[INFO] fetching crate rpn_calc_karin 0.1.1...
[INFO] testing rpn_calc_karin-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rpn_calc_karin 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rpn_calc_karin 0.1.1
[INFO] finished tweaking crates.io crate rpn_calc_karin 0.1.1
[INFO] tweaked toml for crates.io crate rpn_calc_karin 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpn_calc_karin 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f53d7697ebcb7b76e9cc52628bfbbef2a71e0496fb6b3751a5a3ccf3e1defa49
[INFO] running `Command { std: "docker" "start" "-a" "f53d7697ebcb7b76e9cc52628bfbbef2a71e0496fb6b3751a5a3ccf3e1defa49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f53d7697ebcb7b76e9cc52628bfbbef2a71e0496fb6b3751a5a3ccf3e1defa49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53d7697ebcb7b76e9cc52628bfbbef2a71e0496fb6b3751a5a3ccf3e1defa49", kill_on_drop: false }`
[INFO] [stdout] f53d7697ebcb7b76e9cc52628bfbbef2a71e0496fb6b3751a5a3ccf3e1defa49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98577793d4d507aa3f50e5c096db7a47d831f9fc13fa42067cf39f81b0da6ff6
[INFO] running `Command { std: "docker" "start" "-a" "98577793d4d507aa3f50e5c096db7a47d831f9fc13fa42067cf39f81b0da6ff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calc_karin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "98577793d4d507aa3f50e5c096db7a47d831f9fc13fa42067cf39f81b0da6ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98577793d4d507aa3f50e5c096db7a47d831f9fc13fa42067cf39f81b0da6ff6", kill_on_drop: false }`
[INFO] [stdout] 98577793d4d507aa3f50e5c096db7a47d831f9fc13fa42067cf39f81b0da6ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86f6c4349542d84282a8c96d23c566977e26da73dc5d1a7d1c6a603a14d832e9
[INFO] running `Command { std: "docker" "start" "-a" "86f6c4349542d84282a8c96d23c566977e26da73dc5d1a7d1c6a603a14d832e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calc_karin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "86f6c4349542d84282a8c96d23c566977e26da73dc5d1a7d1c6a603a14d832e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f6c4349542d84282a8c96d23c566977e26da73dc5d1a7d1c6a603a14d832e9", kill_on_drop: false }`
[INFO] [stdout] 86f6c4349542d84282a8c96d23c566977e26da73dc5d1a7d1c6a603a14d832e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b63645659e3947a64cce144a8ca339c5f49afbb76dd4401d523ebf81f3c34020
[INFO] running `Command { std: "docker" "start" "-a" "b63645659e3947a64cce144a8ca339c5f49afbb76dd4401d523ebf81f3c34020", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rpn_calc_karin-bcfbb47dd4bacdd4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rpn_calc_karin
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b63645659e3947a64cce144a8ca339c5f49afbb76dd4401d523ebf81f3c34020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b63645659e3947a64cce144a8ca339c5f49afbb76dd4401d523ebf81f3c34020", kill_on_drop: false }`
[INFO] [stdout] b63645659e3947a64cce144a8ca339c5f49afbb76dd4401d523ebf81f3c34020
