[INFO] fetching crate aquatic_ws_load_test 0.9.0...
[INFO] checking aquatic_ws_load_test-0.9.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate aquatic_ws_load_test 0.9.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate aquatic_ws_load_test 0.9.0
[INFO] finished tweaking crates.io crate aquatic_ws_load_test 0.9.0
[INFO] tweaked toml for crates.io crate aquatic_ws_load_test 0.9.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aquatic_ws_load_test 0.9.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aquatic_ws_load_test 0.9.0 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc7707698fe43ed2e20d63ac360dc6101e4a4a7c14201e87c791aa6f51fbe0ef
[INFO] running `Command { std: "docker" "start" "-a" "cc7707698fe43ed2e20d63ac360dc6101e4a4a7c14201e87c791aa6f51fbe0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7707698fe43ed2e20d63ac360dc6101e4a4a7c14201e87c791aa6f51fbe0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7707698fe43ed2e20d63ac360dc6101e4a4a7c14201e87c791aa6f51fbe0ef", kill_on_drop: false }`
[INFO] [stdout] cc7707698fe43ed2e20d63ac360dc6101e4a4a7c14201e87c791aa6f51fbe0ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c153b2ae6b64110ef8aa124135f38ba8b0d92cd339a313c124fcbaebe1a3804a
[INFO] running `Command { std: "docker" "start" "-a" "c153b2ae6b64110ef8aa124135f38ba8b0d92cd339a313c124fcbaebe1a3804a", kill_on_drop: false }`
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[INFO] [stdout] warning: field `response_peers` is never read
[INFO] [stdout]  --> src/common.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Statistics {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     pub requests: AtomicUsize,
[INFO] [stdout] 9 |     pub response_peers: AtomicUsize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `response_peers` is never read
[INFO] [stdout]  --> src/common.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Statistics {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     pub requests: AtomicUsize,
[INFO] [stdout] 9 |     pub response_peers: AtomicUsize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "c153b2ae6b64110ef8aa124135f38ba8b0d92cd339a313c124fcbaebe1a3804a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c153b2ae6b64110ef8aa124135f38ba8b0d92cd339a313c124fcbaebe1a3804a", kill_on_drop: false }`
[INFO] [stdout] c153b2ae6b64110ef8aa124135f38ba8b0d92cd339a313c124fcbaebe1a3804a
