[INFO] cloning repository https://github.com/wzhd/ustcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wzhd/ustcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwzhd%2Fustcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwzhd%2Fustcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 65b5ac42483f805b20f640fc9cb98abec6fd167d [INFO] checking wzhd/ustcp against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwzhd%2Fustcp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/wzhd/ustcp [INFO] finished tweaking git repo https://github.com/wzhd/ustcp [INFO] tweaked toml for git repo https://github.com/wzhd/ustcp written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/wzhd/ustcp on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/wzhd/ustcp 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/wzhd/rstcp.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/wzhd/trilock.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded managed v0.7.1 [INFO] [stderr] Downloaded argh_shared v0.1.1 [INFO] [stderr] Downloaded tun v0.4.4 [INFO] [stderr] Downloaded argh v0.1.3 [INFO] [stderr] Downloaded tokio-fd v0.3.0 [INFO] [stderr] Downloaded argh_derive v0.1.1 [INFO] [stderr] Downloaded snafu v0.6.6 [INFO] [stderr] Downloaded snafu-derive v0.6.6 [INFO] [stderr] Downloaded tracing-subscriber v0.2.5 [INFO] [stderr] Downloaded backtrace-sys v0.1.36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e116d4525bf0a6208fd8f22850b1e5748b3882c490aae3cc0a23167e4ca25a29 [INFO] running `Command { std: "docker" "start" "-a" "e116d4525bf0a6208fd8f22850b1e5748b3882c490aae3cc0a23167e4ca25a29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e116d4525bf0a6208fd8f22850b1e5748b3882c490aae3cc0a23167e4ca25a29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e116d4525bf0a6208fd8f22850b1e5748b3882c490aae3cc0a23167e4ca25a29", kill_on_drop: false }` [INFO] [stdout] e116d4525bf0a6208fd8f22850b1e5748b3882c490aae3cc0a23167e4ca25a29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4039cacd2296f3115ac1ca2e683c6b4682129e0e0875818ec4e45feb79e2c3f5 [INFO] running `Command { std: "docker" "start" "-a" "4039cacd2296f3115ac1ca2e683c6b4682129e0e0875818ec4e45feb79e2c3f5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.84 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking tracing-core v0.1.10 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling tokio v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking managed v0.7.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking ioctl-sys v0.5.2 [INFO] [stderr] Compiling argh_shared v0.1.1 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking sharded-slab v0.0.9 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking smoltcp v0.7.0 (https://github.com/wzhd/rstcp.git#4f8bb98c) [INFO] [stderr] Checking trilock v0.1.0 (https://github.com/wzhd/trilock.git#dc5b657f) [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.36 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking tun v0.4.4 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking tracing-serde v0.1.1 [INFO] [stderr] Checking serde_json v1.0.52 [INFO] [stderr] Checking tracing-subscriber v0.2.5 [INFO] [stderr] Compiling tokio-macros v1.0.0 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [INFO] [stderr] Compiling pin-project-internal v0.4.9 [INFO] [stderr] Compiling snafu-derive v0.6.6 [INFO] [stderr] Compiling argh_derive v0.1.1 [INFO] [stderr] Checking tracing v0.1.13 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking pin-project v0.4.9 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking argh v0.1.3 [INFO] [stderr] Checking snafu v0.6.6 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking tokio-util v0.6.3 [INFO] [stderr] Checking tokio-stream v0.1.3 [INFO] [stderr] Checking tokio-fd v0.3.0 [INFO] [stderr] Checking ustunet v0.2.0 (/opt/rustwide/workdir/ustunet) [INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used [INFO] [stdout] --> ustunet/src/dispatch/mod.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | tokio::task::yield_now().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: yield_now does nothing unless polled/`await`-ed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 188 | let _ = tokio::task::yield_now().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> ustunet/src/stream/internal.rs:198:18 [INFO] [stdout] | [INFO] [stdout] 198 | let tcp = tcp.borrow(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `smoltcp::socket::TcpSocket<'_>` does not implement `Borrow`, so calling `borrow` on `&smoltcp::socket::TcpSocket<'_>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 198 - let tcp = tcp.borrow(); [INFO] [stdout] 198 + let tcp = tcp; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `smoltcp::socket::TcpSocket<'_>`, implement `Clone` for it [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/rstcp-47d09303c34d0d4d/4f8bb98/src/socket/tcp.rs:281:1 [INFO] [stdout] | [INFO] [stdout] 281 + #[derive(Clone)] [INFO] [stdout] 282 | pub struct TcpSocket<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> ustunet/src/util.rs:71:26 [INFO] [stdout] | [INFO] [stdout] 71 | pub(crate) fn select(&mut self) -> SelectorFuture { [INFO] [stdout] | ^^^^^^^^^ -------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 71 | pub(crate) fn select(&mut self) -> SelectorFuture<'_, A, B, C, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used [INFO] [stdout] --> ustunet/src/dispatch/mod.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | tokio::task::yield_now().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: yield_now does nothing unless polled/`await`-ed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 188 | let _ = tokio::task::yield_now().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> ustunet/src/stream/internal.rs:198:18 [INFO] [stdout] | [INFO] [stdout] 198 | let tcp = tcp.borrow(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `smoltcp::socket::TcpSocket<'_>` does not implement `Borrow`, so calling `borrow` on `&smoltcp::socket::TcpSocket<'_>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 198 - let tcp = tcp.borrow(); [INFO] [stdout] 198 + let tcp = tcp; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `smoltcp::socket::TcpSocket<'_>`, implement `Clone` for it [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/rstcp-47d09303c34d0d4d/4f8bb98/src/socket/tcp.rs:281:1 [INFO] [stdout] | [INFO] [stdout] 281 + #[derive(Clone)] [INFO] [stdout] 282 | pub struct TcpSocket<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> ustunet/src/util.rs:71:26 [INFO] [stdout] | [INFO] [stdout] 71 | pub(crate) fn select(&mut self) -> SelectorFuture { [INFO] [stdout] | ^^^^^^^^^ -------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 71 | pub(crate) fn select(&mut self) -> SelectorFuture<'_, A, B, C, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.23s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: smoltcp v0.7.0 (https://github.com/wzhd/rstcp.git#4f8bb98c) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "4039cacd2296f3115ac1ca2e683c6b4682129e0e0875818ec4e45feb79e2c3f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4039cacd2296f3115ac1ca2e683c6b4682129e0e0875818ec4e45feb79e2c3f5", kill_on_drop: false }` [INFO] [stdout] 4039cacd2296f3115ac1ca2e683c6b4682129e0e0875818ec4e45feb79e2c3f5