[INFO] fetching crate fahrenheit_to_celsius_converter 0.1.0...
[INFO] testing fahrenheit_to_celsius_converter-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fahrenheit_to_celsius_converter 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fahrenheit_to_celsius_converter 0.1.0
[INFO] finished tweaking crates.io crate fahrenheit_to_celsius_converter 0.1.0
[INFO] tweaked toml for crates.io crate fahrenheit_to_celsius_converter 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fahrenheit_to_celsius_converter 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 55f04ef2c3b203736797c104958d3b336ef0272830909ab7a005a9646a3956e4
[INFO] running `Command { std: "docker" "start" "-a" "55f04ef2c3b203736797c104958d3b336ef0272830909ab7a005a9646a3956e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55f04ef2c3b203736797c104958d3b336ef0272830909ab7a005a9646a3956e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f04ef2c3b203736797c104958d3b336ef0272830909ab7a005a9646a3956e4", kill_on_drop: false }`
[INFO] [stdout] 55f04ef2c3b203736797c104958d3b336ef0272830909ab7a005a9646a3956e4
[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] 52f3beea0515393a3314ea1f044e5316cf3305f6e33a5a4dc80f848c5982488d
[INFO] running `Command { std: "docker" "start" "-a" "52f3beea0515393a3314ea1f044e5316cf3305f6e33a5a4dc80f848c5982488d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fahrenheit_to_celsius_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "52f3beea0515393a3314ea1f044e5316cf3305f6e33a5a4dc80f848c5982488d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f3beea0515393a3314ea1f044e5316cf3305f6e33a5a4dc80f848c5982488d", kill_on_drop: false }`
[INFO] [stdout] 52f3beea0515393a3314ea1f044e5316cf3305f6e33a5a4dc80f848c5982488d
[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] 56d965898f11a3003a7c317d16bd2412b2b1898ee10c2b018808f10f409b8265
[INFO] running `Command { std: "docker" "start" "-a" "56d965898f11a3003a7c317d16bd2412b2b1898ee10c2b018808f10f409b8265", kill_on_drop: false }`
[INFO] [stderr]    Compiling fahrenheit_to_celsius_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "56d965898f11a3003a7c317d16bd2412b2b1898ee10c2b018808f10f409b8265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d965898f11a3003a7c317d16bd2412b2b1898ee10c2b018808f10f409b8265", kill_on_drop: false }`
[INFO] [stdout] 56d965898f11a3003a7c317d16bd2412b2b1898ee10c2b018808f10f409b8265
[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] f9a72a14aae943f5ec9e3007b75eed4ddc2077b602ff420aa947c4de7ec0f844
[INFO] running `Command { std: "docker" "start" "-a" "f9a72a14aae943f5ec9e3007b75eed4ddc2077b602ff420aa947c4de7ec0f844", 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/fahrenheit_to_celsius_converter-86c6987a7e3c0fa2)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::check_near_precision_boundary ... ok
[INFO] [stdout] test tests::does_not_panic_on_extremes ... ok
[INFO] [stdout] test tests::fractional_input ... ok
[INFO] [stdout] test tests::extremely_high_temp ... ok
[INFO] [stdout] test tests::handles_large_inputs_safely ... ok
[INFO] [stdout] test tests::negative_same_value ... ok
[INFO] [stdout] test tests::absolute_zero ... ok
[INFO] [stdout] test tests::boiling_point ... ok
[INFO] [stdout] test tests::freezing_point ... ok
[INFO] [stdout] test tests::moderately_large_value ... ok
[INFO] [stdout] test tests::small_fractional_input ... ok
[INFO] [stdout] test tests::zero_fahrenheit ... ok
[INFO] [stdout] test tests::negative_fractional_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fahrenheit_to_celsius_converter
[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] running `Command { std: "docker" "inspect" "f9a72a14aae943f5ec9e3007b75eed4ddc2077b602ff420aa947c4de7ec0f844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a72a14aae943f5ec9e3007b75eed4ddc2077b602ff420aa947c4de7ec0f844", kill_on_drop: false }`
[INFO] [stdout] f9a72a14aae943f5ec9e3007b75eed4ddc2077b602ff420aa947c4de7ec0f844