[INFO] fetching crate flags-macro 0.1.4...
[INFO] checking flags-macro-0.1.4 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate flags-macro 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate flags-macro 0.1.4 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flags-macro 0.1.4
[INFO] finished tweaking crates.io crate flags-macro 0.1.4
[INFO] tweaked toml for crates.io crate flags-macro 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7002b47b91b5d55913214907ab792159fbdd920b0ce234d153b95e31d632ec37
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7002b47b91b5d55913214907ab792159fbdd920b0ce234d153b95e31d632ec37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7002b47b91b5d55913214907ab792159fbdd920b0ce234d153b95e31d632ec37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7002b47b91b5d55913214907ab792159fbdd920b0ce234d153b95e31d632ec37", kill_on_drop: false }`
[INFO] [stdout] 7002b47b91b5d55913214907ab792159fbdd920b0ce234d153b95e31d632ec37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e72c47f7320f992fd52519dd4864a69d06b205b8baa4a83c72dc76dc52747d87
[INFO] running `Command { std: "docker" "start" "-a" "e72c47f7320f992fd52519dd4864a69d06b205b8baa4a83c72dc76dc52747d87", kill_on_drop: false }`
[INFO] [stderr]     Checking enumflags v0.4.2
[INFO] [stderr]     Checking flags-macro v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling enumflags_derive v0.4.1
[INFO] [stdout] warning: associated constant `Winged` should have an upper case name
[INFO] [stdout]   --> tests/test.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |             const Winged = 0b01;
[INFO] [stdout]    |                   ^^^^^^ help: convert the identifier to upper case: `WINGED`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `Horned` should have an upper case name
[INFO] [stdout]   --> tests/test.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |             const Horned = 0b10;
[INFO] [stdout]    |                   ^^^^^^ help: convert the identifier to upper case: `HORNED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `Winged` should have an upper case name
[INFO] [stdout]   --> tests/test.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |             const Winged = 0b01;
[INFO] [stdout]    |                   ^^^^^^ help: convert the identifier to upper case: `WINGED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "e72c47f7320f992fd52519dd4864a69d06b205b8baa4a83c72dc76dc52747d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72c47f7320f992fd52519dd4864a69d06b205b8baa4a83c72dc76dc52747d87", kill_on_drop: false }`
[INFO] [stdout] e72c47f7320f992fd52519dd4864a69d06b205b8baa4a83c72dc76dc52747d87