[INFO] cloning repository https://github.com/loiclec/fuzzcheck-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loiclec/fuzzcheck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floiclec%2Ffuzzcheck-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floiclec%2Ffuzzcheck-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b9ffecdb7dbd822d39673f836e5b337120648188 [INFO] testing loiclec/fuzzcheck-rs against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floiclec%2Ffuzzcheck-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/loiclec/fuzzcheck-rs [INFO] finished tweaking git repo https://github.com/loiclec/fuzzcheck-rs [INFO] tweaked toml for git repo https://github.com/loiclec/fuzzcheck-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/loiclec/fuzzcheck-rs on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 47 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.12) [INFO] [stderr] Adding bit-vec v0.6.3 (available: v0.8.0) [INFO] [stderr] Adding fastrand v1.9.0 (available: v2.3.0) [INFO] [stderr] Adding md5 v0.7.0 (available: v0.8.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (available: v0.50.3) [INFO] [stderr] Adding object v0.29.0 (available: v0.37.3) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.8) [INFO] [stderr] Adding ron v0.7.1 (available: v0.11.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.106) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getopts v0.2.24 [INFO] [stderr] Downloaded md5 v0.7.0 [INFO] [stderr] Downloaded ron v0.7.1 [INFO] [stderr] Downloaded unicode-width v0.2.2 [INFO] [stderr] Downloaded object v0.29.0 [INFO] [stderr] Downloaded libz-sys v1.1.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94ee799c43a9002cd90aac50b10003774378eccfe697d76212d7be3ad7cc8004 [INFO] running `Command { std: "docker" "start" "-a" "94ee799c43a9002cd90aac50b10003774378eccfe697d76212d7be3ad7cc8004", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94ee799c43a9002cd90aac50b10003774378eccfe697d76212d7be3ad7cc8004", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94ee799c43a9002cd90aac50b10003774378eccfe697d76212d7be3ad7cc8004", kill_on_drop: false }` [INFO] [stdout] 94ee799c43a9002cd90aac50b10003774378eccfe697d76212d7be3ad7cc8004 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 472b92397b5f211dae8b57ef48d5fd02d3006f30ee66b8ebd2074ef25baeeb8c [INFO] running `Command { std: "docker" "start" "-a" "472b92397b5f211dae8b57ef48d5fd02d3006f30ee66b8ebd2074ef25baeeb8c", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling find-msvc-tools v0.1.4 [INFO] [stderr] Compiling unicode-width v0.2.2 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling cargo-fuzzcheck v0.13.0 (/opt/rustwide/workdir/cargo-fuzzcheck) [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rustc-demangle v0.1.26 [INFO] [stderr] Compiling cc v1.2.41 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling md5 v0.7.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling getopts v0.2.24 [INFO] [stderr] Compiling object v0.29.0 [INFO] [stderr] Compiling fuzzcheck_common v0.13.0 (/opt/rustwide/workdir/fuzzcheck_common) [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling libz-sys v1.1.22 [INFO] [stderr] Compiling fuzzcheck v0.13.0 (/opt/rustwide/workdir/fuzzcheck) [INFO] [stderr] Compiling fuzzcheck_mutators_derive v0.13.0 (/opt/rustwide/workdir/fuzzcheck_mutators_derive) [INFO] [stderr] Compiling flate2 v1.1.4 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stdout] warning: field `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:688:9 [INFO] [stdout] | [INFO] [stdout] 687 | InconsistentLengthOfEncodedData { [INFO] [stdout] | ------------------------------- field in this variant [INFO] [stdout] 688 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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: field `path` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:691:9 [INFO] [stdout] | [INFO] [stdout] 690 | CannotReadObjectFile { [INFO] [stdout] | -------------------- field in this variant [INFO] [stdout] 691 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:694:9 [INFO] [stdout] | [INFO] [stdout] 693 | CannotFindSection { [INFO] [stdout] | ----------------- field in this variant [INFO] [stdout] 694 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `raw_header` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:697:9 [INFO] [stdout] | [INFO] [stdout] 696 | PseudoCountersNotSupportedYet { [INFO] [stdout] | ----------------------------- field in this variant [INFO] [stdout] 697 | raw_header: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `section` and `decompress_result` are never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:700:9 [INFO] [stdout] | [INFO] [stdout] 699 | FailedToDecompress { [INFO] [stdout] | ------------------ fields in this variant [INFO] [stdout] 700 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 701 | decompress_result: