[INFO] fetching crate reactive-signals 0.1.0-alpha.4... [INFO] testing reactive-signals-0.1.0-alpha.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate reactive-signals 0.1.0-alpha.4 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate reactive-signals 0.1.0-alpha.4 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate reactive-signals 0.1.0-alpha.4 [INFO] tweaked toml for crates.io crate reactive-signals 0.1.0-alpha.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate reactive-signals 0.1.0-alpha.4 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate reactive-signals 0.1.0-alpha.4 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tempfile v3.4.0 [INFO] [stderr] Downloaded wasm-bindgen-test v0.3.34 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.34 [INFO] [stderr] Downloaded pprof v0.11.1 [INFO] [stderr] Downloaded is-terminal v0.4.5 [INFO] [stderr] Downloaded wasm-bindgen-test-macro v0.3.34 [INFO] [stderr] Downloaded serde_spanned v0.6.1 [INFO] [stderr] Downloaded num_cpus v1.15.0 [INFO] [stderr] Downloaded mintex v0.1.2 [INFO] [stderr] Downloaded parking_lot_core v0.9.7 [INFO] [stderr] Downloaded semver v1.0.17 [INFO] [stderr] Downloaded camino v1.1.4 [INFO] [stderr] Downloaded similar v2.2.1 [INFO] [stderr] Downloaded serde_derive v1.0.158 [INFO] [stderr] Downloaded backtrace v0.3.67 [INFO] [stderr] Downloaded crossbeam-channel v0.5.7 [INFO] [stderr] Downloaded pulldown-cmark v0.9.2 [INFO] [stderr] Downloaded inferno v0.11.15 [INFO] [stderr] Downloaded plotters v0.3.4 [INFO] [stderr] Downloaded dhat v0.3.2 [INFO] [stderr] Downloaded serde_json v1.0.94 [INFO] [stderr] Downloaded syn v2.0.8 [INFO] [stderr] Downloaded symbolic-demangle v10.2.1 [INFO] [stderr] Downloaded clap v3.2.23 [INFO] [stderr] Downloaded rustix v0.36.11 [INFO] [stderr] Downloaded object v0.30.3 [INFO] [stderr] Downloaded regex v1.7.2 [INFO] [stderr] Downloaded rayon v1.7.0 [INFO] [stderr] Downloaded cpp_demangle v0.4.0 [INFO] [stderr] Downloaded rayon-core v1.11.0 [INFO] [stderr] Downloaded serde v1.0.158 [INFO] [stderr] Downloaded bumpalo v3.12.0 [INFO] [stderr] Downloaded indexmap v1.9.2 [INFO] [stderr] Downloaded uuid v1.3.0 [INFO] [stderr] Downloaded io-lifetimes v1.0.9 [INFO] [stderr] Downloaded toml v0.7.3 [INFO] [stderr] Downloaded insta v1.29.0 [INFO] [stderr] Downloaded addr2line v0.19.0 [INFO] [stderr] Downloaded ahash v0.8.3 [INFO] [stderr] Downloaded ciborium v0.2.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.53 [INFO] [stderr] Downloaded cargo_metadata v0.15.4 [INFO] [stderr] Downloaded markdown-includes v0.1.0 [INFO] [stderr] Downloaded os_str_bytes v6.5.0 [INFO] [stderr] Downloaded walkdir v2.3.3 [INFO] [stderr] Downloaded libc v0.2.140 [INFO] [stderr] Downloaded rgb v0.8.36 [INFO] [stderr] Downloaded gimli v0.27.2 [INFO] [stderr] Downloaded rustc-demangle v0.1.22 [INFO] [stderr] Downloaded symbolic-common v10.2.1 [INFO] [stderr] Downloaded cargo-platform v0.1.2 [INFO] [stderr] Downloaded string-sections v0.1.0 [INFO] [stderr] Downloaded ciborium-io v0.2.0 [INFO] [stderr] Downloaded ciborium-ll v0.2.0 [INFO] [stderr] Downloaded plotters-svg v0.3.3 [INFO] [stderr] Downloaded linux-raw-sys v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c6a7c91b0265695e851ca0940036b7fc68e8592357dcdc92b566f0fe32f3310 [INFO] running `Command { std: "docker" "start" "-a" "1c6a7c91b0265695e851ca0940036b7fc68e8592357dcdc92b566f0fe32f3310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c6a7c91b0265695e851ca0940036b7fc68e8592357dcdc92b566f0fe32f3310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c6a7c91b0265695e851ca0940036b7fc68e8592357dcdc92b566f0fe32f3310", kill_on_drop: false }` [INFO] [stdout] 1c6a7c91b0265695e851ca0940036b7fc68e8592357dcdc92b566f0fe32f3310 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d22ef6bb85fca4ae95825d804852484bfe215a09945f1b26775c42d9cefecca [INFO] running `Command { std: "docker" "start" "-a" "4d22ef6bb85fca4ae95825d804852484bfe215a09945f1b26775c42d9cefecca", kill_on_drop: false }` [INFO] [stderr] Compiling reactive-signals v0.1.0-alpha.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `DepthFirstIter` is never constructed [INFO] [stdout] --> src/arena_tree/iter.