[INFO] cloning repository https://github.com/ayourtch/scarust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayourtch/scarust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fscarust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fscarust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7a052eec3f4b16c479aa2f52eb75319c2539f11
[INFO] testing ayourtch/scarust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fscarust" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayourtch/scarust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayourtch/scarust
[INFO] finished tweaking git repo https://github.com/ayourtch/scarust
[INFO] tweaked toml for git repo https://github.com/ayourtch/scarust written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/ayourtch/scarust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6bab3494985b6f6c699c1446eb3e14639399722c9fbc69e7bb4d07e96ce3604
[INFO] running `Command { std: "docker" "start" "-a" "a6bab3494985b6f6c699c1446eb3e14639399722c9fbc69e7bb4d07e96ce3604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6bab3494985b6f6c699c1446eb3e14639399722c9fbc69e7bb4d07e96ce3604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bab3494985b6f6c699c1446eb3e14639399722c9fbc69e7bb4d07e96ce3604", kill_on_drop: false }`
[INFO] [stdout] a6bab3494985b6f6c699c1446eb3e14639399722c9fbc69e7bb4d07e96ce3604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f9a1a371a7aa2862e6f7bda621c8b0ea1a83f929da47ae219269c6325e111e
[INFO] running `Command { std: "docker" "start" "-a" "05f9a1a371a7aa2862e6f7bda621c8b0ea1a83f929da47ae219269c6325e111e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling scarust-derive v0.1.0 (/opt/rustwide/workdir/scarust-derive)
[INFO] [stdout] warning: unused imports: `Index`, `parse_macro_input`, `parse_quote`
[INFO] [stdout]   --> scarust-derive/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Index, Path,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Punct`, `Spacing`, `Span`, `TokenTree`
[INFO] [stdout]   --> scarust-derive/src/lib.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | use proc_macro2::{Punct, Spacing, Span, TokenTree};
[INFO] [stdout]    |                   ^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStreamExt`
[INFO] [stdout]   --> scarust-derive/src/lib.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use quote::{ToTokens, TokenStreamExt};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_param`
[INFO] [stdout]   --> scarust-derive/src/lib.rs:81:43
[INFO] [stdout]    |
[INFO] [stdout] 81 |         if let GenericParam::Type(ref mut type_param) = *param {
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_param`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]    --> scarust-derive/src/lib.rs:136:37
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 Fields::Unnamed(ref fields) => {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> scarust-derive/src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut tokens = quote! {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scarust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn div(mut self, rhs: T) -> Self::Output {
[INFO] [stdout]     |            ----^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.89s
[INFO] running `Command { std: "docker" "inspect" "05f9a1a371a7aa2862e6f7bda621c8b0ea1a83f929da47ae219269c6325e111e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f9a1a371a7aa2862e6f7bda621c8b0ea1a83f929da47ae219269c6325e111e", kill_on_drop: false }`
[INFO] [stdout] 05f9a1a371a7aa2862e6f7bda621c8b0ea1a83f929da47ae219269c6325e111e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e6876f231789bae7529a43a689fdafa6990ea00f2a973668331dc86f9dc30b
[INFO] running `Command { std: "docker" "start" "-a" "93e6876f231789bae7529a43a689fdafa6990ea00f2a973668331dc86f9dc30b", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Index`, `parse_macro_input`, `parse_quote`
[INFO] [stdout]   --> scarust-derive/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Index, Path,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Punct`, `Spacing`, `Span`, `TokenTree`
[INFO] [stdout]   --> scarust-derive/src/lib.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | use proc_macro2::{Punct, Spacing, Span, TokenTree};
[INFO] [stdout]    |                   ^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStreamExt`
[INFO] [stdout]   --> scarust-derive/src/lib.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use quote::{ToTokens, TokenStreamExt};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scarust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `type_param`
[INFO] [stdout]   --> scarust-derive/src/lib.rs:81:43
[INFO] [stdout]    |
[INFO] [stdout] 81 |         if let GenericParam::Type(ref mut type_param) = *param {
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_param`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]    --> scarust-derive/src/lib.rs:136:37
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 Fields::Unnamed(ref fields) => {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> scarust-derive/src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut tokens = quote! {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn div(mut self, rhs: T) -> Self::Output {
[INFO] [stdout]     |            ----^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scarust::LayerStack`
[INFO] [stdout]  --> examples/first.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use scarust::LayerStack;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> examples/first.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scarust::Layer`
