[INFO] fetching crate mcp-server 0.1.0... [INFO] testing mcp-server-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mcp-server 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate mcp-server 0.1.0 [INFO] finished tweaking crates.io crate mcp-server 0.1.0 [INFO] tweaked toml for crates.io crate mcp-server 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp-server 0.1.0 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 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f6926a6869118e57bc340a871daf8d5d8af95136523de334e49d22672a64a745 [INFO] running `Command { std: "docker" "start" "-a" "f6926a6869118e57bc340a871daf8d5d8af95136523de334e49d22672a64a745", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6926a6869118e57bc340a871daf8d5d8af95136523de334e49d22672a64a745", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6926a6869118e57bc340a871daf8d5d8af95136523de334e49d22672a64a745", kill_on_drop: false }` [INFO] [stdout] f6926a6869118e57bc340a871daf8d5d8af95136523de334e49d22672a64a745 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 12f0cd2e981b631a913c0b729981af6e49f8b96c5e677a123c53f86ebfe52c98 [INFO] running `Command { std: "docker" "start" "-a" "12f0cd2e981b631a913c0b729981af6e49f8b96c5e677a123c53f86ebfe52c98", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling serde v1.0.218 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling serde_json v1.0.139 [INFO] [stderr] Compiling ryu v1.0.19 [INFO] [stderr] Compiling once_cell v1.20.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling log v0.4.26 [INFO] [stderr] Compiling dyn-clone v1.0.18 [INFO] [stderr] Compiling anyhow v1.0.96 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling iana-time-zone v0.1.61 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling deranged v0.3.11 [INFO] [stderr] Compiling bytes v1.10.0 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling thread_local v1.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling convert_case v0.6.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.14 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling time v0.3.37 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling mio v1.0.3 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling socket2 v0.5.8 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling matchers v0.1.0 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [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 v1.0.218 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling async-trait v0.1.86 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling pin-project-internal v1.1.9 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling tokio v1.43.0 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling pin-project v1.1.9 [INFO] [stderr] Compiling yoke v0.7.5 [INFO] [stderr] Compiling zerovec v0.10.4 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling thiserror v1.0.69 [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 tracing-appender v0.2.3 [INFO] [stderr] Compiling icu_properties v1.5.1 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling chrono v0.4.40 [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling idna_adapter v1.2.0 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling tower v0.4.13 [INFO] [stderr] Compiling mcp-spec v0.1.0 [INFO] [stderr] Compiling mcp-macros v0.1.0 [INFO] [stderr] Compiling mcp-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.93s [INFO] running `Command { std: "docker" "inspect" "12f0cd2e981b631a913c0b729981af6e49f8b96c5e677a123c53f86ebfe52c98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f0cd2e981b631a913c0b729981af6e49f8b96c5e677a123c53f86ebfe52c98", kill_on_drop: false }` [INFO] [stdout] 12f0cd2e981b631a913c0b729981af6e49f8b96c5e677a123c53f86ebfe52c98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 40d4916303749c103ce6b8537508b1d6f8043175bb39022d6c38863b26a0c784 [INFO] running `Command { std: "docker" "start" "-a" "40d4916303749c103ce6b8537508b1d6f8043175bb39022d6c38863b26a0c784", kill_on_drop: false }` [INFO] [stderr] Compiling mcp-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "40d4916303749c103ce6b8537508b1d6f8043175bb39022d6c38863b26a0c784", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40d4916303749c103ce6b8537508b1d6f8043175bb39022d6c38863b26a0c784", kill_on_drop: false }` [INFO] [stdout] 40d4916303749c103ce6b8537508b1d6f8043175bb39022d6c38863b26a0c784 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 38dadd0e549a6bc567f0bcf91005e3879c61eb198976aa2bcefb1fe8588ee2fa [INFO] running `Command { std: "docker" "start" "-a" "38dadd0e549a6bc567f0bcf91005e3879c61eb198976aa2bcefb1fe8588ee2fa", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_server-41ff1d8ace1ec66c) [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/mcp_server-8dfa1b539069e00d) [INFO] [stdout] [INFO] [stderr] Doc-tests mcp_server [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] [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" "38dadd0e549a6bc567f0bcf91005e3879c61eb198976aa2bcefb1fe8588ee2fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38dadd0e549a6bc567f0bcf91005e3879c61eb198976aa2bcefb1fe8588ee2fa", kill_on_drop: false }` [INFO] [stdout] 38dadd0e549a6bc567f0bcf91005e3879c61eb198976aa2bcefb1fe8588ee2fa