[INFO] fetching crate prefixopt_derive 0.4.0...
[INFO] documenting prefixopt_derive-0.4.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate prefixopt_derive 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate prefixopt_derive 0.4.0 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 prefixopt_derive 0.4.0
[INFO] finished tweaking crates.io crate prefixopt_derive 0.4.0
[INFO] tweaked toml for crates.io crate prefixopt_derive 0.4.0 written to /workspace/builds/worker-5-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]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v0.2.0
[INFO] [stderr]   Downloaded map_in_place v0.1.0
[INFO] [stderr]   Downloaded prefixopt v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bd7b676bc7794265fb39fdcb29825fbfebd7fc5e0b779773b9b41868f703c5bf
[INFO] running `Command { std: "docker" "start" "-a" "bd7b676bc7794265fb39fdcb29825fbfebd7fc5e0b779773b9b41868f703c5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd7b676bc7794265fb39fdcb29825fbfebd7fc5e0b779773b9b41868f703c5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7b676bc7794265fb39fdcb29825fbfebd7fc5e0b779773b9b41868f703c5bf", kill_on_drop: false }`
[INFO] [stdout] bd7b676bc7794265fb39fdcb29825fbfebd7fc5e0b779773b9b41868f703c5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c777a65daba26355a96d799d70f4b8da2789aa4f20d7db702bd30fd454a73b21
[INFO] running `Command { std: "docker" "start" "-a" "c777a65daba26355a96d799d70f4b8da2789aa4f20d7db702bd30fd454a73b21", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking scopeguard v0.2.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling map_in_place v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking prefixopt v0.4.0
[INFO] [stderr]  Documenting prefixopt_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling prefixopt_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/enum_data.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|id| id as &::std::fmt::Display)
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|id| id as &dyn (::std::fmt::Display))
[INFO] [stdout]    |                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "c777a65daba26355a96d799d70f4b8da2789aa4f20d7db702bd30fd454a73b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c777a65daba26355a96d799d70f4b8da2789aa4f20d7db702bd30fd454a73b21", kill_on_drop: false }`
[INFO] [stdout] c777a65daba26355a96d799d70f4b8da2789aa4f20d7db702bd30fd454a73b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ef183e417c05e9819790d185504b862c19dab30dcc9d2951c3a53ccab66384
[INFO] running `Command { std: "docker" "start" "-a" "f4ef183e417c05e9819790d185504b862c19dab30dcc9d2951c3a53ccab66384", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking scopeguard v0.2.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking map_in_place v0.1.0
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking prefixopt v0.4.0
[INFO] [stderr]  Documenting prefixopt_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "f4ef183e417c05e9819790d185504b862c19dab30dcc9d2951c3a53ccab66384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ef183e417c05e9819790d185504b862c19dab30dcc9d2951c3a53ccab66384", kill_on_drop: false }`
[INFO] [stdout] f4ef183e417c05e9819790d185504b862c19dab30dcc9d2951c3a53ccab66384
