[INFO] fetching crate socket_io_server 0.1.0...
[INFO] testing socket_io_server-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate socket_io_server 0.1.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate socket_io_server 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate socket_io_server 0.1.0
[INFO] finished tweaking crates.io crate socket_io_server 0.1.0
[INFO] tweaked toml for crates.io crate socket_io_server 0.1.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b52928fe3b805fb5a26d58fdc11af45b11d3565d5c331264e4b014bce273d53
[INFO] running `Command { std: "docker" "start" "-a" "5b52928fe3b805fb5a26d58fdc11af45b11d3565d5c331264e4b014bce273d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b52928fe3b805fb5a26d58fdc11af45b11d3565d5c331264e4b014bce273d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b52928fe3b805fb5a26d58fdc11af45b11d3565d5c331264e4b014bce273d53", kill_on_drop: false }`
[INFO] [stdout] 5b52928fe3b805fb5a26d58fdc11af45b11d3565d5c331264e4b014bce273d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee2ff72a685416f10366b4cbcab3a7ff0dd23e3d3b8ebf1c11d318da16cb3dbd
[INFO] running `Command { std: "docker" "start" "-a" "ee2ff72a685416f10366b4cbcab3a7ff0dd23e3d3b8ebf1c11d318da16cb3dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling urlencoding v1.3.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling headers v0.3.5
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling engine_io_parser v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling pin-project v0.4.28
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling engine_io_server v0.1.0
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling warp v0.2.5
[INFO] [stderr]    Compiling socket_io_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `adapter`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     adapter: A,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.39s
[INFO] running `Command { std: "docker" "inspect" "ee2ff72a685416f10366b4cbcab3a7ff0dd23e3d3b8ebf1c11d318da16cb3dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2ff72a685416f10366b4cbcab3a7ff0dd23e3d3b8ebf1c11d318da16cb3dbd", kill_on_drop: false }`
[INFO] [stdout] ee2ff72a685416f10366b4cbcab3a7ff0dd23e3d3b8ebf1c11d318da16cb3dbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd4e37aec440a8b4a9f910dabcf18a2ce04381e8af2514bd438756ec1cb205b
[INFO] running `Command { std: "docker" "start" "-a" "fdd4e37aec440a8b4a9f910dabcf18a2ce04381e8af2514bd438756ec1cb205b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling socket_io_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `adapter`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     adapter: A,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `adapter`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     adapter: A,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "fdd4e37aec440a8b4a9f910dabcf18a2ce04381e8af2514bd438756ec1cb205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd4e37aec440a8b4a9f910dabcf18a2ce04381e8af2514bd438756ec1cb205b", kill_on_drop: false }`
[INFO] [stdout] fdd4e37aec440a8b4a9f910dabcf18a2ce04381e8af2514bd438756ec1cb205b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0762e43dec98a86f0f52b808da7cb0316d4beea91af1023646da5e0fe4a3e77d
[INFO] running `Command { std: "docker" "start" "-a" "0762e43dec98a86f0f52b808da7cb0316d4beea91af1023646da5e0fe4a3e77d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `adapter`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     adapter: A,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `socket_io_server` (lib) generated 1 warning
[INFO] [stderr] warning: `socket_io_server` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/socket_io_server-79ef28bc5d58e58b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests socket_io_server
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0762e43dec98a86f0f52b808da7cb0316d4beea91af1023646da5e0fe4a3e77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0762e43dec98a86f0f52b808da7cb0316d4beea91af1023646da5e0fe4a3e77d", kill_on_drop: false }`
[INFO] [stdout] 0762e43dec98a86f0f52b808da7cb0316d4beea91af1023646da5e0fe4a3e77d