[INFO] cloning repository https://github.com/fourbs-net/wg-maestro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fourbs-net/wg-maestro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffourbs-net%2Fwg-maestro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffourbs-net%2Fwg-maestro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bf33632ed65ec9f36ffd3c773d3f4bc54b14ea2
[INFO] checking fourbs-net/wg-maestro against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffourbs-net%2Fwg-maestro" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fourbs-net/wg-maestro on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fourbs-net/wg-maestro
[INFO] finished tweaking git repo https://github.com/fourbs-net/wg-maestro
[INFO] tweaked toml for git repo https://github.com/fourbs-net/wg-maestro written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fourbs-net/wg-maestro 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/jbaublitz/neli.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "d17beb44fc92ee0edd6ae0c0e0992ddc33c440205db022b4af9e3d4eb8fd80ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17beb44fc92ee0edd6ae0c0e0992ddc33c440205db022b4af9e3d4eb8fd80ae", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a0ead6907fa784a11edad0f224160bdc9cada12ef3937c73ec1c26f63feb43d3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking futures-util v0.3.12
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[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking wireguard-uapi v1.0.5
[INFO] [stderr]     Checking futures-executor v0.3.12
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[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking wg-maestro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `LevelFilter` is imported redundantly
[INFO] [stdout]  --> src/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::LevelFilter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 | use log::*;
[INFO] [stdout]   |     ------ the item `LevelFilter` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LevelFilter` is imported redundantly
[INFO] [stdout]  --> src/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::LevelFilter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 | use log::*;
[INFO] [stdout]   |     ------ the item `LevelFilter` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpNetwork`
[INFO] [stdout]  --> src/common.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ipnetwork::{IpNetwork, Ipv6Network};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpNetwork`
[INFO] [stdout]  --> src/common.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ipnetwork::{IpNetwork, Ipv6Network};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `new_connection`
[INFO] [stdout]  --> src/common.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rtnetlink::{new_connection, Error, Handle};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/server/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{IpAddr, SocketAddr};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `new_connection`
[INFO] [stdout]  --> src/common.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rtnetlink::{new_connection, Error, Handle};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpNet`
[INFO] [stdout]  --> src/server/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ipnet::{IpNet, Ipv6Net};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/server/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{IpAddr, SocketAddr};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ipnetwork::Ipv6Network`
[INFO] [stdout]  --> src/server/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ipnetwork::Ipv6Network;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpNet`
[INFO] [stdout]  --> src/server/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ipnet::{IpNet, Ipv6Net};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Handle`
[INFO] [stdout]  --> src/server/mod.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rtnetlink::{new_connection, Error, Handle};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ipnetwork::Ipv6Network`
[INFO] [stdout]  --> src/server/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ipnetwork::Ipv6Network;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Handle`
[INFO] [stdout]  --> src/server/mod.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rtnetlink::{new_connection, Error, Handle};
[INFO] [stdout]   |                                 ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opts` is never read
[INFO] [stdout]   --> src/cli.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Application {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 49 |     opts: Opts,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opts` is never read
[INFO] [stdout]   --> src/cli.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Application {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 49 |     opts: Opts,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "a0ead6907fa784a11edad0f224160bdc9cada12ef3937c73ec1c26f63feb43d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ead6907fa784a11edad0f224160bdc9cada12ef3937c73ec1c26f63feb43d3", kill_on_drop: false }`
[INFO] [stdout] a0ead6907fa784a11edad0f224160bdc9cada12ef3937c73ec1c26f63feb43d3