[INFO] fetching crate alkyne 0.1.0... [INFO] testing alkyne-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate alkyne 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml [INFO] started tweaking crates.io crate alkyne 0.1.0 [INFO] finished tweaking crates.io crate alkyne 0.1.0 [INFO] tweaked toml for crates.io crate alkyne 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate alkyne 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate alkyne 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded toolshed v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 980c25c8dde1ea679b002de56b7608b732847bbae990b82c790e8e07f924675a [INFO] running `Command { std: "docker" "start" "-a" "980c25c8dde1ea679b002de56b7608b732847bbae990b82c790e8e07f924675a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "980c25c8dde1ea679b002de56b7608b732847bbae990b82c790e8e07f924675a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "980c25c8dde1ea679b002de56b7608b732847bbae990b82c790e8e07f924675a", kill_on_drop: false }` [INFO] [stdout] 980c25c8dde1ea679b002de56b7608b732847bbae990b82c790e8e07f924675a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 478824fbab4793cf30259a7553d0d3cac1d0ead128624bb9c28acf7fe7ee5c53 [INFO] running `Command { std: "docker" "start" "-a" "478824fbab4793cf30259a7553d0d3cac1d0ead128624bb9c28acf7fe7ee5c53", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling utf8parse v0.1.1 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling toolshed v0.8.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling dirs-sys v0.3.6 [INFO] [stderr] Compiling termion v1.5.6 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling parking_lot v0.4.8 [INFO] [stderr] Compiling chashmap v2.2.2 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling rustyline v5.0.6 [INFO] [stderr] Compiling alkyne v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/eval/stdlib.rs:50:1 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn lookup_std<'i>(key: &str) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: IntoValue<'_>` will fail [INFO] [stdout] --> src/eval/value/native_macros.rs:135:72 [INFO] [stdout] | [INFO] [stdout] 135 | $crate::eval::value::convert::IntoValueResult::into_value_result($block) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/eval/stdlib.rs:51:3 [INFO] [stdout] | [INFO] [stdout] 51 | / stdlib! { key => [INFO] [stdout] ... | [INFO] [stdout] 418 | | fn acoth(x: number) { x.recip().atanh() } [INFO] [stdout] 419 | | } [INFO] [stdout] | |___- in this macro invocation [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(dependency_on_unit_never_type_fallback)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: this error originates in the macro `native_fn` which comes from the expansion of the macro `stdlib` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unreachable definition [INFO] [stdout] --> src/main.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 31 | exec::repl::Executor::new(&arena).execute_loop().unwrap(); [INFO] [stdout] | --------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 34 | let fs = Local::new(); [INFO] [stdout] | ^^ unreachable definition [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | exec::repl::Executor::new(&arena).execute_loop().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | #![deny(unused)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[deny(unreachable_code)]` implied by `#[deny(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `0` is never read [INFO] [stdout] --> src/eval/escaping.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | UnknownEscape(usize, char), [INFO] [stdout] | ------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `UnescapeError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[deny(dead_code)]` implied by `#[deny(unused)]` [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 23 - UnknownEscape(usize, char), [INFO] [stdout] 23 + UnknownEscape((), char), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `0` is never read [INFO] [stdout] --> src/eval/escaping.rs:24:15 [INFO] [stdout] | [INFO] [stdout] 24 | BadHexDigit(usize, char), [INFO] [stdout] | ----------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `UnescapeError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 24 - BadHexDigit(usize, char), [INFO] [stdout] 24 + BadHexDigit((), char), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: field `0` is never read [INFO] [stdout] --> src/eval/escaping.rs:25:14 [INFO] [stdout] | [INFO] [stdout] 25 | BadUnicode(usize, u32), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `UnescapeError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 25 - BadUnicode(usize, u32), [INFO] [stdout] 25 + BadUnicode((), u32), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `alkyne` (bin "alkyne") due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "478824fbab4793cf30259a7553d0d3cac1d0ead128624bb9c28acf7fe7ee5c53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "478824fbab4793cf30259a7553d0d3cac1d0ead128624bb9c28acf7fe7ee5c53", kill_on_drop: false }` [INFO] [stdout] 478824fbab4793cf30259a7553d0d3cac1d0ead128624bb9c28acf7fe7ee5c53