[INFO] fetching crate ouroboros_macro 0.18.5...
[INFO] testing ouroboros_macro-0.18.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ouroboros_macro 0.18.5 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ouroboros_macro 0.18.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87fd3d1e75a6dda61720a1af16eb3e568fa7bfb63c6e24f0023d3eabf137385e
[INFO] running `Command { std: "docker" "start" "-a" "87fd3d1e75a6dda61720a1af16eb3e568fa7bfb63c6e24f0023d3eabf137385e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87fd3d1e75a6dda61720a1af16eb3e568fa7bfb63c6e24f0023d3eabf137385e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87fd3d1e75a6dda61720a1af16eb3e568fa7bfb63c6e24f0023d3eabf137385e", kill_on_drop: false }`
[INFO] [stdout] 87fd3d1e75a6dda61720a1af16eb3e568fa7bfb63c6e24f0023d3eabf137385e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a178b4cea2acbf455d01bf28001108e86cdc94b9186869ecbdd19958e9b9b0b
[INFO] running `Command { std: "docker" "start" "-a" "0a178b4cea2acbf455d01bf28001108e86cdc94b9186869ecbdd19958e9b9b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[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)]` 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 2.72s
[INFO] running `Command { std: "docker" "inspect" "0a178b4cea2acbf455d01bf28001108e86cdc94b9186869ecbdd19958e9b9b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a178b4cea2acbf455d01bf28001108e86cdc94b9186869ecbdd19958e9b9b0b", kill_on_drop: false }`
[INFO] [stdout] 0a178b4cea2acbf455d01bf28001108e86cdc94b9186869ecbdd19958e9b9b0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2a8c52821fc2e49062941c7bee5abdbf94796000fbe41fd577801c0caeeb17c
[INFO] running `Command { std: "docker" "start" "-a" "e2a8c52821fc2e49062941c7bee5abdbf94796000fbe41fd577801c0caeeb17c", 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)]` 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)]` 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 1.87s
[INFO] running `Command { std: "docker" "inspect" "e2a8c52821fc2e49062941c7bee5abdbf94796000fbe41fd577801c0caeeb17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a8c52821fc2e49062941c7bee5abdbf94796000fbe41fd577801c0caeeb17c", kill_on_drop: false }`
[INFO] [stdout] e2a8c52821fc2e49062941c7bee5abdbf94796000fbe41fd577801c0caeeb17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ff6de3b2af206c29a244c1c9e0c2d30fed85e16b54a7a9504c696d9ccd1a459
[INFO] running `Command { std: "docker" "start" "-a" "9ff6de3b2af206c29a244c1c9e0c2d30fed85e16b54a7a9504c696d9ccd1a459", kill_on_drop: false }`
[INFO] [stderr] warning: enum `ProcessingError` is never used
[INFO] [stderr]  --> src/generate/with_each.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum ProcessingError {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `attributes` is never read
[INFO] [stderr]   --> src/info_structures.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub struct StructInfo {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 77 |     pub attributes: Vec<Attribute>,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StructInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `ouroboros_macro` (lib) generated 2 warnings
[INFO] [stderr] warning: `ouroboros_macro` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ouroboros_macro-04ce1a81147fef4f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ouroboros_macro
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ff6de3b2af206c29a244c1c9e0c2d30fed85e16b54a7a9504c696d9ccd1a459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff6de3b2af206c29a244c1c9e0c2d30fed85e16b54a7a9504c696d9ccd1a459", kill_on_drop: false }`
[INFO] [stdout] 9ff6de3b2af206c29a244c1c9e0c2d30fed85e16b54a7a9504c696d9ccd1a459