[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#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwzhd%2Fustcp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wzhd/ustcp on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/wzhd/rstcp.git` [INFO] [stderr] Updating git repository `https://github.com/wzhd/trilock.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tun v0.4.4 [INFO] [stderr] Downloaded tokio-fd v0.3.0 [INFO] [stderr] Downloaded pin-project-internal v0.4.9 [INFO] [stderr] Downloaded snafu-derive v0.6.6 [INFO] [stderr] Downloaded snafu v0.6.6 [INFO] [stderr] Downloaded pin-project v0.4.9 [INFO] [stderr] Downloaded managed v0.7.1 [INFO] [stderr] Downloaded cc v1.0.52 [INFO] [stderr] Downloaded tokio v1.1.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 633af627627a21ea53dd98925dad1f4dd9ef8194984d7b81c825696bba93a982 [INFO] running `Command { std: "docker" "start" "-a" "633af627627a21ea53dd98925dad1f4dd9ef8194984d7b81c825696bba93a982", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "633af627627a21ea53dd98925dad1f4dd9ef8194984d7b81c825696bba93a982", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "633af627627a21ea53dd98925dad1f4dd9ef8194984d7b81c825696bba93a982", kill_on_drop: false }` [INFO] [stdout] 633af627627a21ea53dd98925dad1f4dd9ef8194984d7b81c825696bba93a982 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75f1793af6e731c9bfcc3cc679222960cea861bf02cfc34289efe96f1ad9640e [INFO] running `Command { std: "docker" "start" "-a" "75f1793af6e731c9bfcc3cc679222960cea861bf02cfc34289efe96f1ad9640e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling libc v0.2.84 [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] Compiling cc v1.0.52 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking tracing-core v0.1.10 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking once_cell v1.5.2 [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] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.1 [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 futures-task v0.3.4 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking managed v0.7.1 [INFO] [stderr] Checking ioctl-sys v0.5.2 [INFO] [stderr] Compiling argh_shared v0.1.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking sharded-slab v0.0.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Checking trilock v0.1.0 (https://github.com/wzhd/trilock.git#dc5b657f) [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.36 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking smoltcp v0.7.0 (https://github.com/wzhd/rstcp.git#4f8bb98c) [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 regex v1.3.7 [INFO] [stderr] Checking regex-automata v0.1.9 [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 serde_json v1.0.52 [INFO] [stderr] Checking tracing-serde v0.1.1 [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 futures-util v0.3.4 [INFO] [stderr] Checking argh v0.1.3 [INFO] [stderr] Checking tracing v0.1.13 [INFO] [stderr] Checking pin-project v0.4.9 [INFO] [stderr] Checking tracing-futures v0.2.4 [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-fd v0.3.0 [INFO] [stderr] Checking tokio-util v0.6.3 [INFO] [stderr] Checking tokio-stream v0.1.3 [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-830831aba3e811ec/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: 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-830831aba3e811ec/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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly [INFO] [stdout] --> ustunet/examples/rend_.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use tracing_subscriber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ustunet` is imported redundantly [INFO] [stdout] --> ustunet/examples/rend_.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use ustunet; [INFO] [stdout] | ^^^^^^^ the item `ustunet` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ustunet` is imported redundantly [INFO] [stdout] --> ustunet/examples/echo.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use ustunet; [INFO] [stdout] | ^^^^^^^ the item `ustunet` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly [INFO] [stdout] --> ustunet/examples/rendezvous.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tracing_subscriber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ustunet` is imported redundantly [INFO] [stdout] --> ustunet/examples/rendezvous.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ustunet; [INFO] [stdout] | ^^^^^^^ the item `ustunet` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.92s [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" "75f1793af6e731c9bfcc3cc679222960cea861bf02cfc34289efe96f1ad9640e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75f1793af6e731c9bfcc3cc679222960cea861bf02cfc34289efe96f1ad9640e", kill_on_drop: false }` [INFO] [stdout] 75f1793af6e731c9bfcc3cc679222960cea861bf02cfc34289efe96f1ad9640e [INFO] checking wzhd/ustcp against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwzhd%2Fustcp" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wzhd/ustcp on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc2/source/Cargo.toml [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f9352f3bbc35869f568a356dea7e051051cb2800fe3ee8b3ac84bf45c02aeca [INFO] running `Command { std: "docker" "start" "-a" "4f9352f3bbc35869f568a356dea7e051051cb2800fe3ee8b3ac84bf45c02aeca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f9352f3bbc35869f568a356dea7e051051cb2800fe3ee8b3ac84bf45c02aeca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f9352f3bbc35869f568a356dea7e051051cb2800fe3ee8b3ac84bf45c02aeca", kill_on_drop: false }` [INFO] [stdout] 4f9352f3bbc35869f568a356dea7e051051cb2800fe3ee8b3ac84bf45c02aeca [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56f3f712bc1fbe60af10df8566d32dcd21d9f9d142600933b88a6e1d72191122 [INFO] running `Command { std: "docker" "start" "-a" "56f3f712bc1fbe60af10df8566d32dcd21d9f9d142600933b88a6e1d72191122", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling libc v0.2.84 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking tracing-core v0.1.10 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [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] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking managed v0.7.1 [INFO] [stderr] Checking ioctl-sys v0.5.2 [INFO] [stderr] Checking termcolor v1.1.0 [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] Compiling heck v0.3.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking sharded-slab v0.0.9 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Checking trilock v0.1.0 (https://github.com/wzhd/trilock.git#dc5b657f) [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.7 [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] Compiling backtrace-sys v0.1.36 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking regex-automata v0.1.9 [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 serde_json v1.0.52 [INFO] [stderr] Checking tracing-serde v0.1.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [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 pin-project-internal v0.4.9 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [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 argh v0.1.3 [INFO] [stderr] Checking pin-project v0.4.9 [INFO] [stderr] Checking tracing-futures v0.2.4 [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-fd v0.3.0 [INFO] [stderr] Checking tokio-util v0.6.3 [INFO] [stderr] Checking tokio-stream v0.1.3 [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-830831aba3e811ec/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: 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-830831aba3e811ec/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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly [INFO] [stdout] --> ustunet/examples/rend_.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use tracing_subscriber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ustunet` is imported redundantly [INFO] [stdout] --> ustunet/examples/rend_.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use ustunet; [INFO] [stdout] | ^^^^^^^ the item `ustunet` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly [INFO] [stdout] --> ustunet/examples/rendezvous.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tracing_subscriber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ustunet` is imported redundantly [INFO] [stdout] --> ustunet/examples/rendezvous.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ustunet; [INFO] [stdout] | ^^^^^^^ the item `ustunet` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ustunet` is imported redundantly [INFO] [stdout] --> ustunet/examples/echo.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use ustunet; [INFO] [stdout] | ^^^^^^^ the item `ustunet` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.14s [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" "56f3f712bc1fbe60af10df8566d32dcd21d9f9d142600933b88a6e1d72191122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56f3f712bc1fbe60af10df8566d32dcd21d9f9d142600933b88a6e1d72191122", kill_on_drop: false }` [INFO] [stdout] 56f3f712bc1fbe60af10df8566d32dcd21d9f9d142600933b88a6e1d72191122