[INFO] crate mosh-server-upnp 0.1.0 is already in cache
[INFO] extracting crate mosh-server-upnp 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/mosh-server-upnp/0.1.0
[INFO] extracting crate mosh-server-upnp 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mosh-server-upnp/0.1.0
[INFO] validating manifest of mosh-server-upnp-0.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mosh-server-upnp-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mosh-server-upnp-0.1.0
[INFO] finished frobbing mosh-server-upnp-0.1.0
[INFO] frobbed toml for mosh-server-upnp-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/mosh-server-upnp/0.1.0/Cargo.toml
[INFO] started frobbing mosh-server-upnp-0.1.0
[INFO] finished frobbing mosh-server-upnp-0.1.0
[INFO] frobbed toml for mosh-server-upnp-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mosh-server-upnp/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting mosh-server-upnp-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/mosh-server-upnp/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 79c33464e815d9c06a22333903c65886e189c0efd97dba39e9d296ae6a78c235
[INFO] running `"docker" "start" "-a" "79c33464e815d9c06a22333903c65886e189c0efd97dba39e9d296ae6a78c235"`
[INFO] [stderr]     Checking xmltree v0.7.0
[INFO] [stderr]     Checking tokio-retry v0.1.1
[INFO] [stderr]     Checking igd v0.7.0
[INFO] [stderr]     Checking mosh-server-upnp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ((octets[0] as u32) << 24) |
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(octets[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |         ((octets[1] as u32) << 16) |
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(octets[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |         ((octets[2] as u32) << 8) |
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(octets[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         octets[3] as u32
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: try: `u32::from(octets[3])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         match addr.addr {
[INFO] [stderr] 22 | |             get_if_addrs::IfAddr::V4(addr) => {
[INFO] [stderr] 23 | |                 let ip = addr_ip(addr.ip);
[INFO] [stderr] 24 | |                 let netmask = addr_ip(addr.netmask);
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |             _ => (),
[INFO] [stderr] 31 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 21 |         if let get_if_addrs::IfAddr::V4(addr) = addr.addr {
[INFO] [stderr] 22 |     let ip = addr_ip(addr.ip);
[INFO] [stderr] 23 |     let netmask = addr_ip(addr.netmask);
[INFO] [stderr] 24 | 
[INFO] [stderr] 25 |     if (remote_addr & netmask) == (ip & netmask) {
[INFO] [stderr] 26 |         return Ok(addr)
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:39:67
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mosh_server = mosh_server.as_ref().map(|s| s.as_os_str()).unwrap_or("mosh-server".as_ref());
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "mosh-server".as_ref())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ((octets[0] as u32) << 24) |
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(octets[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |         ((octets[1] as u32) << 16) |
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(octets[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |         ((octets[2] as u32) << 8) |
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(octets[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         octets[3] as u32
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: try: `u32::from(octets[3])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         match addr.addr {
[INFO] [stderr] 22 | |             get_if_addrs::IfAddr::V4(addr) => {
[INFO] [stderr] 23 | |                 let ip = addr_ip(addr.ip);
[INFO] [stderr] 24 | |                 let netmask = addr_ip(addr.netmask);
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |             _ => (),
[INFO] [stderr] 31 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 21 |         if let get_if_addrs::IfAddr::V4(addr) = addr.addr {
[INFO] [stderr] 22 |     let ip = addr_ip(addr.ip);
[INFO] [stderr] 23 |     let netmask = addr_ip(addr.netmask);
[INFO] [stderr] 24 | 
[INFO] [stderr] 25 |     if (remote_addr & netmask) == (ip & netmask) {
[INFO] [stderr] 26 |         return Ok(addr)
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/main.rs:39:67
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mosh_server = mosh_server.as_ref().map(|s| s.as_os_str()).unwrap_or("mosh-server".as_ref());
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "mosh-server".as_ref())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.42s
[INFO] running `"docker" "inspect" "79c33464e815d9c06a22333903c65886e189c0efd97dba39e9d296ae6a78c235"`
[INFO] running `"docker" "rm" "-f" "79c33464e815d9c06a22333903c65886e189c0efd97dba39e9d296ae6a78c235"`
[INFO] [stdout] 79c33464e815d9c06a22333903c65886e189c0efd97dba39e9d296ae6a78c235