[INFO] cloning repository https://github.com/wradley/rust-virtual-network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wradley/rust-virtual-network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwradley%2Frust-virtual-network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwradley%2Frust-virtual-network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e45845eaf6deea2048ddc530d2a0c3c72787c00
[INFO] checking wradley/rust-virtual-network against try#51000a35bc99aeffdc092bf2226ab562eedb9eff for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwradley%2Frust-virtual-network" "/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/wradley/rust-virtual-network on toolchain 51000a35bc99aeffdc092bf2226ab562eedb9eff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wradley/rust-virtual-network
[INFO] finished tweaking git repo https://github.com/wradley/rust-virtual-network
[INFO] tweaked toml for git repo https://github.com/wradley/rust-virtual-network written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wradley/rust-virtual-network 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" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e038766c64df71649721a65f611322864f81eefab3881728831828e6f5537dd0
[INFO] running `Command { std: "docker" "start" "-a" "e038766c64df71649721a65f611322864f81eefab3881728831828e6f5537dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e038766c64df71649721a65f611322864f81eefab3881728831828e6f5537dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e038766c64df71649721a65f611322864f81eefab3881728831828e6f5537dd0", kill_on_drop: false }`
[INFO] [stdout] e038766c64df71649721a65f611322864f81eefab3881728831828e6f5537dd0
[INFO] checking wradley/rust-virtual-network against try#51000a35bc99aeffdc092bf2226ab562eedb9eff for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwradley%2Frust-virtual-network" "/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/wradley/rust-virtual-network on toolchain 51000a35bc99aeffdc092bf2226ab562eedb9eff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wradley/rust-virtual-network
[INFO] finished tweaking git repo https://github.com/wradley/rust-virtual-network
[INFO] tweaked toml for git repo https://github.com/wradley/rust-virtual-network written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wradley/rust-virtual-network 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" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 006c94e48e1a6230c29bcebcfd246fdc320edb9f344f82eff0d96d8dd31f6e13
[INFO] running `Command { std: "docker" "start" "-a" "006c94e48e1a6230c29bcebcfd246fdc320edb9f344f82eff0d96d8dd31f6e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "006c94e48e1a6230c29bcebcfd246fdc320edb9f344f82eff0d96d8dd31f6e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006c94e48e1a6230c29bcebcfd246fdc320edb9f344f82eff0d96d8dd31f6e13", kill_on_drop: false }`
[INFO] [stdout] 006c94e48e1a6230c29bcebcfd246fdc320edb9f344f82eff0d96d8dd31f6e13
[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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e437e5b28caee53aa856ae51e97b3170cf4dec35f9ab42a62c7e4b287a476418
[INFO] running `Command { std: "docker" "start" "-a" "e437e5b28caee53aa856ae51e97b3170cf4dec35f9ab42a62c7e4b287a476418", kill_on_drop: false }`
[INFO] [stderr]     Checking v_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/http_request.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum HttpRequestMethod {
[INFO] [stdout]    |          ----------------- variants in this enum
[INFO] [stdout] 7  |     GET,
[INFO] [stdout] 8  |     HEAD,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     POST,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     PUT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     DELETE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     TRACE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     OPTIONS,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     CONNECT,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     PATCH
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HTTP0_9`, `HTTP1_0`, and `HTTP2_0` are never constructed
[INFO] [stdout]  --> src/http_version.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum HttpVersion {
[INFO] [stdout]   |          ----------- variants in this enum
[INFO] [stdout] 2 |     HTTP0_9,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 3 |     HTTP1_0,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     HTTP1_1,
[INFO] [stdout] 5 |     HTTP2_0
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_byte_slice` is never used
[INFO] [stdout]  --> src/serializable.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub unsafe fn to_byte_slice<T>(data: &T) -> &[u8] {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_bytes` is never used
[INFO] [stdout]  --> src/serializable.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn to_bytes<T>(data: &T) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Serializable` is never used
[INFO] [stdout]   --> src/serializable.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Serializable {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/http_request.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum HttpRequestMethod {
[INFO] [stdout]    |          ----------------- variants in this enum
[INFO] [stdout] 7  |     GET,
[INFO] [stdout] 8  |     HEAD,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     POST,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     PUT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     DELETE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     TRACE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     OPTIONS,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     CONNECT,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     PATCH
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HTTP0_9`, `HTTP1_0`, and `HTTP2_0` are never constructed
[INFO] [stdout]  --> src/http_version.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum HttpVersion {
[INFO] [stdout]   |          ----------- variants in this enum
[INFO] [stdout] 2 |     HTTP0_9,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 3 |     HTTP1_0,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     HTTP1_1,
[INFO] [stdout] 5 |     HTTP2_0
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_byte_slice` is never used
[INFO] [stdout]  --> src/serializable.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub unsafe fn to_byte_slice<T>(data: &T) -> &[u8] {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_bytes` is never used
[INFO] [stdout]  --> src/serializable.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn to_bytes<T>(data: &T) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Serializable` is never used
[INFO] [stdout]   --> src/serializable.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Serializable {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "e437e5b28caee53aa856ae51e97b3170cf4dec35f9ab42a62c7e4b287a476418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e437e5b28caee53aa856ae51e97b3170cf4dec35f9ab42a62c7e4b287a476418", kill_on_drop: false }`
[INFO] [stdout] e437e5b28caee53aa856ae51e97b3170cf4dec35f9ab42a62c7e4b287a476418