[INFO] fetching crate capstone 0.11.0... [INFO] checking capstone-0.11.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate capstone 0.11.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate capstone 0.11.0 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 capstone 0.11.0 [INFO] finished tweaking crates.io crate capstone 0.11.0 [INFO] tweaked toml for crates.io crate capstone 0.11.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate capstone 0.11.0 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-utils v0.8.8 [INFO] [stderr] Downloaded crossbeam-channel v0.5.4 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.8 [INFO] [stderr] Downloaded rayon-core v1.9.2 [INFO] [stderr] Downloaded peeking_take_while v0.1.2 [INFO] [stderr] Downloaded plotters-backend v0.3.2 [INFO] [stderr] Downloaded cexpr v0.6.0 [INFO] [stderr] Downloaded semver v1.0.9 [INFO] [stderr] Downloaded nom v7.1.1 [INFO] [stderr] Downloaded regex v1.5.5 [INFO] [stderr] Downloaded libc v0.2.125 [INFO] [stderr] Downloaded criterion v0.3.5 [INFO] [stderr] Downloaded web-sys v0.3.57 [INFO] [stderr] Downloaded macho v0.4.1 [INFO] [stderr] Downloaded uuid v0.3.1 [INFO] [stderr] Downloaded rayon v1.5.2 [INFO] [stderr] Downloaded libloading v0.7.3 [INFO] [stderr] Downloaded clang-sys v1.3.1 [INFO] [stderr] Downloaded which v4.2.5 [INFO] [stderr] Downloaded bindgen v0.59.2 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded itertools v0.10.3 [INFO] [stderr] Downloaded js-sys v0.3.57 [INFO] [stderr] Downloaded log v0.4.16 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.80 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.80 [INFO] [stderr] Downloaded wasm-bindgen v0.2.80 [INFO] [stderr] Downloaded proc-macro2 v1.0.37 [INFO] [stderr] Downloaded quote v1.0.18 [INFO] [stderr] Downloaded syn v1.0.92 [INFO] [stderr] Downloaded serde_derive v1.0.137 [INFO] [stderr] Downloaded serde v1.0.137 [INFO] [stderr] Downloaded serde_json v1.0.80 [INFO] [stderr] Downloaded nom v1.2.4 [INFO] [stderr] Downloaded criterion-plot v0.4.4 [INFO] [stderr] Downloaded capstone-sys v0.15.0 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.80 [INFO] [stderr] Downloaded plotters-svg v0.3.1 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.80 [INFO] [stderr] Downloaded plotters v0.3.1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a16087ece37cfa26c428f734bd7f18a7f898478e0448650ebfef1e844fe3667 [INFO] running `Command { std: "docker" "start" "-a" "7a16087ece37cfa26c428f734bd7f18a7f898478e0448650ebfef1e844fe3667", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a16087ece37cfa26c428f734bd7f18a7f898478e0448650ebfef1e844fe3667", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a16087ece37cfa26c428f734bd7f18a7f898478e0448650ebfef1e844fe3667", kill_on_drop: false }` [INFO] [stdout] 7a16087ece37cfa26c428f734bd7f18a7f898478e0448650ebfef1e844fe3667 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99f1909e4bb234c9fe2390a00b87fa6fd30f85874aa0c081993e7aaad7f5ba18 [INFO] running `Command { std: "docker" "start" "-a" "99f1909e4bb234c9fe2390a00b87fa6fd30f85874aa0c081993e7aaad7f5ba18", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rayon-core v1.9.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.80 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling capstone-sys v0.15.0 [INFO] [stderr] Compiling rayon v1.5.2 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking uuid v0.3.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking macho v0.4.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking capstone v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/constants.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use core::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/capstone.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use core::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/ffi.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use libc::{self, c_char}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `alloc` is imported redundantly [INFO] [stdout] --> src/instruction.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::{self, boxed::Box}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:121:1 [INFO] [stdout] | [INFO] [stdout] 121 | extern crate alloc; [INFO] [stdout] | ------------------- the item `alloc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/constants.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use core::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/capstone.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use core::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/ffi.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use libc::{self, c_char}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `core` is imported redundantly [INFO] [stdout] --> src/ffi.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | use core; [INFO] [stdout] | ^^^^ the item `core` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `alloc` is imported redundantly [INFO] [stdout] --> src/instruction.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::{self, boxed::Box}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:121:1 [INFO] [stdout] | [INFO] [stdout] 121 | extern crate alloc; [INFO] [stdout] | ------------------- the item `alloc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/instruction.rs:367:30 [INFO] [stdout] | [INFO] [stdout] 367 | pub struct InsnGroupIter<'a>(slice::Iter<'a, InsnGroupIdInt>); [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `InsnGroupIter` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 367 | pub struct InsnGroupIter<'a>(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `InsnDetail` is imported redundantly [INFO] [stdout] --> examples/demo.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | use capstone::prelude::*; [INFO] [stdout] | -------------------- the item `InsnDetail` is already imported here [INFO] [stdout] 4 | use capstone::InsnDetail; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/instruction.rs:367:30 [INFO] [stdout] | [INFO] [stdout] 367 | pub struct InsnGroupIter<'a>(slice::Iter<'a, InsnGroupIdInt>); [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `InsnGroupIter` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 367 | pub struct InsnGroupIter<'a>(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5, nom v1.2.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "99f1909e4bb234c9fe2390a00b87fa6fd30f85874aa0c081993e7aaad7f5ba18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99f1909e4bb234c9fe2390a00b87fa6fd30f85874aa0c081993e7aaad7f5ba18", kill_on_drop: false }` [INFO] [stdout] 99f1909e4bb234c9fe2390a00b87fa6fd30f85874aa0c081993e7aaad7f5ba18