[INFO] fetching crate natural_numbers 0.1.0...
[INFO] testing natural_numbers-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate natural_numbers 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate natural_numbers 0.1.0
[INFO] finished tweaking crates.io crate natural_numbers 0.1.0
[INFO] tweaked toml for crates.io crate natural_numbers 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate natural_numbers 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a3fc5b091630dd901a20be2512d456f7a13555fbcc5e2290ce793fba1104196
[INFO] running `Command { std: "docker" "start" "-a" "3a3fc5b091630dd901a20be2512d456f7a13555fbcc5e2290ce793fba1104196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a3fc5b091630dd901a20be2512d456f7a13555fbcc5e2290ce793fba1104196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3fc5b091630dd901a20be2512d456f7a13555fbcc5e2290ce793fba1104196", kill_on_drop: false }`
[INFO] [stdout] 3a3fc5b091630dd901a20be2512d456f7a13555fbcc5e2290ce793fba1104196
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deb6cca4ef60e11ed5693751b7f03f3642fb7f6a1c6d3f07a82f81016910ad65
[INFO] running `Command { std: "docker" "start" "-a" "deb6cca4ef60e11ed5693751b7f03f3642fb7f6a1c6d3f07a82f81016910ad65", kill_on_drop: false }`
[INFO] [stderr]    Compiling natural_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "deb6cca4ef60e11ed5693751b7f03f3642fb7f6a1c6d3f07a82f81016910ad65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb6cca4ef60e11ed5693751b7f03f3642fb7f6a1c6d3f07a82f81016910ad65", kill_on_drop: false }`
[INFO] [stdout] deb6cca4ef60e11ed5693751b7f03f3642fb7f6a1c6d3f07a82f81016910ad65
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b511fe279b6f9ada1b9ded1efe3f4835e83b754aec2da11d3a3a5a9c03d1d39
[INFO] running `Command { std: "docker" "start" "-a" "3b511fe279b6f9ada1b9ded1efe3f4835e83b754aec2da11d3a3a5a9c03d1d39", kill_on_drop: false }`
[INFO] [stderr]    Compiling natural_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "3b511fe279b6f9ada1b9ded1efe3f4835e83b754aec2da11d3a3a5a9c03d1d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b511fe279b6f9ada1b9ded1efe3f4835e83b754aec2da11d3a3a5a9c03d1d39", kill_on_drop: false }`
[INFO] [stdout] 3b511fe279b6f9ada1b9ded1efe3f4835e83b754aec2da11d3a3a5a9c03d1d39
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 135c089cec876fb18af85ccaa9ddb5743b63bc9fe827d7374a51a66587e6331d
[INFO] running `Command { std: "docker" "start" "-a" "135c089cec876fb18af85ccaa9ddb5743b63bc9fe827d7374a51a66587e6331d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/natural_numbers-de476bf6ce3b4730)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/natural_numbers-06e63b74deefa392)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests natural_numbers
[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 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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Nat::wrap (line 22) ... ok
[INFO] [stdout] test src/lib.rs - Nat::add (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Nat::pred (line 44) ... ok
[INFO] [stdout] test src/lib.rs - Nat::value (line 12) ... ok
[INFO] [stdout] test src/lib.rs - Nat::succ (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "135c089cec876fb18af85ccaa9ddb5743b63bc9fe827d7374a51a66587e6331d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135c089cec876fb18af85ccaa9ddb5743b63bc9fe827d7374a51a66587e6331d", kill_on_drop: false }`
[INFO] [stdout] 135c089cec876fb18af85ccaa9ddb5743b63bc9fe827d7374a51a66587e6331d