[INFO] fetching crate mcp-server-nu 0.3.0...
[INFO] testing mcp-server-nu-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mcp-server-nu 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mcp-server-nu 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcp-server-nu 0.3.0
[INFO] tweaked toml for crates.io crate mcp-server-nu 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-server-nu 0.3.0 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] crate crates.io crate mcp-server-nu 0.3.0 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-2025-09-21" "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] c818dcb3f32ee6a9abda4c29cc74418d3975e1a2f2bcc74bc0571eef173cc927
[INFO] running `Command { std: "docker" "start" "-a" "c818dcb3f32ee6a9abda4c29cc74418d3975e1a2f2bcc74bc0571eef173cc927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c818dcb3f32ee6a9abda4c29cc74418d3975e1a2f2bcc74bc0571eef173cc927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c818dcb3f32ee6a9abda4c29cc74418d3975e1a2f2bcc74bc0571eef173cc927", kill_on_drop: false }`
[INFO] [stdout] c818dcb3f32ee6a9abda4c29cc74418d3975e1a2f2bcc74bc0571eef173cc927
[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] 01d4163d8f8fedfe2efa9702bdd117fb4083bb542b41540377e8e11021da511e
[INFO] running `Command { std: "docker" "start" "-a" "01d4163d8f8fedfe2efa9702bdd117fb4083bb542b41540377e8e11021da511e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.42
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling darling_macro v0.21.0
[INFO] [stderr]    Compiling darling v0.21.0
[INFO] [stderr]    Compiling clap v4.5.42
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rmcp-macros v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling schemars v1.0.4
[INFO] [stderr]    Compiling rmcp v0.3.1
[INFO] [stderr]    Compiling mcp-server-nu v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.56s
[INFO] running `Command { std: "docker" "inspect" "01d4163d8f8fedfe2efa9702bdd117fb4083bb542b41540377e8e11021da511e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d4163d8f8fedfe2efa9702bdd117fb4083bb542b41540377e8e11021da511e", kill_on_drop: false }`
[INFO] [stdout] 01d4163d8f8fedfe2efa9702bdd117fb4083bb542b41540377e8e11021da511e
[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] 358c1fc03e5d3d162ed5d1d102e476a1f786da216607e40494dba9b523eaa25c
[INFO] running `Command { std: "docker" "start" "-a" "358c1fc03e5d3d162ed5d1d102e476a1f786da216607e40494dba9b523eaa25c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling mcp-server-nu v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.27s
[INFO] running `Command { std: "docker" "inspect" "358c1fc03e5d3d162ed5d1d102e476a1f786da216607e40494dba9b523eaa25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358c1fc03e5d3d162ed5d1d102e476a1f786da216607e40494dba9b523eaa25c", kill_on_drop: false }`
[INFO] [stdout] 358c1fc03e5d3d162ed5d1d102e476a1f786da216607e40494dba9b523eaa25c
[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] 99c618cbf5cec67cc50b489089feb9dee69a337544ac523f7e3de1763e010e6b
[INFO] running `Command { std: "docker" "start" "-a" "99c618cbf5cec67cc50b489089feb9dee69a337544ac523f7e3de1763e010e6b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mcp_server_nu-19df968f1f6a29ee)
[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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-1a4d4431584bfbac)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test smoke_test_binary_exists ... ok
[INFO] [stdout] test test_xdg_config_home_environment_setup ... FAILED
[INFO] [stdout] test test_config_only_via_cli_args ... FAILED
[INFO] [stdout] test test_missing_config_file_behavior ... FAILED
[INFO] [stdout] test test_server_continues_after_timeout ... FAILED
[INFO] [stdout] test test_mcp_protocol_complete_flow ... ok
[INFO] [stdout] test test_custom_config_via_cli_args ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test integration_test`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_xdg_config_home_environment_setup stdout ----
[INFO] [stdout] Error: Error("expected value", line: 1, column: 1)
[INFO] [stdout] 
[INFO] [stdout] ---- test_config_only_via_cli_args stdout ----
[INFO] [stdout] Error: Error("expected value", line: 1, column: 1)
[INFO] [stdout] 
[INFO] [stdout] ---- test_missing_config_file_behavior stdout ----
[INFO] [stdout] Error: Error("expected value", line: 1, column: 1)
[INFO] [stdout] 
[INFO] [stdout] ---- test_server_continues_after_timeout stdout ----
[INFO] [stdout] Error: Error("expected value", line: 1, column: 1)
[INFO] [stdout] 
[INFO] [stdout] ---- test_custom_config_via_cli_args stdout ----
[INFO] [stdout] Error: Error("expected value", line: 1, column: 1)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_config_only_via_cli_args
[INFO] [stdout]     test_custom_config_via_cli_args
[INFO] [stdout]     test_missing_config_file_behavior
[INFO] [stdout]     test_server_continues_after_timeout
[INFO] [stdout]     test_xdg_config_home_environment_setup
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99c618cbf5cec67cc50b489089feb9dee69a337544ac523f7e3de1763e010e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c618cbf5cec67cc50b489089feb9dee69a337544ac523f7e3de1763e010e6b", kill_on_drop: false }`
[INFO] [stdout] 99c618cbf5cec67cc50b489089feb9dee69a337544ac523f7e3de1763e010e6b