[INFO] cloning repository https://github.com/Bestra/lox-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bestra/lox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBestra%2Flox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBestra%2Flox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0534ee5bf78d44d8ed0b13be864ceb16a664f4c0
[INFO] testing Bestra/lox-rs against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBestra%2Flox-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bestra/lox-rs on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bestra/lox-rs
[INFO] finished tweaking git repo https://github.com/Bestra/lox-rs
[INFO] tweaked toml for git repo https://github.com/Bestra/lox-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bestra/lox-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rprompt v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b427853e8330a02edfa55bf3d80127c77408f3460c103145ea5d9f59b956962
[INFO] running `Command { std: "docker" "start" "-a" "4b427853e8330a02edfa55bf3d80127c77408f3460c103145ea5d9f59b956962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b427853e8330a02edfa55bf3d80127c77408f3460c103145ea5d9f59b956962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b427853e8330a02edfa55bf3d80127c77408f3460c103145ea5d9f59b956962", kill_on_drop: false }`
[INFO] [stdout] 4b427853e8330a02edfa55bf3d80127c77408f3460c103145ea5d9f59b956962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c1f0acbe84433d1f88269233c247b9279352a0d745aaf1d117348213800421f
[INFO] running `Command { std: "docker" "start" "-a" "1c1f0acbe84433d1f88269233c247b9279352a0d745aaf1d117348213800421f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rprompt v1.0.3
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/scanner.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |         '0'...'9' => true,
[INFO] [stdout]   |            ^^^ help: use `..=` for an inclusive range
[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]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |         'a'...'z' | 'A'...'Z' | '_' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         'a'...'z' | 'A'...'Z' | '_' => true,
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lox_value.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Fn(Rc<LoxCallable>),
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Fn(Rc<dyn LoxCallable>),
[INFO] [stdout]    |           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/interpreter.rs:300:44
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn into_callable(e: LoxValue) -> Option<Rc<LoxCallable>> {
[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] 300 | fn into_callable(e: LoxValue) -> Option<Rc<dyn LoxCallable>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lox_callable.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl fmt::Display for LoxCallable {
[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] 14 | impl fmt::Display for dyn LoxCallable {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token` and `message` are never read
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ParseError {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 7 |     token: Token,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     message: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token` and `message` are never read
[INFO] [stdout]   --> src/resolver.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 20 |     token: Token,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let mut interpreter = Interpreter::new();
[INFO] [stdout]    |                 ----^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "1c1f0acbe84433d1f88269233c247b9279352a0d745aaf1d117348213800421f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1f0acbe84433d1f88269233c247b9279352a0d745aaf1d117348213800421f", kill_on_drop: false }`
[INFO] [stdout] 1c1f0acbe84433d1f88269233c247b9279352a0d745aaf1d117348213800421f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 309c353376a7615aa92acd4517b18f24da11ecd1c1e3eeebd8e6c17474790b12
[INFO] running `Command { std: "docker" "start" "-a" "309c353376a7615aa92acd4517b18f24da11ecd1c1e3eeebd8e6c17474790b12", kill_on_drop: false }`
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/scanner.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |         '0'...'9' => true,
[INFO] [stdout]   |            ^^^ help: use `..=` for an inclusive range
[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]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |         'a'...'z' | 'A'...'Z' | '_' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         'a'...'z' | 'A'...'Z' | '_' => true,
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lox_value.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Fn(Rc<LoxCallable>),
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Fn(Rc<dyn LoxCallable>),
[INFO] [stdout]    |           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/interpreter.rs:300:44
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn into_callable(e: LoxValue) -> Option<Rc<LoxCallable>> {
[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] 300 | fn into_callable(e: LoxValue) -> Option<Rc<dyn LoxCallable>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lox_callable.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl fmt::Display for LoxCallable {
[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] 14 | impl fmt::Display for dyn LoxCallable {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token` and `message` are never read
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ParseError {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 7 |     token: Token,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     message: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token` and `message` are never read
[INFO] [stdout]   --> src/resolver.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 20 |     token: Token,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `Scanner`
[INFO] [stdout]    --> src/scanner.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     use Scanner;
[INFO] [stdout]     |         ^^^^^^^ no `Scanner` in the root
[INFO] [stdout]     |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]     |
[INFO] [stdout] 233 |     use scanner;
[INFO] [stdout]     |         ~~~~~~~
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]     |
[INFO] [stdout] 233 |     use scanner::Scanner;
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `TokenType`
[INFO] [stdout]    --> src/scanner.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     use TokenType;
[INFO] [stdout]     |         ^^^^^^^^^ no `TokenType` in the root
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum instead
[INFO] [stdout]     |
[INFO] [stdout] 234 |     use token::TokenType;
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let mut interpreter = Interpreter::new();
[INFO] [stdout]    |                 ----^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/scanner.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |         '0'...'9' => true,
[INFO] [stdout]   |            ^^^ help: use `..=` for an inclusive range
[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]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |         'a'...'z' | 'A'...'Z' | '_' => true,
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         'a'...'z' | 'A'...'Z' | '_' => true,
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lox_value.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Fn(Rc<LoxCallable>),
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Fn(Rc<dyn LoxCallable>),
[INFO] [stdout]    |           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/interpreter.rs:300:44
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn into_callable(e: LoxValue) -> Option<Rc<LoxCallable>> {
[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] 300 | fn into_callable(e: LoxValue) -> Option<Rc<dyn LoxCallable>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lox_callable.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl fmt::Display for LoxCallable {
[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] 14 | impl fmt::Display for dyn LoxCallable {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lox` (lib test) due to 3 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "309c353376a7615aa92acd4517b18f24da11ecd1c1e3eeebd8e6c17474790b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309c353376a7615aa92acd4517b18f24da11ecd1c1e3eeebd8e6c17474790b12", kill_on_drop: false }`
[INFO] [stdout] 309c353376a7615aa92acd4517b18f24da11ecd1c1e3eeebd8e6c17474790b12
