[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 1.61.0 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 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/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" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded reqwest v0.10.9
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.19
[INFO] [stderr]   Downloaded form_urlencoded v1.0.0
[INFO] [stderr]   Downloaded url v2.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.19
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded unicode-normalization v0.1.16
[INFO] [stderr]   Downloaded native-tls v0.2.6
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded openssl-sys v0.9.59
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded security-framework-sys v2.0.0
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded hyper v0.13.9
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] [stderr]   Downloaded tui v0.13.0
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded termion v1.5.5
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded hyper-tls v0.4.3
[INFO] [stderr]   Downloaded security-framework v2.0.0
[INFO] [stderr]   Downloaded tinyvec v1.1.0
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded openssl v0.10.31
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
[INFO] [stderr]   Downloaded tokio v0.2.24
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded tokio-tls v0.3.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.26
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 378f4e69ea7221e8c5c4c9777b212908a1df8112c62a518fe38db231794f8913
[INFO] running `Command { std: "docker" "start" "-a" "378f4e69ea7221e8c5c4c9777b212908a1df8112c62a518fe38db231794f8913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "378f4e69ea7221e8c5c4c9777b212908a1df8112c62a518fe38db231794f8913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378f4e69ea7221e8c5c4c9777b212908a1df8112c62a518fe38db231794f8913", kill_on_drop: false }`
[INFO] [stdout] 378f4e69ea7221e8c5c4c9777b212908a1df8112c62a518fe38db231794f8913
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d07bf295780c5ac6090bb2a1688749ebc667e79736f8d94367dcc4213ed54132
[INFO] running `Command { std: "docker" "start" "-a" "d07bf295780c5ac6090bb2a1688749ebc667e79736f8d94367dcc4213ed54132", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.31
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[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]     Checking itertools v0.9.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking want v0.3.0
[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 tracing v0.1.22
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.59
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[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]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tui v0.13.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking num-complex v0.3.1
[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 futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[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=7cdf625c534fed41 -L dependency=/opt/rustwide/target/debug/deps --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-0ef1be06aecb140f.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-eb449589eaaee117.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 ex14_2y20 xmas2020/src/bin/ex14_2y20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d5948544e5f2d902 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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_2y20 xmas2020/src/bin/ex8_2y20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c360abed2203467a -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 ex2_1y20 xmas2020/src/bin/ex2_1y20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=750faebaaa08fe49 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 ex5_1y20 xmas2020/src/bin/ex5_1y20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=84802e5a608ecfc5 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=fe1e984b68b71561 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=91a0b947d0d37298 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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_1y20 xmas2020/src/bin/ex3_1y20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1be986c362b2802a -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=89ee82c42514de9a -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=898670eb5ba0fa3b -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=60a7a71567dbce51 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=378966991ad09776 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=5291bea3212ea1f0 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=a8538ed140ffcc75 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=0c275c6d84ab3fe9 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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_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 -C metadata=810b101333fafe00 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=e98a6f12c686f985 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=ae6b194d9698f757 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=8942aa392e97b4e4 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=6e3ad2f4ad4fb5a0 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=305dcb6656308da2 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=a127758e2a468568 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=1feecbf2d5a89f49 -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=bacb25961d495a7b -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=c0e69664a74941bf -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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 -C metadata=4bc6f494a19dce1d -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.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_1y20 xmas2020/src/bin/ex12_1y20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=01c34668422d509b -L dependency=/opt/rustwide/target/debug/deps --extern aocinput=/opt/rustwide/target/debug/deps/libaocinput-7cdf625c534fed41.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a30ab522f77d1eb3.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-695d9801dd429714.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-89316cdb6f105ad9.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d07bf295780c5ac6090bb2a1688749ebc667e79736f8d94367dcc4213ed54132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07bf295780c5ac6090bb2a1688749ebc667e79736f8d94367dcc4213ed54132", kill_on_drop: false }`
[INFO] [stdout] d07bf295780c5ac6090bb2a1688749ebc667e79736f8d94367dcc4213ed54132