Result, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `actual` and `expected` are never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:704:9 [INFO] [stdout] | [INFO] [stdout] 703 | NumberOfFilenamesDoesNotMatch { [INFO] [stdout] | ----------------------------- fields in this variant [INFO] [stdout] 704 | actual: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 705 | expected: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `0` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:707:20 [INFO] [stdout] | [INFO] [stdout] 707 | InvalidVersion(i32), [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 707 - InvalidVersion(i32), [INFO] [stdout] 707 + InvalidVersion(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:709:9 [INFO] [stdout] | [INFO] [stdout] 708 | CannotParseUTF8 { [INFO] [stdout] | --------------- field in this variant [INFO] [stdout] 709 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `Unit` is never constructed [INFO] [stdout] --> fuzzcheck/src/sensors_and_pools/maximise_observation_pool.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Unit; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | Word(&'a str), [INFO] [stdout] | ---- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 36 - Word(&'a str), [INFO] [stdout] 36 + Word(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 37 | Whitespace(&'a str), [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 37 - Whitespace(&'a str), [INFO] [stdout] 37 + Whitespace(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | Escape(&'a str), [INFO] [stdout] | ------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 40 - Escape(&'a str), [INFO] [stdout] 40 + Escape(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "472b92397b5f211dae8b57ef48d5fd02d3006f30ee66b8ebd2074ef25baeeb8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "472b92397b5f211dae8b57ef48d5fd02d3006f30ee66b8ebd2074ef25baeeb8c", kill_on_drop: false }` [INFO] [stdout] 472b92397b5f211dae8b57ef48d5fd02d3006f30ee66b8ebd2074ef25baeeb8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72ff4166f92ab993b8c56d142460d62a07f4fb06d056d19cffbace29ff18f03e [INFO] running `Command { std: "docker" "start" "-a" "72ff4166f92ab993b8c56d142460d62a07f4fb06d056d19cffbace29ff18f03e", kill_on_drop: false }` [INFO] [stderr] Compiling fuzzcheck_common v0.13.0 (/opt/rustwide/workdir/fuzzcheck_common) [INFO] [stderr] Compiling fuzzcheck_mutators_derive v0.13.0 (/opt/rustwide/workdir/fuzzcheck_mutators_derive) [INFO] [stderr] Compiling cargo-fuzzcheck v0.13.0 (/opt/rustwide/workdir/cargo-fuzzcheck) [INFO] [stderr] Compiling fuzzcheck v0.13.0 (/opt/rustwide/workdir/fuzzcheck) [INFO] [stdout] warning: field `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:688:9 [INFO] [stdout] | [INFO] [stdout] 687 | InconsistentLengthOfEncodedData { [INFO] [stdout] | ------------------------------- field in this variant [INFO] [stdout] 688 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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: field `path` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:691:9 [INFO] [stdout] | [INFO] [stdout] 690 | CannotReadObjectFile { [INFO] [stdout] | -------------------- field in this variant [INFO] [stdout] 691 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:694:9 [INFO] [stdout] | [INFO] [stdout] 693 | CannotFindSection { [INFO] [stdout] | ----------------- field in this variant [INFO] [stdout] 694 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `raw_header` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:697:9 [INFO] [stdout] | [INFO] [stdout] 696 | PseudoCountersNotSupportedYet { [INFO] [stdout] | ----------------------------- field in this variant [INFO] [stdout] 697 | raw_header: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `section` and `decompress_result` are never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:700:9 [INFO] [stdout] | [INFO] [stdout] 699 | FailedToDecompress { [INFO] [stdout] | ------------------ fields in this variant [INFO] [stdout] 700 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 701 | decompress_result: Result, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `actual` and `expected` are never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:704:9 [INFO] [stdout] | [INFO] [stdout] 703 | NumberOfFilenamesDoesNotMatch { [INFO] [stdout] | ----------------------------- fields in this variant [INFO] [stdout] 704 | actual: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 705 | expected: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `0` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:707:20 [INFO] [stdout] | [INFO] [stdout] 707 | InvalidVersion(i32), [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 707 - InvalidVersion(i32), [INFO] [stdout] 707 + InvalidVersion(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:709:9 [INFO] [stdout] | [INFO] [stdout] 708 | CannotParseUTF8 { [INFO] [stdout] | --------------- field in this variant [INFO] [stdout] 709 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `Unit` is never constructed [INFO] [stdout] --> fuzzcheck/src/sensors_and_pools/maximise_observation_pool.