[INFO] fetching crate ouroboros_macro 0.18.5...
[INFO] building ouroboros_macro-0.18.5 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate ouroboros_macro 0.18.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ouroboros_macro 0.18.5
[INFO] finished tweaking crates.io crate ouroboros_macro 0.18.5
[INFO] tweaked toml for crates.io crate ouroboros_macro 0.18.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ouroboros_macro 0.18.5 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7997313ea3e7f0127651675d15cc654ab38e4dfdacba706be1e4f98af7cc0a2
[INFO] running `Command { std: "docker" "start" "-a" "a7997313ea3e7f0127651675d15cc654ab38e4dfdacba706be1e4f98af7cc0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7997313ea3e7f0127651675d15cc654ab38e4dfdacba706be1e4f98af7cc0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7997313ea3e7f0127651675d15cc654ab38e4dfdacba706be1e4f98af7cc0a2", kill_on_drop: false }`
[INFO] [stdout] a7997313ea3e7f0127651675d15cc654ab38e4dfdacba706be1e4f98af7cc0a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9efece69732d955bbf5f22b22dbe2ab1f589e43380b1a9aeaf49f6d87401a24
[INFO] running `Command { std: "docker" "start" "-a" "c9efece69732d955bbf5f22b22dbe2ab1f589e43380b1a9aeaf49f6d87401a24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling ouroboros_macro v0.18.5 (/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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "c9efece69732d955bbf5f22b22dbe2ab1f589e43380b1a9aeaf49f6d87401a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9efece69732d955bbf5f22b22dbe2ab1f589e43380b1a9aeaf49f6d87401a24", kill_on_drop: false }`
[INFO] [stdout] c9efece69732d955bbf5f22b22dbe2ab1f589e43380b1a9aeaf49f6d87401a24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f7d095a3222e6ea3f3a27599b7cf3b67aa198f66338b8b6c38fab139520e55
[INFO] running `Command { std: "docker" "start" "-a" "b9f7d095a3222e6ea3f3a27599b7cf3b67aa198f66338b8b6c38fab139520e55", kill_on_drop: false }`
[INFO] [stderr]    Compiling ouroboros_macro v0.18.5 (/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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "b9f7d095a3222e6ea3f3a27599b7cf3b67aa198f66338b8b6c38fab139520e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f7d095a3222e6ea3f3a27599b7cf3b67aa198f66338b8b6c38fab139520e55", kill_on_drop: false }`
[INFO] [stdout] b9f7d095a3222e6ea3f3a27599b7cf3b67aa198f66338b8b6c38fab139520e55