[INFO] cloning repository https://github.com/TheNumberOne/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheNumberOne/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e71b71dc604c2d154389eef4d36e195a07e2425
[INFO] documenting TheNumberOne/advent-of-code-2019 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheNumberOne/advent-of-code-2019 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheNumberOne/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/TheNumberOne/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/TheNumberOne/advent-of-code-2019 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/TheNumberOne/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded enum-primitive-derive v0.1.2
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] [stderr]   Downloaded gcd v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4295f492495f34c21f33ce04f983aee968a3b7c2c2ff95242cb9cfabd41e940e
[INFO] running `Command { std: "docker" "start" "-a" "4295f492495f34c21f33ce04f983aee968a3b7c2c2ff95242cb9cfabd41e940e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4295f492495f34c21f33ce04f983aee968a3b7c2c2ff95242cb9cfabd41e940e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4295f492495f34c21f33ce04f983aee968a3b7c2c2ff95242cb9cfabd41e940e", kill_on_drop: false }`
[INFO] [stdout] 4295f492495f34c21f33ce04f983aee968a3b7c2c2ff95242cb9cfabd41e940e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6141057d88a59c128365cee699c4af5fb336ac6a057180056c8358c1338574
[INFO] running `Command { std: "docker" "start" "-a" "2d6141057d88a59c128365cee699c4af5fb336ac6a057180056c8358c1338574", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking gcd v1.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]  Documenting advent-of-code-2019-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-of-code-2019-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_12_1 src/day-12-1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=97e068403b78e998 -L dependency=/opt/rustwide/target/debug/deps --extern enum_primitive_derive=/opt/rustwide/target/debug/deps/libenum_primitive_derive-48e981e99a89189d.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-009702cafa55a770.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-c824f6c6e9270563.so --extern gcd=/opt/rustwide/target/debug/deps/libgcd-8a2d1cae68fb68dd.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-992fe5da51c79b5a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3e8adc838054863b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `advent-of-code-2019-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_7 src/day-7.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9699780af3aeb9dd -L dependency=/opt/rustwide/target/debug/deps --extern enum_primitive_derive=/opt/rustwide/target/debug/deps/libenum_primitive_derive-48e981e99a89189d.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-009702cafa55a770.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-c824f6c6e9270563.so --extern gcd=/opt/rustwide/target/debug/deps/libgcd-8a2d1cae68fb68dd.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-992fe5da51c79b5a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3e8adc838054863b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-code-2019-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_5 src/day-5.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2b6da79ad421c869 -L dependency=/opt/rustwide/target/debug/deps --extern enum_primitive_derive=/opt/rustwide/target/debug/deps/libenum_primitive_derive-48e981e99a89189d.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-009702cafa55a770.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-c824f6c6e9270563.so --extern gcd=/opt/rustwide/target/debug/deps/libgcd-8a2d1cae68fb68dd.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-992fe5da51c79b5a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3e8adc838054863b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-code-2019-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_4_1 src/day-4-1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=78b1f8a42b10fe09 -L dependency=/opt/rustwide/target/debug/deps --extern enum_primitive_derive=/opt/rustwide/target/debug/deps/libenum_primitive_derive-48e981e99a89189d.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-009702cafa55a770.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-c824f6c6e9270563.so --extern gcd=/opt/rustwide/target/debug/deps/libgcd-8a2d1cae68fb68dd.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-992fe5da51c79b5a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3e8adc838054863b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-code-2019-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_9 src/day-9.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=01c41392f7fb559c -L dependency=/opt/rustwide/target/debug/deps --extern enum_primitive_derive=/opt/rustwide/target/debug/deps/libenum_primitive_derive-48e981e99a89189d.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-009702cafa55a770.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-c824f6c6e9270563.so --extern gcd=/opt/rustwide/target/debug/deps/libgcd-8a2d1cae68fb68dd.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-992fe5da51c79b5a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3e8adc838054863b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-code-2019-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_3_1 src/day-3-1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=945da60e41845cbb -L dependency=/opt/rustwide/target/debug/deps --extern enum_primitive_derive=/opt/rustwide/target/debug/deps/libenum_primitive_derive-48e981e99a89189d.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-009702cafa55a770.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-c824f6c6e9270563.so --extern gcd=/opt/rustwide/target/debug/deps/libgcd-8a2d1cae68fb68dd.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e5549dd9882595b3.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-992fe5da51c79b5a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3e8adc838054863b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad67a126fc29a526.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2d6141057d88a59c128365cee699c4af5fb336ac6a057180056c8358c1338574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6141057d88a59c128365cee699c4af5fb336ac6a057180056c8358c1338574", kill_on_drop: false }`
[INFO] [stdout] 2d6141057d88a59c128365cee699c4af5fb336ac6a057180056c8358c1338574