[INFO] fetching crate netmap_sys 0.1.4...
[INFO] testing netmap_sys-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate netmap_sys 0.1.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate netmap_sys 0.1.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed0c2355037e36b781494902fa0f290c8ac8d4aabfb2b5c990ac91caf41e838a
[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" "ed0c2355037e36b781494902fa0f290c8ac8d4aabfb2b5c990ac91caf41e838a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed0c2355037e36b781494902fa0f290c8ac8d4aabfb2b5c990ac91caf41e838a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0c2355037e36b781494902fa0f290c8ac8d4aabfb2b5c990ac91caf41e838a", kill_on_drop: false }`
[INFO] [stdout] ed0c2355037e36b781494902fa0f290c8ac8d4aabfb2b5c990ac91caf41e838a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 528ef3cc270d3514d55ab8fd5816e17d07cb76773fce5a6e1506196074d55a6a
[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" "528ef3cc270d3514d55ab8fd5816e17d07cb76773fce5a6e1506196074d55a6a", 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "528ef3cc270d3514d55ab8fd5816e17d07cb76773fce5a6e1506196074d55a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528ef3cc270d3514d55ab8fd5816e17d07cb76773fce5a6e1506196074d55a6a", kill_on_drop: false }`
[INFO] [stdout] 528ef3cc270d3514d55ab8fd5816e17d07cb76773fce5a6e1506196074d55a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 130e5f37baa39ca1c59bd2d883bebb83aa9ffe80176de1f5839f61afd1fa7fa3
[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" "130e5f37baa39ca1c59bd2d883bebb83aa9ffe80176de1f5839f61afd1fa7fa3", 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: 2 warnings emitted
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "130e5f37baa39ca1c59bd2d883bebb83aa9ffe80176de1f5839f61afd1fa7fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130e5f37baa39ca1c59bd2d883bebb83aa9ffe80176de1f5839f61afd1fa7fa3", kill_on_drop: false }`
[INFO] [stdout] 130e5f37baa39ca1c59bd2d883bebb83aa9ffe80176de1f5839f61afd1fa7fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a64a299e99d6744272d0e0f3003225e2b88fde80b8e8d6172bf67b614b668802
[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" "a64a299e99d6744272d0e0f3003225e2b88fde80b8e8d6172bf67b614b668802", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/netmap.rs:28:33
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const NS_PORT_MASK: c_int = (0xff << NS_PORT_SHIFT);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/netmap_user.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     ((buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stderr] 45 | |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize)
[INFO] [stderr]    | |___________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 44 |     (buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stderr] 45 |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/netmap.rs:28:33
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const NS_PORT_MASK: c_int = (0xff << NS_PORT_SHIFT);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/netmap_user.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     ((buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stderr] 45 | |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize)
[INFO] [stderr]    | |___________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 44 |     (buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stderr] 45 |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/netmap_sys-afd821ebea86be7b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests netmap_sys
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/netmap.rs:28:33
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const NS_PORT_MASK: c_int = (0xff << NS_PORT_SHIFT);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/netmap_user.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     ((buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stderr] 45 | |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize)
[INFO] [stderr]    | |___________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 44 |     (buf as *mut c_char).offset( -((ring as *mut c_char) as isize) )
[INFO] [stderr] 45 |                          .offset((*ring).buf_ofs as isize) as usize / (*ring).nr_buf_size as usize
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a64a299e99d6744272d0e0f3003225e2b88fde80b8e8d6172bf67b614b668802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64a299e99d6744272d0e0f3003225e2b88fde80b8e8d6172bf67b614b668802", kill_on_drop: false }`
[INFO] [stdout] a64a299e99d6744272d0e0f3003225e2b88fde80b8e8d6172bf67b614b668802