[INFO] cloning repository https://github.com/yuki-uchida/rust-stun-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuki-uchida/rust-stun-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuki-uchida%2Frust-stun-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuki-uchida%2Frust-stun-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f74bd39743e8ff122213cad237c134707f5a921b [INFO] checking yuki-uchida/rust-stun-practice against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuki-uchida%2Frust-stun-practice" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/yuki-uchida/rust-stun-practice [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/yuki-uchida/rust-stun-practice [INFO] tweaked toml for git repo https://github.com/yuki-uchida/rust-stun-practice written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yuki-uchida/rust-stun-practice on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/yuki-uchida/rust-stun-practice 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4935fea7f82ab2b8cf3fcfca0b167f3869ad06b932de9e320f4c9bf2ad796038 [INFO] running `Command { std: "docker" "start" "-a" "4935fea7f82ab2b8cf3fcfca0b167f3869ad06b932de9e320f4c9bf2ad796038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4935fea7f82ab2b8cf3fcfca0b167f3869ad06b932de9e320f4c9bf2ad796038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4935fea7f82ab2b8cf3fcfca0b167f3869ad06b932de9e320f4c9bf2ad796038", kill_on_drop: false }` [INFO] [stdout] 4935fea7f82ab2b8cf3fcfca0b167f3869ad06b932de9e320f4c9bf2ad796038 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06f7960b8643016f111cf5f2fb4d8d7d2e20d2070c87495c195423ae2c8522c8 [INFO] running `Command { std: "docker" "start" "-a" "06f7960b8643016f111cf5f2fb4d8d7d2e20d2070c87495c195423ae2c8522c8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling tokio v1.8.1 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking stun v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ipv4Addr` [INFO] [stdout] --> src/message.rs:6:24 [INFO] [stdout] | [INFO] [stdout] 6 | use std::net::{IpAddr, Ipv4Addr, SocketAddr}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ipv4Addr` [INFO] [stdout] --> src/message.rs:6:24 [INFO] [stdout] | [INFO] [stdout] 6 | use std::net::{IpAddr, Ipv4Addr, SocketAddr}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ipv6` [INFO] [stdout] --> src/message.rs:64:24 [INFO] [stdout] | [INFO] [stdout] 64 | IpAddr::V6(ipv6) => { /* handle IPv6 */ } [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_ipv6` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ipv6` [INFO] [stdout] --> src/message.rs:64:24 [INFO] [stdout] | [INFO] [stdout] 64 | IpAddr::V6(ipv6) => { /* handle IPv6 */ } [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_ipv6` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible> [INFO] [stdout] --> src/message.rs:59:55 [INFO] [stdout] | [INFO] [stdout] 59 | let ip_addr: u32 = u32::from_be_bytes(ipv4.octets().try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible> [INFO] [stdout] --> src/message.rs:59:55 [INFO] [stdout] | [INFO] [stdout] 59 | let ip_addr: u32 = u32::from_be_bytes(ipv4.octets().try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `stun` (lib) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `stun` (lib test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "06f7960b8643016f111cf5f2fb4d8d7d2e20d2070c87495c195423ae2c8522c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06f7960b8643016f111cf5f2fb4d8d7d2e20d2070c87495c195423ae2c8522c8", kill_on_drop: false }` [INFO] [stdout] 06f7960b8643016f111cf5f2fb4d8d7d2e20d2070c87495c195423ae2c8522c8