[INFO] fetching crate flags-macro 0.1.4...
[INFO] checking flags-macro-0.1.4 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate flags-macro 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flags-macro 0.1.4 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumflags_derive v0.4.1
[INFO] [stderr]   Downloaded enumflags v0.4.2
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", 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] fd9601af0b26c42dba25b4c3809d669595119d9738b32766c8a9ca9c220903ab
[INFO] running `Command { std: "docker" "start" "-a" "fd9601af0b26c42dba25b4c3809d669595119d9738b32766c8a9ca9c220903ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9601af0b26c42dba25b4c3809d669595119d9738b32766c8a9ca9c220903ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9601af0b26c42dba25b4c3809d669595119d9738b32766c8a9ca9c220903ab", kill_on_drop: false }`
[INFO] [stdout] fd9601af0b26c42dba25b4c3809d669595119d9738b32766c8a9ca9c220903ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] aa10b6a054f4b7c397f9f15403257e084414800129a99d03a19d67aca8c815d2
[INFO] running `Command { std: "docker" "start" "-a" "aa10b6a054f4b7c397f9f15403257e084414800129a99d03a19d67aca8c815d2", 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 5.10s
[INFO] running `Command { std: "docker" "inspect" "aa10b6a054f4b7c397f9f15403257e084414800129a99d03a19d67aca8c815d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa10b6a054f4b7c397f9f15403257e084414800129a99d03a19d67aca8c815d2", kill_on_drop: false }`
[INFO] [stdout] aa10b6a054f4b7c397f9f15403257e084414800129a99d03a19d67aca8c815d2