[INFO] fetching crate cfx-core 0.1.0... [INFO] checking cfx-core-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate cfx-core 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate cfx-core 0.1.0 [INFO] finished tweaking crates.io crate cfx-core 0.1.0 [INFO] tweaked toml for crates.io crate cfx-core 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cfx-core 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 30 packages to latest compatible versions [INFO] [stderr] Adding cfx-wasm-rt-types v0.1.0 (available: v0.2.0) [INFO] [stderr] Adding rmp-serde v0.15.5 (available: v1.3.0) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.1.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5947b2da546f34a59ae7fd87b6e492ea13b918da1b91169f80ee6e64ad1206c [INFO] running `Command { std: "docker" "start" "-a" "c5947b2da546f34a59ae7fd87b6e492ea13b918da1b91169f80ee6e64ad1206c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5947b2da546f34a59ae7fd87b6e492ea13b918da1b91169f80ee6e64ad1206c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5947b2da546f34a59ae7fd87b6e492ea13b918da1b91169f80ee6e64ad1206c", kill_on_drop: false }` [INFO] [stdout] c5947b2da546f34a59ae7fd87b6e492ea13b918da1b91169f80ee6e64ad1206c [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d5b83ef94fc81d62d38dbbc89b8e4d7324e3f39f93064f3d1fbe83157a6f56b [INFO] running `Command { std: "docker" "start" "-a" "1d5b83ef94fc81d62d38dbbc89b8e4d7324e3f39f93064f3d1fbe83157a6f56b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking slab v0.4.10 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking rmp v0.8.14 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking rmp-serde v0.15.5 [INFO] [stderr] Checking serde_bytes v0.11.17 [INFO] [stderr] Checking cfx-wasm-rt-types v0.1.0 [INFO] [stderr] Checking cfx-core v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `source` and `payload` are never read [INFO] [stdout] --> src/events.rs:126:5 [INFO] [stdout] | [INFO] [stdout] 125 | pub struct EventOwned { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 126 | source: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 127 | payload: T, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/ref_funcs.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 163 | pub struct RefFunction { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 164 | name: String, [INFO] [stdout] 165 | inner: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RefFunction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/events.rs:160:39 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn subscribe<'a, In>(event_name: &'a str, scope: EventScope) -> impl Stream> [INFO] [stdout] | ^^ this lifetime flows to the output --------- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 160 | pub fn subscribe<'a, In>(event_name: &'a str, scope: EventScope) -> impl Stream> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `source` and `payload` are never read [INFO] [stdout] --> src/events.rs:126:5 [INFO] [stdout] | [INFO] [stdout] 125 | pub struct EventOwned { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 126 | source: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 127 | payload: T, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/ref_funcs.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 163 | pub struct RefFunction { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 164 | name: String, [INFO] [stdout] 165 | inner: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RefFunction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/events.rs:160:39 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn subscribe<'a, In>(event_name: &'a str, scope: EventScope) -> impl Stream> [INFO] [stdout] | ^^ this lifetime flows to the output --------- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 160 | pub fn subscribe<'a, In>(event_name: &'a str, scope: EventScope) -> impl Stream> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.44s [INFO] running `Command { std: "docker" "inspect" "1d5b83ef94fc81d62d38dbbc89b8e4d7324e3f39f93064f3d1fbe83157a6f56b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d5b83ef94fc81d62d38dbbc89b8e4d7324e3f39f93064f3d1fbe83157a6f56b", kill_on_drop: false }` [INFO] [stdout] 1d5b83ef94fc81d62d38dbbc89b8e4d7324e3f39f93064f3d1fbe83157a6f56b