[INFO] fetching crate cargo-asm 0.1.16...
[INFO] checking cargo-asm-0.1.16 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cargo-asm 0.1.16 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cargo-asm 0.1.16 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 cargo-asm 0.1.16
[INFO] finished tweaking crates.io crate cargo-asm 0.1.16
[INFO] tweaked toml for crates.io crate cargo-asm 0.1.16 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 93 packages
[INFO] [stderr]       Adding assert_cli v0.5.4 (latest: v0.6.3)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cargo_metadata v0.14.2 (latest: v0.18.1)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding colored v1.9.4 (latest: v2.1.0)
[INFO] [stderr]       Adding difference v1.0.0 (latest: v2.0.0)
[INFO] [stderr]       Adding error-chain v0.11.0 (latest: v0.12.4)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding owning_ref v0.3.3 (latest: v0.4.1)
[INFO] [stderr]       Adding parking_lot v0.5.5 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.2.14 (latest: v0.9.9)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding structopt v0.2.18 (latest: v0.3.26)
[INFO] [stderr]       Adding structopt-derive v0.2.18 (latest: v0.4.18)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding termcolor v0.3.6 (latest: v1.4.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wincolor v0.1.6 (latest: v1.0.3)
[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] warning: file `/workspace/builds/worker-2-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `cargo-asm`
[INFO] [stderr]   * `bin` target `cargo-llvm-ir`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded edit-distance v2.1.0
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded colored v1.9.4
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded assert_cli v0.5.4
[INFO] [stderr]   Downloaded parking_lot v0.5.5
[INFO] [stderr]   Downloaded wincolor v0.1.6
[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] 6d79bcf27dfa840eac54d80f0e494dec2071c0f0a9c295ae30da565b30537b51
[INFO] running `Command { std: "docker" "start" "-a" "6d79bcf27dfa840eac54d80f0e494dec2071c0f0a9c295ae30da565b30537b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d79bcf27dfa840eac54d80f0e494dec2071c0f0a9c295ae30da565b30537b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d79bcf27dfa840eac54d80f0e494dec2071c0f0a9c295ae30da565b30537b51", kill_on_drop: false }`
[INFO] [stdout] 6d79bcf27dfa840eac54d80f0e494dec2071c0f0a9c295ae30da565b30537b51
[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] c4314e410100c545b7d0508ded17d7c4f985fc7cd1fc93082ab047e922d33630
[INFO] running `Command { std: "docker" "start" "-a" "c4314e410100c545b7d0508ded17d7c4f985fc7cd1fc93082ab047e922d33630", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `cargo-asm`
[INFO] [stderr]   * `bin` target `cargo-llvm-ir`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking edit-distance v2.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cargo-platform v0.1.8
[INFO] [stderr]     Checking cargo-asm v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustc_demangle` is imported redundantly
[INFO] [stdout]   --> src/demangle.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use rustc_demangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_demangle;
[INFO] [stdout]    | ---------------------------- the item `rustc_demangle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustc_demangle` is imported redundantly
[INFO] [stdout]   --> src/demangle.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use rustc_demangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_demangle;
[INFO] [stdout]    | ---------------------------- the item `rustc_demangle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/logger.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use log::{self, Log};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout] 11 +         ::parking_lot::RwLock::new(read());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/logger.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use log::{self, Log};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout] 11 +         ::parking_lot::RwLock::new(read());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut prev = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut prev = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `asm_style` is never used
[INFO] [stdout]    --> src/options.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait OptionsExt {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn asm_style(&self) -> Option<Style>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/rust.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     sysroot.parent();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = sysroot.parent();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `asm_style` is never used
[INFO] [stdout]    --> src/options.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait OptionsExt {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn asm_style(&self) -> Option<Style>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/rust.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     sysroot.parent();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = sysroot.parent();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustc_demangle` is imported redundantly
[INFO] [stdout]   --> src/demangle.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use rustc_demangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_demangle;
[INFO] [stdout]    | ---------------------------- the item `rustc_demangle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustc_demangle` is imported redundantly
[INFO] [stdout]   --> src/demangle.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use rustc_demangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_demangle;
[INFO] [stdout]    | ---------------------------- the item `rustc_demangle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/logger.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use log::{self, Log};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout] 11 +         ::parking_lot::RwLock::new(read());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/logger.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use log::{self, Log};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout] 11 +         ::parking_lot::RwLock::new(read());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut prev = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `asm_style` is never used
[INFO] [stdout]    --> src/options.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait OptionsExt {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn asm_style(&self) -> Option<Style>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/rust.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     sysroot.parent();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = sysroot.parent();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut prev = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `asm_style` is never used
[INFO] [stdout]    --> src/options.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait OptionsExt {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn asm_style(&self) -> Option<Style>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/rust.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     sysroot.parent();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = sysroot.parent();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.70s
[INFO] running `Command { std: "docker" "inspect" "c4314e410100c545b7d0508ded17d7c4f985fc7cd1fc93082ab047e922d33630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4314e410100c545b7d0508ded17d7c4f985fc7cd1fc93082ab047e922d33630", kill_on_drop: false }`
[INFO] [stdout] c4314e410100c545b7d0508ded17d7c4f985fc7cd1fc93082ab047e922d33630
