[INFO] fetching crate rpn_calculator 0.1.0...
[INFO] testing rpn_calculator-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rpn_calculator 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rpn_calculator 0.1.0
[INFO] finished tweaking crates.io crate rpn_calculator 0.1.0
[INFO] tweaked toml for crates.io crate rpn_calculator 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpn_calculator 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a76fe25c3cefca8de0250fc2d5a66d5b1f2843d5bcdd1278de21d090fc44de9f
[INFO] running `Command { std: "docker" "start" "-a" "a76fe25c3cefca8de0250fc2d5a66d5b1f2843d5bcdd1278de21d090fc44de9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a76fe25c3cefca8de0250fc2d5a66d5b1f2843d5bcdd1278de21d090fc44de9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76fe25c3cefca8de0250fc2d5a66d5b1f2843d5bcdd1278de21d090fc44de9f", kill_on_drop: false }`
[INFO] [stdout] a76fe25c3cefca8de0250fc2d5a66d5b1f2843d5bcdd1278de21d090fc44de9f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec32703798e476eb2fb64a3a2b3d25363137d1fbdeba9151f6c51592dfef10c7
[INFO] running `Command { std: "docker" "start" "-a" "ec32703798e476eb2fb64a3a2b3d25363137d1fbdeba9151f6c51592dfef10c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "ec32703798e476eb2fb64a3a2b3d25363137d1fbdeba9151f6c51592dfef10c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec32703798e476eb2fb64a3a2b3d25363137d1fbdeba9151f6c51592dfef10c7", kill_on_drop: false }`
[INFO] [stdout] ec32703798e476eb2fb64a3a2b3d25363137d1fbdeba9151f6c51592dfef10c7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bbbe5a4f509cc64371d8eb54e9ac96cf52478d3e0f2d6c4575b582bdb28290a
[INFO] running `Command { std: "docker" "start" "-a" "1bbbe5a4f509cc64371d8eb54e9ac96cf52478d3e0f2d6c4575b582bdb28290a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "1bbbe5a4f509cc64371d8eb54e9ac96cf52478d3e0f2d6c4575b582bdb28290a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbbe5a4f509cc64371d8eb54e9ac96cf52478d3e0f2d6c4575b582bdb28290a", kill_on_drop: false }`
[INFO] [stdout] 1bbbe5a4f509cc64371d8eb54e9ac96cf52478d3e0f2d6c4575b582bdb28290a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56acbf66c1225ed4afa3553a556f54705ca5b2ce52bb16a1220fc01fbc1016b7
[INFO] running `Command { std: "docker" "start" "-a" "56acbf66c1225ed4afa3553a556f54705ca5b2ce52bb16a1220fc01fbc1016b7", 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_calculator-d1e82d1a98291780)
[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_calculator
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - eval (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - eval (line 3) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rpn_calc`
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | let a = rpn_calc::eval(src).unwrap();
[INFO] [stdout]   |         ^^^^^^^^ use of unresolved module or unlinked crate `rpn_calc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rpn_calc`, use `cargo add rpn_calc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - eval (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "56acbf66c1225ed4afa3553a556f54705ca5b2ce52bb16a1220fc01fbc1016b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56acbf66c1225ed4afa3553a556f54705ca5b2ce52bb16a1220fc01fbc1016b7", kill_on_drop: false }`
[INFO] [stdout] 56acbf66c1225ed4afa3553a556f54705ca5b2ce52bb16a1220fc01fbc1016b7