[INFO] fetching crate kg-js 0.9.1... [INFO] checking kg-js-0.9.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate kg-js 0.9.1 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate kg-js 0.9.1 [INFO] finished tweaking crates.io crate kg-js 0.9.1 [INFO] tweaked toml for crates.io crate kg-js 0.9.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate kg-js 0.9.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate kg-js 0.9.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f5ba17f2ec323e7d6b920eb0298a57b08919aa9180a83e6174cc53291687d21d [INFO] running `Command { std: "docker" "start" "-a" "f5ba17f2ec323e7d6b920eb0298a57b08919aa9180a83e6174cc53291687d21d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5ba17f2ec323e7d6b920eb0298a57b08919aa9180a83e6174cc53291687d21d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5ba17f2ec323e7d6b920eb0298a57b08919aa9180a83e6174cc53291687d21d", kill_on_drop: false }` [INFO] [stdout] f5ba17f2ec323e7d6b920eb0298a57b08919aa9180a83e6174cc53291687d21d [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d24add7d8805f931b3ca57a4ae9c180f26b955f2efba075f61ea9ea468dc4ad9 [INFO] running `Command { std: "docker" "start" "-a" "d24add7d8805f931b3ca57a4ae9c180f26b955f2efba075f61ea9ea468dc4ad9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Checking smallbox v0.8.2 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Compiling cc v1.1.7 [INFO] [stderr] Compiling kg-js v0.9.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Compiling smart-default v0.7.1 [INFO] [stderr] Checking serde_json v1.0.121 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ctx.rs:233:24 [INFO] [stdout] | [INFO] [stdout] 233 | pub fn get_context(&self, index: i32) -> Result { [INFO] [stdout] | ^^^^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 233 | pub fn get_context(&self, index: i32) -> Result, JsError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `alloc_count` is never used [INFO] [stdout] --> src/interop.rs:274:20 [INFO] [stdout] | [INFO] [stdout] 247 | impl AllocTracker { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 274 | pub fn alloc_count(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ctx.rs:233:24 [INFO] [stdout] | [INFO] [stdout] 233 | pub fn get_context(&self, index: i32) -> Result { [INFO] [stdout] | ^^^^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 233 | pub fn get_context(&self, index: i32) -> Result, JsError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.24s [INFO] running `Command { std: "docker" "inspect" "d24add7d8805f931b3ca57a4ae9c180f26b955f2efba075f61ea9ea468dc4ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d24add7d8805f931b3ca57a4ae9c180f26b955f2efba075f61ea9ea468dc4ad9", kill_on_drop: false }` [INFO] [stdout] d24add7d8805f931b3ca57a4ae9c180f26b955f2efba075f61ea9ea468dc4ad9