[INFO] fetching crate netmap_sys 0.1.4...
[INFO] checking netmap_sys-0.1.4 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate netmap_sys 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate netmap_sys 0.1.4 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netmap_sys 0.1.4
[INFO] finished tweaking crates.io crate netmap_sys 0.1.4
[INFO] tweaked toml for crates.io crate netmap_sys 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dbbeecb33dcb8e4b314d8199c964ff484e87c2991f1715302fb5266207badf6
[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" "6dbbeecb33dcb8e4b314d8199c964ff484e87c2991f1715302fb5266207badf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dbbeecb33dcb8e4b314d8199c964ff484e87c2991f1715302fb5266207badf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbbeecb33dcb8e4b314d8199c964ff484e87c2991f1715302fb5266207badf6", kill_on_drop: false }`
[INFO] [stdout] 6dbbeecb33dcb8e4b314d8199c964ff484e87c2991f1715302fb5266207badf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa3fdba7f45cadd58b248312d2070e4ec1227f3ead8993a7f51c1e18c4b3916b
[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" "fa3fdba7f45cadd58b248312d2070e4ec1227f3ead8993a7f51c1e18c4b3916b", kill_on_drop: false }`
[INFO] [stderr]    Compiling netmap_sys v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/netmap.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const NS_PORT_MASK: c_int = (0xff << NS_PORT_SHIFT);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/netmap_user.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     ((buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stdout] 45 | |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize)
[INFO] [stdout]    | |___________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 |     (buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stdout] 45 |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/netmap.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const NS_PORT_MASK: c_int = (0xff << NS_PORT_SHIFT);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/netmap_user.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     ((buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stdout] 45 | |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize)
[INFO] [stdout]    | |___________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 |     (buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stdout] 45 |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "fa3fdba7f45cadd58b248312d2070e4ec1227f3ead8993a7f51c1e18c4b3916b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3fdba7f45cadd58b248312d2070e4ec1227f3ead8993a7f51c1e18c4b3916b", kill_on_drop: false }`
[INFO] [stdout] fa3fdba7f45cadd58b248312d2070e4ec1227f3ead8993a7f51c1e18c4b3916b