[INFO] cloning repository https://github.com/LPGhatguy/mab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LPGhatguy/mab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLPGhatguy%2Fmab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLPGhatguy%2Fmab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d2c4d111dc93eac3d9446d7c581a98b44e33224
[INFO] testing LPGhatguy/mab against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLPGhatguy%2Fmab" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LPGhatguy/mab on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LPGhatguy/mab
[INFO] finished tweaking git repo https://github.com/LPGhatguy/mab
[INFO] tweaked toml for git repo https://github.com/LPGhatguy/mab written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/LPGhatguy/mab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.13.7
[INFO] [stderr]   Downloaded serde_derive v1.0.45
[INFO] [stderr]   Downloaded serde v1.0.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7ea827f30c5ff17af9bf48e93ca4a6f63f5bde1635de5437dd3f786623d35c5
[INFO] running `Command { std: "docker" "start" "-a" "d7ea827f30c5ff17af9bf48e93ca4a6f63f5bde1635de5437dd3f786623d35c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ea827f30c5ff17af9bf48e93ca4a6f63f5bde1635de5437dd3f786623d35c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ea827f30c5ff17af9bf48e93ca4a6f63f5bde1635de5437dd3f786623d35c5", kill_on_drop: false }`
[INFO] [stdout] d7ea827f30c5ff17af9bf48e93ca4a6f63f5bde1635de5437dd3f786623d35c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb90b90f478268f3e064191e8912489ec2bfb3de9a7a1531f8a67942c3da0282
[INFO] running `Command { std: "docker" "start" "-a" "eb90b90f478268f3e064191e8912489ec2bfb3de9a7a1531f8a67942c3da0282", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling serde v1.0.45
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.45
[INFO] [stderr]    Compiling mab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/emitter.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn emit_chunk<'a>(w: &mut Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn emit_chunk<'a>(w: &mut Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout] 5 + pub fn emit_chunk<'a>(w: &mut dyn Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn emit_statement<'a>(w: &mut Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 - fn emit_statement<'a>(w: &mut Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout] 13 + fn emit_statement<'a>(w: &mut dyn Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn emit_assignment<'a>(w: &mut Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn emit_assignment<'a>(w: &mut Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout] 29 + fn emit_assignment<'a>(w: &mut dyn Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn emit_local_assignment<'a>(w: &mut Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 - fn emit_local_assignment<'a>(w: &mut Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout] 35 + fn emit_local_assignment<'a>(w: &mut dyn Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn emit_function_call<'a>(w: &mut Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 - fn emit_function_call<'a>(w: &mut Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout] 41 + fn emit_function_call<'a>(w: &mut dyn Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn emit_numeric_for<'a>(w: &mut Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 - fn emit_numeric_for<'a>(w: &mut Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout] 47 + fn emit_numeric_for<'a>(w: &mut dyn Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn emit_generic_for<'a>(w: &mut Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 - fn emit_generic_for<'a>(w: &mut Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout] 53 + fn emit_generic_for<'a>(w: &mut dyn Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:59:34
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn emit_if_statement<'a>(w: &mut Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 - fn emit_if_statement<'a>(w: &mut Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout] 59 + fn emit_if_statement<'a>(w: &mut dyn Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn emit_while_loop<'a>(w: &mut Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 - fn emit_while_loop<'a>(w: &mut Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout] 65 + fn emit_while_loop<'a>(w: &mut dyn Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn emit_repeat_loop<'a>(w: &mut Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 - fn emit_repeat_loop<'a>(w: &mut Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout] 71 + fn emit_repeat_loop<'a>(w: &mut dyn Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn emit_function_declaration<'a>(w: &mut Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 - fn emit_function_declaration<'a>(w: &mut Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout] 77 + fn emit_function_declaration<'a>(w: &mut dyn Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "eb90b90f478268f3e064191e8912489ec2bfb3de9a7a1531f8a67942c3da0282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb90b90f478268f3e064191e8912489ec2bfb3de9a7a1531f8a67942c3da0282", kill_on_drop: false }`
[INFO] [stdout] eb90b90f478268f3e064191e8912489ec2bfb3de9a7a1531f8a67942c3da0282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9edfab4f1ca743ebb8d7c5e435e9e7d6e6ef9abc11a449700117ec24df39d39c
[INFO] running `Command { std: "docker" "start" "-a" "9edfab4f1ca743ebb8d7c5e435e9e7d6e6ef9abc11a449700117ec24df39d39c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/emitter.