[INFO] cloning repository https://github.com/NeoLegends/sutp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NeoLegends/sutp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeoLegends%2Fsutp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeoLegends%2Fsutp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d66bdc4055d5d0769a31b6adf26ef3814120503 [INFO] checking NeoLegends/sutp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeoLegends%2Fsutp" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NeoLegends/sutp 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/NeoLegends/sutp [INFO] finished tweaking git repo https://github.com/NeoLegends/sutp [INFO] tweaked toml for git repo https://github.com/NeoLegends/sutp written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NeoLegends/sutp 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-reactor v0.1.7 [INFO] [stderr] Downloaded tokio-uds v0.2.4 [INFO] [stderr] Downloaded crossbeam-deque v0.6.2 [INFO] [stderr] Downloaded slab v0.4.1 [INFO] [stderr] Downloaded tokio-current-thread v0.1.4 [INFO] [stderr] Downloaded redox_syscall v0.1.44 [INFO] [stderr] Downloaded env_logger v0.6.0 [INFO] [stderr] Downloaded miniz_oxide_c_api v0.2.0 [INFO] [stderr] Downloaded rand v0.6.1 [INFO] [stderr] Downloaded miniz_oxide v0.2.0 [INFO] [stderr] Downloaded flate2 v1.0.5 [INFO] [stderr] Downloaded rand_chacha v0.1.0 [INFO] [stderr] Downloaded tokio-timer v0.2.8 [INFO] [stderr] Downloaded crossbeam-utils v0.6.1 [INFO] [stderr] Downloaded bytes v0.4.11 [INFO] [stderr] Downloaded futures v0.1.25 [INFO] [stderr] Downloaded tokio-fs v0.1.4 [INFO] [stderr] Downloaded tokio-tcp v0.1.2 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] [stderr] Downloaded rand_xorshift v0.1.0 [INFO] [stderr] Downloaded tokio-threadpool v0.1.9 [INFO] [stderr] Downloaded smallvec v0.6.7 [INFO] [stderr] Downloaded tokio-io v0.1.10 [INFO] [stderr] Downloaded rand_pcg v0.1.1 [INFO] [stderr] Downloaded tokio-udp v0.1.3 [INFO] [stderr] Downloaded tokio v0.1.13 [INFO] [stderr] Downloaded tokio-executor v0.1.5 [INFO] [stderr] Downloaded flate2-crc v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 89b7be7b7fc9efd5083207190ead5881383567fb7cc3070184491025fed2be7f [INFO] running `Command { std: "docker" "start" "-a" "89b7be7b7fc9efd5083207190ead5881383567fb7cc3070184491025fed2be7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89b7be7b7fc9efd5083207190ead5881383567fb7cc3070184491025fed2be7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89b7be7b7fc9efd5083207190ead5881383567fb7cc3070184491025fed2be7f", kill_on_drop: false }` [INFO] [stdout] 89b7be7b7fc9efd5083207190ead5881383567fb7cc3070184491025fed2be7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 41e577f39b26f286fdf38fdb799810ac7cb7050eafb62352b26c274c3359f3cb [INFO] running `Command { std: "docker" "start" "-a" "41e577f39b26f286fdf38fdb799810ac7cb7050eafb62352b26c274c3359f3cb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Compiling flate2-crc v0.1.1 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking sutp-futures v0.1.0 (/opt/rustwide/workdir/implementation/sutp-futures) [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking flate2 v1.0.5 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking sutp v0.1.0 (/opt/rustwide/workdir/implementation/sutp) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/accept.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use rand; [INFO] [stdout] | ^^^^ the item `rand` 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 `rand` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/connect.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/driver.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use tokio::{self, net::udp::UdpSocket}; [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/listener.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::{self, net::udp::UdpSocket}; [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stdout] warning: field `remote_seq_no` is never read [INFO] [stdout] --> implementation/sutp/src/connect.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 55 | struct Inner { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 77 | remote_seq_no: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `compression_algorithm` is never read [INFO] [stdout] --> implementation/sutp/src/stream.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct SutpStream { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 45 | /// The negotiated compression algorithm. [INFO] [stdout] 46 | compression_algorithm: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SutpStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> implementation/sutp/src/listener.rs:124:42 [INFO] [stdout] | [INFO] [stdout] 124 | Async::Ready(None) => panic!(POLL_AFTER_IO_ERR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 124 | Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::num::::saturating_sub` that must be used [INFO] [stdout] --> implementation/sutp/src/stream.rs:475:13 [INFO] [stdout] | [INFO] [stdout] 475 | / self.remote_window_size [INFO] [stdout] 476 | | .saturating_sub(outgoing.data.len() as u32); [INFO] [stdout] | |___________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the result of the operation, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 475 | let _ = self.remote_window_size [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking sutp-demo-client v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-client) [INFO] [stderr] Checking sutp-demo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-server) [INFO] [stderr] Checking sutp-echo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-echo-server) [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-echo-server/src/server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `env_logger` is imported redundantly [INFO] [stdout] --> implementation/sutp-echo-server/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-demo-server/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `env_logger` is imported redundantly [INFO] [stdout] --> implementation/sutp/tests/smoke.