[INFO] cloning repository https://github.com/twitchax/rusty_socks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twitchax/rusty_socks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchax%2Frusty_socks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchax%2Frusty_socks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 39a81989a7e056f2f17d4d77b0385c498bc7601f [INFO] checking twitchax/rusty_socks against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchax%2Frusty_socks" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twitchax/rusty_socks 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/twitchax/rusty_socks [INFO] finished tweaking git repo https://github.com/twitchax/rusty_socks [INFO] tweaked toml for git repo https://github.com/twitchax/rusty_socks written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/twitchax/rusty_socks 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] Downloading crates ... [INFO] [stderr] Downloaded pnet_transport v0.28.0 [INFO] [stderr] Downloaded pnet_sys v0.28.0 [INFO] [stderr] Downloaded pnet v0.28.0 [INFO] [stderr] Downloaded pnet_datalink v0.28.0 [INFO] [stderr] Downloaded pnet_packet v0.28.0 [INFO] [stderr] Downloaded simple_logger v1.12.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a4402ab211736fe01345451228ef0eb477b6e042cd78149f7044314e6e0827e1 [INFO] running `Command { std: "docker" "start" "-a" "a4402ab211736fe01345451228ef0eb477b6e042cd78149f7044314e6e0827e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4402ab211736fe01345451228ef0eb477b6e042cd78149f7044314e6e0827e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4402ab211736fe01345451228ef0eb477b6e042cd78149f7044314e6e0827e1", kill_on_drop: false }` [INFO] [stdout] a4402ab211736fe01345451228ef0eb477b6e042cd78149f7044314e6e0827e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b65f435adc51fc0664d7e564fa31f59843b021a19baade901832fa56fe33ba95 [INFO] running `Command { std: "docker" "start" "-a" "b65f435adc51fc0664d7e564fa31f59843b021a19baade901832fa56fe33ba95", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Checking pnet_base v0.28.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling siphasher v0.3.6 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking pnet_sys v0.28.0 [INFO] [stderr] Checking pnet_macros_support v0.28.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Checking futures-io v0.3.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling pnet v0.28.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking simple_logger v1.12.1 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling pnet_macros v0.28.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking pnet_packet v0.28.0 [INFO] [stderr] Checking futures-executor v0.3.16 [INFO] [stderr] Checking futures v0.3.16 [INFO] [stderr] Checking pnet_transport v0.28.0 [INFO] [stderr] Checking ipnetwork v0.18.0 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking pnet_datalink v0.28.0 [INFO] [stderr] Checking rusty_socks v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/connection.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [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] --> src/helpers.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/connection.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [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] --> src/helpers.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `reserved` is never read [INFO] [stdout] --> src/request.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Request { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub reserved: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `reserved` is never read [INFO] [stdout] --> src/request.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Request { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub reserved: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.73s [INFO] running `Command { std: "docker" "inspect" "b65f435adc51fc0664d7e564fa31f59843b021a19baade901832fa56fe33ba95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b65f435adc51fc0664d7e564fa31f59843b021a19baade901832fa56fe33ba95", kill_on_drop: false }` [INFO] [stdout] b65f435adc51fc0664d7e564fa31f59843b021a19baade901832fa56fe33ba95 [INFO] checking twitchax/rusty_socks against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchax%2Frusty_socks" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twitchax/rusty_socks on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/twitchax/rusty_socks [INFO] finished tweaking git repo https://github.com/twitchax/rusty_socks [INFO] tweaked toml for git repo https://github.com/twitchax/rusty_socks written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/twitchax/rusty_socks already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 19574d97319dc168e85b733e95bed76b7273e4286cd06dbf0f5eb4f753b82646 [INFO] running `Command { std: "docker" "start" "-a" "19574d97319dc168e85b733e95bed76b7273e4286cd06dbf0f5eb4f753b82646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19574d97319dc168e85b733e95bed76b7273e4286cd06dbf0f5eb4f753b82646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19574d97319dc168e85b733e95bed76b7273e4286cd06dbf0f5eb4f753b82646", kill_on_drop: false }` [INFO] [stdout] 19574d97319dc168e85b733e95bed76b7273e4286cd06dbf0f5eb4f753b82646 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 284a9f5b8b43822bcb0462ebec7eadbed73b032e73e5c77a3aab5976104a3cd5 [INFO] running `Command { std: "docker" "start" "-a" "284a9f5b8b43822bcb0462ebec7eadbed73b032e73e5c77a3aab5976104a3cd5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking pnet_base v0.28.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling siphasher v0.3.6 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking pnet_sys v0.28.0 [INFO] [stderr] Checking pnet_macros_support v0.28.0 [INFO] [stderr] Checking futures-io v0.3.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling pnet v0.28.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking simple_logger v1.12.1 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling pnet_macros v0.28.0 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking pnet_packet v0.28.0 [INFO] [stderr] Checking futures-executor v0.3.16 [INFO] [stderr] Checking futures v0.3.16 [INFO] [stderr] Checking pnet_transport v0.28.0 [INFO] [stderr] Checking ipnetwork v0.18.0 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking pnet_datalink v0.28.0 [INFO] [stderr] Checking rusty_socks v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/connection.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [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] --> src/helpers.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/connection.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [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] --> src/helpers.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `reserved` is never read [INFO] [stdout] --> src/request.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Request { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub reserved: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `reserved` is never read [INFO] [stdout] --> src/request.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Request { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub reserved: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.20s [INFO] running `Command { std: "docker" "inspect" "284a9f5b8b43822bcb0462ebec7eadbed73b032e73e5c77a3aab5976104a3cd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "284a9f5b8b43822bcb0462ebec7eadbed73b032e73e5c77a3aab5976104a3cd5", kill_on_drop: false }` [INFO] [stdout] 284a9f5b8b43822bcb0462ebec7eadbed73b032e73e5c77a3aab5976104a3cd5