[INFO] cloning repository https://github.com/fornwall/advent-of-code-2019-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fornwall/advent-of-code-2019-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffornwall%2Fadvent-of-code-2019-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffornwall%2Fadvent-of-code-2019-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 722d0dece6a41f70cacca7c050e02b8fcb01a498
[INFO] documenting fornwall/advent-of-code-2019-rs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffornwall%2Fadvent-of-code-2019-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fornwall/advent-of-code-2019-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/fornwall/advent-of-code-2019-rs
[INFO] finished tweaking git repo https://github.com/fornwall/advent-of-code-2019-rs
[INFO] tweaked toml for git repo https://github.com/fornwall/advent-of-code-2019-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-build v0.4.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] d90322b88a25ce950c38f39f2fd128b625a9e4882c1ae46e8c769b53e28deac4
[INFO] running `Command { std: "docker" "start" "-a" "d90322b88a25ce950c38f39f2fd128b625a9e4882c1ae46e8c769b53e28deac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90322b88a25ce950c38f39f2fd128b625a9e4882c1ae46e8c769b53e28deac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90322b88a25ce950c38f39f2fd128b625a9e4882c1ae46e8c769b53e28deac4", kill_on_drop: false }`
[INFO] [stdout] d90322b88a25ce950c38f39f2fd128b625a9e4882c1ae46e8c769b53e28deac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] fafe334497c4290ab102da648f54d2d0adce73c41c8c46228136b3aac8d0121a
[INFO] running `Command { std: "docker" "start" "-a" "fafe334497c4290ab102da648f54d2d0adce73c41c8c46228136b3aac8d0121a", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `advent-of-code` in package `advent-of-code v2019.12.354 (/opt/rustwide/workdir/crates/core)` has the same output filename as the lib target `advent_of_code` in package `advent-of-code v2019.12.354 (/opt/rustwide/workdir/crates/core)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/advent_of_code/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.55.0-beta (1f76a218b 2021-07-29) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "advent-of-code", version: "2019.12.354", source: "/opt/rustwide/workdir/crates/core" }, ..: ".." }, target: TargetInner { name: "advent-of-code", benched: false, doc: true, ..: with_path("/opt/rustwide/workdir/crates/core/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 3449961688825616229 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "advent-of-code", version: "2019.12.354", source: "/opt/rustwide/workdir/crates/core" }, ..: ".." }, target: TargetInner { benched: false, ..: lib_target("advent_of_code", ["lib"], "/opt/rustwide/workdir/crates/core/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 2202906307356721367 }
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.16
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[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking advent-of-code v2019.12.354 (/opt/rustwide/workdir/crates/core)
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling honggfuzz v0.5.54
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking arbitrary v1.0.1
[INFO] [stderr]  Documenting advent-of-code v2019.12.354 (/opt/rustwide/workdir/crates/core)
[INFO] [stderr]  Documenting advent-of-code-fuzzing-libfuzzer-placeholder v1.0.0 (/opt/rustwide/workdir/crates/fuzzing-libfuzzer)
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stdout] warning: unresolved link to `i`
[INFO] [stdout]   --> crates/core/src/year2020/day13.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 | ///   remainders[i] == T % divisors[i]
[INFO] [stdout]    |                  ^ no item named `i` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `i`
[INFO] [stdout]   --> crates/core/src/year2020/day13.rs:70:37
[INFO] [stdout]    |
[INFO] [stdout] 70 | ///   remainders[i] == T % divisors[i]
[INFO] [stdout]    |                                     ^ no item named `i` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> crates/core/src/common/md5.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! NOTE: Inlined (and slightly modified) from https://github.com/stainless-steel/md5
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/stainless-steel/md5>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> crates/core/src/mod_exp.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | /// From https://docs.rs/mod_exp/1.0.1/mod_exp, specialised to i128.
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://docs.rs/mod_exp/1.0.1/mod_exp>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> crates/core/src/year2017/day11.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// Using double-height coordinates - see https://www.redblobgames.com/grids/hexagons/
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.redblobgames.com/grids/hexagons/>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> crates/core/src/year2018/day11.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// See https://en.wikipedia.org/wiki/Summed-area_table
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Summed-area_table>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> crates/core/src/year2018/day23.rs:249:7
[INFO] [stdout]     |
[INFO] [stdout] 249 | /// - https://en.wikipedia.org/wiki/Octree
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Octree>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> crates/core/src/year2020/day13.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// See https://en.wikipedia.org/wiki/Extended_Euclidean_algorithm
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Extended_Euclidean_algorithm>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> crates/core/src/year2020/day13.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// and https://cp-algorithms.com/algebra/extended-euclid-algorithm.html#toc-tgt-0
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://cp-algorithms.com/algebra/extended-euclid-algorithm.html#toc-tgt-0>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> crates/core/src/year2020/day13.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /// See https://en.wikipedia.org/wiki/Chinese_remainder_theorem
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Chinese_remainder_theorem>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> crates/core/src/year2020/day13.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | /// and https://www.youtube.com/watch?v=ru7mWZJlRQg.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.youtube.com/watch?v=ru7mWZJlRQg.>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> crates/core/src/year2020/day24.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | /// Using double-width coordinates - see https://www.redblobgames.com/grids/hexagons/
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.redblobgames.com/grids/hexagons/>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> crates/core/src/year2020/day25.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// See https://en.wikipedia.org/wiki/Baby-step_giant-step
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Baby-step_giant-step>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]  Documenting advent-of-code-fuzzing-hfuzz v1.0.0 (/opt/rustwide/workdir/crates/fuzzing-hfuzz)
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.75
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.75
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking js-sys v0.3.52
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]    Compiling advent-of-code-grpc-server v2019.12.354 (/opt/rustwide/workdir/crates/grpc-server)
[INFO] [stderr]  Documenting advent-of-code-wasm v2019.12.354 (/opt/rustwide/workdir/crates/wasm)
[INFO] [stderr] error: failed to run custom build command for `advent-of-code-grpc-server v2019.12.354 (/opt/rustwide/workdir/crates/grpc-server)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/advent-of-code-grpc-server-e774eff20e012ead/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-2021-08-01-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain beta-2021-08-01-x86_64-unknown-linux-gnu`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fafe334497c4290ab102da648f54d2d0adce73c41c8c46228136b3aac8d0121a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafe334497c4290ab102da648f54d2d0adce73c41c8c46228136b3aac8d0121a", kill_on_drop: false }`
[INFO] [stdout] fafe334497c4290ab102da648f54d2d0adce73c41c8c46228136b3aac8d0121a
