[INFO] fetching crate mcps-client 0.1.0...
[INFO] testing mcps-client-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mcps-client 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mcps-client 0.1.0
[INFO] finished tweaking crates.io crate mcps-client 0.1.0
[INFO] tweaked toml for crates.io crate mcps-client 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcps-client 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcps-client 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mcps-core v0.1.0
[INFO] [stderr]   Downloaded tokio-rustls v0.25.0
[INFO] [stderr]   Downloaded mcps-transport v0.1.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.29
[INFO] [stderr]   Downloaded rustls v0.22.4
[INFO] [stderr]   Downloaded libc v0.2.173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e68282f3db570a08c7864fec189e73b30b75efa9a9ae01f5f01fba3299cb56d
[INFO] running `Command { std: "docker" "start" "-a" "5e68282f3db570a08c7864fec189e73b30b75efa9a9ae01f5f01fba3299cb56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e68282f3db570a08c7864fec189e73b30b75efa9a9ae01f5f01fba3299cb56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e68282f3db570a08c7864fec189e73b30b75efa9a9ae01f5f01fba3299cb56d", kill_on_drop: false }`
[INFO] [stdout] 5e68282f3db570a08c7864fec189e73b30b75efa9a9ae01f5f01fba3299cb56d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b92c8d19ef79c47a8d3cbf077c5af73b1b5f3c5026d71a83f5474ecee73d84
[INFO] running `Command { std: "docker" "start" "-a" "a9b92c8d19ef79c47a8d3cbf077c5af73b1b5f3c5026d71a83f5474ecee73d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling tokio-rustls v0.25.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling mcps-core v0.1.0
[INFO] [stderr]    Compiling mcps-transport v0.1.0
[INFO] [stderr]    Compiling mcps-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.52s
[INFO] running `Command { std: "docker" "inspect" "a9b92c8d19ef79c47a8d3cbf077c5af73b1b5f3c5026d71a83f5474ecee73d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b92c8d19ef79c47a8d3cbf077c5af73b1b5f3c5026d71a83f5474ecee73d84", kill_on_drop: false }`
[INFO] [stdout] a9b92c8d19ef79c47a8d3cbf077c5af73b1b5f3c5026d71a83f5474ecee73d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b188412be5db34a8355bc7c9667bbedf7cbab0ca0dc8dbf6cbc6366e5a45b8d
[INFO] running `Command { std: "docker" "start" "-a" "0b188412be5db34a8355bc7c9667bbedf7cbab0ca0dc8dbf6cbc6366e5a45b8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcps-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "0b188412be5db34a8355bc7c9667bbedf7cbab0ca0dc8dbf6cbc6366e5a45b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b188412be5db34a8355bc7c9667bbedf7cbab0ca0dc8dbf6cbc6366e5a45b8d", kill_on_drop: false }`
[INFO] [stdout] 0b188412be5db34a8355bc7c9667bbedf7cbab0ca0dc8dbf6cbc6366e5a45b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 865067627cf47cad630e2e8346a72d96a2ac014e9b38bc4c0c11cdefcf8ba8f7
[INFO] running `Command { std: "docker" "start" "-a" "865067627cf47cad630e2e8346a72d96a2ac014e9b38bc4c0c11cdefcf8ba8f7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcps_client-c6f673d1b2f2a5ef)
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/mcps_client-a49ee989b710da0c)
[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 mcps_client
[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" "865067627cf47cad630e2e8346a72d96a2ac014e9b38bc4c0c11cdefcf8ba8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865067627cf47cad630e2e8346a72d96a2ac014e9b38bc4c0c11cdefcf8ba8f7", kill_on_drop: false }`
[INFO] [stdout] 865067627cf47cad630e2e8346a72d96a2ac014e9b38bc4c0c11cdefcf8ba8f7