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn emit_chunk<'a>(w: &mut Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn emit_chunk<'a>(w: &mut Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout] 5 + pub fn emit_chunk<'a>(w: &mut dyn Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn emit_statement<'a>(w: &mut Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 - fn emit_statement<'a>(w: &mut Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout] 13 + fn emit_statement<'a>(w: &mut dyn Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn emit_assignment<'a>(w: &mut Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn emit_assignment<'a>(w: &mut Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout] 29 + fn emit_assignment<'a>(w: &mut dyn Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn emit_local_assignment<'a>(w: &mut Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 - fn emit_local_assignment<'a>(w: &mut Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout] 35 + fn emit_local_assignment<'a>(w: &mut dyn Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn emit_function_call<'a>(w: &mut Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 - fn emit_function_call<'a>(w: &mut Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout] 41 + fn emit_function_call<'a>(w: &mut dyn Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn emit_numeric_for<'a>(w: &mut Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 - fn emit_numeric_for<'a>(w: &mut Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout] 47 + fn emit_numeric_for<'a>(w: &mut dyn Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn emit_generic_for<'a>(w: &mut Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 - fn emit_generic_for<'a>(w: &mut Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout] 53 + fn emit_generic_for<'a>(w: &mut dyn Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:59:34
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn emit_if_statement<'a>(w: &mut Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 - fn emit_if_statement<'a>(w: &mut Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout] 59 + fn emit_if_statement<'a>(w: &mut dyn Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn emit_while_loop<'a>(w: &mut Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 - fn emit_while_loop<'a>(w: &mut Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout] 65 + fn emit_while_loop<'a>(w: &mut dyn Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn emit_repeat_loop<'a>(w: &mut Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 - fn emit_repeat_loop<'a>(w: &mut Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout] 71 + fn emit_repeat_loop<'a>(w: &mut dyn Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn emit_function_declaration<'a>(w: &mut Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 - fn emit_function_declaration<'a>(w: &mut Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout] 77 + fn emit_function_declaration<'a>(w: &mut dyn Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling mab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tokenizer.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 226 | / lazy_static! {
[INFO] [stdout] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stdout] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stdout] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stdout] ...   |
[INFO] [stdout] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stdout] 275 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/emitter.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn emit_chunk<'a>(w: &mut Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn emit_chunk<'a>(w: &mut Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout] 5 + pub fn emit_chunk<'a>(w: &mut dyn Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn emit_statement<'a>(w: &mut Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 - fn emit_statement<'a>(w: &mut Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout] 13 + fn emit_statement<'a>(w: &mut dyn Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn emit_assignment<'a>(w: &mut Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn emit_assignment<'a>(w: &mut Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout] 29 + fn emit_assignment<'a>(w: &mut dyn Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn emit_local_assignment<'a>(w: &mut Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 - fn emit_local_assignment<'a>(w: &mut Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout] 35 + fn emit_local_assignment<'a>(w: &mut dyn Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn emit_function_call<'a>(w: &mut Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 - fn emit_function_call<'a>(w: &mut Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout] 41 + fn emit_function_call<'a>(w: &mut dyn Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn emit_numeric_for<'a>(w: &mut Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 - fn emit_numeric_for<'a>(w: &mut Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout] 47 + fn emit_numeric_for<'a>(w: &mut dyn Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn emit_generic_for<'a>(w: &mut Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 - fn emit_generic_for<'a>(w: &mut Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout] 53 + fn emit_generic_for<'a>(w: &mut dyn Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:59:34
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn emit_if_statement<'a>(w: &mut Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 - fn emit_if_statement<'a>(w: &mut Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout] 59 + fn emit_if_statement<'a>(w: &mut dyn Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn emit_while_loop<'a>(w: &mut Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 - fn emit_while_loop<'a>(w: &mut Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout] 65 + fn emit_while_loop<'a>(w: &mut dyn Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn emit_repeat_loop<'a>(w: &mut Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 - fn emit_repeat_loop<'a>(w: &mut Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout] 71 + fn emit_repeat_loop<'a>(w: &mut dyn Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/emitter.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn emit_function_declaration<'a>(w: &mut Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 - fn emit_function_declaration<'a>(w: &mut Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout] 77 + fn emit_function_declaration<'a>(w: &mut dyn Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 45.98s
[INFO] running `Command { std: "docker" "inspect" "9edfab4f1ca743ebb8d7c5e435e9e7d6e6ef9abc11a449700117ec24df39d39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edfab4f1ca743ebb8d7c5e435e9e7d6e6ef9abc11a449700117ec24df39d39c", kill_on_drop: false }`
[INFO] [stdout] 9edfab4f1ca743ebb8d7c5e435e9e7d6e6ef9abc11a449700117ec24df39d39c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57bc0e5e0807a4222472f304c68072f63ccf87e89f7e1756ebb3b054e3069391
[INFO] running `Command { std: "docker" "start" "-a" "57bc0e5e0807a4222472f304c68072f63ccf87e89f7e1756ebb3b054e3069391", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/tokenizer.rs:226:1