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Unit; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | Word(&'a str), [INFO] [stdout] | ---- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 36 - Word(&'a str), [INFO] [stdout] 36 + Word(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 37 | Whitespace(&'a str), [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 37 - Whitespace(&'a str), [INFO] [stdout] 37 + Whitespace(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | Escape(&'a str), [INFO] [stdout] | ------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 40 - Escape(&'a str), [INFO] [stdout] 40 + Escape(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:688:9 [INFO] [stdout] | [INFO] [stdout] 687 | InconsistentLengthOfEncodedData { [INFO] [stdout] | ------------------------------- field in this variant [INFO] [stdout] 688 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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: field `path` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:691:9 [INFO] [stdout] | [INFO] [stdout] 690 | CannotReadObjectFile { [INFO] [stdout] | -------------------- field in this variant [INFO] [stdout] 691 | path: PathBuf, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:694:9 [INFO] [stdout] | [INFO] [stdout] 693 | CannotFindSection { [INFO] [stdout] | ----------------- field in this variant [INFO] [stdout] 694 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `raw_header` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:697:9 [INFO] [stdout] | [INFO] [stdout] 696 | PseudoCountersNotSupportedYet { [INFO] [stdout] | ----------------------------- field in this variant [INFO] [stdout] 697 | raw_header: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `section` and `decompress_result` are never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:700:9 [INFO] [stdout] | [INFO] [stdout] 699 | FailedToDecompress { [INFO] [stdout] | ------------------ fields in this variant [INFO] [stdout] 700 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 701 | decompress_result: Result, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `actual` and `expected` are never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:704:9 [INFO] [stdout] | [INFO] [stdout] 703 | NumberOfFilenamesDoesNotMatch { [INFO] [stdout] | ----------------------------- fields in this variant [INFO] [stdout] 704 | actual: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 705 | expected: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `0` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:707:20 [INFO] [stdout] | [INFO] [stdout] 707 | InvalidVersion(i32), [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 707 - InvalidVersion(i32), [INFO] [stdout] 707 + InvalidVersion(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `section` is never read [INFO] [stdout] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:709:9 [INFO] [stdout] | [INFO] [stdout] 708 | CannotParseUTF8 { [INFO] [stdout] | --------------- field in this variant [INFO] [stdout] 709 | section: CovMapSection, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadCovMapError` 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 `Unit` is never constructed [INFO] [stdout] --> fuzzcheck/src/sensors_and_pools/maximise_observation_pool.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Unit; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VoidMutator` is never constructed [INFO] [stdout] --> fuzzcheck/src/sensors_and_pools/simplest_to_activate_counter_pool.rs:796:16 [INFO] [stdout] | [INFO] [stdout] 796 | pub struct VoidMutator {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | Word(&'a str), [INFO] [stdout] | ---- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 36 - Word(&'a str), [INFO] [stdout] 36 + Word(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 37 | Whitespace(&'a str), [INFO] [stdout] | ---------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 37 - Whitespace(&'a str), [INFO] [stdout] 37 + Whitespace(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> fuzzcheck/src/split_string.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | Escape(&'a str), [INFO] [stdout] | ------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 40 - Escape(&'a str), [INFO] [stdout] 40 + Escape(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `NoAssociatedData` is never used [INFO] [stdout] --> fuzzcheck/tests/expansions/enums_ignore_variant.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum NoAssociatedData { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `X` is never used [INFO] [stdout] --> fuzzcheck/tests/expansions/enums_with_multiple_empty_items.