[INFO] cloning repository https://github.com/Xe/helloworld [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xe/helloworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fhelloworld", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fhelloworld'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 72070a688e321a2cd5871cdf5782c63c459ad092 [INFO] checking Xe/helloworld against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fhelloworld" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Xe/helloworld [INFO] finished tweaking git repo https://github.com/Xe/helloworld [INFO] tweaked toml for git repo https://github.com/Xe/helloworld written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Xe/helloworld on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Xe/helloworld 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking Xe/helloworld against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fhelloworld" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Xe/helloworld [INFO] finished tweaking git repo https://github.com/Xe/helloworld [INFO] tweaked toml for git repo https://github.com/Xe/helloworld written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Xe/helloworld on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Xe/helloworld 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rocket_http v0.4.4 [INFO] [stderr] Downloaded schemars_derive v0.6.5 [INFO] [stderr] Downloaded thiserror v1.0.11 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.59 [INFO] [stderr] Downloaded prometheus v0.8.0 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.59 [INFO] [stderr] Downloaded envy v0.4.1 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.9 [INFO] [stderr] Downloaded snafu-derive v0.6.2 [INFO] [stderr] Downloaded filetime v0.2.8 [INFO] [stderr] Downloaded inotify v0.7.0 [INFO] [stderr] Downloaded schannel v0.1.17 [INFO] [stderr] Downloaded psutil v3.0.1 [INFO] [stderr] Downloaded okapi v0.3.0 [INFO] [stderr] Downloaded hyper v0.13.3 [INFO] [stderr] Downloaded wasm-bindgen v0.2.59 [INFO] [stderr] Downloaded reqwest v0.10.4 [INFO] [stderr] Downloaded darwin-libproc-sys v0.1.2 [INFO] [stderr] Downloaded rocket_okapi_codegen v0.3.6 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.59 [INFO] [stderr] Downloaded js-sys v0.3.36 [INFO] [stderr] Downloaded bumpalo v3.2.0 [INFO] [stderr] Downloaded rocket_okapi v0.3.6 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.59 [INFO] [stderr] Downloaded darwin-libproc v0.1.2 [INFO] [stderr] Downloaded platforms v0.2.1 [INFO] [stderr] Downloaded doc-comment v0.3.2 [INFO] [stderr] Downloaded snafu v0.6.2 [INFO] [stderr] Downloaded once_cell v1.3.1 [INFO] [stderr] Downloaded unescape v0.1.0 [INFO] [stderr] Downloaded rocket_contrib v0.4.4 [INFO] [stderr] Downloaded thiserror-impl v1.0.11 [INFO] [stderr] Downloaded rocket v0.4.4 [INFO] [stderr] Downloaded rocket_codegen v0.4.4 [INFO] [stderr] Downloaded schemars v0.6.5 [INFO] [stderr] Downloaded web-sys v0.3.36 [INFO] [stderr] Downloaded gethostname v0.2.1 [INFO] [stderr] Downloaded cookie v0.11.2 [INFO] [stderr] Downloaded rocket_prometheus v0.4.0 [INFO] [stderr] Downloaded protobuf v2.10.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01d8447e1002ddae2b1f0f6ab57d01a79b27776f1fa0e55ef07991d6f20bc7f7 [INFO] running `Command { std: "docker" "start" "-a" "01d8447e1002ddae2b1f0f6ab57d01a79b27776f1fa0e55ef07991d6f20bc7f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01d8447e1002ddae2b1f0f6ab57d01a79b27776f1fa0e55ef07991d6f20bc7f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01d8447e1002ddae2b1f0f6ab57d01a79b27776f1fa0e55ef07991d6f20bc7f7", kill_on_drop: false }` [INFO] [stdout] 01d8447e1002ddae2b1f0f6ab57d01a79b27776f1fa0e55ef07991d6f20bc7f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b13afb63b69c05e451b75268baf1f33dd5b59659af45826164eb7e9dcb016785 [INFO] running `Command { std: "docker" "start" "-a" "b13afb63b69c05e451b75268baf1f33dd5b59659af45826164eb7e9dcb016785", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling devise_core v0.2.0 [INFO] [stderr] error: could not compile `traitobject` (lib) due to 3 previous errors [INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { } [INFO] [stdout] | ------------------------------------------------ first implementation here [INFO] [stdout] 72 | unsafe impl Trait for ::std::marker::Send + Send + Sync { } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:73:1 [INFO] [stdout] | [INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { } [INFO] [stdout] | ------------------------------------------------ first implementation here [INFO] [stdout] 72 | unsafe impl Trait for ::std::marker::Send + Send + Sync { } [INFO] [stdout] 73 | unsafe impl Trait for ::std::marker::Sync + Send { } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:75:1 [INFO] [stdout] | [INFO] [stdout] 71 | unsafe impl Trait for ::std::marker::Send + Sync { } [INFO] [stdout] | ------------------------------------------------ first implementation here [INFO] [stdout] ... [INFO] [stdout] 75 | unsafe impl Trait for ::std::marker::Sync + Send + Sync { } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0119`. [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(crate_visibility_modifier)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.63.0; see for more information [INFO] [stdout] = note: removed in favor of `pub(crate)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(concat_idents)] [INFO] [stdout] | ^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.90.0; see for more information [INFO] [stdout] = note: use the `${concat(..)