[INFO] cloning repository https://github.com/drogus/warp-accept-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drogus/warp-accept-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrogus%2Fwarp-accept-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrogus%2Fwarp-accept-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 962d2b20fbab9f193585e89cfd562565769924f8
[INFO] checking drogus/warp-accept-benchmark against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrogus%2Fwarp-accept-benchmark" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drogus/warp-accept-benchmark 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/drogus/warp-accept-benchmark
[INFO] finished tweaking git repo https://github.com/drogus/warp-accept-benchmark
[INFO] tweaked toml for git repo https://github.com/drogus/warp-accept-benchmark written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/drogus/warp-accept-benchmark 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 indexmap v1.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 90251de2c62bcc55b2cef0567d66615ff3bed61960e272e29d884da25f1f4dc8
[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" "90251de2c62bcc55b2cef0567d66615ff3bed61960e272e29d884da25f1f4dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90251de2c62bcc55b2cef0567d66615ff3bed61960e272e29d884da25f1f4dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90251de2c62bcc55b2cef0567d66615ff3bed61960e272e29d884da25f1f4dc8", kill_on_drop: false }`
[INFO] [stdout] 90251de2c62bcc55b2cef0567d66615ff3bed61960e272e29d884da25f1f4dc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7aabdecf18001de21681c1cb9303309c21af721534e6fd4a2ec9b9b28dfd3396
[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" "7aabdecf18001de21681c1cb9303309c21af721534e6fd4a2ec9b9b28dfd3396", kill_on_drop: false }`
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[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking warp-accept-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ws_stream`
[INFO] [stdout]   --> src/stress_test.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 Ok((mut ws_stream, _)) => {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stress_test.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 Ok((mut ws_stream, _)) => {
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ws_stream`
[INFO] [stdout]   --> src/stress_test.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 Ok((mut ws_stream, _)) => {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stress_test.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 Ok((mut ws_stream, _)) => {
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "7aabdecf18001de21681c1cb9303309c21af721534e6fd4a2ec9b9b28dfd3396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aabdecf18001de21681c1cb9303309c21af721534e6fd4a2ec9b9b28dfd3396", kill_on_drop: false }`
[INFO] [stdout] 7aabdecf18001de21681c1cb9303309c21af721534e6fd4a2ec9b9b28dfd3396