[INFO] fetching crate signalr-client 0.1.1...
[INFO] checking signalr-client-0.1.1 against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] extracting crate signalr-client 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate signalr-client 0.1.1
[INFO] finished tweaking crates.io crate signalr-client 0.1.1
[INFO] tweaked toml for crates.io crate signalr-client 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signalr-client 0.1.1 on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate signalr-client 0.1.1 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-log v0.2.17
[INFO] [stderr]   Downloaded test-log-macros v0.2.17
[INFO] [stderr]   Downloaded serde_repr v0.1.19
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[INFO] [stderr]   Downloaded tokio-websockets v0.11.3
[INFO] [stderr]   Downloaded ring v0.17.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ea98a6491f2507dfdb6ada6fc51b900d6a8e81f5592bbf90a47cbb07bd74e07
[INFO] running `Command { std: "docker" "start" "-a" "5ea98a6491f2507dfdb6ada6fc51b900d6a8e81f5592bbf90a47cbb07bd74e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea98a6491f2507dfdb6ada6fc51b900d6a8e81f5592bbf90a47cbb07bd74e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea98a6491f2507dfdb6ada6fc51b900d6a8e81f5592bbf90a47cbb07bd74e07", kill_on_drop: false }`
[INFO] [stdout] 5ea98a6491f2507dfdb6ada6fc51b900d6a8e81f5592bbf90a47cbb07bd74e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80cdaca6875f43d71cabe79cec885489f376bf72154017f0e08498334234f57
[INFO] running `Command { std: "docker" "start" "-a" "d80cdaca6875f43d71cabe79cec885489f376bf72154017f0e08498334234f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stderr]     Checking signalr-client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestEntity` is never constructed
[INFO] [stdout]  --> src/tests/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TestEntity {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HandshakeResponse` is never constructed
[INFO] [stdout]   --> src/protocol/negotiate.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct HandshakeResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Close` is never constructed
[INFO] [stdout]   --> src/protocol/negotiate.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Close {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CancelInvocation` is never constructed
[INFO] [stdout]    --> src/protocol/invoke.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct CancelInvocation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Close` is never constructed
[INFO] [stdout]  --> src/protocol/close.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Close {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HandshakeResponse` is never constructed
[INFO] [stdout]   --> src/protocol/negotiate.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct HandshakeResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Close` is never constructed
[INFO] [stdout]   --> src/protocol/negotiate.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Close {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CancelInvocation` is never constructed
[INFO] [stdout]    --> src/protocol/invoke.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct CancelInvocation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Close` is never constructed
[INFO] [stdout]  --> src/protocol/close.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Close {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.93s
[INFO] running `Command { std: "docker" "inspect" "d80cdaca6875f43d71cabe79cec885489f376bf72154017f0e08498334234f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80cdaca6875f43d71cabe79cec885489f376bf72154017f0e08498334234f57", kill_on_drop: false }`
[INFO] [stdout] d80cdaca6875f43d71cabe79cec885489f376bf72154017f0e08498334234f57