[INFO] checking cargo-asm-0.1.16 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate cargo-asm 0.1.16 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate cargo-asm 0.1.16 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-asm 0.1.16
[INFO] finished tweaking crates.io crate cargo-asm 0.1.16
[INFO] tweaked toml for crates.io crate cargo-asm 0.1.16 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-2-tc2/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `cargo-asm`
[INFO] [stderr]   * `bin` target `cargo-llvm-ir`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b6b98abd012f555321b9babf75db75cba5718636a6f524c4d2ecdf7879ae2f9
[INFO] running `Command { std: "docker" "start" "-a" "6b6b98abd012f555321b9babf75db75cba5718636a6f524c4d2ecdf7879ae2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b6b98abd012f555321b9babf75db75cba5718636a6f524c4d2ecdf7879ae2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6b98abd012f555321b9babf75db75cba5718636a6f524c4d2ecdf7879ae2f9", kill_on_drop: false }`
[INFO] [stdout] 6b6b98abd012f555321b9babf75db75cba5718636a6f524c4d2ecdf7879ae2f9
[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=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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84495446e849d908a203dcfdf311838130f411a4048385cd90867f3538fcee5a
[INFO] running `Command { std: "docker" "start" "-a" "84495446e849d908a203dcfdf311838130f411a4048385cd90867f3538fcee5a", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `cargo-asm`
[INFO] [stderr]   * `bin` target `cargo-llvm-ir`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking edit-distance v2.1.0
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cargo-platform v0.1.8
[INFO] [stderr]     Checking cargo-asm v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustc_demangle` is imported redundantly
[INFO] [stdout]   --> src/demangle.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use rustc_demangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_demangle;
[INFO] [stdout]    | ---------------------------- the item `rustc_demangle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/logger.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use log::{self, Log};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout] 11 +         ::parking_lot::RwLock::new(read());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustc_demangle` is imported redundantly
[INFO] [stdout]   --> src/demangle.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use rustc_demangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_demangle;
[INFO] [stdout]    | ---------------------------- the item `rustc_demangle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/logger.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use log::{self, Log};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout] 11 +         ::parking_lot::RwLock::new(read());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut prev = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `asm_style` is never used
[INFO] [stdout]    --> src/options.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait OptionsExt {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn asm_style(&self) -> Option<Style>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/rust.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     sysroot.parent();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = sysroot.parent();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut prev = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `asm_style` is never used
[INFO] [stdout]    --> src/options.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait OptionsExt {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn asm_style(&self) -> Option<Style>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/rust.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     sysroot.parent();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = sysroot.parent();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustc_demangle` is imported redundantly
[INFO] [stdout]   --> src/demangle.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use rustc_demangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_demangle;
[INFO] [stdout]    | ---------------------------- the item `rustc_demangle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/logger.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use log::{self, Log};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout] 11 +         ::parking_lot::RwLock::new(read());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustc_demangle` is imported redundantly
[INFO] [stdout]   --> src/demangle.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use rustc_demangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_demangle;
[INFO] [stdout]    | ---------------------------- the item `rustc_demangle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/llvmir.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |         debug!("Scanning file: {:?}", f);;
[INFO] [stdout]   |                                          ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/logger.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use log::{self, Log};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/options.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout]    |         ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -         { ::parking_lot::RwLock::new(read()) };
[INFO] [stdout] 11 +         ::parking_lot::RwLock::new(read());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     debug!("Done inserting files: {:?}", files);;
[INFO] [stdout]    |                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 104 |     debug!("Done filing holes in files: {:?}", files);;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |     debug!("Done correcting paths in files: {:?}", files);;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/rust.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     debug!("Done reading lines in files: {:?}", files);;
[INFO] [stdout]     |                                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/rust.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |             debug!("files: {:?}", files);;
[INFO] [stdout]    |                                          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut prev = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `asm_style` is never used
[INFO] [stdout]    --> src/options.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait OptionsExt {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn asm_style(&self) -> Option<Style>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/rust.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     sysroot.parent();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = sysroot.parent();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut prev = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `asm_style` is never used
[INFO] [stdout]    --> src/options.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait OptionsExt {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn asm_style(&self) -> Option<Style>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::parent` that must be used
[INFO] [stdout]    --> src/rust.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     sysroot.parent();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = sysroot.parent();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.72s
[INFO] running `Command { std: "docker" "inspect" "84495446e849d908a203dcfdf311838130f411a4048385cd90867f3538fcee5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84495446e849d908a203dcfdf311838130f411a4048385cd90867f3538fcee5a", kill_on_drop: false }`
[INFO] [stdout] 84495446e849d908a203dcfdf311838130f411a4048385cd90867f3538fcee5a