[INFO] cloning repository https://github.com/sonohgong/frisco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sonohgong/frisco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonohgong%2Ffrisco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonohgong%2Ffrisco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4211aaa9d7275b668183ec9b7ad43f7a65403008
[INFO] testing sonohgong/frisco against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonohgong%2Ffrisco" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sonohgong/frisco
[INFO] finished tweaking git repo https://github.com/sonohgong/frisco
[INFO] tweaked toml for git repo https://github.com/sonohgong/frisco written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sonohgong/frisco on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sonohgong/frisco already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a38f9e7eff99356eaf8b182f8943eb8f07038d1b97113089867e167ee5047d28
[INFO] running `Command { std: "docker" "start" "-a" "a38f9e7eff99356eaf8b182f8943eb8f07038d1b97113089867e167ee5047d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38f9e7eff99356eaf8b182f8943eb8f07038d1b97113089867e167ee5047d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38f9e7eff99356eaf8b182f8943eb8f07038d1b97113089867e167ee5047d28", kill_on_drop: false }`
[INFO] [stdout] a38f9e7eff99356eaf8b182f8943eb8f07038d1b97113089867e167ee5047d28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1279c64854ad68af572045126bb2201c015dbda8005ed1af540d4d51bff6dbc9
[INFO] running `Command { std: "docker" "start" "-a" "1279c64854ad68af572045126bb2201c015dbda8005ed1af540d4d51bff6dbc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling frisco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |         for answer in packet.answers.first() {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 119 -         for answer in packet.answers.first() {
[INFO] [stdout] 119 +         while let Some(answer) = packet.answers.first() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 119 -         for answer in packet.answers.first() {
[INFO] [stdout] 119 +         if let Some(answer) = packet.answers.first() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut ifaddrs` does not permit being left uninitialized
[INFO] [stdout]   --> src/interfaces.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut ptr_ifa_head: *mut libc::ifaddrs = mem::MaybeUninit::uninit().assume_init();
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        this code causes undefined behavior when executed
[INFO] [stdout]    |                                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: raw pointers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/interfaces.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   let bytes: [u8; 4] = mem::transmute(s_addr);
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 61 -                             let bytes: [u8; 4] = mem::transmute(s_addr);
[INFO] [stdout] 61 +                             let bytes: [u8; 4] = u32::to_ne_bytes(s_addr);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "1279c64854ad68af572045126bb2201c015dbda8005ed1af540d4d51bff6dbc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1279c64854ad68af572045126bb2201c015dbda8005ed1af540d4d51bff6dbc9", kill_on_drop: false }`
[INFO] [stdout] 1279c64854ad68af572045126bb2201c015dbda8005ed1af540d4d51bff6dbc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e9ae90be1b3b2f2e7c63e40e20fd7a9f67de43267d2f15d64fd7f772f06a1de
[INFO] running `Command { std: "docker" "start" "-a" "8e9ae90be1b3b2f2e7c63e40e20fd7a9f67de43267d2f15d64fd7f772f06a1de", kill_on_drop: false }`
[INFO] [stderr]    Compiling frisco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |         for answer in packet.answers.first() {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 119 -         for answer in packet.answers.first() {
[INFO] [stdout] 119 +         while let Some(answer) = packet.answers.first() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 119 -         for answer in packet.answers.first() {
[INFO] [stdout] 119 +         if let Some(answer) = packet.answers.first() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut ifaddrs` does not permit being left uninitialized
[INFO] [stdout]   --> src/interfaces.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut ptr_ifa_head: *mut libc::ifaddrs = mem::MaybeUninit::uninit().assume_init();
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        this code causes undefined behavior when executed
[INFO] [stdout]    |                                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: raw pointers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/interfaces.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   let bytes: [u8; 4] = mem::transmute(s_addr);
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 61 -                             let bytes: [u8; 4] = mem::transmute(s_addr);
[INFO] [stdout] 61 +                             let bytes: [u8; 4] = u32::to_ne_bytes(s_addr);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "8e9ae90be1b3b2f2e7c63e40e20fd7a9f67de43267d2f15d64fd7f772f06a1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9ae90be1b3b2f2e7c63e40e20fd7a9f67de43267d2f15d64fd7f772f06a1de", kill_on_drop: false }`
[INFO] [stdout] 8e9ae90be1b3b2f2e7c63e40e20fd7a9f67de43267d2f15d64fd7f772f06a1de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e057e4c4490dfc9c63fae84335133a012870b6073a7be9e8e3e6e2e30c380617
[INFO] running `Command { std: "docker" "start" "-a" "e057e4c4490dfc9c63fae84335133a012870b6073a7be9e8e3e6e2e30c380617", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/main.rs:119:23
[INFO] [stderr]     |
[INFO] [stderr] 119 |         for answer in packet.answers.first() {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 119 -         for answer in packet.answers.first() {
[INFO] [stderr] 119 +         while let Some(answer) = packet.answers.first() {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 119 -         for answer in packet.answers.first() {
[INFO] [stderr] 119 +         if let Some(answer) = packet.answers.first() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: the type `*mut ifaddrs` does not permit being left uninitialized
[INFO] [stderr]   --> src/interfaces.rs:22:56
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut ptr_ifa_head: *mut libc::ifaddrs = mem::MaybeUninit::uninit().assume_init();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                                        |
[INFO] [stderr]    |                                                        this code causes undefined behavior when executed
[INFO] [stderr]    |                                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: raw pointers must be initialized
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> src/interfaces.rs:61:50
[INFO] [stderr]    |
[INFO] [stderr] 61 | ...                   let bytes: [u8; 4] = mem::transmute(s_addr);
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stderr]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]    |
[INFO] [stderr] 61 -                             let bytes: [u8; 4] = mem::transmute(s_addr);
[INFO] [stderr] 61 +                             let bytes: [u8; 4] = u32::to_ne_bytes(s_addr);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `frisco` (bin "frisco" test) generated 3 warnings (run `cargo fix --bin "frisco" -p frisco --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/frisco-057460556eecd2cd)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e057e4c4490dfc9c63fae84335133a012870b6073a7be9e8e3e6e2e30c380617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e057e4c4490dfc9c63fae84335133a012870b6073a7be9e8e3e6e2e30c380617", kill_on_drop: false }`
[INFO] [stdout] e057e4c4490dfc9c63fae84335133a012870b6073a7be9e8e3e6e2e30c380617