}` metavariable expression instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `!` or `::`, found keyword `enum` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/field.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | crate enum FieldKind<'p> { [INFO] [stdout] | ^^^^ expected one of `!` or `::` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected identifier, found keyword `crate` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 65 | pub struct DeriveGenerator { [INFO] [stdout] | --------------- while parsing this struct [INFO] [stdout] ... [INFO] [stdout] 69 | crate generic_support: GenericSupport, [INFO] [stdout] | ^^^^^ expected identifier, found keyword [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `!` or `::`, found keyword `fn` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:28:15 [INFO] [stdout] | [INFO] [stdout] 28 | crate fn push_default_mappers(&mut self) { [INFO] [stdout] | ^^ expected one of `!` or `::` [INFO] [stdout] ... [INFO] [stdout] 193 | / mappers! { [INFO] [stdout] 194 | | (map_struct, try_map_struct, struct_mapper): Struct, struct_mappers, [INFO] [stdout] 195 | | (map_enum, try_map_enum, enum_mapper): Enum, enum_mappers, [INFO] [stdout] 196 | | (map_variant, try_map_variant, variant_mapper): Variant, variant_mappers, [INFO] [stdout] 197 | | (map_fields, try_map_fields, fields_mapper): Fields, fields_mappers, [INFO] [stdout] 198 | | (map_field, try_map_field, field_mapper): Field, field_mappers [INFO] [stdout] 199 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `mappers` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `variant_mapper` found for reference `&DeriveGenerator` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | .map(|v| gen.variant_mapper()(gen, v)) [INFO] [stdout] | ^^^^^^^^^^^^^^ method not found in `&DeriveGenerator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `variant_mapper` found for reference `&DeriveGenerator` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:106:22 [INFO] [stdout] | [INFO] [stdout] 106 | .map(|v| gen.variant_mapper()(gen, v)) [INFO] [stdout] | ^^^^^^^^^^^^^^ method not found in `&DeriveGenerator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fields_mapper` found for reference `&DeriveGenerator` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | gen.fields_mapper()(gen, data.fields()) [INFO] [stdout] | ^^^^^^^^^^^^^ method not found in `&DeriveGenerator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fields_mapper` found for reference `&DeriveGenerator` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | gen.fields_mapper()(gen, data.fields()) [INFO] [stdout] | ^^^^^^^^^^^^^ method not found in `&DeriveGenerator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `field_mapper` found for reference `&DeriveGenerator` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:126:24 [INFO] [stdout] | [INFO] [stdout] 126 | .map(|field| g.field_mapper()(g, field)) [INFO] [stdout] | ^^^^^^^^^^^^ method not found in `&DeriveGenerator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `push_default_mappers` found for mutable reference `&mut DeriveGenerator` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:189:14 [INFO] [stdout] | [INFO] [stdout] 189 | self.push_default_mappers(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ method not found in `&mut DeriveGenerator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:210:30 [INFO] [stdout] | [INFO] [stdout] 210 | if named && !support.contains(DataSupport::NamedStruct) { [INFO] [stdout] | ^^^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:211:32 [INFO] [stdout] | [INFO] [stdout] 211 | return Err(span.error("named structs are not supported")); [INFO] [stdout] | ^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:231:36 [INFO] [stdout] | [INFO] [stdout] 231 | let (span, support) = (generic.span(), self.generic_support); [INFO] [stdout] | ^^^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:233:30 [INFO] [stdout] | [INFO] [stdout] 233 | Type(..) if !support.contains(GenericSupport::Type) => { [INFO] [stdout] | ^^^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:234:32 [INFO] [stdout] | [INFO] [stdout] 234 | return Err(span.error("type generics are not supported")); [INFO] [stdout] | ^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:312:57 [INFO] [stdout] | [INFO] [stdout] 312 | .filter(|param| param.kind() == trait_param.kind()) [INFO] [stdout] | ^^^^^^^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.0/src/generator.rs:364:31 [INFO] [stdout] | [INFO] [stdout] 364 | let id = &last.value().ident; [INFO] [stdout] | ^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0557, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `devise_core` (lib) due to 18 previous errors [INFO] running `Command { std: "docker" "inspect" "b13afb63b69c05e451b75268baf1f33dd5b59659af45826164eb7e9dcb016785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b13afb63b69c05e451b75268baf1f33dd5b59659af45826164eb7e9dcb016785", kill_on_drop: false }` [INFO] [stdout] b13afb63b69c05e451b75268baf1f33dd5b59659af45826164eb7e9dcb016785