[INFO] fetching crate derive_from 0.1.1... [INFO] testing derive_from-0.1.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate derive_from 0.1.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate derive_from 0.1.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate derive_from 0.1.1 [INFO] finished tweaking crates.io crate derive_from 0.1.1 [INFO] tweaked toml for crates.io crate derive_from 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] fce445ba3067a47c808ca8784ca54094d3c25d46f80e3efd03976ffc5f864cd4 [INFO] running `Command { std: "docker" "start" "-a" "fce445ba3067a47c808ca8784ca54094d3c25d46f80e3efd03976ffc5f864cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fce445ba3067a47c808ca8784ca54094d3c25d46f80e3efd03976ffc5f864cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fce445ba3067a47c808ca8784ca54094d3c25d46f80e3efd03976ffc5f864cd4", kill_on_drop: false }` [INFO] [stdout] fce445ba3067a47c808ca8784ca54094d3c25d46f80e3efd03976ffc5f864cd4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b8468bb34876aeca7b151b925a452bedc6aab818fc264dc6d7c0930165724a6d [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" "b8468bb34876aeca7b151b925a452bedc6aab818fc264dc6d7c0930165724a6d", kill_on_drop: false }` [INFO] [stderr] Compiling derive_from v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(plugin_registrar, box_syntax, rustc_private, custom_derive, quote)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: a __rustc_plugin_registrar symbol must now be defined instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:57 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(plugin_registrar, box_syntax, rustc_private, custom_derive, quote)] [INFO] [stdout] | ^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: subsumed by `#[proc_macro_derive]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:72 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(plugin_registrar, box_syntax, rustc_private, custom_derive, quote)] [INFO] [stdout] | ^^^^^ feature has been removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rustc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: please recompile that crate using --crate-type lib [INFO] [stdout] = note: the following crate versions were found: [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.tsan.a [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.msan.a [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.asan.a [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.lsan.a [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rustc_front` [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate rustc_front; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] | [INFO] [stdout] = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin` [INFO] [stdout] --> src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | extern crate rustc_plugin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] | [INFO] [stdout] = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `syntax` [INFO] [stdout] --> src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate syntax; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `syntax_ext` [INFO] [stdout] --> src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate syntax_ext; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope [INFO] [stdout] --> src/lib.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | #[plugin_registrar] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `plugin_registrar` is in scope, but it is a function, not an attribute [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find macro `quote_item` in this scope [INFO] [stdout] --> src/lib.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | let code = quote_item!(cx, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find macro `quote_item` in this scope [INFO] [stdout] --> src/lib.rs:104:20 [INFO] [stdout] | [INFO] [stdout] 104 | let code = quote_item!(cx, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Annotatable` [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | Annotatable::Item(ref x) => { [INFO] [stdout] | ^^^^^^^^^^^ use of undeclared type `Annotatable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ItemKind` [INFO] [stdout] --> src/lib.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | ItemKind::Struct(VariantData::Tuple(ref structs, _), _) => { [INFO] [stdout] | ^^^^^^^^ use of undeclared type `ItemKind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VariantData` [INFO] [stdout] --> src/lib.rs:38:34 [INFO] [stdout] | [INFO] [stdout] 38 | ItemKind::Struct(VariantData::Tuple(ref structs, _), _) => { [INFO] [stdout] | ^^^^^^^^^^^ use of undeclared type `VariantData` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ItemKind` [INFO] [stdout] --> src/lib.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | ItemKind::Enum(ref definition, _) => { [INFO] [stdout] | ^^^^^^^^ use of undeclared type `ItemKind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Annotatable` [INFO] [stdout] --> src/lib.rs:73:10 [INFO] [stdout] | [INFO] [stdout] 73 | push(Annotatable::Item(code)); [INFO] [stdout] | ^^^^^^^^^^^ use of undeclared type `Annotatable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VariantData` [INFO] [stdout] --> src/lib.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | VariantData::Tuple(ref structs, _) => { [INFO] [stdout] | ^^^^^^^^^^^ use of undeclared type `VariantData` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Annotatable` [INFO] [stdout] --> src/lib.rs:112:14 [INFO] [stdout] | [INFO] [stdout] 112 | push(Annotatable::Item(code)); [INFO] [stdout] | ^^^^^^^^^^^ use of undeclared type `Annotatable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Registry` in this scope [INFO] [stdout] --> src/lib.