[INFO] fetching crate rpn_calc_JM 0.1.1...
[INFO] testing rpn_calc_JM-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rpn_calc_JM 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rpn_calc_JM 0.1.1
[INFO] finished tweaking crates.io crate rpn_calc_JM 0.1.1
[INFO] tweaked toml for crates.io crate rpn_calc_JM 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpn_calc_JM 0.1.1 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] 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] e194fada2d32ae5bac6ddaa1b22fe6485a1caed8e8e9fa81e960c26fd5a3369c
[INFO] running `Command { std: "docker" "start" "-a" "e194fada2d32ae5bac6ddaa1b22fe6485a1caed8e8e9fa81e960c26fd5a3369c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e194fada2d32ae5bac6ddaa1b22fe6485a1caed8e8e9fa81e960c26fd5a3369c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e194fada2d32ae5bac6ddaa1b22fe6485a1caed8e8e9fa81e960c26fd5a3369c", kill_on_drop: false }`
[INFO] [stdout] e194fada2d32ae5bac6ddaa1b22fe6485a1caed8e8e9fa81e960c26fd5a3369c
[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] e8e66b83281f494e770d65b4d2f0fe53d7fde5bb9bedcc80b924420f49164de5
[INFO] running `Command { std: "docker" "start" "-a" "e8e66b83281f494e770d65b4d2f0fe53d7fde5bb9bedcc80b924420f49164de5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpn_calc_JM v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `rpn_calc_JM` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rpn_calc_jm`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e8e66b83281f494e770d65b4d2f0fe53d7fde5bb9bedcc80b924420f49164de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e66b83281f494e770d65b4d2f0fe53d7fde5bb9bedcc80b924420f49164de5", kill_on_drop: false }`
[INFO] [stdout] e8e66b83281f494e770d65b4d2f0fe53d7fde5bb9bedcc80b924420f49164de5
[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] 7d45ecf62d8bcabf444a02a0f16b978b185bdaba7932392f4868aff6b7342713
[INFO] running `Command { std: "docker" "start" "-a" "7d45ecf62d8bcabf444a02a0f16b978b185bdaba7932392f4868aff6b7342713", kill_on_drop: false }`
[INFO] [stdout] warning: crate `rpn_calc_JM` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rpn_calc_jm`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rpn_calc_JM v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7d45ecf62d8bcabf444a02a0f16b978b185bdaba7932392f4868aff6b7342713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d45ecf62d8bcabf444a02a0f16b978b185bdaba7932392f4868aff6b7342713", kill_on_drop: false }`
[INFO] [stdout] 7d45ecf62d8bcabf444a02a0f16b978b185bdaba7932392f4868aff6b7342713
[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] 923880b59fb4480472a5523db1bab693562b53cc60f1014bd6e08ea257d8a44f
[INFO] running `Command { std: "docker" "start" "-a" "923880b59fb4480472a5523db1bab693562b53cc60f1014bd6e08ea257d8a44f", kill_on_drop: false }`
[INFO] [stderr] warning: crate `rpn_calc_JM` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `rpn_calc_jm`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rpn_calc_JM` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rpn_calc_JM-88c3da4e2e3173a0)
[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_JM
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - eval (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "923880b59fb4480472a5523db1bab693562b53cc60f1014bd6e08ea257d8a44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923880b59fb4480472a5523db1bab693562b53cc60f1014bd6e08ea257d8a44f", kill_on_drop: false }`
[INFO] [stdout] 923880b59fb4480472a5523db1bab693562b53cc60f1014bd6e08ea257d8a44f