[INFO] cloning repository https://github.com/ffwng/cartographers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffwng/cartographers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffwng%2Fcartographers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffwng%2Fcartographers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44338a44a396dc0641ab20bcb4e681e4e4e8f3bd
[INFO] checking ffwng/cartographers against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffwng%2Fcartographers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ffwng/cartographers
[INFO] finished tweaking git repo https://github.com/ffwng/cartographers
[INFO] tweaked toml for git repo https://github.com/ffwng/cartographers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ffwng/cartographers on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ffwng/cartographers 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded enum-map-derive v0.6.0
[INFO] [stderr] Downloaded enum-map v1.1.1
[INFO] [stderr] Downloaded proc-macro2 v1.0.34
[INFO] [stderr] Downloaded syn v1.0.82
[INFO] [stderr] Downloaded tungstenite v0.16.0
[INFO] [stderr] Downloaded serde_json v1.0.73
[INFO] [stderr] Downloaded serde v1.0.132
[INFO] [stderr] Downloaded structopt v0.3.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47e8f64a460a7af2e0e59536d57cd9ec0f9e3023657837ea415b126afdf8a663
[INFO] running `Command { std: "docker" "start" "-a" "47e8f64a460a7af2e0e59536d57cd9ec0f9e3023657837ea415b126afdf8a663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e8f64a460a7af2e0e59536d57cd9ec0f9e3023657837ea415b126afdf8a663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e8f64a460a7af2e0e59536d57cd9ec0f9e3023657837ea415b126afdf8a663", kill_on_drop: false }`
[INFO] [stdout] 47e8f64a460a7af2e0e59536d57cd9ec0f9e3023657837ea415b126afdf8a663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a596e006c4efc61c4b3fc9e0c5ffd3a0f7e4b963804bdd2a2718f9f89b10ee7
[INFO] running `Command { std: "docker" "start" "-a" "4a596e006c4efc61c4b3fc9e0c5ffd3a0f7e4b963804bdd2a2718f9f89b10ee7", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.34
[INFO] [stderr] Compiling syn v1.0.82
[INFO] [stderr] Compiling libc v0.2.112
[INFO] [stderr] Compiling generic-array v0.14.4
[INFO] [stderr] Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr] Checking tinyvec_macros v0.1.0
[INFO] [stderr] Compiling proc-macro-error v1.0.4
[INFO] [stderr] Checking matches v0.1.9
[INFO] [stderr] Checking tinyvec v1.5.1
[INFO] [stderr] Compiling serde v1.0.132
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Checking unicode-bidi v0.3.7
[INFO] [stderr] Compiling unicode-segmentation v1.8.0
[INFO] [stderr] Checking unicode-width v0.1.9
[INFO] [stderr] Checking textwrap v0.11.0
[INFO] [stderr] Checking form_urlencoded v1.0.1
[INFO] [stderr] Checking strsim v0.8.0
[INFO] [stderr] Checking digest v0.9.0
[INFO] [stderr] Checking block-buffer v0.9.0
[INFO] [stderr] Compiling serde_json v1.0.73
[INFO] [stderr] Compiling heck v0.3.3
[INFO] [stderr] Checking ansi_term v0.12.1
[INFO] [stderr] Checking sha-1 v0.9.8
[INFO] [stderr] Checking itoa v1.0.1
[INFO] [stderr] Checking ryu v1.0.9
[INFO] [stderr] Checking unicode-normalization v0.1.19
[INFO] [stderr] Compiling quote v1.0.10
[INFO] [stderr] Checking getrandom v0.2.3
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking clap v2.34.0
[INFO] [stderr] Checking rand_core v0.6.3
[INFO] [stderr] Checking rand_chacha v0.3.1
[INFO] [stderr] Checking rand v0.8.4
[INFO] [stderr] Checking idna v0.2.3
[INFO] [stderr] Checking url v2.2.2
[INFO] [stderr] Compiling thiserror-impl v1.0.30
[INFO] [stderr] Compiling structopt-derive v0.4.18
[INFO] [stderr] Compiling enum-map-derive v0.6.0
[INFO] [stderr] Checking enum-map v1.1.1
[INFO] [stderr] Checking thiserror v1.0.30
[INFO] [stderr] Checking tungstenite v0.16.0
[INFO] [stderr] Checking structopt v0.3.25
[INFO] [stderr] Checking cartographers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout] --> src/socketio.rs:14:15
[INFO] [stdout] |
[INFO] [stdout] 14 | Websocket(tungstenite::Error),
[INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | field in this variant
[INFO] [stdout] |
[INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout] |
[INFO] [stdout] 14 - Websocket(tungstenite::Error),
[INFO] [stdout] 14 + Websocket(()),
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout] --> src/socketio.rs:15:14
[INFO] [stdout] |
[INFO] [stdout] 15 | EngineIO(String),
[INFO] [stdout] | -------- ^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | field in this variant
[INFO] [stdout] |
[INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout] |
[INFO] [stdout] 15 - EngineIO(String),
[INFO] [stdout] 15 + EngineIO(()),
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout] --> src/socketio.rs:16:14
[INFO] [stdout] |
[INFO] [stdout] 16 | SocketIO(String),
[INFO] [stdout] | -------- ^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | field in this variant
[INFO] [stdout] |
[INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout] |
[INFO] [stdout] 16 - SocketIO(String),
[INFO] [stdout] 16 + SocketIO(()),
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout] --> src/socketio.rs:17:10
[INFO] [stdout] |
[INFO] [stdout] 17 | Json(serde_json::Error),
[INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | field in this variant
[INFO] [stdout] |
[INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout] |
[INFO] [stdout] 17 - Json(serde_json::Error),
[INFO] [stdout] 17 + Json(()),
[INFO] [stdout] |
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: method `expect_event` is never used
[INFO] [stdout] --> src/socketio.rs:140:8
[INFO] [stdout] |
[INFO] [stdout] 66 | pub trait SocketIOExt {
[INFO] [stdout] | ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 140 | fn expect_event(&mut self, event: &str) -> Result