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn plugin_registrar(reg: &mut Registry) { [INFO] [stdout] | ^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `intern` in this scope [INFO] [stdout] --> src/lib.rs:18:35 [INFO] [stdout] | [INFO] [stdout] 18 | reg.register_syntax_extension(intern("derive_From"), MultiDecorator(box expand_derive_from)); [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `MultiDecorator` in this scope [INFO] [stdout] --> src/lib.rs:18:58 [INFO] [stdout] | [INFO] [stdout] 18 | reg.register_syntax_extension(intern("derive_From"), MultiDecorator(box expand_derive_from)); [INFO] [stdout] | ^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope [INFO] [stdout] --> src/lib.rs:31:32 [INFO] [stdout] | [INFO] [stdout] 31 | fn expand_derive_from(cx: &mut ExtCtxt, span: Span, _: &MetaItem, [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Span` in this scope [INFO] [stdout] --> src/lib.rs:31:47 [INFO] [stdout] | [INFO] [stdout] 31 | fn expand_derive_from(cx: &mut ExtCtxt, span: Span, _: &MetaItem, [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `MetaItem` in this scope [INFO] [stdout] --> src/lib.rs:31:57 [INFO] [stdout] | [INFO] [stdout] 31 | fn expand_derive_from(cx: &mut ExtCtxt, span: Span, _: &MetaItem, [INFO] [stdout] | ^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Annotatable` in this scope [INFO] [stdout] --> src/lib.rs:32:34 [INFO] [stdout] | [INFO] [stdout] 32 | item: &Annotatable, push: &mut FnMut(Annotatable)) { [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Annotatable` in this scope [INFO] [stdout] --> src/lib.rs:32:64 [INFO] [stdout] | [INFO] [stdout] 32 | item: &Annotatable, push: &mut FnMut(Annotatable)) { [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope [INFO] [stdout] --> src/lib.rs:63:26 [INFO] [stdout] | [INFO] [stdout] 63 | fn newtype_from(cx: &mut ExtCtxt, ident: Ident, old_type: P, [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Ident` in this scope [INFO] [stdout] --> src/lib.rs:63:42 [INFO] [stdout] | [INFO] [stdout] 63 | fn newtype_from(cx: &mut ExtCtxt, ident: Ident, old_type: P, [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `P` in this scope [INFO] [stdout] --> src/lib.rs:63:59 [INFO] [stdout] | [INFO] [stdout] 63 | fn newtype_from(cx: &mut ExtCtxt, ident: Ident, old_type: P, [INFO] [stdout] | ^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Ty` in this scope [INFO] [stdout] --> src/lib.rs:63:61 [INFO] [stdout] | [INFO] [stdout] 63 | fn newtype_from(cx: &mut ExtCtxt, ident: Ident, old_type: P, [INFO] [stdout] | - ^^ not found in this scope [INFO] [stdout] | | [INFO] [stdout] | help: you might be missing a type parameter: `` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Annotatable` in this scope [INFO] [stdout] --> src/lib.rs:64:34 [INFO] [stdout] | [INFO] [stdout] 64 | push: &mut FnMut(Annotatable)) { [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope [INFO] [stdout] --> src/lib.rs:76:23 [INFO] [stdout] | [INFO] [stdout] 76 | fn enum_from(cx: &mut ExtCtxt, enum_ident: Ident, definition: &EnumDef, [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Ident` in this scope [INFO] [stdout] --> src/lib.rs:76:44 [INFO] [stdout] | [INFO] [stdout] 76 | fn enum_from(cx: &mut ExtCtxt, enum_ident: Ident, definition: &EnumDef, [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `EnumDef` in this scope [INFO] [stdout] --> src/lib.rs:76:64 [INFO] [stdout] | [INFO] [stdout] 76 | fn enum_from(cx: &mut ExtCtxt, enum_ident: Ident, definition: &EnumDef, [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Annotatable` in this scope [INFO] [stdout] --> src/lib.rs:77:31 [INFO] [stdout] | [INFO] [stdout] 77 | push: &mut FnMut(Annotatable)) { [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `ty_to_string` in this scope [INFO] [stdout] --> src/lib.rs:89:53 [INFO] [stdout] | [INFO] [stdout] 89 | let counter = type_counts.entry(ty_to_string(&*ty)).or_insert(0); [INFO] [stdout] | ^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `ty_to_string` in this scope [INFO] [stdout] --> src/lib.rs:98:30 [INFO] [stdout] | [INFO] [stdout] 98 | if *type_counts.get(&ty_to_string(&*old_type)).unwrap() != 1 { [INFO] [stdout] | ^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(plugin_registrar, box_syntax, rustc_private, custom_derive, quote)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:32:58 [INFO] [stdout] | [INFO] [stdout] 32 | item: &Annotatable, push: &mut FnMut(Annotatable)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 32 - item: &Annotatable, push: &mut FnMut(Annotatable)) { [INFO] [stdout] 32 + item: &Annotatable, push: &mut dyn FnMut(Annotatable)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:64:28 [INFO] [stdout] | [INFO] [stdout] 64 | push: &mut FnMut(Annotatable)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 64 - push: &mut FnMut(Annotatable)) { [INFO] [stdout] 64 + push: &mut dyn FnMut(Annotatable)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:77:25 [INFO] [stdout] | [INFO] [stdout] 77 | push: &mut FnMut(Annotatable)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 77 - push: &mut FnMut(Annotatable)) { [INFO] [stdout] 77 + push: &mut dyn FnMut(Annotatable)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 38 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463, E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `derive_from` due to 39 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b8468bb34876aeca7b151b925a452bedc6aab818fc264dc6d7c0930165724a6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8468bb34876aeca7b151b925a452bedc6aab818fc264dc6d7c0930165724a6d", kill_on_drop: false }` [INFO] [stdout] b8468bb34876aeca7b151b925a452bedc6aab818fc264dc6d7c0930165724a6d