[INFO] fetching crate lspmux 0.3.0...
[INFO] testing lspmux-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate lspmux 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lspmux 0.3.0
[INFO] finished tweaking crates.io crate lspmux 0.3.0
[INFO] tweaked toml for crates.io crate lspmux 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lspmux 0.3.0 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 lspmux 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c673d1721f28b3aa43d6fd773a554a72dbd302f297aebb657e262e242beb096f
[INFO] running `Command { std: "docker" "start" "-a" "c673d1721f28b3aa43d6fd773a554a72dbd302f297aebb657e262e242beb096f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c673d1721f28b3aa43d6fd773a554a72dbd302f297aebb657e262e242beb096f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c673d1721f28b3aa43d6fd773a554a72dbd302f297aebb657e262e242beb096f", kill_on_drop: false }`
[INFO] [stdout] c673d1721f28b3aa43d6fd773a554a72dbd302f297aebb657e262e242beb096f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 79498035bccddee3bd704155a9544e34db948b066a033136a998802264652c61
[INFO] running `Command { std: "docker" "start" "-a" "79498035bccddee3bd704155a9544e34db948b066a033136a998802264652c61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling uriparse v0.6.4
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling clap v4.5.45
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling lspmux v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StopResponse` is never constructed
[INFO] [stdout]    --> src/lsp/ext.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct StopResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Params` is never used
[INFO] [stdout]   --> src/lsp/jsonrpc.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub enum Params {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.26s
[INFO] running `Command { std: "docker" "inspect" "79498035bccddee3bd704155a9544e34db948b066a033136a998802264652c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79498035bccddee3bd704155a9544e34db948b066a033136a998802264652c61", kill_on_drop: false }`
[INFO] [stdout] 79498035bccddee3bd704155a9544e34db948b066a033136a998802264652c61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 405f244384ce8ab3ed8ced4e472746303ae5e5a0093a8de6c2a0f9e8b42b6ef5
[INFO] running `Command { std: "docker" "start" "-a" "405f244384ce8ab3ed8ced4e472746303ae5e5a0093a8de6c2a0f9e8b42b6ef5", kill_on_drop: false }`
[INFO] [stdout] warning: struct `StopResponse` is never constructed
[INFO] [stdout]    --> src/lsp/ext.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct StopResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Params` is never used
[INFO] [stdout]   --> src/lsp/jsonrpc.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub enum Params {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lspmux v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StopResponse` is never constructed
[INFO] [stdout]    --> src/lsp/ext.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct StopResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Params` is never used
[INFO] [stdout]   --> src/lsp/jsonrpc.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub enum Params {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "405f244384ce8ab3ed8ced4e472746303ae5e5a0093a8de6c2a0f9e8b42b6ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405f244384ce8ab3ed8ced4e472746303ae5e5a0093a8de6c2a0f9e8b42b6ef5", kill_on_drop: false }`
[INFO] [stdout] 405f244384ce8ab3ed8ced4e472746303ae5e5a0093a8de6c2a0f9e8b42b6ef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] de9bd740f63f7d1c778e3b8707b6129a2b9addb73c6096476f51cc162c411060
[INFO] running `Command { std: "docker" "start" "-a" "de9bd740f63f7d1c778e3b8707b6129a2b9addb73c6096476f51cc162c411060", kill_on_drop: false }`
[INFO] [stderr] warning: struct `StopResponse` is never constructed
[INFO] [stderr]    --> src/lsp/ext.rs:184:12
[INFO] [stderr]     |
[INFO] [stderr] 184 | pub struct StopResponse {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Params` is never used
[INFO] [stderr]   --> src/lsp/jsonrpc.rs:78:10
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub enum Params {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lspmux` (lib) generated 2 warnings
[INFO] [stderr] warning: `lspmux` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lspmux-d289e5dffbbf05a8)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test lsp::ext::tests::lsp_mux_only ... ok
[INFO] [stdout] test lsp::ext::tests::lsp_mux_and_other_stuff ... ok
[INFO] [stdout] test lsp::jsonrpc::tests::call_with_named_parameters ... ok
[INFO] [stdout] test lsp::jsonrpc::tests::notification ... ok
[INFO] [stdout] test lsp::jsonrpc::tests::call_with_positional_parameters ... ok
[INFO] [stdout] test lsp::jsonrpc::tests::error ... ok
[INFO] [stdout] test config::generate_default_and_check_it_matches_commited_defaults ... ok
[INFO] [stdout] test lsp::jsonrpc::tests::response ... ok
[INFO] [stdout] test client::parsing_root_uris ... ok
[INFO] [stdout] test lsp::ext::tests::missing_version - should panic ... ok
[INFO] [stdout] test lsp::ext::tests::missing_method - should panic ... ok
[INFO] [stdout] test lsp::ext::tests::missing_server - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lspmux-9e81b4ad4d731299)
[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]    Doc-tests lspmux
[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" "de9bd740f63f7d1c778e3b8707b6129a2b9addb73c6096476f51cc162c411060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9bd740f63f7d1c778e3b8707b6129a2b9addb73c6096476f51cc162c411060", kill_on_drop: false }`
[INFO] [stdout] de9bd740f63f7d1c778e3b8707b6129a2b9addb73c6096476f51cc162c411060