[INFO] cloning repository https://github.com/gfreezy/test-tun [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfreezy/test-tun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Ftest-tun", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Ftest-tun'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 310e6ee3791cb62b6bf1367d5240f0495ad6d39e [INFO] checking gfreezy/test-tun against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Ftest-tun" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gfreezy/test-tun on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/gfreezy/test-tun [INFO] finished tweaking git repo https://github.com/gfreezy/test-tun [INFO] tweaked toml for git repo https://github.com/gfreezy/test-tun written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gfreezy/test-tun 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/gfreezy/async-std` [INFO] [stderr] Updating git repository `https://github.com/gfreezy/seeker` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/gfreezy/libproc-rs` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lazy_static v1.4.0 [INFO] [stderr] Downloaded take_mut v0.2.2 [INFO] [stderr] Downloaded tracing-attributes v0.1.5 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded async-macros v2.0.0 [INFO] [stderr] Downloaded async-task v1.0.0 [INFO] [stderr] Downloaded crossbeam-channel v0.4.0 [INFO] [stderr] Downloaded aho-corasick v0.7.6 [INFO] [stderr] Downloaded syn v1.0.9 [INFO] [stderr] Downloaded mio v0.6.21 [INFO] [stderr] Downloaded chrono v0.4.10 [INFO] [stderr] Downloaded rle-decode-fast v1.0.1 [INFO] [stderr] Downloaded env_logger v0.7.1 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded num-traits v0.2.10 [INFO] [stderr] Downloaded proc-macro2 v1.0.6 [INFO] [stderr] Downloaded regex-syntax v0.6.12 [INFO] [stderr] Downloaded net2 v0.2.33 [INFO] [stderr] Downloaded anyhow v1.0.25 [INFO] [stderr] Downloaded bitflags v1.2.1 [INFO] [stderr] 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ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded miow v0.2.1 [INFO] [stderr] Downloaded procfs v0.5.4 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded quote v1.0.2 [INFO] [stderr] Downloaded crossbeam-deque v0.7.2 [INFO] [stderr] Downloaded futures-core v0.3.1 [INFO] [stderr] Downloaded hermit-abi v0.1.3 [INFO] [stderr] Downloaded pin-project-lite v0.1.1 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded wincolor v1.0.2 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded spin v0.5.2 [INFO] [stderr] Downloaded tracing-core v0.1.7 [INFO] [stderr] Downloaded unicode-xid v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28f645806c670c99106e441dd8ab71367276dc36b5d04bfca4724d56b07282bb [INFO] running `Command { std: "docker" "start" "-a" "28f645806c670c99106e441dd8ab71367276dc36b5d04bfca4724d56b07282bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28f645806c670c99106e441dd8ab71367276dc36b5d04bfca4724d56b07282bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28f645806c670c99106e441dd8ab71367276dc36b5d04bfca4724d56b07282bb", kill_on_drop: false }` [INFO] [stdout] 28f645806c670c99106e441dd8ab71367276dc36b5d04bfca4724d56b07282bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48129618b509d3e409067482813a42a4989bb8ae2a08d3ad4def6bd52043ef40 [INFO] running `Command { std: "docker" "start" "-a" "48129618b509d3e409067482813a42a4989bb8ae2a08d3ad4def6bd52043ef40", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling syn v1.0.9 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rle-decode-fast v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.25 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.7 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking libflate v0.1.27 [INFO] [stderr] Checking async-macros v2.0.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking async-std v1.0.1 (https://github.com/gfreezy/async-std?rev=3b3f0f9f27e74ec6b7eb027d292ede25350b032d#3b3f0f9f) [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking procfs v0.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking sysconfig v0.1.0 (https://github.com/gfreezy/seeker#846b184c) [INFO] [stderr] Checking test-tun v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 21 | / loop { [INFO] [stdout] 22 | | let size = socket.read(&mut buf).await?; [INFO] [stdout] 23 | | println!("read {} bytes: {:?}", size, &buf[..size]); [INFO] [stdout] 24 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 25 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 21 | / loop { [INFO] [stdout] 22 | | let size = socket.read(&mut buf).await?; [INFO] [stdout] 23 | | println!("read {} bytes: {:?}", size, &buf[..size]); [INFO] [stdout] 24 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 25 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mtu` is never read [INFO] [stdout] --> src/phy/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) struct TunSocket { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 10 | mtu: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mtu` is never read [INFO] [stdout] --> src/phy/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) struct TunSocket { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 10 | mtu: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mtu` is never used [INFO] [stdout] --> src/phy/mod.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl TunSocket { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn mtu(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mtu` is never used [INFO] [stdout] --> src/phy/mod.