[INFO] fetching crate sylt-typechecker 0.1.0... [INFO] testing sylt-typechecker-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate sylt-typechecker 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate sylt-typechecker 0.1.0 [INFO] finished tweaking crates.io crate sylt-typechecker 0.1.0 [INFO] tweaked toml for crates.io crate sylt-typechecker 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sylt-typechecker 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 18 packages to latest compatible versions [INFO] [stderr] Adding owo-colors v2.1.0 (available: v4.2.3) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 519f6cd6909f8fddec99304ffcc3c8416daf709ea9fd4a00965bcaea5501c772 [INFO] running `Command { std: "docker" "start" "-a" "519f6cd6909f8fddec99304ffcc3c8416daf709ea9fd4a00965bcaea5501c772", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "519f6cd6909f8fddec99304ffcc3c8416daf709ea9fd4a00965bcaea5501c772", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "519f6cd6909f8fddec99304ffcc3c8416daf709ea9fd4a00965bcaea5501c772", kill_on_drop: false }` [INFO] [stdout] 519f6cd6909f8fddec99304ffcc3c8416daf709ea9fd4a00965bcaea5501c772 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e7076a856b831f3ee6e4c9218657d14679a2b1ab6b93de358ec72477f757f89e [INFO] running `Command { std: "docker" "start" "-a" "e7076a856b831f3ee6e4c9218657d14679a2b1ab6b93de358ec72477f757f89e", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling owo-colors v2.1.0 [INFO] [stderr] Compiling sylt-macro v0.1.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling logos-derive v0.12.1 [INFO] [stderr] Compiling logos v0.12.1 [INFO] [stderr] Compiling sylt-tokenizer v0.1.0 [INFO] [stderr] Compiling sylt-common v0.1.0 [INFO] [stderr] Compiling sylt-typechecker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/typechecker.rs:11:46 [INFO] [stdout] | [INFO] [stdout] 11 | return Err($thing.error($kind, None)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 823 | error!(self, RuntimeError::TypeError(op, vec![a.into()])) [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `error` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/typechecker.rs:325:24 [INFO] [stdout] | [INFO] [stdout] 325 | fn stack_from_base(&self, base: usize) -> Cow<[Value]> { [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] 325 | fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.73s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sylt-typechecker v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "e7076a856b831f3ee6e4c9218657d14679a2b1ab6b93de358ec72477f757f89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7076a856b831f3ee6e4c9218657d14679a2b1ab6b93de358ec72477f757f89e", kill_on_drop: false }` [INFO] [stdout] e7076a856b831f3ee6e4c9218657d14679a2b1ab6b93de358ec72477f757f89e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] aa20c8f3ed3291ed3e812281b200061b1ca07254813220bf0822e4d5216813e4 [INFO] running `Command { std: "docker" "start" "-a" "aa20c8f3ed3291ed3e812281b200061b1ca07254813220bf0822e4d5216813e4", kill_on_drop: false }` [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/typechecker.rs:11:46 [INFO] [stdout] | [INFO] [stdout] 11 | return Err($thing.error($kind, None)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 823 | error!(self, RuntimeError::TypeError(op, vec![a.into()])) [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `error` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/typechecker.rs:325:24 [INFO] [stdout] | [INFO] [stdout] 325 | fn stack_from_base(&self, base: usize) -> Cow<[Value]> { [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] 325 | fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sylt-typechecker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/typechecker.rs:11:46 [INFO] [stdout] | [INFO] [stdout] 11 | return Err($thing.error($kind, None)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 823 | error!(self, RuntimeError::TypeError(op, vec![a.into()])) [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `error` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/typechecker.rs:325:24 [INFO] [stdout] | [INFO] [stdout] 325 | fn stack_from_base(&self, base: usize) -> Cow<[Value]> { [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] 325 | fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sylt-typechecker v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6` [INFO] running `Command { std: "docker" "inspect" "aa20c8f3ed3291ed3e812281b200061b1ca07254813220bf0822e4d5216813e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa20c8f3ed3291ed3e812281b200061b1ca07254813220bf0822e4d5216813e4", kill_on_drop: false }` [INFO] [stdout] aa20c8f3ed3291ed3e812281b200061b1ca07254813220bf0822e4d5216813e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cfdbff0e5835f681fce5d61ae829db91ba4917b28976983a0b007e569c79db00 [INFO] running `Command { std: "docker" "start" "-a" "cfdbff0e5835f681fce5d61ae829db91ba4917b28976983a0b007e569c79db00", kill_on_drop: false }` [INFO] [stderr] warning: trailing semicolon in macro used in expression position [INFO] [stdout] [INFO] [stderr] --> src/typechecker.rs:11:46 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 11 | return Err($thing.error($kind, None)); [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^ [INFO] [stdout] [INFO] [stderr] ... [INFO] [stderr] 823 | error!(self, RuntimeError::TypeError(op, vec![a.into()])) [INFO] [stderr] | --------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #79813 [INFO] [stderr] = note: macro invocations at the end of a block are treated as expressions [INFO] [stderr] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `error` [INFO] [stderr] = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stderr] = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/typechecker.rs:325:24 [INFO] [stderr] | [INFO] [stderr] 325 | fn stack_from_base(&self, base: usize) -> Cow<[Value]> { [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] 325 | fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `sylt-typechecker` (lib) generated 2 warnings (run `cargo fix --lib -p sylt-typechecker` to apply 1 suggestion) [INFO] [stderr] warning: `sylt-typechecker` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sylt-typechecker v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6` [INFO] [stderr] Running unittests src/typechecker.rs (/opt/rustwide/target/debug/deps/sylt_typechecker-b08c1700df92a7cb) [INFO] [stderr] Doc-tests sylt_typechecker [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" "cfdbff0e5835f681fce5d61ae829db91ba4917b28976983a0b007e569c79db00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfdbff0e5835f681fce5d61ae829db91ba4917b28976983a0b007e569c79db00", kill_on_drop: false }` [INFO] [stdout] cfdbff0e5835f681fce5d61ae829db91ba4917b28976983a0b007e569c79db00