[INFO] [stdout]  --> examples/first.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scarust::Layer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip`
[INFO] [stdout]   --> examples/first.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let ip = Ip::default();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ip` is never read
[INFO] [stdout]   --> examples/first.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut ip = IP!(
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layers2`
[INFO] [stdout]   --> examples/first.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let layers2 = layers.clone();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layers2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/first.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |             let mut ip: Ip = Default::default();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let layers3 = IP!() / udp.clone();
[INFO] [stdout]    |                   ----- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `IP` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn div(mut self, rhs: T) -> Self::Output {
[INFO] [stdout]     |            ----^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/scarust-0fef342c0975ff8b)
[INFO] running `Command { std: "docker" "inspect" "93e6876f231789bae7529a43a689fdafa6990ea00f2a973668331dc86f9dc30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e6876f231789bae7529a43a689fdafa6990ea00f2a973668331dc86f9dc30b", kill_on_drop: false }`
[INFO] [stdout] 93e6876f231789bae7529a43a689fdafa6990ea00f2a973668331dc86f9dc30b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21bba7719efd8906aa59751f6756c714c5d6bb9004d412b7ad1f58327f3b360a
[INFO] running `Command { std: "docker" "start" "-a" "21bba7719efd8906aa59751f6756c714c5d6bb9004d412b7ad1f58327f3b360a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Index`, `parse_macro_input`, `parse_quote`
[INFO] [stderr]   --> scarust-derive/src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Index, Path,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^                                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Punct`, `Spacing`, `Span`, `TokenTree`
[INFO] [stderr]   --> scarust-derive/src/lib.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | use proc_macro2::{Punct, Spacing, Span, TokenTree};
[INFO] [stderr]    |                   ^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TokenStreamExt`
[INFO] [stderr]   --> scarust-derive/src/lib.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 | use quote::{ToTokens, TokenStreamExt};
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_param`
[INFO] [stderr]   --> scarust-derive/src/lib.rs:81:43
[INFO] [stderr]    |
[INFO] [stderr] 81 |         if let GenericParam::Type(ref mut type_param) = *param {
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_param`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fields`
[INFO] [stderr]    --> scarust-derive/src/lib.rs:136:37
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 Fields::Unnamed(ref fields) => {
[INFO] [stderr]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> scarust-derive/src/lib.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut tokens = quote! {
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `scarust-derive` (lib) generated 6 warnings
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/lib.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/lib.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:219:12
[INFO] [stderr]     |
[INFO] [stderr] 219 |     fn div(mut self, rhs: T) -> Self::Output {
[INFO] [stderr]     |            ----^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `scarust` (lib) generated 3 warnings
[INFO] [stderr] warning: `scarust` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `scarust::LayerStack`
[INFO] [stderr]  --> examples/first.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use scarust::LayerStack;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> examples/first.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scarust::Layer`
[INFO] [stderr]  --> examples/first.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use scarust::Layer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip`
[INFO] [stderr]   --> examples/first.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let ip = Ip::default();
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ip` is never read
[INFO] [stderr]   --> examples/first.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut ip = IP!(
[INFO] [stderr]    |             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `layers2`
[INFO] [stderr]   --> examples/first.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let layers2 = layers.clone();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layers2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/first.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |             let mut ip: Ip = Default::default();
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 70 |     let layers3 = IP!() / udp.clone();
[INFO] [stderr]    |                   ----- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `IP` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `scarust` (example "first") generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scarust-0fef342c0975ff8b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scarust
[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" "21bba7719efd8906aa59751f6756c714c5d6bb9004d412b7ad1f58327f3b360a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21bba7719efd8906aa59751f6756c714c5d6bb9004d412b7ad1f58327f3b360a", kill_on_drop: false }`
[INFO] [stdout] 21bba7719efd8906aa59751f6756c714c5d6bb9004d412b7ad1f58327f3b360a