[INFO] fetching crate nu-mcp 0.108.0...
[INFO] testing nu-mcp-0.108.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nu-mcp 0.108.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nu-mcp 0.108.0
[INFO] finished tweaking crates.io crate nu-mcp 0.108.0
[INFO] tweaked toml for crates.io crate nu-mcp 0.108.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nu-mcp 0.108.0 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] crate crates.io crate nu-mcp 0.108.0 already has a lockfile, it will not be regenerated
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 39626c043dc04f65becb09f463180524ee1f83d3357c2f78bba021bd544f5dd9
[INFO] running `Command { std: "docker" "start" "-a" "39626c043dc04f65becb09f463180524ee1f83d3357c2f78bba021bd544f5dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39626c043dc04f65becb09f463180524ee1f83d3357c2f78bba021bd544f5dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39626c043dc04f65becb09f463180524ee1f83d3357c2f78bba021bd544f5dd9", kill_on_drop: false }`
[INFO] [stdout] 39626c043dc04f65becb09f463180524ee1f83d3357c2f78bba021bd544f5dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fc87e4418008f08f858c2cde773aa4a2329b16b4a567d2f9ecd1879c217d6308
[INFO] running `Command { std: "docker" "start" "-a" "fc87e4418008f08f858c2cde773aa4a2329b16b4a567d2f9ecd1879c217d6308", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling pure-rust-locales v0.8.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling vte v0.14.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling buf-trait v0.4.1
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling byteyarn v0.5.1
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling strip-ansi-escapes v0.2.1
[INFO] [stderr]    Compiling lscolors v0.20.0
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling inventory v0.3.15
[INFO] [stderr]    Compiling sys-locale v0.3.2
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling unicase v2.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling sysinfo v0.36.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling nu-glob v0.108.0
[INFO] [stderr]    Compiling moka v0.12.10
[INFO] [stderr]    Compiling dyn-clone v1.0.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling bytesize v2.1.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling terminal_size v0.4.1
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling fancy-regex v0.16.1
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.225
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling ref-cast-impl v1.0.23
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling typetag-impl v0.2.18
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling nu-derive-value v0.108.0
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling nu-experimental v0.108.0
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling pwd v1.4.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling nu-path v0.108.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling erased-serde v0.4.5
[INFO] [stderr]    Compiling lean_string v0.5.0
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling darling_macro v0.21.0
[INFO] [stderr]    Compiling darling v0.21.0
[INFO] [stderr]    Compiling rmcp-macros v0.8.1
[INFO] [stderr]    Compiling typetag v0.2.18
[INFO] [stderr]    Compiling nu-utils v0.108.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling procfs-core v0.17.0
[INFO] [stderr]    Compiling chrono-humanize v0.2.3
[INFO] [stderr]    Compiling schemars v1.0.4
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling rmcp v0.8.1
[INFO] [stderr]    Compiling nu-system v0.108.0
[INFO] [stderr]    Compiling nu-protocol v0.108.0
[INFO] [stderr]    Compiling nu-engine v0.108.0
[INFO] [stderr]    Compiling nu-parser v0.108.0
[INFO] [stderr]    Compiling nu-mcp v0.108.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "fc87e4418008f08f858c2cde773aa4a2329b16b4a567d2f9ecd1879c217d6308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc87e4418008f08f858c2cde773aa4a2329b16b4a567d2f9ecd1879c217d6308", kill_on_drop: false }`
[INFO] [stdout] fc87e4418008f08f858c2cde773aa4a2329b16b4a567d2f9ecd1879c217d6308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 697e24ff7f7f37a58b263547935ff45e93d60909673bb14e08a9e1206e370eb3
[INFO] running `Command { std: "docker" "start" "-a" "697e24ff7f7f37a58b263547935ff45e93d60909673bb14e08a9e1206e370eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling tz-rs v0.7.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling is_debug v1.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling tzdb_data v0.2.1
[INFO] [stderr]    Compiling const_format v0.2.34
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling shadow-rs v1.4.0
[INFO] [stderr]    Compiling buf-trait v0.4.1
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling byteyarn v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling nu-utils v0.108.0
[INFO] [stderr]    Compiling lipsum v0.9.1
[INFO] [stderr]    Compiling nu-protocol v0.108.0
[INFO] [stderr]    Compiling tzdb v0.7.2
[INFO] [stderr]    Compiling nu-cmd-lang v0.108.0
[INFO] [stderr]    Compiling nu-engine v0.108.0
[INFO] [stderr]    Compiling nu-parser v0.108.0
[INFO] [stderr]    Compiling nu-cmd-base v0.108.0
[INFO] [stderr]    Compiling nuon v0.108.0
[INFO] [stderr]    Compiling nu-mcp v0.108.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 29.35s
[INFO] running `Command { std: "docker" "inspect" "697e24ff7f7f37a58b263547935ff45e93d60909673bb14e08a9e1206e370eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697e24ff7f7f37a58b263547935ff45e93d60909673bb14e08a9e1206e370eb3", kill_on_drop: false }`
[INFO] [stdout] 697e24ff7f7f37a58b263547935ff45e93d60909673bb14e08a9e1206e370eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 177579fff1282f4bcfeef16d0b603d93907db7a7b56bb86d5db4cf336137c686
[INFO] running `Command { std: "docker" "start" "-a" "177579fff1282f4bcfeef16d0b603d93907db7a7b56bb86d5db4cf336137c686", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nu_mcp-37444c3d5589b21b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test evaluation::tests::test_evaluator_parse_error_message ... ok
[INFO] [stdout] test evaluation::tests::test_evaluator_runtime_error_message ... ok
[INFO] [stdout] test evaluation::tests::test_evaluator_compile_error_message ... ok
[INFO] [stderr]    Doc-tests nu_mcp
[INFO] [stdout] test evaluation::tests::test_evaluator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[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] running `Command { std: "docker" "inspect" "177579fff1282f4bcfeef16d0b603d93907db7a7b56bb86d5db4cf336137c686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177579fff1282f4bcfeef16d0b603d93907db7a7b56bb86d5db4cf336137c686", kill_on_drop: false }`
[INFO] [stdout] 177579fff1282f4bcfeef16d0b603d93907db7a7b56bb86d5db4cf336137c686
