[INFO] fetching crate gv 0.0.0...
[INFO] checking gv-0.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate gv 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate gv 0.0.0
[INFO] finished tweaking crates.io crate gv 0.0.0
[INFO] tweaked toml for crates.io crate gv 0.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gv 0.0.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a1bcb5cda9fd08c2c81a81f765063cb49cbc49a898a62b0c8dc7cd78278ab24
[INFO] running `Command { std: "docker" "start" "-a" "1a1bcb5cda9fd08c2c81a81f765063cb49cbc49a898a62b0c8dc7cd78278ab24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1bcb5cda9fd08c2c81a81f765063cb49cbc49a898a62b0c8dc7cd78278ab24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1bcb5cda9fd08c2c81a81f765063cb49cbc49a898a62b0c8dc7cd78278ab24", kill_on_drop: false }`
[INFO] [stdout] 1a1bcb5cda9fd08c2c81a81f765063cb49cbc49a898a62b0c8dc7cd78278ab24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca692a64ad54f6928cace98f47481435a17bb188be77f512cd33d5bc0aca7572
[INFO] running `Command { std: "docker" "start" "-a" "ca692a64ad54f6928cace98f47481435a17bb188be77f512cd33d5bc0aca7572", kill_on_drop: false }`
[INFO] [stderr]     Checking gv v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for an enum
[INFO] [stdout]  --> src/errors.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Error {
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]  --> src/errors.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     UnknownError
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]  --> src/errors.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type Result<T> = std::result::Result<T, Error>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an enum
[INFO] [stdout]  --> src/errors.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Error {
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]  --> src/errors.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     UnknownError
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]  --> src/errors.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type Result<T> = std::result::Result<T, Error>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "ca692a64ad54f6928cace98f47481435a17bb188be77f512cd33d5bc0aca7572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca692a64ad54f6928cace98f47481435a17bb188be77f512cd33d5bc0aca7572", kill_on_drop: false }`
[INFO] [stdout] ca692a64ad54f6928cace98f47481435a17bb188be77f512cd33d5bc0aca7572