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl TunSocket { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn mtu(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s [INFO] running `Command { std: "docker" "inspect" "48129618b509d3e409067482813a42a4989bb8ae2a08d3ad4def6bd52043ef40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48129618b509d3e409067482813a42a4989bb8ae2a08d3ad4def6bd52043ef40", kill_on_drop: false }` [INFO] [stdout] 48129618b509d3e409067482813a42a4989bb8ae2a08d3ad4def6bd52043ef40 [INFO] checking gfreezy/test-tun against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Ftest-tun" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gfreezy/test-tun on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/gfreezy/test-tun [INFO] finished tweaking git repo https://github.com/gfreezy/test-tun [INFO] tweaked toml for git repo https://github.com/gfreezy/test-tun written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/gfreezy/test-tun 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcedf0015f6b27825a8b7cc2e5f88a0d6d80621718de30e60bb599163eedf134 [INFO] running `Command { std: "docker" "start" "-a" "fcedf0015f6b27825a8b7cc2e5f88a0d6d80621718de30e60bb599163eedf134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcedf0015f6b27825a8b7cc2e5f88a0d6d80621718de30e60bb599163eedf134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcedf0015f6b27825a8b7cc2e5f88a0d6d80621718de30e60bb599163eedf134", kill_on_drop: false }` [INFO] [stdout] fcedf0015f6b27825a8b7cc2e5f88a0d6d80621718de30e60bb599163eedf134 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 905add558b66fbeb5d26295100d0e2cb6ef2f1ba12446131c9ca51c27316776f [INFO] running `Command { std: "docker" "start" "-a" "905add558b66fbeb5d26295100d0e2cb6ef2f1ba12446131c9ca51c27316776f", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling syn v1.0.9 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Compiling anyhow v1.0.25 [INFO] [stderr] Checking rle-decode-fast v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking tracing-core v0.1.7 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking async-macros v2.0.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking libflate v0.1.27 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking async-std v1.0.1 (https://github.com/gfreezy/async-std?rev=3b3f0f9f27e74ec6b7eb027d292ede25350b032d#3b3f0f9f) [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking procfs v0.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking sysconfig v0.1.0 (https://github.com/gfreezy/seeker#846b184c) [INFO] [stderr] Checking test-tun v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 21 | / loop { [INFO] [stdout] 22 | | let size = socket.read(&mut buf).await?; [INFO] [stdout] 23 | | println!("read {} bytes: {:?}", size, &buf[..size]); [INFO] [stdout] 24 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 25 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 21 | / loop { [INFO] [stdout] 22 | | let size = socket.read(&mut buf).await?; [INFO] [stdout] 23 | | println!("read {} bytes: {:?}", size, &buf[..size]); [INFO] [stdout] 24 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 25 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mtu` is never read [INFO] [stdout] --> src/phy/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) struct TunSocket { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 10 | mtu: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mtu` is never read [INFO] [stdout] --> src/phy/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) struct TunSocket { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 10 | mtu: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mtu` is never used [INFO] [stdout] --> src/phy/mod.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl TunSocket { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn mtu(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mtu` is never used [INFO] [stdout] --> src/phy/mod.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl TunSocket { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn mtu(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/phy/mod.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 17 | let watcher = Watcher::new(sys::TunSocket::new(name).expect("TunSocket::new")); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | TunSocket { [INFO] [stdout] 19 | name: watcher.get_ref().name().expect("get name"), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/phy/mod.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 17 | let watcher = Watcher::new(sys::TunSocket::new(name).expect("TunSocket::new")); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | TunSocket { [INFO] [stdout] 19 | name: watcher.get_ref().name().expect("get name"), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/phy/mod.rs:20:18 [INFO] [stdout] | [INFO] [stdout] 17 | let watcher = Watcher::new(sys::TunSocket::new(name).expect("TunSocket::new")); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | mtu: watcher.get_ref().mtu().expect("get mut"), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/phy/mod.rs:20:18 [INFO] [stdout] | [INFO] [stdout] 17 | let watcher = Watcher::new(sys::TunSocket::new(name).expect("TunSocket::new")); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | mtu: watcher.get_ref().mtu().expect("get mut"), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `test-tun` (bin "test-tun") due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `test-tun` (bin "test-tun" test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "905add558b66fbeb5d26295100d0e2cb6ef2f1ba12446131c9ca51c27316776f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "905add558b66fbeb5d26295100d0e2cb6ef2f1ba12446131c9ca51c27316776f", kill_on_drop: false }` [INFO] [stdout] 905add558b66fbeb5d26295100d0e2cb6ef2f1ba12446131c9ca51c27316776f