[INFO] fetching crate auto-enum 0.2.0-alpha1...
[INFO] checking auto-enum-0.2.0-alpha1 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate auto-enum 0.2.0-alpha1 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate auto-enum 0.2.0-alpha1 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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: v1.0.101)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.40)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a1feb7e6312dde42a2e9a769b4d352c5dee3d75bcca26f2c028ecc3bb7a0cea
[INFO] running `Command { std: "docker" "start" "-a" "0a1feb7e6312dde42a2e9a769b4d352c5dee3d75bcca26f2c028ecc3bb7a0cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a1feb7e6312dde42a2e9a769b4d352c5dee3d75bcca26f2c028ecc3bb7a0cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1feb7e6312dde42a2e9a769b4d352c5dee3d75bcca26f2c028ecc3bb7a0cea", kill_on_drop: false }`
[INFO] [stdout] 0a1feb7e6312dde42a2e9a769b4d352c5dee3d75bcca26f2c028ecc3bb7a0cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b428debb392009fbea691d1f9cf068f2ed648e458a3d1a21341035deae6e4ba
[INFO] running `Command { std: "docker" "start" "-a" "8b428debb392009fbea691d1f9cf068f2ed648e458a3d1a21341035deae6e4ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking checked-enum v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking 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)]` 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)]` 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)]` 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 7.22s
[INFO] running `Command { std: "docker" "inspect" "8b428debb392009fbea691d1f9cf068f2ed648e458a3d1a21341035deae6e4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b428debb392009fbea691d1f9cf068f2ed648e458a3d1a21341035deae6e4ba", kill_on_drop: false }`
[INFO] [stdout] 8b428debb392009fbea691d1f9cf068f2ed648e458a3d1a21341035deae6e4ba
