[INFO] fetching crate lightbeam 0.30.0... [INFO] checking lightbeam-0.30.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate lightbeam 0.30.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate lightbeam 0.30.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lightbeam 0.30.0 [INFO] finished tweaking crates.io crate lightbeam 0.30.0 [INFO] tweaked toml for crates.io crate lightbeam 0.30.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate lightbeam 0.30.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded more-asserts v0.2.1 [INFO] [stderr] Downloaded leb128 v0.2.4 [INFO] [stderr] Downloaded thiserror v1.0.29 [INFO] [stderr] Downloaded thiserror-impl v1.0.29 [INFO] [stderr] Downloaded wat v1.0.40 [INFO] [stderr] Downloaded memoffset v0.6.4 [INFO] [stderr] Downloaded cranelift-codegen-shared v0.77.0 [INFO] [stderr] Downloaded iter-enum v1.0.1 [INFO] [stderr] Downloaded anyhow v1.0.44 [INFO] [stderr] Downloaded capstone v0.9.0 [INFO] [stderr] Downloaded wasmparser v0.80.1 [INFO] [stderr] Downloaded libc v0.2.102 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.77.0 [INFO] [stderr] Downloaded gimli v0.25.0 [INFO] [stderr] Downloaded cranelift-codegen v0.77.0 [INFO] [stderr] Downloaded regalloc v0.0.31 [INFO] [stderr] Downloaded wast v38.0.0 [INFO] [stderr] Downloaded derive_more v0.99.16 [INFO] [stderr] Downloaded dynasm v1.1.0 [INFO] [stderr] Downloaded cranelift-bforest v0.77.0 [INFO] [stderr] Downloaded cranelift-entity v0.77.0 [INFO] [stderr] Downloaded target-lexicon v0.12.2 [INFO] [stderr] Downloaded memmap2 v0.2.3 [INFO] [stderr] Downloaded dynasmrt v1.1.0 [INFO] [stderr] Downloaded capstone-sys v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb8cb21842464f58681c5c9b4617cc70c4a4540e6165c09b2cfe8408118d257a [INFO] running `Command { std: "docker" "start" "-a" "fb8cb21842464f58681c5c9b4617cc70c4a4540e6165c09b2cfe8408118d257a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb8cb21842464f58681c5c9b4617cc70c4a4540e6165c09b2cfe8408118d257a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb8cb21842464f58681c5c9b4617cc70c4a4540e6165c09b2cfe8408118d257a", kill_on_drop: false }` [INFO] [stdout] fb8cb21842464f58681c5c9b4617cc70c4a4540e6165c09b2cfe8408118d257a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ccf8329b4712632bf96eb0a2b16327b69ccbbad02c5b11a77614841526083ec5 [INFO] running `Command { std: "docker" "start" "-a" "ccf8329b4712632bf96eb0a2b16327b69ccbbad02c5b11a77614841526083ec5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling cranelift-entity v0.77.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.77.0 [INFO] [stderr] Compiling target-lexicon v0.12.2 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling cranelift-codegen-meta v0.77.0 [INFO] [stderr] Checking regalloc v0.0.31 [INFO] [stderr] Checking cranelift-bforest v0.77.0 [INFO] [stderr] Checking leb128 v0.2.4 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking wast v38.0.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking more-asserts v0.2.1 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking wasmparser v0.80.1 [INFO] [stderr] Compiling capstone-sys v0.13.0 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking memmap2 v0.2.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking wat v1.0.40 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling derive_utils v0.11.2 [INFO] [stderr] Compiling dynasm v1.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling derive_more v0.99.16 [INFO] [stderr] Compiling iter-enum v1.0.1 [INFO] [stderr] Compiling cranelift-codegen v0.77.0 [INFO] [stderr] Checking thiserror v1.0.29 [INFO] [stderr] Checking dynasmrt v1.1.0 [INFO] [stderr] Checking capstone v0.9.0 [INFO] [stderr] Checking lightbeam v0.30.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `reg` and `imm` are never read [INFO] [stdout] --> src/backend.rs:680:5 [INFO] [stdout] | [INFO] [stdout] 679 | struct RelocateAddress { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 680 | reg: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 681 | imm: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RelocateAddress` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `position`, `dst_reg`, and `address` are never read [INFO] [stdout] --> src/backend.rs:686:5 [INFO] [stdout] | [INFO] [stdout] 685 | struct RelocateAccess { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 686 | position: AssemblyOffset, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 687 | dst_reg: GPR, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 688 | address: RelocateAddress, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RelocateAccess` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RetLabel` is never constructed [INFO] [stdout] --> src/backend.rs:6113:16 [INFO] [stdout] | [INFO] [stdout] 6113 | struct RetLabel; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnimplementedRelocSink` is never constructed [INFO] [stdout] --> src/translate_sections.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | struct UnimplementedRelocSink; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reg` and `imm` are never read [INFO] [stdout] --> src/backend.rs:680:5 [INFO] [stdout] | [INFO] [stdout] 679 | struct RelocateAddress { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 680 | reg: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 681 | imm: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RelocateAddress` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `position`, `dst_reg`, and `address` are never read [INFO] [stdout] --> src/backend.rs:686:5 [INFO] [stdout] | [INFO] [stdout] 685 | struct RelocateAccess { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 686 | position: AssemblyOffset, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 687 | dst_reg: GPR, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 688 | address: RelocateAddress, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RelocateAccess` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RetLabel` is never constructed [INFO] [stdout] --> src/backend.rs:6113:16 [INFO] [stdout] | [INFO] [stdout] 6113 | struct RetLabel; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnimplementedRelocSink` is never constructed [INFO] [stdout] --> src/translate_sections.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | struct UnimplementedRelocSink; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.71s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "ccf8329b4712632bf96eb0a2b16327b69ccbbad02c5b11a77614841526083ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccf8329b4712632bf96eb0a2b16327b69ccbbad02c5b11a77614841526083ec5", kill_on_drop: false }` [INFO] [stdout] ccf8329b4712632bf96eb0a2b16327b69ccbbad02c5b11a77614841526083ec5