[INFO] fetching crate coverage-helper 0.2.4...
[INFO] testing coverage-helper-0.2.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate coverage-helper 0.2.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate coverage-helper 0.2.4
[INFO] finished tweaking crates.io crate coverage-helper 0.2.4
[INFO] tweaked toml for crates.io crate coverage-helper 0.2.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate coverage-helper 0.2.4 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate coverage-helper 0.2.4 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51be82566d6a494694b3aef47970b1d1338bcf6d79dd2fbc7e03abe297a38ffa
[INFO] running `Command { std: "docker" "start" "-a" "51be82566d6a494694b3aef47970b1d1338bcf6d79dd2fbc7e03abe297a38ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51be82566d6a494694b3aef47970b1d1338bcf6d79dd2fbc7e03abe297a38ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51be82566d6a494694b3aef47970b1d1338bcf6d79dd2fbc7e03abe297a38ffa", kill_on_drop: false }`
[INFO] [stdout] 51be82566d6a494694b3aef47970b1d1338bcf6d79dd2fbc7e03abe297a38ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f6111fd36b7a5f5bbcf1ae0e04eb891307d5eb7ace180a4310454581403842c
[INFO] running `Command { std: "docker" "start" "-a" "4f6111fd36b7a5f5bbcf1ae0e04eb891307d5eb7ace180a4310454581403842c", kill_on_drop: false }`
[INFO] [stderr]    Compiling coverage-helper v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "4f6111fd36b7a5f5bbcf1ae0e04eb891307d5eb7ace180a4310454581403842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6111fd36b7a5f5bbcf1ae0e04eb891307d5eb7ace180a4310454581403842c", kill_on_drop: false }`
[INFO] [stdout] 4f6111fd36b7a5f5bbcf1ae0e04eb891307d5eb7ace180a4310454581403842c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91f6580a97f4218c6626c24108afd0c7193d7515adce568ae725698cdf2bee79
[INFO] running `Command { std: "docker" "start" "-a" "91f6580a97f4218c6626c24108afd0c7193d7515adce568ae725698cdf2bee79", kill_on_drop: false }`
[INFO] [stderr]    Compiling coverage-helper v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "91f6580a97f4218c6626c24108afd0c7193d7515adce568ae725698cdf2bee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f6580a97f4218c6626c24108afd0c7193d7515adce568ae725698cdf2bee79", kill_on_drop: false }`
[INFO] [stdout] 91f6580a97f4218c6626c24108afd0c7193d7515adce568ae725698cdf2bee79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29c38959878569b68c30e034170942c4fcea0781fbd009ea140febffc8acc6fc
[INFO] running `Command { std: "docker" "start" "-a" "29c38959878569b68c30e034170942c4fcea0781fbd009ea140febffc8acc6fc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coverage_helper-e5c539645af936a7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coverage_helper
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29c38959878569b68c30e034170942c4fcea0781fbd009ea140febffc8acc6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c38959878569b68c30e034170942c4fcea0781fbd009ea140febffc8acc6fc", kill_on_drop: false }`
[INFO] [stdout] 29c38959878569b68c30e034170942c4fcea0781fbd009ea140febffc8acc6fc