[INFO] fetching crate auto-enum 0.2.0-alpha1...
[INFO] testing auto-enum-0.2.0-alpha1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate auto-enum 0.2.0-alpha1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate auto-enum 0.2.0-alpha1
[INFO] finished tweaking crates.io crate auto-enum 0.2.0-alpha1
[INFO] tweaked toml for crates.io crate auto-enum 0.2.0-alpha1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate auto-enum 0.2.0-alpha1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.103)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.42)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded checked-enum v0.1.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecc6c790755215259abcaf2f934824773fe52b2cb299fa2c33cb11cd0b58c73b
[INFO] running `Command { std: "docker" "start" "-a" "ecc6c790755215259abcaf2f934824773fe52b2cb299fa2c33cb11cd0b58c73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc6c790755215259abcaf2f934824773fe52b2cb299fa2c33cb11cd0b58c73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc6c790755215259abcaf2f934824773fe52b2cb299fa2c33cb11cd0b58c73b", kill_on_drop: false }`
[INFO] [stdout] ecc6c790755215259abcaf2f934824773fe52b2cb299fa2c33cb11cd0b58c73b
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f39a25f7bfa3dae8823a75bd44c64139e5bd7cd831da3724f9b809ae4bf7ed35
[INFO] running `Command { std: "docker" "start" "-a" "f39a25f7bfa3dae8823a75bd44c64139e5bd7cd831da3724f9b809ae4bf7ed35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling auto-enum v0.2.0-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/enum_flags.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stdout]    |                                               ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stdout] 33 +     let mask = flags.iter().fold(0u64, |a, f| a | f.disc.value() );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "f39a25f7bfa3dae8823a75bd44c64139e5bd7cd831da3724f9b809ae4bf7ed35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39a25f7bfa3dae8823a75bd44c64139e5bd7cd831da3724f9b809ae4bf7ed35", kill_on_drop: false }`
[INFO] [stdout] f39a25f7bfa3dae8823a75bd44c64139e5bd7cd831da3724f9b809ae4bf7ed35
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e8b9548bcb87ef06eb7c0657035263395a388a96a9a69442ba8b1bfb42f532f
[INFO] running `Command { std: "docker" "start" "-a" "1e8b9548bcb87ef06eb7c0657035263395a388a96a9a69442ba8b1bfb42f532f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling checked-enum v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling auto-enum v0.2.0-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/enum_flags.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stdout]    |                                               ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stdout] 33 +     let mask = flags.iter().fold(0u64, |a, f| a | f.disc.value() );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/enum_flags.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stdout]    |                                               ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stdout] 33 +     let mask = flags.iter().fold(0u64, |a, f| a | f.disc.value() );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `Command { std: "docker" "inspect" "1e8b9548bcb87ef06eb7c0657035263395a388a96a9a69442ba8b1bfb42f532f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8b9548bcb87ef06eb7c0657035263395a388a96a9a69442ba8b1bfb42f532f", kill_on_drop: false }`
[INFO] [stdout] 1e8b9548bcb87ef06eb7c0657035263395a388a96a9a69442ba8b1bfb42f532f
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52db3e271b54a93d38042e559547f7c6d610af79fbdcbcc084fb64af0eeae34d
[INFO] running `Command { std: "docker" "start" "-a" "52db3e271b54a93d38042e559547f7c6d610af79fbdcbcc084fb64af0eeae34d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/enum_flags.rs:33:47
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stderr]    |                                               ^                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 33 -     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stderr] 33 +     let mask = flags.iter().fold(0u64, |a, f| a | f.disc.value() );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `auto-enum` (lib) generated 1 warning (run `cargo fix --lib -p auto-enum` to apply 1 suggestion)
[INFO] [stderr] warning: `auto-enum` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/auto_enum-8e3e80fce6ce6acb)
[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] [stderr]    Doc-tests auto_enum
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/enum_flags.rs:33:47
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stderr]    |                                               ^                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 33 -     let mask = flags.iter().fold(0u64, |a, f| (a | f.disc.value()));
[INFO] [stderr] 33 +     let mask = flags.iter().fold(0u64, |a, f| a | f.disc.value() );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - auto_enum (line 71) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - enum_flags (line 110) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52db3e271b54a93d38042e559547f7c6d610af79fbdcbcc084fb64af0eeae34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52db3e271b54a93d38042e559547f7c6d610af79fbdcbcc084fb64af0eeae34d", kill_on_drop: false }`
[INFO] [stdout] 52db3e271b54a93d38042e559547f7c6d610af79fbdcbcc084fb64af0eeae34d