[INFO] cloning repository https://github.com/nekokuro0xf/workerpool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nekokuro0xf/workerpool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnekokuro0xf%2Fworkerpool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnekokuro0xf%2Fworkerpool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab5f095836f1c52147f6192e65831325f54272c5 [INFO] checking nekokuro0xf/workerpool against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnekokuro0xf%2Fworkerpool" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nekokuro0xf/workerpool on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nekokuro0xf/workerpool [INFO] finished tweaking git repo https://github.com/nekokuro0xf/workerpool [INFO] tweaked toml for git repo https://github.com/nekokuro0xf/workerpool written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/nekokuro0xf/workerpool already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded backtrace v0.3.17 [INFO] [stderr] Downloaded wasm-bindgen-webidl v0.2.44 [INFO] [stderr] Downloaded bumpalo v2.4.1 [INFO] [stderr] Downloaded web-sys v0.3.21 [INFO] [stderr] Downloaded weedle v0.8.0 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.44 [INFO] [stderr] Downloaded wasm-bindgen v0.2.44 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.44 [INFO] [stderr] Downloaded js-sys v0.3.21 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.44 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 55c6ef5dcc962830d1daf67dfdb66c85779710a5f30bb16b51ac1f61d9ec6c2a [INFO] running `Command { std: "docker" "start" "-a" "55c6ef5dcc962830d1daf67dfdb66c85779710a5f30bb16b51ac1f61d9ec6c2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55c6ef5dcc962830d1daf67dfdb66c85779710a5f30bb16b51ac1f61d9ec6c2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55c6ef5dcc962830d1daf67dfdb66c85779710a5f30bb16b51ac1f61d9ec6c2a", kill_on_drop: false }` [INFO] [stdout] 55c6ef5dcc962830d1daf67dfdb66c85779710a5f30bb16b51ac1f61d9ec6c2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d92394e8a57b11881b02fb37e095964baf309fbd64ba8a5439ca840964375d73 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d92394e8a57b11881b02fb37e095964baf309fbd64ba8a5439ca840964375d73", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling bumpalo v2.4.1 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling sourcefile v0.1.4 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling backtrace v0.3.17 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling stdweb v0.4.17 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling weedle v0.8.0 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.44 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.44 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.44 [INFO] [stderr] Compiling wasm-bindgen-webidl v0.2.44 [INFO] [stderr] Checking wasm-bindgen v0.2.44 [INFO] [stderr] Checking js-sys v0.3.21 [INFO] [stderr] Compiling web-sys v0.3.21 [INFO] [stderr] Compiling stdweb-derive v0.5.1 [INFO] [stderr] Compiling stdweb-internal-macros v0.2.7 [INFO] [stderr] Checking rust_wasm_workerpool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/main.rs:27:50 [INFO] [stdout] | [INFO] [stdout] 15 | / pub fn main() { [INFO] [stdout] 16 | | let message = "Hello, 世界!"; [INFO] [stdout] 17 | | js! { [INFO] [stdout] 18 | | // alert( @{message} ); [INFO] [stdout] ... | [INFO] [stdout] 27 | | let mut worker = Worker::new("./worker.js")?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 33 | | [INFO] [stdout] 34 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/main.rs:27:50 [INFO] [stdout] | [INFO] [stdout] 15 | / pub fn main() { [INFO] [stdout] 16 | | let message = "Hello, 世界!"; [INFO] [stdout] 17 | | js! { [INFO] [stdout] 18 | | // alert( @{message} ); [INFO] [stdout] ... | [INFO] [stdout] 27 | | let mut worker = Worker::new("./worker.js")?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 33 | | [INFO] [stdout] 34 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_wasm_workerpool` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d92394e8a57b11881b02fb37e095964baf309fbd64ba8a5439ca840964375d73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d92394e8a57b11881b02fb37e095964baf309fbd64ba8a5439ca840964375d73", kill_on_drop: false }` [INFO] [stdout] d92394e8a57b11881b02fb37e095964baf309fbd64ba8a5439ca840964375d73