[INFO] fetching crate dessin-macros 0.8.21-pre...
[INFO] checking dessin-macros-0.8.21-pre against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate dessin-macros 0.8.21-pre into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate dessin-macros 0.8.21-pre on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dessin-macros 0.8.21-pre
[INFO] finished tweaking crates.io crate dessin-macros 0.8.21-pre
[INFO] tweaked toml for crates.io crate dessin-macros 0.8.21-pre written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85d6dbca560f0eefbe9dd197e14bdefc901bf858ecc993c7e87f184e5c49478b
[INFO] running `Command { std: "docker" "start" "-a" "85d6dbca560f0eefbe9dd197e14bdefc901bf858ecc993c7e87f184e5c49478b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d6dbca560f0eefbe9dd197e14bdefc901bf858ecc993c7e87f184e5c49478b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d6dbca560f0eefbe9dd197e14bdefc901bf858ecc993c7e87f184e5c49478b", kill_on_drop: false }`
[INFO] [stdout] 85d6dbca560f0eefbe9dd197e14bdefc901bf858ecc993c7e87f184e5c49478b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac33a2de8ffb9cd147dc1f3b63c503caeb81627b7a308cf36ed46617d894f3c2
[INFO] running `Command { std: "docker" "start" "-a" "ac33a2de8ffb9cd147dc1f3b63c503caeb81627b7a308cf36ed46617d894f3c2", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking dessin-macros v0.8.21-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn dessin(tokens: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn dessin2(tokens: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "ac33a2de8ffb9cd147dc1f3b63c503caeb81627b7a308cf36ed46617d894f3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac33a2de8ffb9cd147dc1f3b63c503caeb81627b7a308cf36ed46617d894f3c2", kill_on_drop: false }`
[INFO] [stdout] ac33a2de8ffb9cd147dc1f3b63c503caeb81627b7a308cf36ed46617d894f3c2