[INFO] fetching crate sovran-mcp 0.3.6...
[INFO] testing sovran-mcp-0.3.6 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate sovran-mcp 0.3.6 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate sovran-mcp 0.3.6
[INFO] finished tweaking crates.io crate sovran-mcp 0.3.6
[INFO] tweaked toml for crates.io crate sovran-mcp 0.3.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sovran-mcp 0.3.6 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sovran-mcp 0.3.6 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cbafffc5e50079315ef860e3a4012e836b465618ededcbeadcf490f96627126
[INFO] running `Command { std: "docker" "start" "-a" "4cbafffc5e50079315ef860e3a4012e836b465618ededcbeadcf490f96627126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cbafffc5e50079315ef860e3a4012e836b465618ededcbeadcf490f96627126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbafffc5e50079315ef860e3a4012e836b465618ededcbeadcf490f96627126", kill_on_drop: false }`
[INFO] [stdout] 4cbafffc5e50079315ef860e3a4012e836b465618ededcbeadcf490f96627126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a93a1fd000bb774ce3c3f00b296bf73c65ecf3a7ab408dbb5cfeafd63f8d1031
[INFO] running `Command { std: "docker" "start" "-a" "a93a1fd000bb774ce3c3f00b296bf73c65ecf3a7ab408dbb5cfeafd63f8d1031", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.7.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling sovran-mcp v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CreateMessage` is never constructed
[INFO] [stdout]   --> src/commands.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct CreateMessage;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.25s
[INFO] running `Command { std: "docker" "inspect" "a93a1fd000bb774ce3c3f00b296bf73c65ecf3a7ab408dbb5cfeafd63f8d1031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93a1fd000bb774ce3c3f00b296bf73c65ecf3a7ab408dbb5cfeafd63f8d1031", kill_on_drop: false }`
[INFO] [stdout] a93a1fd000bb774ce3c3f00b296bf73c65ecf3a7ab408dbb5cfeafd63f8d1031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d2cc2799f71e08ef207abedd1b6a830a3864d42b8b49cd2d4bed11fb68e5fe
[INFO] running `Command { std: "docker" "start" "-a" "18d2cc2799f71e08ef207abedd1b6a830a3864d42b8b49cd2d4bed11fb68e5fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling sovran-mcp v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CreateMessage` is never constructed
[INFO] [stdout]   --> src/commands.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct CreateMessage;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CreateMessage` is never constructed
[INFO] [stdout]   --> src/commands.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct CreateMessage;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "18d2cc2799f71e08ef207abedd1b6a830a3864d42b8b49cd2d4bed11fb68e5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d2cc2799f71e08ef207abedd1b6a830a3864d42b8b49cd2d4bed11fb68e5fe", kill_on_drop: false }`
[INFO] [stdout] 18d2cc2799f71e08ef207abedd1b6a830a3864d42b8b49cd2d4bed11fb68e5fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0b4d4ad521b65047713fd4d99b5f195e872230103bd6d8f2095b63776cbf7da
[INFO] running `Command { std: "docker" "start" "-a" "c0b4d4ad521b65047713fd4d99b5f195e872230103bd6d8f2095b63776cbf7da", kill_on_drop: false }`
[INFO] [stderr] warning: struct `CreateMessage` is never constructed
[INFO] [stdout] 
[INFO] [stderr]   --> src/commands.rs:90:12
[INFO] [stdout] running 10 tests
[INFO] [stderr]    |
[INFO] [stdout] [2m2026-05-15T05:15:51.401330Z[0m [32m INFO[0m [2msovran_mcp::tests::client_tests::tests[0m[2m:[0m Starting subscription test
[INFO] [stderr] 90 | pub struct CreateMessage;
[INFO] [stdout] [2m2026-05-15T05:15:51.401371Z[0m [34mDEBUG[0m [2msovran_mcp::transport::stdio[0m[2m:[0m Creating StdioTransport for npx with args: ["-y", "@modelcontextprotocol/server-everything"]
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stdout] [2m2026-05-15T05:15:51.401392Z[0m [34mDEBUG[0m [2msovran_mcp::transport::stdio[0m[2m:[0m StdioTransport: Opening transport
[INFO] [stderr]    |
