[INFO] fetching crate utuntap 0.3.0...
[INFO] documenting utuntap-0.3.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate utuntap 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate utuntap 0.3.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utuntap 0.3.0
[INFO] finished tweaking crates.io crate utuntap 0.3.0
[INFO] tweaked toml for crates.io crate utuntap 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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 serial_test v0.7.0
[INFO] [stderr]   Downloaded serial_test_derive v0.7.0
[INFO] [stderr]   Downloaded etherparse v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99ae93d44531f255134a32e86353a725015119c835d3ebcc1b5ec9c3747dbeec
[INFO] running `Command { std: "docker" "start" "-a" "99ae93d44531f255134a32e86353a725015119c835d3ebcc1b5ec9c3747dbeec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99ae93d44531f255134a32e86353a725015119c835d3ebcc1b5ec9c3747dbeec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ae93d44531f255134a32e86353a725015119c835d3ebcc1b5ec9c3747dbeec", kill_on_drop: false }`
[INFO] [stdout] 99ae93d44531f255134a32e86353a725015119c835d3ebcc1b5ec9c3747dbeec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e953b357519f61139bdb7132fa3a1f0554f7b5a90f357305f9a0a3e53c011da
[INFO] running `Command { std: "docker" "start" "-a" "5e953b357519f61139bdb7132fa3a1f0554f7b5a90f357305f9a0a3e53c011da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]  Documenting utuntap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fmt`
[INFO] [stdout]   --> src/lib.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl fmt::Display for Mode {
[INFO] [stdout]    |      ^^^ use of undeclared crate or module `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fmt`
[INFO] [stdout]   --> src/lib.rs:19:55
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]    |                                                       ^^^ use of undeclared crate or module `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `utuntap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name utuntap src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e15e73d2a4a082bc -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-6f3f707741fc0a21.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-01b5b07ab61fa4b9.rmeta --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5e953b357519f61139bdb7132fa3a1f0554f7b5a90f357305f9a0a3e53c011da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e953b357519f61139bdb7132fa3a1f0554f7b5a90f357305f9a0a3e53c011da", kill_on_drop: false }`
[INFO] [stdout] 5e953b357519f61139bdb7132fa3a1f0554f7b5a90f357305f9a0a3e53c011da
