[INFO] fetching crate flowrs 0.2.0... [INFO] checking flowrs-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate flowrs 0.2.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate flowrs 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flowrs 0.2.0 [INFO] finished tweaking crates.io crate flowrs 0.2.0 [INFO] tweaked toml for crates.io crate flowrs 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 31 packages [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded flowrs-derive v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10d9e015533e2dcfcc215bf5d12d766736a19ebeca434d1f770ae8d5287feff1 [INFO] running `Command { std: "docker" "start" "-a" "10d9e015533e2dcfcc215bf5d12d766736a19ebeca434d1f770ae8d5287feff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10d9e015533e2dcfcc215bf5d12d766736a19ebeca434d1f770ae8d5287feff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10d9e015533e2dcfcc215bf5d12d766736a19ebeca434d1f770ae8d5287feff1", kill_on_drop: false }` [INFO] [stdout] 10d9e015533e2dcfcc215bf5d12d766736a19ebeca434d1f770ae8d5287feff1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9649594de6be7db293d2016e13bdf2861524bf14488a15e9d03100bc978e3fd5 [INFO] running `Command { std: "docker" "start" "-a" "9649594de6be7db293d2016e13bdf2861524bf14488a15e9d03100bc978e3fd5", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling flowrs-derive v0.3.0 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.42 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.92 [INFO] [stderr] Checking wasm-bindgen v0.2.92 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking js-sys v0.3.69 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking flowrs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/sched/scheduler.rs:26:37 [INFO] [stdout] | [INFO] [stdout] 26 | fn get_next_node_idx(&mut self, info: &SchedulingInfo) -> usize { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `version` are never read [INFO] [stdout] --> src/sched/flow_type.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Flow { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 6 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 7 | version: Version, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `major`, `minor`, and `patch` are never read [INFO] [stdout] --> src/sched/version.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Version { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 3 | major: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | minor: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | patch: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Version` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking wasm-bindgen-futures v0.4.42 [INFO] [stderr] Checking wasm-bindgen-test v0.3.42 [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/sched/scheduler.rs:26:37 [INFO] [stdout] | [INFO] [stdout] 26 | fn get_next_node_idx(&mut self, info: &SchedulingInfo) -> usize { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `version` are never read [INFO] [stdout] --> src/sched/flow_type.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Flow { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 6 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 7 | version: Version, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `major`, `minor`, and `patch` are never read [INFO] [stdout] --> src/sched/version.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Version { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 3 | major: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | minor: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | patch: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Version` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s [INFO] running `Command { std: "docker" "inspect" "9649594de6be7db293d2016e13bdf2861524bf14488a15e9d03100bc978e3fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9649594de6be7db293d2016e13bdf2861524bf14488a15e9d03100bc978e3fd5", kill_on_drop: false }` [INFO] [stdout] 9649594de6be7db293d2016e13bdf2861524bf14488a15e9d03100bc978e3fd5 [INFO] checking flowrs-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate flowrs 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate flowrs 0.2.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flowrs 0.2.0 [INFO] finished tweaking crates.io crate flowrs 0.2.0 [INFO] tweaked toml for crates.io crate flowrs 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9759d22a0c34ccaa6c2e8c07e0125c7491fc1f2bd9c66473fe32e32e011e0fb6 [INFO] running `Command { std: "docker" "start" "-a" "9759d22a0c34ccaa6c2e8c07e0125c7491fc1f2bd9c66473fe32e32e011e0fb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9759d22a0c34ccaa6c2e8c07e0125c7491fc1f2bd9c66473fe32e32e011e0fb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9759d22a0c34ccaa6c2e8c07e0125c7491fc1f2bd9c66473fe32e32e011e0fb6", kill_on_drop: false }` [INFO] [stdout] 9759d22a0c34ccaa6c2e8c07e0125c7491fc1f2bd9c66473fe32e32e011e0fb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49a1915508ca17e3be251b0db4ebf37dbf7c89ff45414c5c485641afa0f2d951 [INFO] running `Command { std: "docker" "start" "-a" "49a1915508ca17e3be251b0db4ebf37dbf7c89ff45414c5c485641afa0f2d951", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.92 [INFO] [stderr] Compiling bumpalo v3.15.4 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.42 [INFO] [stderr] Compiling flowrs-derive v0.3.0 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-macro-support-0.2.92/src/parser.rs:303:17 [INFO] [stdout] | [INFO] [stdout] 303 | / if input.parse::().is_ok() { [INFO] [stdout] 304 | | let ident = input.parse::()?.0; [INFO] [stdout] 305 | | return Ok(BindgenAttr::$variant(attr_span, Some(ident))) [INFO] [stdout] 306 | | } else { [INFO] [stdout] 307 | | return Ok(BindgenAttr::$variant(attr_span, None)); [INFO] [stdout] 308 | | } [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 363 | attrgen!(parsers); [INFO] [stdout] | ----------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `parsers` which comes from the expansion of the macro `attrgen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `wasm-bindgen-macro-support` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "49a1915508ca17e3be251b0db4ebf37dbf7c89ff45414c5c485641afa0f2d951", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49a1915508ca17e3be251b0db4ebf37dbf7c89ff45414c5c485641afa0f2d951", kill_on_drop: false }` [INFO] [stdout] 49a1915508ca17e3be251b0db4ebf37dbf7c89ff45414c5c485641afa0f2d951