[INFO] cloning repository https://github.com/maplelang/compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maplelang/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaplelang%2Fcompiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaplelang%2Fcompiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9c79ca28a306f0c2ee6dadd2197e46a78f6871bf [INFO] checking maplelang/compiler against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaplelang%2Fcompiler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maplelang/compiler on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/maplelang/compiler [INFO] finished tweaking git repo https://github.com/maplelang/compiler [INFO] tweaked toml for git repo https://github.com/maplelang/compiler written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/maplelang/compiler 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v150.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37a58a98f60eafda39581901b018c7fa33441c3fd56e37f43732486b1aa193a9 [INFO] running `Command { std: "docker" "start" "-a" "37a58a98f60eafda39581901b018c7fa33441c3fd56e37f43732486b1aa193a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37a58a98f60eafda39581901b018c7fa33441c3fd56e37f43732486b1aa193a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37a58a98f60eafda39581901b018c7fa33441c3fd56e37f43732486b1aa193a9", kill_on_drop: false }` [INFO] [stdout] 37a58a98f60eafda39581901b018c7fa33441c3fd56e37f43732486b1aa193a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f52adceb166f0a3a55ee18171c0e68a7f54b33b31aafa75a8a04791a86477158 [INFO] running `Command { std: "docker" "start" "-a" "f52adceb166f0a3a55ee18171c0e68a7f54b33b31aafa75a8a04791a86477158", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling semver v1.0.16 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling once_cell v1.17.0 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling petgraph v0.6.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling string_cache v0.8.4 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking lalrpop-util v0.19.8 [INFO] [stderr] Compiling lalrpop v0.19.8 [INFO] [stderr] Compiling llvm-sys v150.0.3 [INFO] [stderr] Checking mpc_llvm v0.1.0 (/opt/rustwide/workdir/mpc_llvm) [INFO] [stderr] Compiling mpc v0.1.0 (/opt/rustwide/workdir/mpc) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> mpc/src/parse/mod.rs:174:7 [INFO] [stdout] | [INFO] [stdout] 173 | pub struct VariantDef { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 174 | pub name: RefStr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VariantDef` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> mpc/src/resolve/mod.rs:252:7 [INFO] [stdout] | [INFO] [stdout] 251 | pub struct ResolvedTypeDef { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 252 | pub name: RefStr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ResolvedTypeDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `ty` are never read [INFO] [stdout] --> mpc/src/resolve/mod.rs:285:7 [INFO] [stdout] | [INFO] [stdout] 284 | pub struct ResolvedConstDef { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 285 | pub name: RefStr, [INFO] [stdout] | ^^^^ [INFO] [stdout] 286 | pub ty: ResolvedTy, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `ResolvedConstDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bindings` is never read [INFO] [stdout] --> mpc/src/sema/mod.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 61 | Func { [INFO] [stdout] | ---- field in this variant [INFO] [stdout] ... [INFO] [stdout] 66 | bindings: Vec<(IsMut, Ty)>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ty` and `is_mut` are never read [INFO] [stdout] --> mpc/src/sema/mod.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 69 | Data { [INFO] [stdout] | ---- fields in this variant [INFO] [stdout] 70 | name: RefStr, [INFO] [stdout] 71 | ty: Ty, [INFO] [stdout] | ^^ [INFO] [stdout] 72 | is_mut: IsMut, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_mut` is never read [INFO] [stdout] --> mpc/src/sema/mod.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 79 | ExternData { [INFO] [stdout] | ---------- field in this variant [INFO] [stdout] ... [INFO] [stdout] 82 | is_mut: IsMut [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ty` is never read [INFO] [stdout] --> mpc/src/sema/consteval.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | ArrLit { ty: Ty, vals: Vec }, [INFO] [stdout] | ------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ConstVal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ty` is never read [INFO] [stdout] --> mpc/src/sema/consteval.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 39 | StructLit { ty: Ty, vals: Vec }, [INFO] [stdout] | --------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ConstVal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> mpc/src/util.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | self.s as *const str == rhs.s as *const str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 68 | std::ptr::addr_eq(self.s as *const str, rhs.s as *const str) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 68 | std::ptr::eq(self.s as *const str, rhs.s as *const str) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> mpc/src/parse/mod.rs:174:7 [INFO] [stdout] | [INFO] [stdout] 173 | pub struct VariantDef { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 174 | pub name: RefStr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VariantDef` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> mpc/src/resolve/mod.rs:252:7 [INFO] [stdout] | [INFO] [stdout] 251 | pub struct ResolvedTypeDef { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 252 | pub name: RefStr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ResolvedTypeDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `ty` are never read [INFO] [stdout] --> mpc/src/resolve/mod.rs:285:7 [INFO] [stdout] | [INFO] [stdout] 284 | pub struct ResolvedConstDef { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 285 | pub name: RefStr, [INFO] [stdout] | ^^^^ [INFO] [stdout] 286 | pub ty: ResolvedTy, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `ResolvedConstDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bindings` is never read [INFO] [stdout] --> mpc/src/sema/mod.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 61 | Func { [INFO] [stdout] | ---- field in this variant [INFO] [stdout] ... [INFO] [stdout] 66 | bindings: Vec<(IsMut, Ty)>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ty` and `is_mut` are never read [INFO] [stdout] --> mpc/src/sema/mod.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 69 | Data { [INFO] [stdout] | ---- fields in this variant [INFO] [stdout] 70 | name: RefStr, [INFO] [stdout] 71 | ty: Ty, [INFO] [stdout] | ^^ [INFO] [stdout] 72 | is_mut: IsMut, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_mut` is never read [INFO] [stdout] --> mpc/src/sema/mod.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 79 | ExternData { [INFO] [stdout] | ---------- field in this variant [INFO] [stdout] ... [INFO] [stdout] 82 | is_mut: IsMut [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Inst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ty` is never read [INFO] [stdout] --> mpc/src/sema/consteval.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | ArrLit { ty: Ty, vals: Vec }, [INFO] [stdout] | ------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ConstVal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ty` is never read [INFO] [stdout] --> mpc/src/sema/consteval.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 39 | StructLit { ty: Ty, vals: Vec }, [INFO] [stdout] | --------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ConstVal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> mpc/src/util.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | self.s as *const str == rhs.s as *const str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 68 | std::ptr::addr_eq(self.s as *const str, rhs.s as *const str) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 68 | std::ptr::eq(self.s as *const str, rhs.s as *const str) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mpc_test v0.1.0 (/opt/rustwide/workdir/mpc_test) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.09s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "f52adceb166f0a3a55ee18171c0e68a7f54b33b31aafa75a8a04791a86477158", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f52adceb166f0a3a55ee18171c0e68a7f54b33b31aafa75a8a04791a86477158", kill_on_drop: false }` [INFO] [stdout] f52adceb166f0a3a55ee18171c0e68a7f54b33b31aafa75a8a04791a86477158