[INFO] cloning repository https://github.com/trykA123/coverage_might_work
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trykA123/coverage_might_work" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtrykA123%2Fcoverage_might_work", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtrykA123%2Fcoverage_might_work'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e81fad48385b41c9732e1e301ee5d57472088916
[INFO] checking trykA123/coverage_might_work against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtrykA123%2Fcoverage_might_work" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trykA123/coverage_might_work
[INFO] finished tweaking git repo https://github.com/trykA123/coverage_might_work
[INFO] tweaked toml for git repo https://github.com/trykA123/coverage_might_work written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trykA123/coverage_might_work on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trykA123/coverage_might_work already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-6-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `testing`
[INFO] [stderr]   * `bin` target `coverage_might_work`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lcov2cobertura v1.0.3
[INFO] [stderr]   Downloaded cargo-llvm-cov v0.6.5
[INFO] [stderr]   Downloaded cargo-config2 v0.1.19
[INFO] [stderr]   Downloaded winnow v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b94719efe72e994ff2b1a6e98ae9ee154b1bd48c2fc7a71f8eb94585f89da661
[INFO] running `Command { std: "docker" "start" "-a" "b94719efe72e994ff2b1a6e98ae9ee154b1bd48c2fc7a71f8eb94585f89da661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94719efe72e994ff2b1a6e98ae9ee154b1bd48c2fc7a71f8eb94585f89da661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94719efe72e994ff2b1a6e98ae9ee154b1bd48c2fc7a71f8eb94585f89da661", kill_on_drop: false }`
[INFO] [stdout] b94719efe72e994ff2b1a6e98ae9ee154b1bd48c2fc7a71f8eb94585f89da661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d766a2ab42e5c32e451366ff21d349f43b9ddcfdf35448b720813142d0091d
[INFO] running `Command { std: "docker" "start" "-a" "c9d766a2ab42e5c32e451366ff21d349f43b9ddcfdf35448b720813142d0091d", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `testing`
[INFO] [stderr]   * `bin` target `coverage_might_work`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking winnow v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking is_executable v1.0.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking lexopt v0.3.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking duct v0.13.7
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.5
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking opener v0.6.1
[INFO] [stderr]     Checking lcov2cobertura v1.0.3
[INFO] [stderr]     Checking cargo-config2 v0.1.19
[INFO] [stderr]     Checking cargo-llvm-cov v0.6.5
[INFO] [stderr]     Checking coverage_might_work v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]  --> src/second.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn greet() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.13s
[INFO] running `Command { std: "docker" "inspect" "c9d766a2ab42e5c32e451366ff21d349f43b9ddcfdf35448b720813142d0091d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d766a2ab42e5c32e451366ff21d349f43b9ddcfdf35448b720813142d0091d", kill_on_drop: false }`
[INFO] [stdout] c9d766a2ab42e5c32e451366ff21d349f43b9ddcfdf35448b720813142d0091d