[INFO] updating cached repository https://github.com/hajifkd/virtual_ip_host
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad476da02542f1fbd6b76e615007f82a703df4df
[INFO] testing hajifkd/virtual_ip_host against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhajifkd%2Fvirtual_ip_host" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hajifkd/virtual_ip_host on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hajifkd/virtual_ip_host
[INFO] finished tweaking git repo https://github.com/hajifkd/virtual_ip_host
[INFO] tweaked toml for git repo https://github.com/hajifkd/virtual_ip_host written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85acc3cb98916788f2447e18b5528938ca3eaa82e8ba09e91099aa75b6bb2f0b
[INFO] running `"docker" "start" "-a" "85acc3cb98916788f2447e18b5528938ca3eaa82e8ba09e91099aa75b6bb2f0b"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling map_struct v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling virtual_ip_host v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/socket/mod.rs:2:85
[INFO] [stderr]   |
[INFO] [stderr] 2 |     bind, c_int, ioctl, packet_mreq, recv, sendto, setsockopt, sockaddr_ll, socket, write,
[INFO] [stderr]   |                                                                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut if_req: ifreq::ifreq = std::mem::uninitialized();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut opt: packet_mreq = std::mem::uninitialized();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/ip/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |         unimplemented!();
[INFO] [stderr]    |         ----------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 74 |     result
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip_header`
[INFO] [stderr]   --> src/ip/mod.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/ip/mod.rs:70:25
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `proto`
[INFO] [stderr]   --> src/ip/mod.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_proto`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dst`
[INFO] [stderr]   --> src/ip/mod.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `my_addr`
[INFO] [stderr]   --> src/ip/mod.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     my_addr: IpAddress,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.78s
[INFO] running `"docker" "inspect" "85acc3cb98916788f2447e18b5528938ca3eaa82e8ba09e91099aa75b6bb2f0b"`
[INFO] running `"docker" "rm" "-f" "85acc3cb98916788f2447e18b5528938ca3eaa82e8ba09e91099aa75b6bb2f0b"`
[INFO] [stdout] 85acc3cb98916788f2447e18b5528938ca3eaa82e8ba09e91099aa75b6bb2f0b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4f58972fedf5985002bb6459d95c5cf378e24b3056dd977f63135f0a5891ba1a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4f58972fedf5985002bb6459d95c5cf378e24b3056dd977f63135f0a5891ba1a"`
[INFO] [stderr]    Compiling virtual_ip_host v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/socket/mod.rs:2:85
[INFO] [stderr]   |
[INFO] [stderr] 2 |     bind, c_int, ioctl, packet_mreq, recv, sendto, setsockopt, sockaddr_ll, socket, write,
[INFO] [stderr]   |                                                                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut if_req: ifreq::ifreq = std::mem::uninitialized();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut opt: packet_mreq = std::mem::uninitialized();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/ip/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |         unimplemented!();
[INFO] [stderr]    |         ----------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 74 |     result
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip_header`
[INFO] [stderr]   --> src/ip/mod.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/ip/mod.rs:70:25
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `proto`
[INFO] [stderr]   --> src/ip/mod.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_proto`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dst`
[INFO] [stderr]   --> src/ip/mod.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `my_addr`
[INFO] [stderr]   --> src/ip/mod.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     my_addr: IpAddress,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/socket/mod.rs:2:85
[INFO] [stderr]   |
[INFO] [stderr] 2 |     bind, c_int, ioctl, packet_mreq, recv, sendto, setsockopt, sockaddr_ll, socket, write,
[INFO] [stderr]   |                                                                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut if_req: ifreq::ifreq = std::mem::uninitialized();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut opt: packet_mreq = std::mem::uninitialized();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/ip/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |         unimplemented!();
[INFO] [stderr]    |         ----------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 74 |     result
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip_header`
[INFO] [stderr]   --> src/ip/mod.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/ip/mod.rs:70:25
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `proto`
[INFO] [stderr]   --> src/ip/mod.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_proto`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dst`
[INFO] [stderr]   --> src/ip/mod.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `my_addr`
[INFO] [stderr]   --> src/ip/mod.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     my_addr: IpAddress,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `"docker" "inspect" "4f58972fedf5985002bb6459d95c5cf378e24b3056dd977f63135f0a5891ba1a"`
[INFO] running `"docker" "rm" "-f" "4f58972fedf5985002bb6459d95c5cf378e24b3056dd977f63135f0a5891ba1a"`
[INFO] [stdout] 4f58972fedf5985002bb6459d95c5cf378e24b3056dd977f63135f0a5891ba1a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb3a1eebc73f65749b28e69c44599121e9680e9e4d30f423efbafa1525274023
[INFO] running `"docker" "start" "-a" "eb3a1eebc73f65749b28e69c44599121e9680e9e4d30f423efbafa1525274023"`
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/socket/mod.rs:2:85
[INFO] [stderr]   |
[INFO] [stderr] 2 |     bind, c_int, ioctl, packet_mreq, recv, sendto, setsockopt, sockaddr_ll, socket, write,
[INFO] [stderr]   |                                                                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut if_req: ifreq::ifreq = std::mem::uninitialized();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut opt: packet_mreq = std::mem::uninitialized();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/ip/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |         unimplemented!();
[INFO] [stderr]    |         ----------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 74 |     result
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip_header`
[INFO] [stderr]   --> src/ip/mod.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/ip/mod.rs:70:25
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `proto`
[INFO] [stderr]   --> src/ip/mod.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_proto`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dst`
[INFO] [stderr]   --> src/ip/mod.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `my_addr`
[INFO] [stderr]   --> src/ip/mod.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     my_addr: IpAddress,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/socket/mod.rs:2:85
[INFO] [stderr]   |
[INFO] [stderr] 2 |     bind, c_int, ioctl, packet_mreq, recv, sendto, setsockopt, sockaddr_ll, socket, write,
[INFO] [stderr]   |                                                                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut if_req: ifreq::ifreq = std::mem::uninitialized();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut opt: packet_mreq = std::mem::uninitialized();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/socket/mod.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut sa: sockaddr_ll = std::mem::uninitialized();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/ip/mod.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |         unimplemented!();
[INFO] [stderr]    |         ----------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 74 |     result
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip_header`
[INFO] [stderr]   --> src/ip/mod.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> src/ip/mod.rs:70:25
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let (ip_header, payload) = IpHeaderWithoutOptions::mapped_mut(&mut result).unwrap();
[INFO] [stderr]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `proto`
[INFO] [stderr]   --> src/ip/mod.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_proto`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dst`
[INFO] [stderr]   --> src/ip/mod.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn construct_packet(proto: u8, dst: IpAddress, payload: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133)
[INFO] [stderr]  --> src/ether/header.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, PartialEq, Eq)]
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `my_addr`
[INFO] [stderr]   --> src/ip/mod.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     my_addr: IpAddress,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/virtual_ip_host-6a06ec433682de0a
[INFO] [stderr] /opt/rustwide/workdir/./runner.sh: 1: exec: /opt/rustwide/target/debug/deps/virtual_ip_host-6a06ec433682de0a: Operation not permitted
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "eb3a1eebc73f65749b28e69c44599121e9680e9e4d30f423efbafa1525274023"`
[INFO] running `"docker" "rm" "-f" "eb3a1eebc73f65749b28e69c44599121e9680e9e4d30f423efbafa1525274023"`
[INFO] [stdout] eb3a1eebc73f65749b28e69c44599121e9680e9e4d30f423efbafa1525274023