[INFO] fetching crate lavish-compiler 0.4.0...
[INFO] testing lavish-compiler-0.4.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate lavish-compiler 0.4.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate lavish-compiler 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 976061aaf5dda2a44488e8cb56c96ca02934ca5c1a67f9c107ae408ce90f5d2d
[INFO] running `Command { std: "docker" "start" "-a" "976061aaf5dda2a44488e8cb56c96ca02934ca5c1a67f9c107ae408ce90f5d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "976061aaf5dda2a44488e8cb56c96ca02934ca5c1a67f9c107ae408ce90f5d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976061aaf5dda2a44488e8cb56c96ca02934ca5c1a67f9c107ae408ce90f5d2d", kill_on_drop: false }`
[INFO] [stdout] 976061aaf5dda2a44488e8cb56c96ca02934ca5c1a67f9c107ae408ce90f5d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1755681a200f5fdb3531836ea627096cc74b94928b55a42a78828e605d1eb0
[INFO] running `Command { std: "docker" "start" "-a" "1a1755681a200f5fdb3531836ea627096cc74b94928b55a42a78828e605d1eb0", 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]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling simple-error v0.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling 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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.17s
[INFO] running `Command { std: "docker" "inspect" "1a1755681a200f5fdb3531836ea627096cc74b94928b55a42a78828e605d1eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1755681a200f5fdb3531836ea627096cc74b94928b55a42a78828e605d1eb0", kill_on_drop: false }`
[INFO] [stdout] 1a1755681a200f5fdb3531836ea627096cc74b94928b55a42a78828e605d1eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f41ea7ffe404275d8206dcc4fb474766172847e32aeb88d21a1d34c993ac805
[INFO] running `Command { std: "docker" "start" "-a" "0f41ea7ffe404275d8206dcc4fb474766172847e32aeb88d21a1d34c993ac805", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling netbuf v0.4.1
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling 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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "0f41ea7ffe404275d8206dcc4fb474766172847e32aeb88d21a1d34c993ac805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f41ea7ffe404275d8206dcc4fb474766172847e32aeb88d21a1d34c993ac805", kill_on_drop: false }`
[INFO] [stdout] 0f41ea7ffe404275d8206dcc4fb474766172847e32aeb88d21a1d34c993ac805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13d3152594fe1d0003156cad06cac094e08fc6c10d8b8eaf74ab46cb75353958
[INFO] running `Command { std: "docker" "start" "-a" "13d3152594fe1d0003156cad06cac094e08fc6c10d8b8eaf74ab46cb75353958", kill_on_drop: false }`
[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]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `lavish-compiler` (bin "lavish" test) generated 21 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lavish-43511fb720263215)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test codegen::output::tests::test_scope ... ok
[INFO] [stdout] test parser::tests::build_remote ... ok
[INFO] [stdout] test parser::tests::build_local ... ok
[INFO] [stdout] test parser::tests::struct_comments ... ok
[INFO] [stdout] test parser::tests::target_rust ... ok
[INFO] [stdout] test parser::tests::fn_nested ... ok
[INFO] [stdout] test parser::tests::target_unknown ... ok
[INFO] [stdout] test parser::tests::struct_cookie ... ok
[INFO] [stdout] test parser::tests::fn_namespaced ... ok
[INFO] [stdout] test parser::tests::enums ... ok
[INFO] [stdout] test parser::tests::nf_simple ... ok
[INFO] [stdout] test parser::tests::struct_incomplete ... ok
[INFO] [stdout] test parser::tests::target_go ... ok
[INFO] [stdout] test parser::tests::fn_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13d3152594fe1d0003156cad06cac094e08fc6c10d8b8eaf74ab46cb75353958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d3152594fe1d0003156cad06cac094e08fc6c10d8b8eaf74ab46cb75353958", kill_on_drop: false }`
[INFO] [stdout] 13d3152594fe1d0003156cad06cac094e08fc6c10d8b8eaf74ab46cb75353958
