[INFO] cloning repository https://github.com/first-rust-competition/nt4-mvp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/first-rust-competition/nt4-mvp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fnt4-mvp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirst-rust-competition%2Fnt4-mvp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10c850a46419e575927b32866fd2bf505dc52211
[INFO] documenting first-rust-competition/nt4-mvp 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%2Ffirst-rust-competition%2Fnt4-mvp" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/first-rust-competition/nt4-mvp 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/first-rust-competition/nt4-mvp
[INFO] finished tweaking git repo https://github.com/first-rust-competition/nt4-mvp
[INFO] tweaked toml for git repo https://github.com/first-rust-competition/nt4-mvp written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/first-rust-competition/nt4-mvp 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 559d54cd7be02fa8c8a33c46304f2ee4a21f004746b11784722597b39beab359
[INFO] running `Command { std: "docker" "start" "-a" "559d54cd7be02fa8c8a33c46304f2ee4a21f004746b11784722597b39beab359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "559d54cd7be02fa8c8a33c46304f2ee4a21f004746b11784722597b39beab359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559d54cd7be02fa8c8a33c46304f2ee4a21f004746b11784722597b39beab359", kill_on_drop: false }`
[INFO] [stdout] 559d54cd7be02fa8c8a33c46304f2ee4a21f004746b11784722597b39beab359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 60aaecb28f4796bc0d9b35f10bcdd8cba8e38def83c7ce2c18820cfbfb5ec3e4
[INFO] running `Command { std: "docker" "start" "-a" "60aaecb28f4796bc0d9b35f10bcdd8cba8e38def83c7ce2c18820cfbfb5ec3e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]  Documenting client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking async-mutex v1.3.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking futures-lite v0.1.11
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[INFO] [stderr]     Checking kv-log-macro v1.0.7
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking polling v0.1.9
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rmpv v0.4.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]     Checking async-tls v0.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-tls v0.9.0
[INFO] [stderr]     Checking async-tungstenite v0.8.0
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking proto v0.1.0 (/opt/rustwide/workdir/proto)
[INFO] [stderr]  Documenting proto v0.1.0 (/opt/rustwide/workdir/proto)
[INFO] [stdout] warning: unused import: `Integer`
[INFO] [stdout]  --> proto/src/ext.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rmpv::{Integer, Value};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `gen_funcs`
[INFO] [stdout]  --> proto/src/ext.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | macro_rules! gen_funcs {
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.96s
[INFO] running `Command { std: "docker" "inspect" "60aaecb28f4796bc0d9b35f10bcdd8cba8e38def83c7ce2c18820cfbfb5ec3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60aaecb28f4796bc0d9b35f10bcdd8cba8e38def83c7ce2c18820cfbfb5ec3e4", kill_on_drop: false }`
[INFO] [stdout] 60aaecb28f4796bc0d9b35f10bcdd8cba8e38def83c7ce2c18820cfbfb5ec3e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 89a9f4a5b8abc1392d06ad47eb168c0c9f273d7215314be97ddb636159923956
[INFO] running `Command { std: "docker" "start" "-a" "89a9f4a5b8abc1392d06ad47eb168c0c9f273d7215314be97ddb636159923956", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "89a9f4a5b8abc1392d06ad47eb168c0c9f273d7215314be97ddb636159923956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a9f4a5b8abc1392d06ad47eb168c0c9f273d7215314be97ddb636159923956", kill_on_drop: false }`
[INFO] [stdout] 89a9f4a5b8abc1392d06ad47eb168c0c9f273d7215314be97ddb636159923956