[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50bd5941d0d6665098885314712d8fc9f2e8c79e
[INFO] testing wradley/rust-virtual-network against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwradley%2Frust-virtual-network" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wradley/rust-virtual-network on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52095440104100eb58ce8e92c7fe86b74dbf1f016074a1eee85bf4ce15b5c03
[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" "e52095440104100eb58ce8e92c7fe86b74dbf1f016074a1eee85bf4ce15b5c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52095440104100eb58ce8e92c7fe86b74dbf1f016074a1eee85bf4ce15b5c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52095440104100eb58ce8e92c7fe86b74dbf1f016074a1eee85bf4ce15b5c03", kill_on_drop: false }`
[INFO] [stdout] e52095440104100eb58ce8e92c7fe86b74dbf1f016074a1eee85bf4ce15b5c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b2b5a3d17a7630d75536b25d5728f64213ae17201dad4b7a65d5474cbd17a2
[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" "66b2b5a3d17a7630d75536b25d5728f64213ae17201dad4b7a65d5474cbd17a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling v_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `HTTP0_9`
[INFO] [stdout]  --> src/http_version.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     HTTP0_9,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HTTP1_0`
[INFO] [stdout]  --> src/http_version.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     HTTP1_0,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HTTP2_0`
[INFO] [stdout]  --> src/http_version.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     HTTP2_0
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HEAD`
[INFO] [stdout]  --> src/http_request.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     HEAD,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `POST`
[INFO] [stdout]  --> src/http_request.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     POST,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUT`
[INFO] [stdout]   --> src/http_request.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     PUT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]   --> src/http_request.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DELETE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]   --> src/http_request.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TRACE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPTIONS`
[INFO] [stdout]   --> src/http_request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     OPTIONS,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CONNECT`
[INFO] [stdout]   --> src/http_request.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CONNECT,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PATCH`
[INFO] [stdout]   --> src/http_request.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     PATCH
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_bytes`
[INFO] [stdout]  --> src/serializable.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub unsafe fn to_bytes<T>(data: &T) -> &[u8] {
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "66b2b5a3d17a7630d75536b25d5728f64213ae17201dad4b7a65d5474cbd17a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b2b5a3d17a7630d75536b25d5728f64213ae17201dad4b7a65d5474cbd17a2", kill_on_drop: false }`
[INFO] [stdout] 66b2b5a3d17a7630d75536b25d5728f64213ae17201dad4b7a65d5474cbd17a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", 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] cf8f434e4bdef670b5dea7db450da043565174799b8b6fe6a1451271c4bbb669
[INFO] running `Command { std: "docker" "start" "-a" "cf8f434e4bdef670b5dea7db450da043565174799b8b6fe6a1451271c4bbb669", kill_on_drop: false }`
[INFO] [stderr]    Compiling v_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `HTTP0_9`
[INFO] [stdout]  --> src/http_version.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     HTTP0_9,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HTTP1_0`
[INFO] [stdout]  --> src/http_version.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     HTTP1_0,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HTTP2_0`
[INFO] [stdout]  --> src/http_version.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     HTTP2_0
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HEAD`
[INFO] [stdout]  --> src/http_request.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     HEAD,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `POST`
[INFO] [stdout]  --> src/http_request.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     POST,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUT`
[INFO] [stdout]   --> src/http_request.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     PUT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]   --> src/http_request.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DELETE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]   --> src/http_request.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TRACE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPTIONS`
[INFO] [stdout]   --> src/http_request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     OPTIONS,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CONNECT`
[INFO] [stdout]   --> src/http_request.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CONNECT,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PATCH`
[INFO] [stdout]   --> src/http_request.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     PATCH
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_bytes`
[INFO] [stdout]  --> src/serializable.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub unsafe fn to_bytes<T>(data: &T) -> &[u8] {
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "cf8f434e4bdef670b5dea7db450da043565174799b8b6fe6a1451271c4bbb669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8f434e4bdef670b5dea7db450da043565174799b8b6fe6a1451271c4bbb669", kill_on_drop: false }`
[INFO] [stdout] cf8f434e4bdef670b5dea7db450da043565174799b8b6fe6a1451271c4bbb669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0531e9d93c03c3427ec68ae47cb35780cfdc40faebf51d04d790bf286eec49e5
[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" "0531e9d93c03c3427ec68ae47cb35780cfdc40faebf51d04d790bf286eec49e5", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `HTTP0_9`
[INFO] [stderr]  --> src/http_version.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     HTTP0_9,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HTTP1_0`
[INFO] [stderr]  --> src/http_version.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     HTTP1_0,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HTTP2_0`
[INFO] [stderr]  --> src/http_version.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     HTTP2_0
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HEAD`
[INFO] [stderr]  --> src/http_request.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     HEAD,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `POST`
[INFO] [stderr]  --> src/http_request.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     POST,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PUT`
[INFO] [stderr]   --> src/http_request.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     PUT,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DELETE`
[INFO] [stderr]   --> src/http_request.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     DELETE,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TRACE`
[INFO] [stderr]   --> src/http_request.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     TRACE,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OPTIONS`
[INFO] [stderr]   --> src/http_request.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     OPTIONS,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CONNECT`
[INFO] [stderr]   --> src/http_request.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     CONNECT,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PATCH`
[INFO] [stderr]   --> src/http_request.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     PATCH
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_bytes`
[INFO] [stderr]  --> src/serializable.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub unsafe fn to_bytes<T>(data: &T) -> &[u8] {
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/v_net-c1e7cfac22d4aa5a
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0531e9d93c03c3427ec68ae47cb35780cfdc40faebf51d04d790bf286eec49e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0531e9d93c03c3427ec68ae47cb35780cfdc40faebf51d04d790bf286eec49e5", kill_on_drop: false }`
[INFO] [stdout] 0531e9d93c03c3427ec68ae47cb35780cfdc40faebf51d04d790bf286eec49e5