[INFO] fetching crate enum-utility-macros 0.1.0...
[INFO] testing enum-utility-macros-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate enum-utility-macros 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate enum-utility-macros 0.1.0
[INFO] finished tweaking crates.io crate enum-utility-macros 0.1.0
[INFO] tweaked toml for crates.io crate enum-utility-macros 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum-utility-macros 0.1.0 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 4 packages to latest compatible versions
[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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 96f33f87f80879de3f69343f1a9a3c55f83f35e17ede7ecffa72819753b3be9e
[INFO] running `Command { std: "docker" "start" "-a" "96f33f87f80879de3f69343f1a9a3c55f83f35e17ede7ecffa72819753b3be9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96f33f87f80879de3f69343f1a9a3c55f83f35e17ede7ecffa72819753b3be9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f33f87f80879de3f69343f1a9a3c55f83f35e17ede7ecffa72819753b3be9e", kill_on_drop: false }`
[INFO] [stdout] 96f33f87f80879de3f69343f1a9a3c55f83f35e17ede7ecffa72819753b3be9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 02789f09e90b9d84ace736ef9738dccecce64bfa531c35d058e12ee9d3a7bb71
[INFO] running `Command { std: "docker" "start" "-a" "02789f09e90b9d84ace736ef9738dccecce64bfa531c35d058e12ee9d3a7bb71", kill_on_drop: false }`
[INFO] [stderr]    Compiling enum-utility-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "02789f09e90b9d84ace736ef9738dccecce64bfa531c35d058e12ee9d3a7bb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02789f09e90b9d84ace736ef9738dccecce64bfa531c35d058e12ee9d3a7bb71", kill_on_drop: false }`
[INFO] [stdout] 02789f09e90b9d84ace736ef9738dccecce64bfa531c35d058e12ee9d3a7bb71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 12d906e5128802f3b95f7e6b4685cb3caec4202baa2006d337ad458669986633
[INFO] running `Command { std: "docker" "start" "-a" "12d906e5128802f3b95f7e6b4685cb3caec4202baa2006d337ad458669986633", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling enum-utility-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> tests/unnamed_enum_attributes.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     format!("{m1:?} {r1:?}");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let _ = format!("{m1:?} {r1:?}");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> tests/unnamed_enum_attributes.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     format!("{g1:?}");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = format!("{g1:?}");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "12d906e5128802f3b95f7e6b4685cb3caec4202baa2006d337ad458669986633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d906e5128802f3b95f7e6b4685cb3caec4202baa2006d337ad458669986633", kill_on_drop: false }`
[INFO] [stdout] 12d906e5128802f3b95f7e6b4685cb3caec4202baa2006d337ad458669986633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 98c4b2af953b61c7210fd204cea120c54ff8adc41131f46e0bf96b1b94f8cac0
[INFO] running `Command { std: "docker" "start" "-a" "98c4b2af953b61c7210fd204cea120c54ff8adc41131f46e0bf96b1b94f8cac0", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]   --> tests/unnamed_enum_attributes.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     format!("{m1:?} {r1:?}");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let _ = format!("{m1:?} {r1:?}");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]   --> tests/unnamed_enum_attributes.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     format!("{g1:?}");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let _ = format!("{g1:?}");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `enum-utility-macros` (test "unnamed_enum_attributes") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/enum_utility_macros-97fd19c1c4ace7d9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/named_enum.rs (/opt/rustwide/target/debug/deps/named_enum-1cef3a82933d199f)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/named_multifield.rs (/opt/rustwide/target/debug/deps/named_multifield-d81ba76054f75b36)
[INFO] [stdout] test test_tag_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_tag_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unnamed_enum.rs (/opt/rustwide/target/debug/deps/unnamed_enum-5684871c465df560)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unnamed_enum_attributes.rs (/opt/rustwide/target/debug/deps/unnamed_enum_attributes-017712cc656e5ff1)
[INFO] [stdout] running 1 test
[INFO] [stdout] test unnamed_enum_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test unnamed_enum_attributes_test ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unnamed_generic_enum.rs (/opt/rustwide/target/debug/deps/unnamed_generic_enum-76282a2febdb8ff0)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_tag_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unnamed_multifields.rs (/opt/rustwide/target/debug/deps/unnamed_multifields-0236232f71ffa35c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_tag_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests enum_utility_macros
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 33) ... ignored
[INFO] [stdout] test src/lib.rs - (line 38) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98c4b2af953b61c7210fd204cea120c54ff8adc41131f46e0bf96b1b94f8cac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c4b2af953b61c7210fd204cea120c54ff8adc41131f46e0bf96b1b94f8cac0", kill_on_drop: false }`
[INFO] [stdout] 98c4b2af953b61c7210fd204cea120c54ff8adc41131f46e0bf96b1b94f8cac0