[INFO] fetching crate sync 0.1.0...
[INFO] checking sync-0.1.0 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate sync 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sync 0.1.0 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync 0.1.0
[INFO] finished tweaking crates.io crate sync 0.1.0
[INFO] tweaked toml for crates.io crate sync 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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] f7e16faa4ef4c2419b51ceaf1fb67c5d6aad50f7a5a77961e60401065f369bbf
[INFO] running `Command { std: "docker" "start" "-a" "f7e16faa4ef4c2419b51ceaf1fb67c5d6aad50f7a5a77961e60401065f369bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e16faa4ef4c2419b51ceaf1fb67c5d6aad50f7a5a77961e60401065f369bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e16faa4ef4c2419b51ceaf1fb67c5d6aad50f7a5a77961e60401065f369bbf", kill_on_drop: false }`
[INFO] [stdout] f7e16faa4ef4c2419b51ceaf1fb67c5d6aad50f7a5a77961e60401065f369bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2d07971e446a9b71f1d83e10a088549341620141d80fba6e3538d0bdaad72af
[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" "e2d07971e446a9b71f1d83e10a088549341620141d80fba6e3538d0bdaad72af", kill_on_drop: false }`
[INFO] [stderr]     Checking sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]  --> src/raw/mod.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     const new: Self;
[INFO] [stdout]   |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]   --> src/raw/spin.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const new: Self = Mutex(AtomicBool::new(false));
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]   --> src/raw/spin.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 |     const new: Self = RwLock(AtomicUsize::new(0));
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]  --> src/raw/mod.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     const new: Self;
[INFO] [stdout]   |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]   --> src/raw/spin.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const new: Self = Mutex(AtomicBool::new(false));
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `new` should have an upper case name
[INFO] [stdout]   --> src/raw/spin.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 |     const new: Self = RwLock(AtomicUsize::new(0));
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `NEW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e2d07971e446a9b71f1d83e10a088549341620141d80fba6e3538d0bdaad72af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d07971e446a9b71f1d83e10a088549341620141d80fba6e3538d0bdaad72af", kill_on_drop: false }`
[INFO] [stdout] e2d07971e446a9b71f1d83e10a088549341620141d80fba6e3538d0bdaad72af