stderr]     Checking advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/common/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     error_chain!{
[INFO] [stdout] 10 | |         foreign_links {
[INFO] [stdout] 11 | |             Fmt(::std::fmt::Error);
[INFO] [stdout] 12 | |             FromUtf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |         }
[INFO] [stdout] 17 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/common/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     error_chain!{
[INFO] [stdout] 10 | |         foreign_links {
[INFO] [stdout] 11 | |             Fmt(::std::fmt::Error);
[INFO] [stdout] 12 | |             FromUtf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |         }
[INFO] [stdout] 17 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/common/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     error_chain!{
[INFO] [stdout] 10 | |         foreign_links {
[INFO] [stdout] 11 | |             Fmt(::std::fmt::Error);
[INFO] [stdout] 12 | |             FromUtf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |         }
[INFO] [stdout] 17 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `advent`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day21 src/bin/day21.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-b5617cb35029a259.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-cfb69f97ed1af440.rmeta --extern interval_tree=/opt/rustwide/target/debug/deps/libinterval_tree-d83d5c5e16106d95.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9b3067a5b0ee514c.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bb67cfa5d11b7cca.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-1622afb54a77121e.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-2727b2195f35187b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-96702b16b8d69382.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-714fdd15fdb1af72.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9e5833645709c5874994de7a52771726aebcd4eae289d366787dbcbdf6f05348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5833645709c5874994de7a52771726aebcd4eae289d366787dbcbdf6f05348", kill_on_drop: false }`
[INFO] [stdout] 9e5833645709c5874994de7a52771726aebcd4eae289d366787dbcbdf6f05348