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` 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 `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/tests/smoke.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | self, [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-demo-client/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-demo-client/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-demo-server/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-echo-server/src/server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `env_logger` is imported redundantly [INFO] [stdout] --> implementation/sutp-echo-server/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/tests/demo.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/accept.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use rand; [INFO] [stdout] | ^^^^ the item `rand` 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 `rand` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/connect.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/driver.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use tokio::{self, net::udp::UdpSocket}; [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/listener.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::{self, net::udp::UdpSocket}; [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ErrorKind` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/segment.rs:448:9 [INFO] [stdout] | [INFO] [stdout] 447 | use super::*; [INFO] [stdout] | -------- the item `ErrorKind` is already imported here [INFO] [stdout] 448 | use std::io::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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: 1 warning emitted [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: field `remote_seq_no` is never read [INFO] [stdout] --> implementation/sutp/src/connect.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 55 | struct Inner { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 77 | remote_seq_no: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `compression_algorithm` is never read [INFO] [stdout] --> implementation/sutp/src/stream.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct SutpStream { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 45 | /// The negotiated compression algorithm. [INFO] [stdout] 46 | compression_algorithm: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SutpStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> implementation/sutp/src/listener.rs:124:42 [INFO] [stdout] | [INFO] [stdout] 124 | Async::Ready(None) => panic!(POLL_AFTER_IO_ERR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 124 | Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::num::::saturating_sub` that must be used [INFO] [stdout] --> implementation/sutp/src/stream.rs:475:13 [INFO] [stdout] | [INFO] [stdout] 475 | / self.remote_window_size [INFO] [stdout] 476 | | .saturating_sub(outgoing.data.len() as u32); [INFO] [stdout] | |___________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the result of the operation, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 475 | let _ = self.remote_window_size [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s [INFO] running `Command { std: "docker" "inspect" "41e577f39b26f286fdf38fdb799810ac7cb7050eafb62352b26c274c3359f3cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41e577f39b26f286fdf38fdb799810ac7cb7050eafb62352b26c274c3359f3cb", kill_on_drop: false }` [INFO] [stdout] 41e577f39b26f286fdf38fdb799810ac7cb7050eafb62352b26c274c3359f3cb [INFO] checking NeoLegends/sutp against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeoLegends%2Fsutp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NeoLegends/sutp on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NeoLegends/sutp [INFO] finished tweaking git repo https://github.com/NeoLegends/sutp [INFO] tweaked toml for git repo https://github.com/NeoLegends/sutp written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NeoLegends/sutp 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2820ec4c87bb7ce69200cc98b63289bcb8b68e0d5cb10660ca632c30e130b11 [INFO] running `Command { std: "docker" "start" "-a" "c2820ec4c87bb7ce69200cc98b63289bcb8b68e0d5cb10660ca632c30e130b11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2820ec4c87bb7ce69200cc98b63289bcb8b68e0d5cb10660ca632c30e130b11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2820ec4c87bb7ce69200cc98b63289bcb8b68e0d5cb10660ca632c30e130b11", kill_on_drop: false }` [INFO] [stdout] c2820ec4c87bb7ce69200cc98b63289bcb8b68e0d5cb10660ca632c30e130b11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6e226a671e88738f485f4ba1094dd696a2f7f88e880222badc81d1d06458ad5 [INFO] running `Command { std: "docker" "start" "-a" "a6e226a671e88738f485f4ba1094dd696a2f7f88e880222badc81d1d06458ad5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Compiling flate2-crc v0.1.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking sutp-futures v0.1.0 (/opt/rustwide/workdir/implementation/sutp-futures) [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking flate2 v1.0.5 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stderr] Checking sutp v0.1.0 (/opt/rustwide/workdir/implementation/sutp) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/accept.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use rand; [INFO] [stdout] | ^^^^ the item `rand` 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 `rand` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/connect.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/driver.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use tokio::{self, net::udp::UdpSocket}; [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/listener.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::{self, net::udp::UdpSocket}; [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/accept.