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum X { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Y` is never used [INFO] [stdout] --> fuzzcheck/tests/expansions/enums_with_multiple_empty_items.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum Y { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Z` is never used [INFO] [stdout] --> fuzzcheck/tests/expansions/enums_with_multiple_empty_items.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum Z { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `X` is never used [INFO] [stdout] --> fuzzcheck/tests/expansions/enums_with_one_empty_item.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum X { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Y` is never used [INFO] [stdout] --> fuzzcheck/tests/expansions/enums_with_one_empty_item.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Y { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Z` is never used [INFO] [stdout] --> fuzzcheck/tests/expansions/enums_with_one_empty_item.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum Z { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 16s [INFO] running `Command { std: "docker" "inspect" "72ff4166f92ab993b8c56d142460d62a07f4fb06d056d19cffbace29ff18f03e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72ff4166f92ab993b8c56d142460d62a07f4fb06d056d19cffbace29ff18f03e", kill_on_drop: false }` [INFO] [stdout] 72ff4166f92ab993b8c56d142460d62a07f4fb06d056d19cffbace29ff18f03e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0a3465272dc1656663da085145f571764d3962022406cba585b265a96aeee306 [INFO] running `Command { std: "docker" "start" "-a" "0a3465272dc1656663da085145f571764d3962022406cba585b265a96aeee306", kill_on_drop: false }` [INFO] [stderr] warning: field `section` is never read [INFO] [stderr] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:688:9 [INFO] [stderr] | [INFO] [stderr] 687 | InconsistentLengthOfEncodedData { [INFO] [stderr] | ------------------------------- field in this variant [INFO] [stderr] 688 | section: CovMapSection, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `path` is never read [INFO] [stderr] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:691:9 [INFO] [stderr] | [INFO] [stderr] 690 | CannotReadObjectFile { [INFO] [stderr] | -------------------- field in this variant [INFO] [stderr] 691 | path: PathBuf, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `section` is never read [INFO] [stderr] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:694:9 [INFO] [stderr] | [INFO] [stderr] 693 | CannotFindSection { [INFO] [stderr] | ----------------- field in this variant [INFO] [stderr] 694 | section: CovMapSection, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `raw_header` is never read [INFO] [stderr] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:697:9 [INFO] [stderr] | [INFO] [stderr] 696 | PseudoCountersNotSupportedYet { [INFO] [stderr] | ----------------------------- field in this variant [INFO] [stderr] 697 | raw_header: usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: fields `section` and `decompress_result` are never read [INFO] [stderr] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:700:9 [INFO] [stderr] | [INFO] [stderr] 699 | FailedToDecompress { [INFO] [stderr] | ------------------ fields in this variant [INFO] [stderr] 700 | section: CovMapSection, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 701 | decompress_result: Result, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: fields `actual` and `expected` are never read [INFO] [stderr] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:704:9 [INFO] [stderr] | [INFO] [stderr] 703 | NumberOfFilenamesDoesNotMatch { [INFO] [stderr] | ----------------------------- fields in this variant [INFO] [stderr] 704 | actual: usize, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 705 | expected: usize, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:707:20 [INFO] [stderr] | [INFO] [stderr] 707 | InvalidVersion(i32), [INFO] [stderr] | -------------- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 707 - InvalidVersion(i32), [INFO] [stderr] 707 + InvalidVersion(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `section` is never read [INFO] [stderr] --> fuzzcheck/src/code_coverage_sensor/llvm_coverage.rs:709:9 [INFO] [stderr] | [INFO] [stderr] 708 | CannotParseUTF8 { [INFO] [stderr] | --------------- field in this variant [INFO] [stderr] 709 | section: CovMapSection, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ReadCovMapError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: struct `Unit` is never constructed [INFO] [stderr] --> fuzzcheck/src/sensors_and_pools/maximise_observation_pool.