[INFO] cloning repository https://github.com/fasterthanlime/lavish
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fasterthanlime/lavish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Flavish"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Flavish'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aeba319fc0e68d7b546e61b5feae8ec4ead6f51b
[INFO] checking fasterthanlime/lavish against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Flavish" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fasterthanlime/lavish on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fasterthanlime/lavish
[INFO] finished tweaking git repo https://github.com/fasterthanlime/lavish
[INFO] tweaked toml for git repo https://github.com/fasterthanlime/lavish written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fasterthanlime/lavish already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a88770ec4ec6b82dd473cebb1d8762bbbf186abe29d85086b7c87384e7901bc
[INFO] running `"docker" "start" "-a" "5a88770ec4ec6b82dd473cebb1d8762bbbf186abe29d85086b7c87384e7901bc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking simple-error v0.2.0
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking lavish-compiler v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/anchored.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub(crate) frames: Vec<&'a Frame>,
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/anchored.rs:94:27
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn new(frame: &'a Frame) -> Self {
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:100:35
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn push(&self, frame: &'a Frame) -> Self {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:274:41
[INFO] [stderr]     |
[INFO] [stderr] 274 |     pub fn for_each_fun(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:280:44
[INFO] [stderr]     |
[INFO] [stderr] 280 |     pub fn for_each_struct(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:286:42
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn for_each_enum(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:292:47
[INFO] [stderr]     |
[INFO] [stderr] 292 |     pub fn for_each_namespace(&self, cb: &mut FnMut(Anchored<&NamespaceBody>)) {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&NamespaceBody>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:298:51
[INFO] [stderr]     |
[INFO] [stderr] 298 |     pub fn for_each_fun_of_schema(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:306:54
[INFO] [stderr]     |
[INFO] [stderr] 306 |     pub fn for_each_struct_of_schema(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:316:52
[INFO] [stderr]     |
[INFO] [stderr] 316 |     pub fn for_each_enum_of_schema(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:332:51
[INFO] [stderr]     |
[INFO] [stderr] 332 |     pub fn for_each_fun_of_schema(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:341:54
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn for_each_struct_of_schema(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:350:52
[INFO] [stderr]     |
[INFO] [stderr] 350 |     pub fn for_each_enum_of_schema(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/output.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |     writer: &'a mut fmt::Write,
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/output.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn new(writer: &'a mut fmt::Write) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen/output.rs:120:35
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn fmt<F>(writer: &'a mut fmt::Write, f: F) -> std::fmt::Result
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/rust/ir/lang.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: Option<Box<Fn(&mut Scope) + 'a>>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Scope) + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen/rust/ir/lang.rs:193:22
[INFO] [stderr]     |
[INFO] [stderr] 193 |     body: Option<Box<Fn(&mut Scope) + 'a>>,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Scope) + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen/rust/ir/protocol.rs:193:37
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn for_each_fun(&self, cb: &mut FnMut(ast::Anchored<&ast::FunctionDecl>)) {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(ast::Anchored<&ast::FunctionDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/codegen/rust/ir/types.rs:5:64
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn as_rust<'a>(&'a self, stack: &'a ast::Stack<'a>) -> Box<fmt::Display + 'a>;
[INFO] [stderr]   |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/rust/ir/types.rs:11:64
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn as_rust<'a>(&'a self, stack: &'a ast::Stack<'a>) -> Box<fmt::Display + 'a> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/anchored.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub(crate) frames: Vec<&'a Frame>,
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/anchored.rs:94:27
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn new(frame: &'a Frame) -> Self {
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:100:35
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn push(&self, frame: &'a Frame) -> Self {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Frame`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:274:41
[INFO] [stderr]     |
[INFO] [stderr] 274 |     pub fn for_each_fun(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:280:44
[INFO] [stderr]     |
[INFO] [stderr] 280 |     pub fn for_each_struct(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:286:42
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn for_each_enum(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:292:47
[INFO] [stderr]     |
[INFO] [stderr] 292 |     pub fn for_each_namespace(&self, cb: &mut FnMut(Anchored<&NamespaceBody>)) {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&NamespaceBody>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:298:51
[INFO] [stderr]     |
[INFO] [stderr] 298 |     pub fn for_each_fun_of_schema(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:306:54
[INFO] [stderr]     |
[INFO] [stderr] 306 |     pub fn for_each_struct_of_schema(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:316:52
[INFO] [stderr]     |
[INFO] [stderr] 316 |     pub fn for_each_enum_of_schema(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:332:51
[INFO] [stderr]     |
[INFO] [stderr] 332 |     pub fn for_each_fun_of_schema(&self, cb: &mut FnMut(Anchored<&FunctionDecl>)) {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&FunctionDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:341:54
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn for_each_struct_of_schema(&self, cb: &mut FnMut(Anchored<&StructDecl>)) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&StructDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/anchored.rs:350:52
[INFO] [stderr]     |
[INFO] [stderr] 350 |     pub fn for_each_enum_of_schema(&self, cb: &mut FnMut(Anchored<&EnumDecl>)) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Anchored<&EnumDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/output.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |     writer: &'a mut fmt::Write,
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/output.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn new(writer: &'a mut fmt::Write) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen/output.rs:120:35
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn fmt<F>(writer: &'a mut fmt::Write, f: F) -> std::fmt::Result
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/rust/ir/lang.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: Option<Box<Fn(&mut Scope) + 'a>>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Scope) + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen/rust/ir/lang.rs:193:22
[INFO] [stderr]     |
[INFO] [stderr] 193 |     body: Option<Box<Fn(&mut Scope) + 'a>>,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Scope) + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen/rust/ir/protocol.rs:193:37
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn for_each_fun(&self, cb: &mut FnMut(ast::Anchored<&ast::FunctionDecl>)) {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(ast::Anchored<&ast::FunctionDecl>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/codegen/rust/ir/types.rs:5:64
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn as_rust<'a>(&'a self, stack: &'a ast::Stack<'a>) -> Box<fmt::Display + 'a>;
[INFO] [stderr]   |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/rust/ir/types.rs:11:64
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn as_rust<'a>(&'a self, stack: &'a ast::Stack<'a>) -> Box<fmt::Display + 'a> {
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.41s
[INFO] running `"docker" "inspect" "5a88770ec4ec6b82dd473cebb1d8762bbbf186abe29d85086b7c87384e7901bc"`
[INFO] running `"docker" "rm" "-f" "5a88770ec4ec6b82dd473cebb1d8762bbbf186abe29d85086b7c87384e7901bc"`
[INFO] [stdout] 5a88770ec4ec6b82dd473cebb1d8762bbbf186abe29d85086b7c87384e7901bc