[INFO] fetching crate ouroboros_macro 0.18.4...
[INFO] checking ouroboros_macro-0.18.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ouroboros_macro 0.18.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ouroboros_macro 0.18.4 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 ouroboros_macro 0.18.4
[INFO] finished tweaking crates.io crate ouroboros_macro 0.18.4
[INFO] tweaked toml for crates.io crate ouroboros_macro 0.18.4 written to /workspace/builds/worker-3-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]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06a2a8335c546130963b22ab622c475bed95e4b30e697ec47015d6c7cecd8bfc
[INFO] running `Command { std: "docker" "start" "-a" "06a2a8335c546130963b22ab622c475bed95e4b30e697ec47015d6c7cecd8bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06a2a8335c546130963b22ab622c475bed95e4b30e697ec47015d6c7cecd8bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a2a8335c546130963b22ab622c475bed95e4b30e697ec47015d6c7cecd8bfc", kill_on_drop: false }`
[INFO] [stdout] 06a2a8335c546130963b22ab622c475bed95e4b30e697ec47015d6c7cecd8bfc
[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=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] 1790c278cf1c210265bc5cb04787daccb38bc311d09ffc7f68b5b9d99ec16719
[INFO] running `Command { std: "docker" "start" "-a" "1790c278cf1c210265bc5cb04787daccb38bc311d09ffc7f68b5b9d99ec16719", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking ouroboros_macro v0.18.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `ProcessingError` is never used
[INFO] [stdout]  --> src/generate/with_each.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum ProcessingError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attributes` is never read
[INFO] [stdout]   --> src/info_structures.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct StructInfo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub attributes: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StructInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ProcessingError` is never used
[INFO] [stdout]  --> src/generate/with_each.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum ProcessingError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attributes` is never read
[INFO] [stdout]   --> src/info_structures.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct StructInfo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub attributes: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StructInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "1790c278cf1c210265bc5cb04787daccb38bc311d09ffc7f68b5b9d99ec16719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1790c278cf1c210265bc5cb04787daccb38bc311d09ffc7f68b5b9d99ec16719", kill_on_drop: false }`
[INFO] [stdout] 1790c278cf1c210265bc5cb04787daccb38bc311d09ffc7f68b5b9d99ec16719