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | struct Unit; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> fuzzcheck/src/split_string.rs:36:10 [INFO] [stderr] | [INFO] [stderr] 36 | Word(&'a str), [INFO] [stderr] | ---- ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 36 - Word(&'a str), [INFO] [stderr] 36 + Word(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> fuzzcheck/src/split_string.rs:37:16 [INFO] [stderr] | [INFO] [stderr] 37 | Whitespace(&'a str), [INFO] [stderr] | ---------- ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 37 - Whitespace(&'a str), [INFO] [stderr] 37 + Whitespace(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> fuzzcheck/src/split_string.rs:40:12 [INFO] [stderr] | [INFO] [stderr] 40 | Escape(&'a str), [INFO] [stderr] | ------ ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 40 - Escape(&'a str), [INFO] [stderr] 40 + Escape(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: struct `VoidMutator` is never constructed [INFO] [stderr] --> fuzzcheck/src/sensors_and_pools/simplest_to_activate_counter_pool.rs:796:16 [INFO] [stderr] | [INFO] [stderr] 796 | pub struct VoidMutator {} [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `fuzzcheck` (lib) generated 12 warnings [INFO] [stderr] warning: `fuzzcheck` (lib test) generated 13 warnings (12 duplicates) [INFO] [stderr] warning: enum `NoAssociatedData` is never used [INFO] [stderr] --> fuzzcheck/tests/expansions/enums_ignore_variant.rs:5:6 [INFO] [stderr] | [INFO] [stderr] 5 | enum NoAssociatedData { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum `X` is never used [INFO] [stderr] --> fuzzcheck/tests/expansions/enums_with_multiple_empty_items.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | pub enum X { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: enum `Y` is never used [INFO] [stderr] --> fuzzcheck/tests/expansions/enums_with_multiple_empty_items.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | pub enum Y { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: enum `Z` is never used [INFO] [stderr] --> fuzzcheck/tests/expansions/enums_with_multiple_empty_items.rs:17:10 [INFO] [stderr] | [INFO] [stderr] 17 | pub enum Z { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: enum `X` is never used [INFO] [stderr] --> fuzzcheck/tests/expansions/enums_with_one_empty_item.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | pub enum X { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: enum `Y` is never used [INFO] [stderr] --> fuzzcheck/tests/expansions/enums_with_one_empty_item.rs:9:10 [INFO] [stderr] | [INFO] [stderr] 9 | pub enum Y { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: enum `Z` is never used [INFO] [stderr] --> fuzzcheck/tests/expansions/enums_with_one_empty_item.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | pub enum Z { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: `fuzzcheck` (test "lib") generated 7 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_fuzzcheck-c52370d47867afc8) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_fuzzcheck-f657d4d1c2ec4131) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fuzzcheck-a7ba9109c34554b3) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test mutators::character_classes::tests::char_classes_test ... ok [INFO] [stdout] test mutators::fixed_len_vector::tests::test_constrained_length_mutator ... ok [INFO] [stdout] test mutators::test::test_size_to_cplxity ... ok [INFO] [stdout] test fenwick_tree::tests::test_basic_1 ... ok [INFO] [stdout] test mutators::vose_alias::tests::test_probabilities_2 ... ok [INFO] [stdout] test sensors_and_pools::maximise_each_counter_pool::tests::test_basic_pool_1 ... ok [INFO] [stdout] test mutators::array::tests::test_array_mutator ... ok [INFO] [stdout] test mutators::vose_alias::tests::test_probabilities_1 ... ok [INFO] [stdout] test sensors_and_pools::maximise_each_counter_pool::tests::test_basic_pool_2 ... ok [INFO] [stdout] test mutators::integer_within_range::tests::test_int_constrained ... ok [INFO] [stdout] test sensors_and_pools::most_n_diverse_pool::tests::test_most_n_diverse_pool ... ok [INFO] [stdout] test split_string::tests::test1 ... ok [INFO] [stdout] test sensors_and_pools::simplest_to_activate_counter_pool::tests::property_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s [INFO] [stdout] [INFO] [stderr] Running tests/alternation_char_mutators.rs (/opt/rustwide/target/debug/deps/alternation_char_mutators-6ac5d60015d04228) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_alternation_char ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/char_mutators.rs (/opt/rustwide/target/debug/deps/char_mutators-276be3339d1659c0) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test other_test_char_mutator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/const_generics.rs (/opt/rustwide/target/debug/deps/const_generics-a565db4be3f95e03) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_const_generics_mutator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/constrained_integer.rs (/opt/rustwide/target/debug/deps/constrained_integer-d9c55435d3fcfd6f) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_arbitrary_constrained_signed_integer_8 ... ok [INFO] [stdout] test test_mutate_constrained_signed_integer_8 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/derived_enum.rs (/opt/rustwide/target/debug/deps/derived_enum-87448db7d573b7f6) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_derived_enum ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s [INFO] [stdout] [INFO] [stderr] Running tests/derived_mutually_recursive_structs.rs (/opt/rustwide/target/debug/deps/derived_mutually_recursive_structs-7e313d0d52298d5f) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_derived_struct ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s [INFO] [stdout] [INFO] [stderr] Running tests/derived_recursive_struct.rs (/opt/rustwide/target/debug/deps/derived_recursive_struct-41b21d0c05272274) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_derived_struct ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s [INFO] [stdout] [INFO] [stderr] Running tests/derived_recursive_struct_fully_custom.rs (/opt/rustwide/target/debug/deps/derived_recursive_struct_fully_custom-4d49cc35d10c2953) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_derived_struct ... ok [INFO] [stderr] Running tests/derived_struct.rs (/opt/rustwide/target/debug/deps/derived_struct-8341f1006128e033) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/enum_with_ignored_variant.rs (/opt/rustwide/target/debug/deps/enum_with_ignored_variant-2fa772b83b8ae48b) [INFO] [stdout] test test_derived_struct ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_derived_enum_with_ignored_variant ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s [INFO] [stdout] [INFO] [stderr] Running tests/grammar_based_mutators.rs (/opt/rustwide/target/debug/deps/grammar_based_mutators-13329189199be9d5) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_grammar_based_ast_mutator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s [INFO] [stdout] [INFO] [stderr] Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-04c754683d125ab2) [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test alternation_char_mutators::test_alternation_char ... ok [INFO] [stdout] test char_mutators::other_test_char_mutator ... ok [INFO] [stdout] test constrained_integer::test_arbitrary_constrained_signed_integer_8 ... ok [INFO] [stdout] test const_generics::test_const_generics_mutator ... ok [INFO] [stdout] test constrained_integer::test_mutate_constrained_signed_integer_8 ... ok [INFO] [stdout] test expansions::enums_ignore_variant::test_compile ... ok [INFO] [stdout] test expansions::enums_with_generic_type_params::test_compile ... ok [INFO] [stdout] test expansions::recursive_enum::test_compile ... ok [INFO] [stdout] test expansions::enums_with_items_with_and_without_fields::test_compile ... ok [INFO] [stdout] test expansions::enums_with_one_item_one_field::test::test_compile ... ok [INFO] [stdout] test option::test_crossover_option ... ok [INFO] [stdout] test expansions::recursive_struct::test_compile ... ok [INFO] [stdout] test expansions::one_field_structs::test::test_compile ... ok [INFO] [stdout] test option::test_option ... ok [INFO] [stdout] test derived_struct::test_derived_struct ... ok [INFO] [stdout] test enum_with_ignored_variant::test_derived_enum_with_ignored_variant ... ok [INFO] [stdout] test derived_recursive_struct::test_derived_struct ... ok [INFO] [stdout] test grammar_based_mutators::test_grammar_based_ast_mutator ... ok [INFO] [stdout] test derived_mutually_recursive_structs::test_derived_struct ... ok [INFO] [stdout] test derived_recursive_struct_fully_custom::test_derived_struct ... ok [INFO] [stdout] test vector::test_vector_mutator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.27s [INFO] [stdout] [INFO] [stderr] Running tests/option.rs (/opt/rustwide/target/debug/deps/option-4601c1d25ea2b2dc) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_crossover_option ... ok [INFO] [stdout] test test_option ... ok [INFO] [stderr] Running tests/vector.rs (/opt/rustwide/target/debug/deps/vector-461c7f43a72524f3) [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_vector_mutator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.84s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fuzzcheck_common-451cb62cbb61cf8f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fuzzcheck_mutators_derive-b342e36007b2b4f3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests cargo_fuzzcheck [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests fuzzcheck [INFO] [stdout] [INFO] [stdout] running 33 tests [INFO] [stdout] test fuzzcheck/src/builder.rs - builder (line 13) - compile ... ok [INFO] [stdout] test fuzzcheck/src/builder.rs - builder (line 35) - compile ... ok [INFO] [stdout] test fuzzcheck/src/builder.rs - builder (line 21) - compile ... ok [INFO] [stdout] test