[INFO] [stderr]     |
[INFO] [stderr] 226 | / lazy_static! {
[INFO] [stderr] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stderr] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stderr] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stderr] ...   |
[INFO] [stderr] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stderr] 275 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/tokenizer.rs:226:1
[INFO] [stderr]     |
[INFO] [stderr] 226 | / lazy_static! {
[INFO] [stderr] 227 | |     static ref SYMBOLS: Vec<Symbol> = vec![
[INFO] [stderr] 228 | |         Symbol::LeftBrace, Symbol::RightBrace,
[INFO] [stderr] 229 | |         Symbol::LeftBracket, Symbol::RightBracket,
[INFO] [stderr] ...   |
[INFO] [stderr] 274 | |     static ref PATTERN_CHARS_AFTER_NEWLINE: Regex = Regex::new(r"\n[^\n]+$").unwrap();
[INFO] [stderr] 275 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/emitter.rs:5:31
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn emit_chunk<'a>(w: &mut Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn emit_chunk<'a>(w: &mut Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stderr] 5 + pub fn emit_chunk<'a>(w: &mut dyn Write, chunk: &Chunk<'a>) -> fmt::Result {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn emit_statement<'a>(w: &mut Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 - fn emit_statement<'a>(w: &mut Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stderr] 13 + fn emit_statement<'a>(w: &mut dyn Write, statement: &Statement<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn emit_assignment<'a>(w: &mut Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 - fn emit_assignment<'a>(w: &mut Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stderr] 29 + fn emit_assignment<'a>(w: &mut dyn Write, _assignment: &Assignment<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:35:38
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn emit_local_assignment<'a>(w: &mut Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stderr]    |                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 35 - fn emit_local_assignment<'a>(w: &mut Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stderr] 35 + fn emit_local_assignment<'a>(w: &mut dyn Write, _assignment: &LocalAssignment<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:41:35
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn emit_function_call<'a>(w: &mut Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 - fn emit_function_call<'a>(w: &mut Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stderr] 41 + fn emit_function_call<'a>(w: &mut dyn Write, _function_call: &FunctionCall<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn emit_numeric_for<'a>(w: &mut Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 47 - fn emit_numeric_for<'a>(w: &mut Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stderr] 47 + fn emit_numeric_for<'a>(w: &mut dyn Write, _numeric_for: &NumericFor<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:53:33
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn emit_generic_for<'a>(w: &mut Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 - fn emit_generic_for<'a>(w: &mut Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stderr] 53 + fn emit_generic_for<'a>(w: &mut dyn Write, _generic_for: &GenericFor<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:59:34
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn emit_if_statement<'a>(w: &mut Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 59 - fn emit_if_statement<'a>(w: &mut Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stderr] 59 + fn emit_if_statement<'a>(w: &mut dyn Write, _if_statement: &IfStatement<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:65:32
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn emit_while_loop<'a>(w: &mut Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 65 - fn emit_while_loop<'a>(w: &mut Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stderr] 65 + fn emit_while_loop<'a>(w: &mut dyn Write, _while_loop: &WhileLoop<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:71:33
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn emit_repeat_loop<'a>(w: &mut Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 71 - fn emit_repeat_loop<'a>(w: &mut Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stderr] 71 + fn emit_repeat_loop<'a>(w: &mut dyn Write, _repeat_loop: &RepeatLoop<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emitter.rs:77:42
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn emit_function_declaration<'a>(w: &mut Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 77 - fn emit_function_declaration<'a>(w: &mut Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stderr] 77 + fn emit_function_declaration<'a>(w: &mut dyn Write, _function_declaration: &FunctionDeclaration<'a>) -> fmt::Result {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `mab` (lib) generated 21 warnings (8 duplicates)
[INFO] [stderr] warning: `mab` (lib test) generated 21 warnings (21 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mab-f89030155d00b515)
[INFO] [stderr]      Running tests/parse_by_example.rs (/opt/rustwide/target/debug/deps/parse_by_example-e46305e724567550)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/should_not_parse.rs (/opt/rustwide/target/debug/deps/should_not_parse-adcb5483ffe54f14)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test emitter::tests::emit_empty_chunk ... ok
[INFO] [stdout] test ast::function_name_tests::to_string ... ok
[INFO] [stdout] test tokenizer::tests::get_new_line_info ... ok
[INFO] [stdout] test tokenizer::tests::whitespace ... ok
[INFO] [stdout] test tokenizer::tests::whitespace_when_none_present ... ok
[INFO] [stdout] test tokenizer::tests::keyword_vs_identifier ... ok
[INFO] [stdout] test tokenizer::tests::source_tracking ... ok
[INFO] [stdout] test tokenizer::tests::number_literals ... ok
[INFO] [stdout] test tokenizer::tests::string_literals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_by_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_not_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mab
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57bc0e5e0807a4222472f304c68072f63ccf87e89f7e1756ebb3b054e3069391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bc0e5e0807a4222472f304c68072f63ccf87e89f7e1756ebb3b054e3069391", kill_on_drop: false }`
[INFO] [stdout] 57bc0e5e0807a4222472f304c68072f63ccf87e89f7e1756ebb3b054e3069391