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use rand; [INFO] [stdout] | ^^^^ the item `rand` 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 `rand` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/connect.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/driver.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use tokio::{self, net::udp::UdpSocket}; [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/listener.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::{self, net::udp::UdpSocket}; [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ErrorKind` is imported redundantly [INFO] [stdout] --> implementation/sutp/src/segment.rs:448:9 [INFO] [stdout] | [INFO] [stdout] 447 | use super::*; [INFO] [stdout] | -------- the item `ErrorKind` is already imported here [INFO] [stdout] 448 | use std::io::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `remote_seq_no` is never read [INFO] [stdout] --> implementation/sutp/src/connect.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 55 | struct Inner { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 77 | remote_seq_no: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `compression_algorithm` is never read [INFO] [stdout] --> implementation/sutp/src/stream.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct SutpStream { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 45 | /// The negotiated compression algorithm. [INFO] [stdout] 46 | compression_algorithm: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SutpStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> implementation/sutp/src/listener.rs:124:42 [INFO] [stdout] | [INFO] [stdout] 124 | Async::Ready(None) => panic!(POLL_AFTER_IO_ERR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 124 | Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::num::::saturating_sub` that must be used [INFO] [stdout] --> implementation/sutp/src/stream.rs:475:13 [INFO] [stdout] | [INFO] [stdout] 475 | / self.remote_window_size [INFO] [stdout] 476 | | .saturating_sub(outgoing.data.len() as u32); [INFO] [stdout] | |___________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the result of the operation, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 475 | let _ = self.remote_window_size [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking sutp-demo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-server) [INFO] [stderr] Checking sutp-demo-client v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-client) [INFO] [stderr] Checking sutp-echo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-echo-server) [INFO] [stdout] warning: field `remote_seq_no` is never read [INFO] [stdout] --> implementation/sutp/src/connect.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 55 | struct Inner { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 77 | remote_seq_no: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `compression_algorithm` is never read [INFO] [stdout] --> implementation/sutp/src/stream.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct SutpStream { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 45 | /// The negotiated compression algorithm. [INFO] [stdout] 46 | compression_algorithm: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SutpStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/tests/demo.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | self, [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> implementation/sutp/src/listener.rs:124:42 [INFO] [stdout] | [INFO] [stdout] 124 | Async::Ready(None) => panic!(POLL_AFTER_IO_ERR), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 124 | Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::num::::saturating_sub` that must be used [INFO] [stdout] --> implementation/sutp/src/stream.rs:475:13 [INFO] [stdout] | [INFO] [stdout] 475 | / self.remote_window_size [INFO] [stdout] 476 | | .saturating_sub(outgoing.data.len() as u32); [INFO] [stdout] | |___________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the result of the operation, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 475 | let _ = self.remote_window_size [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-demo-client/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-echo-server/src/server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `env_logger` is imported redundantly [INFO] [stdout] --> implementation/sutp-echo-server/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-demo-client/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-demo-server/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `env_logger` is imported redundantly [INFO] [stdout] --> implementation/sutp/tests/smoke.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` 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 `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp/tests/smoke.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | self, [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-echo-server/src/server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | self, [INFO] [stdout] | ^^^^ the item `tokio` 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 `env_logger` is imported redundantly [INFO] [stdout] --> implementation/sutp-echo-server/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> implementation/sutp-demo-server/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | self, [INFO] [stdout] | ^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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: 1 warning 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 4.24s [INFO] running `Command { std: "docker" "inspect" "a6e226a671e88738f485f4ba1094dd696a2f7f88e880222badc81d1d06458ad5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6e226a671e88738f485f4ba1094dd696a2f7f88e880222badc81d1d06458ad5", kill_on_drop: false }` [INFO] [stdout] a6e226a671e88738f485f4ba1094dd696a2f7f88e880222badc81d1d06458ad5