[INFO] cloning repository https://github.com/Lapz/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lapz/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab169a8937bcb2afaa414e492495dc0880999425
[INFO] testing Lapz/lox 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%2FLapz%2Flox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lapz/lox 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/Lapz/lox
[INFO] finished tweaking git repo https://github.com/Lapz/lox
[INFO] tweaked toml for git repo https://github.com/Lapz/lox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lapz/lox 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a18c4f0d94fbd36c4369369d4791f7bec262b0475485d88a2a5145cbb48a8fff
[INFO] running `Command { std: "docker" "start" "-a" "a18c4f0d94fbd36c4369369d4791f7bec262b0475485d88a2a5145cbb48a8fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a18c4f0d94fbd36c4369369d4791f7bec262b0475485d88a2a5145cbb48a8fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18c4f0d94fbd36c4369369d4791f7bec262b0475485d88a2a5145cbb48a8fff", kill_on_drop: false }`
[INFO] [stdout] a18c4f0d94fbd36c4369369d4791f7bec262b0475485d88a2a5145cbb48a8fff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 81f8a5b13896d9e6cfde0c1c0f819b3f6a866970fec66a9bb4cb5e9e4f1e7275
[INFO] running `Command { std: "docker" "start" "-a" "81f8a5b13896d9e6cfde0c1c0f819b3f6a866970fec66a9bb4cb5e9e4f1e7275", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `nll` has been stable since `1.63.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     prefix: HashMap<RuleToken, &'a PrefixParser>,
[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] 22 |     prefix: HashMap<RuleToken, &'a dyn PrefixParser>,
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |     infix: HashMap<RuleToken, &'a InfixParser>,
[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] 23 |     infix: HashMap<RuleToken, &'a dyn InfixParser>,
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `IndexParselet: InfixParser` is not satisfied
[INFO] [stdout]    --> src/compiler.rs:96:44
[INFO] [stdout]     |
[INFO] [stdout] 96  |         compiler.infix(RuleToken::LBracket,&IndexParselet(Precedence::Call));
[INFO] [stdout]     |                  -----                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `InfixParser` is not implemented for `IndexParselet`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `InfixParser` is implemented for `BinaryParselet`
[INFO] [stdout] note: required by a bound in `Compiler::<'a>::infix`
[INFO] [stdout]    --> src/compiler.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn infix<T: InfixParser + 'a>(&mut self, ty: RuleToken, parser: &'a T) {
[INFO] [stdout]     |                     ^^^^^^^^^^^ required by this bound in `Compiler::<'a>::infix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lox` (bin "lox") due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "81f8a5b13896d9e6cfde0c1c0f819b3f6a866970fec66a9bb4cb5e9e4f1e7275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f8a5b13896d9e6cfde0c1c0f819b3f6a866970fec66a9bb4cb5e9e4f1e7275", kill_on_drop: false }`
[INFO] [stdout] 81f8a5b13896d9e6cfde0c1c0f819b3f6a866970fec66a9bb4cb5e9e4f1e7275
