[INFO] fetching crate wasm-bindgen-webidl 0.2.75... [INFO] checking wasm-bindgen-webidl-0.2.75 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate wasm-bindgen-webidl 0.2.75 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate wasm-bindgen-webidl 0.2.75 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 wasm-bindgen-webidl 0.2.75 [INFO] finished tweaking crates.io crate wasm-bindgen-webidl 0.2.75 [INFO] tweaked toml for crates.io crate wasm-bindgen-webidl 0.2.75 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate wasm-bindgen-webidl 0.2.75 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.75 [INFO] [stderr] Downloaded weedle v0.12.0 [INFO] [stderr] Downloaded structopt-derive v0.4.15 [INFO] [stderr] Downloaded anyhow v1.0.42 [INFO] [stderr] Downloaded structopt v0.3.22 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.75 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3a7e993258eccdc1b910f41d90cdec98aa2401ab4f93ff1533b6ad87a4d769b [INFO] running `Command { std: "docker" "start" "-a" "a3a7e993258eccdc1b910f41d90cdec98aa2401ab4f93ff1533b6ad87a4d769b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3a7e993258eccdc1b910f41d90cdec98aa2401ab4f93ff1533b6ad87a4d769b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3a7e993258eccdc1b910f41d90cdec98aa2401ab4f93ff1533b6ad87a4d769b", kill_on_drop: false }` [INFO] [stdout] a3a7e993258eccdc1b910f41d90cdec98aa2401ab4f93ff1533b6ad87a4d769b [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7870385e3c54b3183c309939a16627af81919329fa4e74fe1ed486b8fee0fe82 [INFO] running `Command { std: "docker" "start" "-a" "7870385e3c54b3183c309939a16627af81919329fa4e74fe1ed486b8fee0fe82", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.75 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Checking bumpalo v3.7.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking unicode-segmentation v1.8.0 [INFO] [stderr] Checking sourcefile v0.1.4 [INFO] [stderr] Checking heck v0.3.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking weedle v0.12.0 [INFO] [stderr] Checking wasm-bindgen-backend v0.2.75 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking wasm-bindgen-webidl v0.2.75 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `weedle` is imported redundantly [INFO] [stdout] --> src/first_pass.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use weedle; [INFO] [stdout] | ^^^^^^ the item `weedle` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/idl_type.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use syn; [INFO] [stdout] | ^^^ the item `syn` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/util.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use syn; [INFO] [stdout] | ^^^ the item `syn` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `weedle` is imported redundantly [INFO] [stdout] --> src/util.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use weedle; [INFO] [stdout] | ^^^^^^ the item `weedle` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `weedle` is imported redundantly [INFO] [stdout] --> src/first_pass.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use weedle; [INFO] [stdout] | ^^^^^^ the item `weedle` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/idl_type.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use syn; [INFO] [stdout] | ^^^ the item `syn` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/util.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use syn; [INFO] [stdout] | ^^^ the item `syn` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `weedle` is imported redundantly [INFO] [stdout] --> src/util.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use weedle; [INFO] [stdout] | ^^^^^^ the item `weedle` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/first_pass.rs:673:65 [INFO] [stdout] | [INFO] [stdout] 673 | &[OperationId::Operation(self.identifier.map(|s| s.0.clone()))], [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/first_pass.rs:783:65 [INFO] [stdout] | [INFO] [stdout] 783 | &[OperationId::Operation(self.identifier.map(|s| s.0.clone()))], [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/first_pass.rs:673:65 [INFO] [stdout] | [INFO] [stdout] 673 | &[OperationId::Operation(self.identifier.map(|s| s.0.clone()))], [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/first_pass.rs:783:65 [INFO] [stdout] | [INFO] [stdout] 783 | &[OperationId::Operation(self.identifier.map(|s| s.0.clone()))], [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.11s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "7870385e3c54b3183c309939a16627af81919329fa4e74fe1ed486b8fee0fe82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7870385e3c54b3183c309939a16627af81919329fa4e74fe1ed486b8fee0fe82", kill_on_drop: false }` [INFO] [stdout] 7870385e3c54b3183c309939a16627af81919329fa4e74fe1ed486b8fee0fe82 [INFO] checking wasm-bindgen-webidl-0.2.75 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate wasm-bindgen-webidl 0.2.75 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate wasm-bindgen-webidl 0.2.75 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 wasm-bindgen-webidl 0.2.75 [INFO] finished tweaking crates.io crate wasm-bindgen-webidl 0.2.75 [INFO] tweaked toml for crates.io crate wasm-bindgen-webidl 0.2.75 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate wasm-bindgen-webidl 0.2.75 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9675eaeb1029c6b4f8aa2c44fe9d3f36cfd42c9c6d681949e664456ee5e76eb7 [INFO] running `Command { std: "docker" "start" "-a" "9675eaeb1029c6b4f8aa2c44fe9d3f36cfd42c9c6d681949e664456ee5e76eb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9675eaeb1029c6b4f8aa2c44fe9d3f36cfd42c9c6d681949e664456ee5e76eb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9675eaeb1029c6b4f8aa2c44fe9d3f36cfd42c9c6d681949e664456ee5e76eb7", kill_on_drop: false }` [INFO] [stdout] 9675eaeb1029c6b4f8aa2c44fe9d3f36cfd42c9c6d681949e664456ee5e76eb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a643448651e06f69c838ad74d2267b41f0b64617c273bd0fccbb78fc24227c92 [INFO] running `Command { std: "docker" "start" "-a" "a643448651e06f69c838ad74d2267b41f0b64617c273bd0fccbb78fc24227c92", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.75 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking bumpalo v3.7.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking sourcefile v0.1.4 [INFO] [stderr] Checking heck v0.3.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [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 E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a643448651e06f69c838ad74d2267b41f0b64617c273bd0fccbb78fc24227c92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a643448651e06f69c838ad74d2267b41f0b64617c273bd0fccbb78fc24227c92", kill_on_drop: false }` [INFO] [stdout] a643448651e06f69c838ad74d2267b41f0b64617c273bd0fccbb78fc24227c92