[INFO] cloning repository https://github.com/akitsu-sanae/microps-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akitsu-sanae/microps-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fmicrops-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fmicrops-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e217d2110e402a8a49909f08ea26725e2a9350cf
[INFO] testing akitsu-sanae/microps-rs against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fmicrops-rs" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akitsu-sanae/microps-rs on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akitsu-sanae/microps-rs
[INFO] finished tweaking git repo https://github.com/akitsu-sanae/microps-rs
[INFO] tweaked toml for git repo https://github.com/akitsu-sanae/microps-rs written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/akitsu-sanae/microps-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded ifstructs v0.1.1
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded hexdump v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 323d28b872a8648008e5b609ac684e5bf8b5c13f32fde1359ec21f2db309915c
[INFO] running `Command { std: "docker" "start" "-a" "323d28b872a8648008e5b609ac684e5bf8b5c13f32fde1359ec21f2db309915c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "323d28b872a8648008e5b609ac684e5bf8b5c13f32fde1359ec21f2db309915c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323d28b872a8648008e5b609ac684e5bf8b5c13f32fde1359ec21f2db309915c", kill_on_drop: false }`
[INFO] [stdout] 323d28b872a8648008e5b609ac684e5bf8b5c13f32fde1359ec21f2db309915c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f5d40e9dd337fcbe93b3b83afe7a5e628f6798797dcd701512f8d9cfeeca7d8
[INFO] running `Command { std: "docker" "start" "-a" "4f5d40e9dd337fcbe93b3b83afe7a5e628f6798797dcd701512f8d9cfeeca7d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling hexdump v0.1.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling ifstructs v0.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling microps-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/ethernet.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |             addr = { raw.addr()? };
[INFO] [stdout]     |                    ^^           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 125 -             addr = { raw.addr()? };
[INFO] [stdout] 125 +             addr = raw.addr()?;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/udp.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stdout]     |                         ^^                                ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 109 -             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stdout] 109 +             for port in SOURCE_PORT_MIN..SOURCE_PORT_MAX {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(wait_timeout_until)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `VecDeque::<T, A>::split_off` that must be used
[INFO] [stdout]   --> src/buffer.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             buf.0.split_off(after.len());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MutexGuard` in tuple element 0 that must be used
[INFO] [stdout]   --> src/udp.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 | /                 cond_pushed
[INFO] [stdout] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if unused the Mutex will immediately unlock
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/udp.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.94s
[INFO] running `Command { std: "docker" "inspect" "4f5d40e9dd337fcbe93b3b83afe7a5e628f6798797dcd701512f8d9cfeeca7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5d40e9dd337fcbe93b3b83afe7a5e628f6798797dcd701512f8d9cfeeca7d8", kill_on_drop: false }`
[INFO] [stdout] 4f5d40e9dd337fcbe93b3b83afe7a5e628f6798797dcd701512f8d9cfeeca7d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6ea0a8b515d0a6c95b8c0e99a89546f8ef0a5283c90f815c083369cd28dfd60
[INFO] running `Command { std: "docker" "start" "-a" "b6ea0a8b515d0a6c95b8c0e99a89546f8ef0a5283c90f815c083369cd28dfd60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling microps-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/ethernet.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |             addr = { raw.addr()? };
[INFO] [stdout]     |                    ^^           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 125 -             addr = { raw.addr()? };
[INFO] [stdout] 125 +             addr = raw.addr()?;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/udp.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stdout]     |                         ^^                                ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 109 -             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stdout] 109 +             for port in SOURCE_PORT_MIN..SOURCE_PORT_MAX {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(wait_timeout_until)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `VecDeque::<T, A>::split_off` that must be used
[INFO] [stdout]   --> src/buffer.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             buf.0.split_off(after.len());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MutexGuard` in tuple element 0 that must be used
[INFO] [stdout]   --> src/udp.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 | /                 cond_pushed
[INFO] [stdout] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if unused the Mutex will immediately unlock
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/udp.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/ethernet.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |             addr = { raw.addr()? };
[INFO] [stdout]     |                    ^^           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 125 -             addr = { raw.addr()? };
[INFO] [stdout] 125 +             addr = raw.addr()?;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/udp.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stdout]     |                         ^^                                ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 109 -             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stdout] 109 +             for port in SOURCE_PORT_MIN..SOURCE_PORT_MAX {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(wait_timeout_until)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `VecDeque::<T, A>::split_off` that must be used
[INFO] [stdout]   --> src/buffer.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             buf.0.split_off(after.len());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MutexGuard` in tuple element 0 that must be used
[INFO] [stdout]   --> src/udp.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 | /                 cond_pushed
[INFO] [stdout] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if unused the Mutex will immediately unlock
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/udp.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "b6ea0a8b515d0a6c95b8c0e99a89546f8ef0a5283c90f815c083369cd28dfd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ea0a8b515d0a6c95b8c0e99a89546f8ef0a5283c90f815c083369cd28dfd60", kill_on_drop: false }`
[INFO] [stdout] b6ea0a8b515d0a6c95b8c0e99a89546f8ef0a5283c90f815c083369cd28dfd60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85be8db6d8bd39a1e0138ae7d0ea8a3c223a490f7fcde361e17f108a647b3a6f
[INFO] running `Command { std: "docker" "start" "-a" "85be8db6d8bd39a1e0138ae7d0ea8a3c223a490f7fcde361e17f108a647b3a6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ethernet.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |             addr = { raw.addr()? };
[INFO] [stderr]     |                    ^^           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 125 -             addr = { raw.addr()? };
[INFO] [stderr] 125 +             addr = raw.addr()?;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/udp.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr]     |                         ^^                                ^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 109 -             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr] 109 +             for port in SOURCE_PORT_MIN..SOURCE_PORT_MAX {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(wait_timeout_until)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `VecDeque::<T, A>::split_off` that must be used
[INFO] [stderr]   --> src/buffer.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             buf.0.split_off(after.len());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused `MutexGuard` in tuple element 0 that must be used
[INFO] [stderr]   --> src/udp.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 | /                 cond_pushed
[INFO] [stderr] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stderr]    | |_______________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if unused the Mutex will immediately unlock
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/udp.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `microps-rs` (lib) generated 6 warnings
[INFO] [stderr] warning: `microps-rs` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/microps_rs-51c0a96c7313fedb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests microps-rs
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/ethernet.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |             addr = { raw.addr()? };
[INFO] [stderr]     |                    ^^           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 125 -             addr = { raw.addr()? };
[INFO] [stderr] 125 +             addr = raw.addr()?;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/udp.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr]     |                         ^^                                ^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 109 -             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr] 109 +             for port in SOURCE_PORT_MIN..SOURCE_PORT_MAX {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85be8db6d8bd39a1e0138ae7d0ea8a3c223a490f7fcde361e17f108a647b3a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85be8db6d8bd39a1e0138ae7d0ea8a3c223a490f7fcde361e17f108a647b3a6f", kill_on_drop: false }`
[INFO] [stdout] 85be8db6d8bd39a1e0138ae7d0ea8a3c223a490f7fcde361e17f108a647b3a6f