[INFO] fetching crate func_swap 0.1.0...
[INFO] checking func_swap-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate func_swap 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate func_swap 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate func_swap 0.1.0
[INFO] finished tweaking crates.io crate func_swap 0.1.0
[INFO] tweaked toml for crates.io crate func_swap 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 690b368e7fbb14d7d97d2456a7a4a25d6bbfbc82e982b128bd6ca50df77c47ef
[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" "690b368e7fbb14d7d97d2456a7a4a25d6bbfbc82e982b128bd6ca50df77c47ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690b368e7fbb14d7d97d2456a7a4a25d6bbfbc82e982b128bd6ca50df77c47ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690b368e7fbb14d7d97d2456a7a4a25d6bbfbc82e982b128bd6ca50df77c47ef", kill_on_drop: false }`
[INFO] [stdout] 690b368e7fbb14d7d97d2456a7a4a25d6bbfbc82e982b128bd6ca50df77c47ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b23efecff93bcfec1a3320d708d24cbe6da0832dda0fb73b153663e49152ff
[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" "e8b23efecff93bcfec1a3320d708d24cbe6da0832dda0fb73b153663e49152ff", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking func_swap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout] 19  | / macro_rules! modfunc {
[INFO] [stdout] 20  | |     ($STORE:ident,$FP:ident,$NAME:ident ($($name:ident:$args:ty),* ) => $ret:ty$body:block) => {
[INFO] [stdout] 21  | |         lazy_static! {
[INFO] [stdout] 22  | |             static ref $FP: ::std::sync::atomic::AtomicPtr<extern "Rust" fn($($args),*)->$ret> =
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |     };
[INFO] [stdout] 120 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | /     modfunc!(replace_add,IDC, add(x: u64, y: u64) => u64 {
[INFO] [stdout] 130 | |         x + y
[INFO] [stdout] 131 | |     });
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "e8b23efecff93bcfec1a3320d708d24cbe6da0832dda0fb73b153663e49152ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b23efecff93bcfec1a3320d708d24cbe6da0832dda0fb73b153663e49152ff", kill_on_drop: false }`
[INFO] [stdout] e8b23efecff93bcfec1a3320d708d24cbe6da0832dda0fb73b153663e49152ff