[INFO] cloning repository https://github.com/mattscamp/neovim-serenade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattscamp/neovim-serenade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattscamp%2Fneovim-serenade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattscamp%2Fneovim-serenade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d40b7763b901cc4b95649da5ae836ab89c1aff4
[INFO] documenting mattscamp/neovim-serenade 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%2Fmattscamp%2Fneovim-serenade" "/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/mattscamp/neovim-serenade 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/mattscamp/neovim-serenade
[INFO] finished tweaking git repo https://github.com/mattscamp/neovim-serenade
[INFO] tweaked toml for git repo https://github.com/mattscamp/neovim-serenade written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mattscamp/neovim-serenade 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-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] [stdout] 66b69eb3930f3fb691ac0ecd4aae8ce8d8a4cc216507422aea8b7caee58f1401
[INFO] running `Command { std: "docker" "start" "-a" "66b69eb3930f3fb691ac0ecd4aae8ce8d8a4cc216507422aea8b7caee58f1401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b69eb3930f3fb691ac0ecd4aae8ce8d8a4cc216507422aea8b7caee58f1401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b69eb3930f3fb691ac0ecd4aae8ce8d8a4cc216507422aea8b7caee58f1401", kill_on_drop: false }`
[INFO] [stdout] 66b69eb3930f3fb691ac0ecd4aae8ce8d8a4cc216507422aea8b7caee58f1401
[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] [stdout] 327ccaa18b513e897e6a896965bcf925d217a40e3981683833ce86081da20b8f
[INFO] running `Command { std: "docker" "start" "-a" "327ccaa18b513e897e6a896965bcf925d217a40e3981683833ce86081da20b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking rmpv v0.4.7
[INFO] [stderr]     Checking tungstenite v0.15.0
[INFO] [stderr]     Checking neovim-lib v0.6.0 (https://github.com/mattscamp/neovim-lib#77c1702a)
[INFO] [stderr]     Checking log4rs v1.0.0
[INFO] [stderr]  Documenting neovim-serenade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `unwrap`
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate unwrap;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `unwrap` in this scope
[INFO] [stdout]    --> src/serenade.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     unwrap!(nvim.create_namespace("Serenade"))
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `unwrap` is imported here, but it is an unresolved item, not a macro
[INFO] [stdout]    --> src/main.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate unwrap;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `neovim-serenade`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name neovim_serenade 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=a88893f6b0cec787 -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-18cfe87c897ac193.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-74f2e00a46ec45ad.rmeta --extern neovim_lib=/opt/rustwide/target/debug/deps/libneovim_lib-9ab022cdce1906c0.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6e14a1754fa80f08.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2d23c6432a84cdba.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0ed7f3e1c4f5a8c9.rmeta --extern tungstenite=/opt/rustwide/target/debug/deps/libtungstenite-8e5cbdabca4c8428.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-64c4580d19afcf4b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "327ccaa18b513e897e6a896965bcf925d217a40e3981683833ce86081da20b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327ccaa18b513e897e6a896965bcf925d217a40e3981683833ce86081da20b8f", kill_on_drop: false }`
[INFO] [stdout] 327ccaa18b513e897e6a896965bcf925d217a40e3981683833ce86081da20b8f