[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 try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffwng%2Fcartographers" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ffwng/cartographers on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 787f772782c67ae502475bb2e39abab4a4e8fc1d8c7b6455c7419295e62f7d1b [INFO] running `Command { std: "docker" "start" "-a" "787f772782c67ae502475bb2e39abab4a4e8fc1d8c7b6455c7419295e62f7d1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "787f772782c67ae502475bb2e39abab4a4e8fc1d8c7b6455c7419295e62f7d1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "787f772782c67ae502475bb2e39abab4a4e8fc1d8c7b6455c7419295e62f7d1b", kill_on_drop: false }` [INFO] [stdout] 787f772782c67ae502475bb2e39abab4a4e8fc1d8c7b6455c7419295e62f7d1b [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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 807624524a8565935614870899e3d9bb5f3d314b41137308600626dde05836e9 [INFO] running `Command { std: "docker" "start" "-a" "807624524a8565935614870899e3d9bb5f3d314b41137308600626dde05836e9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.82 [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 unicode-segmentation v1.8.0 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking sha-1 v0.9.8 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling quote v1.0.10 [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> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | / #[structopt(name = "URL")] [INFO] [stdout] 25 | | url: String, [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | / #[structopt(name = "NAME")] [INFO] [stdout] 28 | | name: String, [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [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] [stderr] error: could not compile `cartographers` (bin "cartographers") due to 2 previous errors; 5 warnings emitted [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] [stderr] warning: build failed, waiting for other jobs to finish... [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> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | / #[structopt(name = "URL")] [INFO] [stdout] 25 | | url: String, [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | / #[structopt(name = "NAME")] [INFO] [stdout] 28 | | name: String, [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cartographers` (bin "cartographers" test) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "807624524a8565935614870899e3d9bb5f3d314b41137308600626dde05836e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "807624524a8565935614870899e3d9bb5f3d314b41137308600626dde05836e9", kill_on_drop: false }` [INFO] [stdout] 807624524a8565935614870899e3d9bb5f3d314b41137308600626dde05836e9