[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] 9077693abd90bb44955ed008749b5902acfa65bd
[INFO] checking loiclec/fuzzcheck-rs against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floiclec%2Ffuzzcheck-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loiclec/fuzzcheck-rs on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded ahash v0.7.8
[INFO] [stderr]   Downloaded serde_json v1.0.114
[INFO] [stderr]   Downloaded libz-sys v1.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5080d8cf8de7c2fc3b57011027e042cd0fa23d43946b8246c970012aa8c0b6
[INFO] running `Command { std: "docker" "start" "-a" "1a5080d8cf8de7c2fc3b57011027e042cd0fa23d43946b8246c970012aa8c0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5080d8cf8de7c2fc3b57011027e042cd0fa23d43946b8246c970012aa8c0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5080d8cf8de7c2fc3b57011027e042cd0fa23d43946b8246c970012aa8c0b6", kill_on_drop: false }`
[INFO] [stdout] 1a5080d8cf8de7c2fc3b57011027e042cd0fa23d43946b8246c970012aa8c0b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca4e7d7ca1ad567f4c31dcc6ca0fbe66af5ca53e24d8233f4222e184f96831c
[INFO] running `Command { std: "docker" "start" "-a" "6ca4e7d7ca1ad567f4c31dcc6ca0fbe66af5ca53e24d8233f4222e184f96831c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.89
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking fuzzcheck_common v0.12.0 (/opt/rustwide/workdir/fuzzcheck_common)
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling cargo-fuzzcheck v0.12.0 (/opt/rustwide/workdir/cargo-fuzzcheck)
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling fuzzcheck v0.12.1 (/opt/rustwide/workdir/fuzzcheck)
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr] warning: fuzzcheck@0.12.1: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking fuzzcheck_mutators_derive v0.12.0 (/opt/rustwide/workdir/fuzzcheck_mutators_derive)
[INFO] [stderr]    Compiling serde_derive v1.0.197
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 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(()),
[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(()),
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 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(()),
[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(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "6ca4e7d7ca1ad567f4c31dcc6ca0fbe66af5ca53e24d8233f4222e184f96831c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca4e7d7ca1ad567f4c31dcc6ca0fbe66af5ca53e24d8233f4222e184f96831c", kill_on_drop: false }`
[INFO] [stdout] 6ca4e7d7ca1ad567f4c31dcc6ca0fbe66af5ca53e24d8233f4222e184f96831c
