[INFO] fetching crate shrimplang 0.1.0... [INFO] testing shrimplang-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate shrimplang 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate shrimplang 0.1.0 [INFO] finished tweaking crates.io crate shrimplang 0.1.0 [INFO] tweaked toml for crates.io crate shrimplang 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate shrimplang 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate shrimplang 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b01df6d26cfda225995ec537716fdbcc7baf1d1c1b44c096e3d24f55383da60a [INFO] running `Command { std: "docker" "start" "-a" "b01df6d26cfda225995ec537716fdbcc7baf1d1c1b44c096e3d24f55383da60a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b01df6d26cfda225995ec537716fdbcc7baf1d1c1b44c096e3d24f55383da60a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b01df6d26cfda225995ec537716fdbcc7baf1d1c1b44c096e3d24f55383da60a", kill_on_drop: false }` [INFO] [stdout] b01df6d26cfda225995ec537716fdbcc7baf1d1c1b44c096e3d24f55383da60a [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8aae2ac020ac86cc499af67b2f43f9799a7c443d61fbc658a93adcba15447ec5 [INFO] running `Command { std: "docker" "start" "-a" "8aae2ac020ac86cc499af67b2f43f9799a7c443d61fbc658a93adcba15447ec5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling rustix v0.37.11 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling linux-raw-sys v0.3.1 [INFO] [stderr] Compiling endian-type v0.1.2 [INFO] [stderr] Compiling nibble_vec v0.1.0 [INFO] [stderr] Compiling thiserror v1.0.46 [INFO] [stderr] Compiling radix_trie v0.2.1 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling bitflags v2.4.0 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Compiling nix v0.26.2 [INFO] [stderr] Compiling logos-codegen v0.13.0 [INFO] [stderr] Compiling fd-lock v3.0.12 [INFO] [stderr] Compiling rustyline v12.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.46 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Compiling logos v0.13.0 [INFO] [stderr] Compiling shrimplang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/parser.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::{self, Token}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | dbg!(parser::parse_program(&mut parser)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = dbg!(parser::parse_program(&mut parser)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer.rs:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn lexer(source: &str) -> Lexer { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 54 | pub fn lexer(source: &str) -> Lexer<'_, Token> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.43s [INFO] running `Command { std: "docker" "inspect" "8aae2ac020ac86cc499af67b2f43f9799a7c443d61fbc658a93adcba15447ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aae2ac020ac86cc499af67b2f43f9799a7c443d61fbc658a93adcba15447ec5", kill_on_drop: false }` [INFO] [stdout] 8aae2ac020ac86cc499af67b2f43f9799a7c443d61fbc658a93adcba15447ec5 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 705b7bf706b28f2b57a03c993ebe14cec846a005a2f005dd482d4503a0a2746c [INFO] running `Command { std: "docker" "start" "-a" "705b7bf706b28f2b57a03c993ebe14cec846a005a2f005dd482d4503a0a2746c", kill_on_drop: false }` [INFO] [stderr] Compiling shrimplang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | dbg!(parser::parse_program(&mut parser)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = dbg!(parser::parse_program(&mut parser)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer.rs:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn lexer(source: &str) -> Lexer { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 54 | pub fn lexer(source: &str) -> Lexer<'_, Token> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "705b7bf706b28f2b57a03c993ebe14cec846a005a2f005dd482d4503a0a2746c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "705b7bf706b28f2b57a03c993ebe14cec846a005a2f005dd482d4503a0a2746c", kill_on_drop: false }` [INFO] [stdout] 705b7bf706b28f2b57a03c993ebe14cec846a005a2f005dd482d4503a0a2746c [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cb8aec2ecf70b337a67fa7c4daef63a2f454bcaf5ba962c1b7bb8ca0fc5c7a58 [INFO] running `Command { std: "docker" "start" "-a" "cb8aec2ecf70b337a67fa7c4daef63a2f454bcaf5ba962c1b7bb8ca0fc5c7a58", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | dbg!(parser::parse_program(&mut parser)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 31 | let _ = dbg!(parser::parse_program(&mut parser)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lexer.rs:54:22 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn lexer(source: &str) -> Lexer { [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 54 | pub fn lexer(source: &str) -> Lexer<'_, Token> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `shrimplang` (bin "shrimp" test) generated 2 warnings (run `cargo fix --bin "shrimp" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/shrimp-0c16989539a4dc34) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test lexer::tests::test_lexer ... ok [INFO] [stdout] test parser::tests::parse_let ... ok [INFO] [stdout] test parser::tests::parse_program ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cb8aec2ecf70b337a67fa7c4daef63a2f454bcaf5ba962c1b7bb8ca0fc5c7a58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb8aec2ecf70b337a67fa7c4daef63a2f454bcaf5ba962c1b7bb8ca0fc5c7a58", kill_on_drop: false }` [INFO] [stdout] cb8aec2ecf70b337a67fa7c4daef63a2f454bcaf5ba962c1b7bb8ca0fc5c7a58