[INFO] fetching crate observrs 0.0.1...
[INFO] testing observrs-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate observrs 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate observrs 0.0.1
[INFO] finished tweaking crates.io crate observrs 0.0.1
[INFO] tweaked toml for crates.io crate observrs 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate observrs 0.0.1 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 observrs 0.0.1 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c07ee302a2bb791eb5ad38b00c45e813d36aeebe8641cd6f0e7eaa92982a0fd
[INFO] running `Command { std: "docker" "start" "-a" "5c07ee302a2bb791eb5ad38b00c45e813d36aeebe8641cd6f0e7eaa92982a0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c07ee302a2bb791eb5ad38b00c45e813d36aeebe8641cd6f0e7eaa92982a0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c07ee302a2bb791eb5ad38b00c45e813d36aeebe8641cd6f0e7eaa92982a0fd", kill_on_drop: false }`
[INFO] [stdout] 5c07ee302a2bb791eb5ad38b00c45e813d36aeebe8641cd6f0e7eaa92982a0fd
[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=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] 61a23ff8be985f8b8f89a9567f98e9ac8d32a7abd67995a318d6adccc5ef453e
[INFO] running `Command { std: "docker" "start" "-a" "61a23ff8be985f8b8f89a9567f98e9ac8d32a7abd67995a318d6adccc5ef453e", kill_on_drop: false }`
[INFO] [stderr]    Compiling observrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "61a23ff8be985f8b8f89a9567f98e9ac8d32a7abd67995a318d6adccc5ef453e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a23ff8be985f8b8f89a9567f98e9ac8d32a7abd67995a318d6adccc5ef453e", kill_on_drop: false }`
[INFO] [stdout] 61a23ff8be985f8b8f89a9567f98e9ac8d32a7abd67995a318d6adccc5ef453e
[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=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] 54c5bc6b4e14583c3c2c6a854db680f89c9106696762f03923180c81951df5a9
[INFO] running `Command { std: "docker" "start" "-a" "54c5bc6b4e14583c3c2c6a854db680f89c9106696762f03923180c81951df5a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling observrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "54c5bc6b4e14583c3c2c6a854db680f89c9106696762f03923180c81951df5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c5bc6b4e14583c3c2c6a854db680f89c9106696762f03923180c81951df5a9", kill_on_drop: false }`
[INFO] [stdout] 54c5bc6b4e14583c3c2c6a854db680f89c9106696762f03923180c81951df5a9
[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=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] 4e2a7bb5de36453b29e372898dfb69929cf309bd14b7c26e7bcaa5b5c88b8b08
[INFO] running `Command { std: "docker" "start" "-a" "4e2a7bb5de36453b29e372898dfb69929cf309bd14b7c26e7bcaa5b5c88b8b08", 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/observrs-6074bd6ea1557619)
[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/observrs-412708c40bae1480)
[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 observrs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - hello_world (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e2a7bb5de36453b29e372898dfb69929cf309bd14b7c26e7bcaa5b5c88b8b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2a7bb5de36453b29e372898dfb69929cf309bd14b7c26e7bcaa5b5c88b8b08", kill_on_drop: false }`
[INFO] [stdout] 4e2a7bb5de36453b29e372898dfb69929cf309bd14b7c26e7bcaa5b5c88b8b08