fuzzcheck/src/builder.rs - builder::SensorAndPoolBuilder (line 811) - compile ... ok [INFO] [stdout] test fuzzcheck/src/code_coverage_sensor/mod.rs - code_coverage_sensor::CodeCoverageSensor (line 25) - compile ... ok [INFO] [stdout] test fuzzcheck/src/builder.rs - builder::FuzzerBuilder1::mutator (line 348) ... ok [INFO] [stdout] test fuzzcheck/src/builder.rs - builder::FuzzerBuilder2::serializer (line 387) ... ok [INFO] [stdout] test fuzzcheck/src/builder.rs - builder::FuzzerBuilder1::mutator (line 326) ... ok [INFO] [stdout] test fuzzcheck/src/sensors_and_pools/and_sensor_and_pool.rs - sensors_and_pools::and_sensor_and_pool (line 8) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/string.rs - mutators::string::StringMutator (line 8) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/grammar/mod.rs - mutators::grammar (line 18) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/tuples.rs - mutators::tuples (line 66) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/tuples.rs - mutators::tuples (line 53) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/tuples.rs - mutators::tuples (line 12) ... ok [INFO] [stdout] test fuzzcheck/src/traits.rs - traits::Mutator (line 189) ... ignored [INFO] [stdout] test fuzzcheck/src/traits.rs - traits::Mutator (line 201) ... ignored [INFO] [stdout] test fuzzcheck/src/traits.rs - traits::Mutator (line 35) ... ignored [INFO] [stdout] test fuzzcheck/src/traits.rs - traits::Mutator (line 88) ... ignored [INFO] [stdout] test fuzzcheck/src/mutators/grammar/grammar.rs - mutators::grammar::grammar::literal (line 44) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/vose_alias.rs - mutators::vose_alias::VoseAlias (line 11) ... ok [INFO] [stdout] test fuzzcheck/src/serializers/mod.rs - serializers::ByteSerializer::new (line 39) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/alternation.rs - mutators::alternation::AlternationMutator (line 10) ... ok [INFO] [stdout] test fuzzcheck/src/serializers/mod.rs - serializers::StringSerializer::new (line 84) ... ok [INFO] [stdout] test fuzzcheck/src/builder.rs - builder::FuzzerBuilder1::mutator (line 333) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/recursive.rs - mutators::recursive::RecursiveMutator (line 71) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/vector/only_choose_length.rs - mutators::vector::only_choose_length (line 6) ... ok [INFO] [stdout] test fuzzcheck/src/sensors_and_pools/and_sensor_and_pool.rs - sensors_and_pools::and_sensor_and_pool (line 29) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/grammar/grammar.rs - mutators::grammar::grammar::concatenation (line 83) ... ok [INFO] [stdout] test fuzzcheck/src/traits.rs - traits::Mutator (line 122) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/grammar/grammar.rs - mutators::grammar::grammar::literal_ranges (line 33) ... ok [INFO] [stdout] test fuzzcheck/src/traits.rs - traits::Mutator (line 174) ... ok [INFO] [stdout] test fuzzcheck/src/sensors_and_pools/mod.rs - sensors_and_pools::SensorExt::map (line 84) ... ok [INFO] [stdout] test fuzzcheck/src/sensors_and_pools/static_value_sensor.rs - sensors_and_pools::static_value_sensor::StaticValueSensor (line 7) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 29 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test fuzzcheck/src/lib.rs - make_mutator (line 128) ... ok [INFO] [stdout] test fuzzcheck/src/lib.rs - make_mutator (line 72) ... ok [INFO] [stdout] test fuzzcheck/src/sensors_and_pools/allocations_sensor.rs - sensors_and_pools::allocations_sensor::CountingAllocator (line 174) ... ok [INFO] [stdout] test fuzzcheck/src/lib.rs - DefaultMutator (line 199) ... ok [INFO] [stdout] test fuzzcheck/src/lib.rs - make_mutator (line 101) ... ok [INFO] [stdout] test fuzzcheck/src/lib.rs - make_mutator (line 158) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/recursive.rs - mutators::recursive::RecursiveMutator (line 81) ... ok [INFO] [stdout] test fuzzcheck/src/mutators/recursive.rs - mutators::recursive (line 9) ... ok [INFO] [stdout] test fuzzcheck/src/lib.rs - DefaultMutator (line 186) ... ok [INFO] [stdout] test fuzzcheck/src/sensors_and_pools/allocations_sensor.rs - sensors_and_pools::allocations_sensor::AllocationSensor (line 18) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.61s [INFO] [stdout] [INFO] [stderr] Doc-tests fuzzcheck_common [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests fuzzcheck_mutators_derive [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test fuzzcheck_mutators_derive/src/lib.rs - make_basic_tuple_mutator (line 31) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0a3465272dc1656663da085145f571764d3962022406cba585b265a96aeee306", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a3465272dc1656663da085145f571764d3962022406cba585b265a96aeee306", kill_on_drop: false }` [INFO] [stdout] 0a3465272dc1656663da085145f571764d3962022406cba585b265a96aeee306