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct DepthFirstIter<'a, T> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/arena_tree/tree.rs:112:26 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn iter_mut_from(&mut self, id: NodeId) -> MutDepthFirstIter { [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] 112 | pub fn iter_mut_from(&mut self, id: NodeId) -> MutDepthFirstIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/primitives/any_data.rs:77:16 [INFO] [stdout] | [INFO] [stdout] 77 | fn val_ref(&self) -> std::cell::Ref { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 77 | fn val_ref(&self) -> std::cell::Ref<'_, dyn Any> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/primitives/any_data.rs:81:16 [INFO] [stdout] | [INFO] [stdout] 81 | fn val_mut(&self) -> std::cell::RefMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 81 | fn val_mut(&self) -> std::cell::RefMut<'_, dyn Any> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/primitives/signal_set.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 37 | fn vec_mut(&self) -> std::cell::RefMut> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 37 | fn vec_mut(&self) -> std::cell::RefMut<'_, ArrVec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/primitives/signal_set.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | fn vec_ref(&self) -> std::cell::Ref> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | fn vec_ref(&self) -> std::cell::Ref<'_, ArrVec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/runtimes/client.rs:89:15 [INFO] [stdout] | [INFO] [stdout] 89 | fn rt_ref(&self) -> std::cell::Ref> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 89 | fn rt_ref(&self) -> std::cell::Ref<'_, RuntimeInner> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/runtimes/client.rs:94:15 [INFO] [stdout] | [INFO] [stdout] 94 | fn rt_mut(&self) -> std::cell::RefMut> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 94 | fn rt_mut(&self) -> std::cell::RefMut<'_, RuntimeInner> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scope/scope_inner.rs:55:27 [INFO] [stdout] | [INFO] [stdout] 55 | pub(crate) fn vec_ref(&self) -> std::cell::Ref>> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 55 | pub(crate) fn vec_ref(&self) -> std::cell::Ref<'_, Vec>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scope/scope_inner.rs:60:16 [INFO] [stdout] | [INFO] [stdout] 60 | fn vec_mut(&self) -> std::cell::RefMut>> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 60 | fn vec_mut(&self) -> std::cell::RefMut<'_, Vec>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "4d22ef6bb85fca4ae95825d804852484bfe215a09945f1b26775c42d9cefecca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d22ef6bb85fca4ae95825d804852484bfe215a09945f1b26775c42d9cefecca", kill_on_drop: false }` [INFO] [stdout] 4d22ef6bb85fca4ae95825d804852484bfe215a09945f1b26775c42d9cefecca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9548ecc0e52b698dc193da30f74d425c9215b69de5d362677ad3d5b27bc322f2 [INFO] running `Command { std: "docker" "start" "-a" "9548ecc0e52b698dc193da30f74d425c9215b69de5d362677ad3d5b27bc322f2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.53 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling serde_derive v1.0.158 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.84 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling bumpalo v3.12.0 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file` [INFO] [stdout] | [INFO] [stdout] 92 - feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] 92 + feature(proc_macro_span, proc_macro_span_file) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling wasm-bindgen v0.2.84 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling semver v1.0.17 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9548ecc0e52b698dc193da30f74d425c9215b69de5d362677ad3d5b27bc322f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9548ecc0e52b698dc193da30f74d425c9215b69de5d362677ad3d5b27bc322f2", kill_on_drop: false }` [INFO] [stdout] 9548ecc0e52b698dc193da30f74d425c9215b69de5d362677ad3d5b27bc322f2