[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] checking sonohgong/frisco against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonohgong%2Ffrisco" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sonohgong/frisco on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking sonohgong/frisco against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonohgong%2Ffrisco" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sonohgong/frisco on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a66658708e7a57a89eaddc407d1706ee3ffed467ae8860db36a5c3073b6b4d1b [INFO] running `Command { std: "docker" "start" "-a" "a66658708e7a57a89eaddc407d1706ee3ffed467ae8860db36a5c3073b6b4d1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a66658708e7a57a89eaddc407d1706ee3ffed467ae8860db36a5c3073b6b4d1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a66658708e7a57a89eaddc407d1706ee3ffed467ae8860db36a5c3073b6b4d1b", kill_on_drop: false }` [INFO] [stdout] a66658708e7a57a89eaddc407d1706ee3ffed467ae8860db36a5c3073b6b4d1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b1bbe999118a96d24515287bb9f07d5ad8d8bc9d6bbceff3d0e6945012190c1 [INFO] running `Command { std: "docker" "start" "-a" "4b1bbe999118a96d24515287bb9f07d5ad8d8bc9d6bbceff3d0e6945012190c1", 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] Checking quick-error v1.2.3 [INFO] [stderr] Checking dns-parser v0.8.0 [INFO] [stderr] Checking 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: 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` 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: replace this with: `u32::to_ne_bytes` [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] [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` 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: replace this with: `u32::to_ne_bytes` [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] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "4b1bbe999118a96d24515287bb9f07d5ad8d8bc9d6bbceff3d0e6945012190c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b1bbe999118a96d24515287bb9f07d5ad8d8bc9d6bbceff3d0e6945012190c1", kill_on_drop: false }` [INFO] [stdout] 4b1bbe999118a96d24515287bb9f07d5ad8d8bc9d6bbceff3d0e6945012190c1