[INFO] fetching crate tokio-udp 0.1.6... [INFO] checking tokio-udp-0.1.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tokio-udp 0.1.6 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate tokio-udp 0.1.6 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 crates.io crate tokio-udp 0.1.6 [INFO] finished tweaking crates.io crate tokio-udp 0.1.6 [INFO] tweaked toml for crates.io crate tokio-udp 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 45 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding env_logger v0.6.2 (latest: v0.11.3) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 18ef8343a5c2b1b678b79730c61dd0113bb2714e464eac4e1ad42bf75252cecb [INFO] running `Command { std: "docker" "start" "-a" "18ef8343a5c2b1b678b79730c61dd0113bb2714e464eac4e1ad42bf75252cecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18ef8343a5c2b1b678b79730c61dd0113bb2714e464eac4e1ad42bf75252cecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18ef8343a5c2b1b678b79730c61dd0113bb2714e464eac4e1ad42bf75252cecb", kill_on_drop: false }` [INFO] [stdout] 18ef8343a5c2b1b678b79730c61dd0113bb2714e464eac4e1ad42bf75252cecb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] db229a7544ebf93c95741021091718b67d8ed3a8caebba53280df7a1ec4160d0 [INFO] running `Command { std: "docker" "start" "-a" "db229a7544ebf93c95741021091718b67d8ed3a8caebba53280df7a1ec4160d0", kill_on_drop: false }` [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking parking_lot_core v0.6.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-udp v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `mio` is imported redundantly [INFO] [stdout] --> src/socket.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use mio; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate mio; [INFO] [stdout] | ----------------- the item `mio` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mio` is imported redundantly [INFO] [stdout] --> src/socket.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use mio; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate mio; [INFO] [stdout] | ----------------- the item `mio` is already imported here [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | fn send(&self, &mut UdpSocket, &[u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut UdpSocket` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:61:36 [INFO] [stdout] | [INFO] [stdout] 61 | fn send(&self, &mut UdpSocket, &[u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:61:43 [INFO] [stdout] | [INFO] [stdout] 61 | fn send(&self, &mut UdpSocket, &[u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &SocketAddr` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:127:20 [INFO] [stdout] | [INFO] [stdout] 127 | fn recv(&self, &mut UdpSocket, &mut [u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut UdpSocket` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:127:36 [INFO] [stdout] | [INFO] [stdout] 127 | fn recv(&self, &mut UdpSocket, &mut [u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [u8]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:127:47 [INFO] [stdout] | [INFO] [stdout] 127 | fn recv(&self, &mut UdpSocket, &mut [u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &SocketAddr` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s [INFO] running `Command { std: "docker" "inspect" "db229a7544ebf93c95741021091718b67d8ed3a8caebba53280df7a1ec4160d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db229a7544ebf93c95741021091718b67d8ed3a8caebba53280df7a1ec4160d0", kill_on_drop: false }` [INFO] [stdout] db229a7544ebf93c95741021091718b67d8ed3a8caebba53280df7a1ec4160d0 [INFO] checking tokio-udp-0.1.6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate tokio-udp 0.1.6 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate tokio-udp 0.1.6 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 crates.io crate tokio-udp 0.1.6 [INFO] finished tweaking crates.io crate tokio-udp 0.1.6 [INFO] tweaked toml for crates.io crate tokio-udp 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 661bde016d179cc662b3c62e9cd2db0cb364c7fb853049ad8108bbb6da39c459 [INFO] running `Command { std: "docker" "start" "-a" "661bde016d179cc662b3c62e9cd2db0cb364c7fb853049ad8108bbb6da39c459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "661bde016d179cc662b3c62e9cd2db0cb364c7fb853049ad8108bbb6da39c459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "661bde016d179cc662b3c62e9cd2db0cb364c7fb853049ad8108bbb6da39c459", kill_on_drop: false }` [INFO] [stdout] 661bde016d179cc662b3c62e9cd2db0cb364c7fb853049ad8108bbb6da39c459 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 62f116dbe66266f1cffb585316d0250c580bb9bc9ee8ea5a3eecdd5fe515a8fe [INFO] running `Command { std: "docker" "start" "-a" "62f116dbe66266f1cffb585316d0250c580bb9bc9ee8ea5a3eecdd5fe515a8fe", kill_on_drop: false }` [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking parking_lot_core v0.6.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-udp v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `mio` is imported redundantly [INFO] [stdout] --> src/socket.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use mio; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate mio; [INFO] [stdout] | ----------------- the item `mio` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mio` is imported redundantly [INFO] [stdout] --> src/socket.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use mio; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate mio; [INFO] [stdout] | ----------------- the item `mio` is already imported here [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | fn send(&self, &mut UdpSocket, &[u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut UdpSocket` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:61:36 [INFO] [stdout] | [INFO] [stdout] 61 | fn send(&self, &mut UdpSocket, &[u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:61:43 [INFO] [stdout] | [INFO] [stdout] 61 | fn send(&self, &mut UdpSocket, &[u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &SocketAddr` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:127:20 [INFO] [stdout] | [INFO] [stdout] 127 | fn recv(&self, &mut UdpSocket, &mut [u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut UdpSocket` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:127:36 [INFO] [stdout] | [INFO] [stdout] 127 | fn recv(&self, &mut UdpSocket, &mut [u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [u8]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> tests/udp.rs:127:47 [INFO] [stdout] | [INFO] [stdout] 127 | fn recv(&self, &mut UdpSocket, &mut [u8], &SocketAddr) -> Result; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &SocketAddr` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s [INFO] running `Command { std: "docker" "inspect" "62f116dbe66266f1cffb585316d0250c580bb9bc9ee8ea5a3eecdd5fe515a8fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62f116dbe66266f1cffb585316d0250c580bb9bc9ee8ea5a3eecdd5fe515a8fe", kill_on_drop: false }` [INFO] [stdout] 62f116dbe66266f1cffb585316d0250c580bb9bc9ee8ea5a3eecdd5fe515a8fe