[INFO] fetching crate udp_connector 0.1.0... [INFO] checking udp_connector-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate udp_connector 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate udp_connector 0.1.0 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 udp_connector 0.1.0 [INFO] finished tweaking crates.io crate udp_connector 0.1.0 [INFO] tweaked toml for crates.io crate udp_connector 0.1.0 written to /workspace/builds/worker-4-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] Updating crates.io index [INFO] [stderr] Locking 29 packages [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b3e1b0fe085e145ca3f395400714ade15f251454f16076d9e6b2f4799e184687 [INFO] running `Command { std: "docker" "start" "-a" "b3e1b0fe085e145ca3f395400714ade15f251454f16076d9e6b2f4799e184687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3e1b0fe085e145ca3f395400714ade15f251454f16076d9e6b2f4799e184687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3e1b0fe085e145ca3f395400714ade15f251454f16076d9e6b2f4799e184687", kill_on_drop: false }` [INFO] [stdout] b3e1b0fe085e145ca3f395400714ade15f251454f16076d9e6b2f4799e184687 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3ef3fc67024a80c517c94ea7075546d03307cce955a0d2131d2cee7e48269c8d [INFO] running `Command { std: "docker" "start" "-a" "3ef3fc67024a80c517c94ea7075546d03307cce955a0d2131d2cee7e48269c8d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking udp_connector v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ErrorKind` is imported redundantly [INFO] [stdout] --> src/test/proxy.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::*; [INFO] [stdout] | -------- the item `ErrorKind` is already imported here [INFO] [stdout] 2 | use std::io::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `NonZeroU64` is imported redundantly [INFO] [stdout] --> src/test/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::*; [INFO] [stdout] | -------- the item `NonZeroU64` is already imported here [INFO] [stdout] 5 | use std::num::NonZeroU64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:420:18 [INFO] [stdout] | [INFO] [stdout] 420 | socket: &mut Socket, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 420 | socket: &mut dyn Socket, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:178:44 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn connect(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 178 | pub fn connect(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn receive_from(&mut self, socket: &mut Socket) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 203 | pub fn receive_from(&mut self, socket: &mut dyn Socket) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:230:55 [INFO] [stdout] | [INFO] [stdout] 230 | pub fn update_and_receive(&mut self, socket: &mut Socket) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | pub fn update_and_receive(&mut self, socket: &mut dyn Socket) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:236:43 [INFO] [stdout] | [INFO] [stdout] 236 | pub fn update(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 236 | pub fn update(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:274:22 [INFO] [stdout] | [INFO] [stdout] 274 | socket: &mut Socket, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 274 | socket: &mut dyn Socket, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:342:42 [INFO] [stdout] | [INFO] [stdout] 342 | fn send_ping(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 342 | fn send_ping(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:382:53 [INFO] [stdout] | [INFO] [stdout] 382 | pub fn send_unconfirmed(&mut self, socket: &mut Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 382 | pub fn send_unconfirmed(&mut self, socket: &mut dyn Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:395:51 [INFO] [stdout] | [INFO] [stdout] 395 | pub fn send_confirmed(&mut self, socket: &mut Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 395 | pub fn send_confirmed(&mut self, socket: &mut dyn Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:420:18 [INFO] [stdout] | [INFO] [stdout] 420 | socket: &mut Socket, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 420 | socket: &mut dyn Socket, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:178:44 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn connect(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 178 | pub fn connect(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn receive_from(&mut self, socket: &mut Socket) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 203 | pub fn receive_from(&mut self, socket: &mut dyn Socket) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:230:55 [INFO] [stdout] | [INFO] [stdout] 230 | pub fn update_and_receive(&mut self, socket: &mut Socket) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | pub fn update_and_receive(&mut self, socket: &mut dyn Socket) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:236:43 [INFO] [stdout] | [INFO] [stdout] 236 | pub fn update(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 236 | pub fn update(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:274:22 [INFO] [stdout] | [INFO] [stdout] 274 | socket: &mut Socket, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 274 | socket: &mut dyn Socket, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:342:42 [INFO] [stdout] | [INFO] [stdout] 342 | fn send_ping(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 342 | fn send_ping(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:382:53 [INFO] [stdout] | [INFO] [stdout] 382 | pub fn send_unconfirmed(&mut self, socket: &mut Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 382 | pub fn send_unconfirmed(&mut self, socket: &mut dyn Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:395:51 [INFO] [stdout] | [INFO] [stdout] 395 | pub fn send_confirmed(&mut self, socket: &mut Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 395 | pub fn send_confirmed(&mut self, socket: &mut dyn Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.99s [INFO] running `Command { std: "docker" "inspect" "3ef3fc67024a80c517c94ea7075546d03307cce955a0d2131d2cee7e48269c8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ef3fc67024a80c517c94ea7075546d03307cce955a0d2131d2cee7e48269c8d", kill_on_drop: false }` [INFO] [stdout] 3ef3fc67024a80c517c94ea7075546d03307cce955a0d2131d2cee7e48269c8d [INFO] checking udp_connector-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate udp_connector 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate udp_connector 0.1.0 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 crates.io crate udp_connector 0.1.0 [INFO] finished tweaking crates.io crate udp_connector 0.1.0 [INFO] tweaked toml for crates.io crate udp_connector 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 29 packages [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 92245202c9ed940f0360ecfc368a54f988a1a8eecf6d64f4659417a05b99fe7f [INFO] running `Command { std: "docker" "start" "-a" "92245202c9ed940f0360ecfc368a54f988a1a8eecf6d64f4659417a05b99fe7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92245202c9ed940f0360ecfc368a54f988a1a8eecf6d64f4659417a05b99fe7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92245202c9ed940f0360ecfc368a54f988a1a8eecf6d64f4659417a05b99fe7f", kill_on_drop: false }` [INFO] [stdout] 92245202c9ed940f0360ecfc368a54f988a1a8eecf6d64f4659417a05b99fe7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 28c271c82e7ca1241097d2d1dda55919fd637bb14e2754f283269ebe622e3791 [INFO] running `Command { std: "docker" "start" "-a" "28c271c82e7ca1241097d2d1dda55919fd637bb14e2754f283269ebe622e3791", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking udp_connector v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:420:18 [INFO] [stdout] | [INFO] [stdout] 420 | socket: &mut Socket, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 420 | socket: &mut dyn Socket, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:178:44 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn connect(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 178 | pub fn connect(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn receive_from(&mut self, socket: &mut Socket) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 203 | pub fn receive_from(&mut self, socket: &mut dyn Socket) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:230:55 [INFO] [stdout] | [INFO] [stdout] 230 | pub fn update_and_receive(&mut self, socket: &mut Socket) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | pub fn update_and_receive(&mut self, socket: &mut dyn Socket) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:236:43 [INFO] [stdout] | [INFO] [stdout] 236 | pub fn update(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 236 | pub fn update(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:274:22 [INFO] [stdout] | [INFO] [stdout] 274 | socket: &mut Socket, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 274 | socket: &mut dyn Socket, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:342:42 [INFO] [stdout] | [INFO] [stdout] 342 | fn send_ping(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 342 | fn send_ping(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:382:53 [INFO] [stdout] | [INFO] [stdout] 382 | pub fn send_unconfirmed(&mut self, socket: &mut Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 382 | pub fn send_unconfirmed(&mut self, socket: &mut dyn Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:395:51 [INFO] [stdout] | [INFO] [stdout] 395 | pub fn send_confirmed(&mut self, socket: &mut Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 395 | pub fn send_confirmed(&mut self, socket: &mut dyn Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ErrorKind` is imported redundantly [INFO] [stdout] --> src/test/proxy.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::*; [INFO] [stdout] | -------- the item `ErrorKind` is already imported here [INFO] [stdout] 2 | use std::io::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `NonZeroU64` is imported redundantly [INFO] [stdout] --> src/test/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::*; [INFO] [stdout] | -------- the item `NonZeroU64` is already imported here [INFO] [stdout] 5 | use std::num::NonZeroU64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:420:18 [INFO] [stdout] | [INFO] [stdout] 420 | socket: &mut Socket, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 420 | socket: &mut dyn Socket, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:178:44 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn connect(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 178 | pub fn connect(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn receive_from(&mut self, socket: &mut Socket) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 203 | pub fn receive_from(&mut self, socket: &mut dyn Socket) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:230:55 [INFO] [stdout] | [INFO] [stdout] 230 | pub fn update_and_receive(&mut self, socket: &mut Socket) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | pub fn update_and_receive(&mut self, socket: &mut dyn Socket) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:236:43 [INFO] [stdout] | [INFO] [stdout] 236 | pub fn update(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 236 | pub fn update(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:274:22 [INFO] [stdout] | [INFO] [stdout] 274 | socket: &mut Socket, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 274 | socket: &mut dyn Socket, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:342:42 [INFO] [stdout] | [INFO] [stdout] 342 | fn send_ping(&mut self, socket: &mut Socket) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 342 | fn send_ping(&mut self, socket: &mut dyn Socket) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:382:53 [INFO] [stdout] | [INFO] [stdout] 382 | pub fn send_unconfirmed(&mut self, socket: &mut Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 382 | pub fn send_unconfirmed(&mut self, socket: &mut dyn Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:395:51 [INFO] [stdout] | [INFO] [stdout] 395 | pub fn send_confirmed(&mut self, socket: &mut Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 395 | pub fn send_confirmed(&mut self, socket: &mut dyn Socket, msg: TParam::TSend) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.90s [INFO] running `Command { std: "docker" "inspect" "28c271c82e7ca1241097d2d1dda55919fd637bb14e2754f283269ebe622e3791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28c271c82e7ca1241097d2d1dda55919fd637bb14e2754f283269ebe622e3791", kill_on_drop: false }` [INFO] [stdout] 28c271c82e7ca1241097d2d1dda55919fd637bb14e2754f283269ebe622e3791