[INFO] cloning repository https://github.com/r-bar/wgconfig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r-bar/wgconfig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-bar%2Fwgconfig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-bar%2Fwgconfig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba17c2faa4ed5f8dd22d9df4ec01206d6fb0b352
[INFO] checking r-bar/wgconfig against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-bar%2Fwgconfig" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r-bar/wgconfig on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/r-bar/wgconfig
[INFO] finished tweaking git repo https://github.com/r-bar/wgconfig
[INFO] tweaked toml for git repo https://github.com/r-bar/wgconfig written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/r-bar/wgconfig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[INFO] [stderr]   Downloaded ipnetwork v0.15.0
[INFO] [stderr]   Downloaded structopt v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c378a0e75a93991862f32c58035643c900f659b17c8db08cf2c6c149d73ef416
[INFO] running `Command { std: "docker" "start" "-a" "c378a0e75a93991862f32c58035643c900f659b17c8db08cf2c6c149d73ef416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c378a0e75a93991862f32c58035643c900f659b17c8db08cf2c6c149d73ef416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c378a0e75a93991862f32c58035643c900f659b17c8db08cf2c6c149d73ef416", kill_on_drop: false }`
[INFO] [stdout] c378a0e75a93991862f32c58035643c900f659b17c8db08cf2c6c149d73ef416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f386a8d107ef93a7d0b0f2b6a230729c6aaafe9de24f739f332e0c37c7304612
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f386a8d107ef93a7d0b0f2b6a230729c6aaafe9de24f739f332e0c37c7304612", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking ipnetwork v0.15.0
[INFO] [stderr]     Checking wgconfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `zones_by_name`
[INFO] [stdout]   --> src/network.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn zones_by_name(&self) -> HashMap<&str, &V4Zone> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zones_by_name`
[INFO] [stdout]   --> src/network.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn zones_by_name(&self) -> HashMap<&str, &V4Zone> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.64s
[INFO] running `Command { std: "docker" "inspect" "f386a8d107ef93a7d0b0f2b6a230729c6aaafe9de24f739f332e0c37c7304612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f386a8d107ef93a7d0b0f2b6a230729c6aaafe9de24f739f332e0c37c7304612", kill_on_drop: false }`
[INFO] [stdout] f386a8d107ef93a7d0b0f2b6a230729c6aaafe9de24f739f332e0c37c7304612