[INFO] fetching crate lavish-compiler 0.4.0...
[INFO] checking lavish-compiler-0.4.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate lavish-compiler 0.4.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate lavish-compiler 0.4.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lavish-compiler 0.4.0
[INFO] finished tweaking crates.io crate lavish-compiler 0.4.0
[INFO] tweaked toml for crates.io crate lavish-compiler 0.4.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0074232ff751938d1a8bc1d850130d80024a84e15fb306e8b370686b44044eeb
[INFO] running `Command { std: "docker" "start" "-a" "0074232ff751938d1a8bc1d850130d80024a84e15fb306e8b370686b44044eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0074232ff751938d1a8bc1d850130d80024a84e15fb306e8b370686b44044eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0074232ff751938d1a8bc1d850130d80024a84e15fb306e8b370686b44044eeb", kill_on_drop: false }`
[INFO] [stdout] 0074232ff751938d1a8bc1d850130d80024a84e15fb306e8b370686b44044eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aa0dc5d0c61c86c97fa9900dcb6454d0c180846451c8772ac45c496380e8caa
[INFO] running `Command { std: "docker" "start" "-a" "6aa0dc5d0c61c86c97fa9900dcb6454d0c180846451c8772ac45c496380e8caa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking simple-error v0.2.3
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking lavish-compiler v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/anchored.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) frames: Vec<&'a Frame>,
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/anchored.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new(frame: &'a Frame) -> Self {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:100:35
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn push(&self, frame: &'a Frame) -> Self {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:274:41
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn for_each_fun(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:280:44
[INFO] [stdout]     |
[INFO] [stdout] 280 |     pub fn for_each_struct(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:286:42
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn for_each_enum(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:292:47
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn for_each_namespace(&self, cb: &mut FnMut(Anchored<&NamespaceBody>)) {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&NamespaceBody>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:298:51
[INFO] [stdout]     |
[INFO] [stdout] 298 |     pub fn for_each_fun_of_schema(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:306:54
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn for_each_struct_of_schema(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:316:52
[INFO] [stdout]     |
[INFO] [stdout] 316 |     pub fn for_each_enum_of_schema(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:332:51
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn for_each_fun_of_schema(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:341:54
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn for_each_struct_of_schema(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:350:52
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn for_each_enum_of_schema(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/codegen/output.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     writer: &'a mut fmt::Write,
[INFO] [stdout]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/codegen/output.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(writer: &'a mut fmt::Write) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/codegen/output.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn fmt<F>(writer: &'a mut fmt::Write, f: F) -> std::fmt::Result
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/codegen/rust/ir/lang.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |     body: Option<Box<Fn(&mut Scope) + 'a>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Scope) + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/codegen/rust/ir/lang.rs:193:22
[INFO] [stdout]     |
[INFO] [stdout] 193 |     body: Option<Box<Fn(&mut Scope) + 'a>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Scope) + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/codegen/rust/ir/protocol.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn for_each_fun(&self, cb: &mut FnMut(ast::Anchored<&ast::FunctionDecl>)) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(ast::Anchored<&ast::FunctionDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/codegen/rust/ir/types.rs:5:64
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn as_rust<'a>(&'a self, stack: &'a ast::Stack<'a>) -> Box<fmt::Display + 'a>;
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/codegen/rust/ir/types.rs:11:64
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn as_rust<'a>(&'a self, stack: &'a ast::Stack<'a>) -> Box<fmt::Display + 'a> {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/anchored.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) frames: Vec<&'a Frame>,
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/anchored.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new(frame: &'a Frame) -> Self {
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:100:35
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn push(&self, frame: &'a Frame) -> Self {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:274:41
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn for_each_fun(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:280:44
[INFO] [stdout]     |
[INFO] [stdout] 280 |     pub fn for_each_struct(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:286:42
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn for_each_enum(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:292:47
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn for_each_namespace(&self, cb: &mut FnMut(Anchored<&NamespaceBody>)) {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&NamespaceBody>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:298:51
[INFO] [stdout]     |
[INFO] [stdout] 298 |     pub fn for_each_fun_of_schema(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:306:54
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn for_each_struct_of_schema(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:316:52
[INFO] [stdout]     |
[INFO] [stdout] 316 |     pub fn for_each_enum_of_schema(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:332:51
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn for_each_fun_of_schema(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:341:54
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn for_each_struct_of_schema(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/anchored.rs:350:52
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn for_each_enum_of_schema(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/codegen/output.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     writer: &'a mut fmt::Write,
[INFO] [stdout]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/codegen/output.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(writer: &'a mut fmt::Write) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/codegen/output.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn fmt<F>(writer: &'a mut fmt::Write, f: F) -> std::fmt::Result
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/codegen/rust/ir/lang.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |     body: Option<Box<Fn(&mut Scope) + 'a>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Scope) + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/codegen/rust/ir/lang.rs:193:22
[INFO] [stdout]     |
[INFO] [stdout] 193 |     body: Option<Box<Fn(&mut Scope) + 'a>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Scope) + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/codegen/rust/ir/protocol.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn for_each_fun(&self, cb: &mut FnMut(ast::Anchored<&ast::FunctionDecl>)) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(ast::Anchored<&ast::FunctionDecl>)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/codegen/rust/ir/types.rs:5:64
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn as_rust<'a>(&'a self, stack: &'a ast::Stack<'a>) -> Box<fmt::Display + 'a>;
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/codegen/rust/ir/types.rs:11:64
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn as_rust<'a>(&'a self, stack: &'a ast::Stack<'a>) -> Box<fmt::Display + 'a> {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "6aa0dc5d0c61c86c97fa9900dcb6454d0c180846451c8772ac45c496380e8caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa0dc5d0c61c86c97fa9900dcb6454d0c180846451c8772ac45c496380e8caa", kill_on_drop: false }`
[INFO] [stdout] 6aa0dc5d0c61c86c97fa9900dcb6454d0c180846451c8772ac45c496380e8caa