[INFO] cloning repository https://github.com/kalvatn/advent-of-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalvatn/advent-of-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalvatn%2Fadvent-of-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalvatn%2Fadvent-of-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cefe28d3bc4cadd0d67275402f73776a9a4f930d
[INFO] documenting kalvatn/advent-of-rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalvatn%2Fadvent-of-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kalvatn/advent-of-rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kalvatn/advent-of-rust
[INFO] finished tweaking git repo https://github.com/kalvatn/advent-of-rust
[INFO] tweaked toml for git repo https://github.com/kalvatn/advent-of-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kalvatn/advent-of-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56bc6676209c79bf9f4826e0675e617bda03558fffc6be6cbbb9f7a61e0acaa1
[INFO] running `Command { std: "docker" "start" "-a" "56bc6676209c79bf9f4826e0675e617bda03558fffc6be6cbbb9f7a61e0acaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56bc6676209c79bf9f4826e0675e617bda03558fffc6be6cbbb9f7a61e0acaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56bc6676209c79bf9f4826e0675e617bda03558fffc6be6cbbb9f7a61e0acaa1", kill_on_drop: false }`
[INFO] [stdout] 56bc6676209c79bf9f4826e0675e617bda03558fffc6be6cbbb9f7a61e0acaa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 581fd39599897c01436bf2492b1b94508cde6086123797bf2215e1355bf0d341
[INFO] running `Command { std: "docker" "start" "-a" "581fd39599897c01436bf2492b1b94508cde6086123797bf2215e1355bf0d341", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking primes v0.3.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking serde_scan v0.4.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.9
[INFO] [stderr]  Documenting advent-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking advent-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-of-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2015_07 src/bin/2015/07.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=0950b3013a674e50 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.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-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2015_06 src/bin/2015/06.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=9c1480c12ba04173 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2015_13 src/bin/2015/13.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=492dff322273b946 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2015_01 src/bin/2015/01.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=c955b73857b4c006 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2020_17 src/bin/2020/17.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=206db0edcd343779 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2015_02 src/bin/2015/02.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=46951b7a8129f6c2 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2020_08 src/bin/2020/08.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=6e89d3626d270686 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2020_16 src/bin/2020/16.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=5f0866dbc796c6cd -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2020_09 src/bin/2020/09.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=5c40b5e3567cfec6 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-75329ee5e65abd85.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3497f822d93fa4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-344a5d5e6a154a87.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-8a1947169ebd8909.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94093e4ec3042d13.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-38a13e53b571fe7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-706e431e0f4a77cf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2e8919ded14503ff.rmeta --extern serde_scan=/opt/rustwide/target/debug/deps/libserde_scan-cbc6e66cbbdaa68d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0dfc5fdd2d74e701.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "581fd39599897c01436bf2492b1b94508cde6086123797bf2215e1355bf0d341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581fd39599897c01436bf2492b1b94508cde6086123797bf2215e1355bf0d341", kill_on_drop: false }`
[INFO] [stdout] 581fd39599897c01436bf2492b1b94508cde6086123797bf2215e1355bf0d341