[INFO] [stdout] [2m2026-05-15T05:15:51.402268Z[0m [34mDEBUG[0m [2msovran_mcp::transport::stdio[0m[2m:[0m Creating StdioTransport for npx with args: ["-y", "@modelcontextprotocol/server-everything"]
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] [2m2026-05-15T05:15:51.402422Z[0m [34mDEBUG[0m [2msovran_mcp::transport::stdio[0m[2m:[0m StdioTransport: Opening transport
[INFO] [stderr] 
[INFO] [stdout] [2m2026-05-15T05:15:51.404158Z[0m [34mDEBUG[0m [2msovran_mcp::transport::stdio[0m[2m:[0m Creating StdioTransport for npx with args: ["-y", "@modelcontextprotocol/server-everything"]
[INFO] [stderr] warning: `sovran-mcp` (lib) generated 1 warning
[INFO] [stdout] [2m2026-05-15T05:15:51.404192Z[0m [34mDEBUG[0m [2msovran_mcp::transport::stdio[0m[2m:[0m Creating StdioTransport for npx with args: ["-y", "@modelcontextprotocol/server-everything"]
[INFO] [stderr] warning: `sovran-mcp` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] [2m2026-05-15T05:15:51.404225Z[0m [34mDEBUG[0m [2msovran_mcp::transport::stdio[0m[2m:[0m StdioTransport: Opening transport
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] [2m2026-05-15T05:15:51.404233Z[0m [34mDEBUG[0m [2msovran_mcp::transport::stdio[0m[2m:[0m StdioTransport: Opening transport
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sovran_mcp-0151f8566c14f4d2)
[INFO] [stdout] test tests::client_tests::tests::test_prompt_operations ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::client_tests::tests::test_fetch_compatibility ... FAILED
[INFO] [stdout] test tests::client_tests::tests::test_error_handling ... FAILED
[INFO] [stdout] test tests::client_tests::tests::test_resource_operations ... FAILED
[INFO] [stdout] test tests::client_tests::tests::test_resource_subscription ... FAILED
[INFO] [stdout] test tests::client_tests::tests::test_tools_operations ... FAILED
[INFO] [stdout] test tests::client_tests::tests::test_quick_resource_operations ... FAILED
[INFO] [stdout] test tests::client_tests::tests::test_quick_prompt_operations ... FAILED
[INFO] [stdout] test tests::client_tests::tests::test_initialization ... FAILED
[INFO] [stdout] test tests::client_tests::tests::test_capability_checks ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_prompt_operations stdout ----
[INFO] [stdout] Starting prompt test
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_fetch_compatibility stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_error_handling stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_resource_operations stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_resource_subscription stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_tools_operations stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_quick_resource_operations stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_quick_prompt_operations stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_initialization stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] ---- tests::client_tests::tests::test_capability_checks stdout ----
[INFO] [stdout] Error: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::client_tests::tests::test_capability_checks
[INFO] [stdout]     tests::client_tests::tests::test_error_handling
[INFO] [stdout]     tests::client_tests::tests::test_fetch_compatibility
[INFO] [stdout]     tests::client_tests::tests::test_initialization
[INFO] [stdout]     tests::client_tests::tests::test_prompt_operations
[INFO] [stdout]     tests::client_tests::tests::test_quick_prompt_operations
[INFO] [stdout]     tests::client_tests::tests::test_quick_resource_operations
[INFO] [stdout]     tests::client_tests::tests::test_resource_operations
[INFO] [stdout]     tests::client_tests::tests::test_resource_subscription
[INFO] [stdout]     tests::client_tests::tests::test_tools_operations
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 10 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0b4d4ad521b65047713fd4d99b5f195e872230103bd6d8f2095b63776cbf7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b4d4ad521b65047713fd4d99b5f195e872230103bd6d8f2095b63776cbf7da", kill_on_drop: false }`
[INFO] [stdout] c0b4d4ad521b65047713fd4d99b5f195e872230103bd6d8f2095b63776cbf7da
