[INFO] cloning repository https://github.com/AleCandido/AoC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AleCandido/AoC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleCandido%2FAoC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleCandido%2FAoC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 692b347134cac2ab3d05930696b193f18a372373
[INFO] documenting AleCandido/AoC 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%2FAleCandido%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/AleCandido/AoC 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/AleCandido/AoC
[INFO] finished tweaking git repo https://github.com/AleCandido/AoC
[INFO] tweaked toml for git repo https://github.com/AleCandido/AoC written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/AleCandido/AoC 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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] [stdout] 6766b0e5d02bbf5b29568b89c1ed37721e60550bcec5b1eadc0630fd75d0d246
[INFO] running `Command { std: "docker" "start" "-a" "6766b0e5d02bbf5b29568b89c1ed37721e60550bcec5b1eadc0630fd75d0d246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6766b0e5d02bbf5b29568b89c1ed37721e60550bcec5b1eadc0630fd75d0d246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6766b0e5d02bbf5b29568b89c1ed37721e60550bcec5b1eadc0630fd75d0d246", kill_on_drop: false }`
[INFO] [stdout] 6766b0e5d02bbf5b29568b89c1ed37721e60550bcec5b1eadc0630fd75d0d246
[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" "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] [stdout] 67f5bc3c1989355c2f567e14472d87f945da12c42f72d94a3b3789a3d78cb838
[INFO] running `Command { std: "docker" "start" "-a" "67f5bc3c1989355c2f567e14472d87f945da12c42f72d94a3b3789a3d78cb838", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling openssl v0.10.31
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]  Documenting xmas2019 v0.1.0 (/opt/rustwide/workdir/xmas2019)
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling openssl-sys v0.9.59
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tui v0.13.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[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 h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.9
[INFO] [stderr]     Checking aocinput v0.1.0 (/opt/rustwide/workdir/aocinput)
[INFO] [stderr]  Documenting aocinput v0.1.0 (/opt/rustwide/workdir/aocinput)
[INFO] [stderr]  Documenting xmas2020 v0.1.0 (/opt/rustwide/workdir/xmas2020)
[INFO] [stderr] error: could not document `aocinput`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aocinput aocinput/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f735e1a9d9ea85d0 -L dependency=/opt/rustwide/target/debug/deps --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-7831047e743a60bc.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-8a63bde659d570e0.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 `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex7_1y20 xmas2020/src/bin/ex7_1y20.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=7c0e5445020f9118 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex11_2y20 xmas2020/src/bin/ex11_2y20.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=9b073f6ade017be7 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex8_1y20 xmas2020/src/bin/ex8_1y20.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=c964762628cc41a6 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex9_2y20 xmas2020/src/bin/ex9_2y20.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=21e769e34f0cecdd -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex9_1y20 xmas2020/src/bin/ex9_1y20.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=8931e4b4018bf568 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex6_1y20 xmas2020/src/bin/ex6_1y20.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=bbb6b208626b14e5 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name xmas2020 xmas2020/src/main.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=6e4fbef9dbf99fae -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex11_1y20 xmas2020/src/bin/ex11_1y20.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=3eeae34360b2d5ca -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex15_1y20 xmas2020/src/bin/ex15_1y20.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=5de1df6c42a091f9 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex3_2y20 xmas2020/src/bin/ex3_2y20.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=9df66f94e1d0f985 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex10_2y20 xmas2020/src/bin/ex10_2y20.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=fc6fce14cbf304a2 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex10_1y20 xmas2020/src/bin/ex10_1y20.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=14a461ebbd17b245 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex4_2y20 xmas2020/src/bin/ex4_2y20.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=587b510f3c22cb3f -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex4_1y20 xmas2020/src/bin/ex4_1y20.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=e280330e19967209 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex15_2y20 xmas2020/src/bin/ex15_2y20.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=3346156886e29556 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex1_2y20 xmas2020/src/bin/ex1_2y20.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=180edc702c4e9696 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex1_1y20 xmas2020/src/bin/ex1_1y20.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=43288070ba13422c -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex13_2y20 xmas2020/src/bin/ex13_2y20.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=8c402b0c41f732e6 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex13_1y20 xmas2020/src/bin/ex13_1y20.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=e2b05123408f9f6c -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex6_2y20 xmas2020/src/bin/ex6_2y20.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=259e9e695566d40c -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex16_1y20 xmas2020/src/bin/ex16_1y20.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=6f55e292cddd592e -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex7_2y20 xmas2020/src/bin/ex7_2y20.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=e7d9d785e3b50fd9 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex16_2y20 xmas2020/src/bin/ex16_2y20.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=572813ab7c652631 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `xmas2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ex12_2y20 xmas2020/src/bin/ex12_2y20.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=5b56bdc8ad236431 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-f735e1a9d9ea85d0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-3f3f202b9713fdc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-80eac8c6a40ca34a.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-1068659284404da7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "67f5bc3c1989355c2f567e14472d87f945da12c42f72d94a3b3789a3d78cb838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f5bc3c1989355c2f567e14472d87f945da12c42f72d94a3b3789a3d78cb838", kill_on_drop: false }`
[INFO] [stdout] 67f5bc3c1989355c2f567e14472d87f945da12c42f72d94a3b3789a3d78cb838