[INFO] fetching crate mcp-error-rs 0.1.0...
[INFO] testing mcp-error-rs-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mcp-error-rs 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mcp-error-rs 0.1.0
[INFO] finished tweaking crates.io crate mcp-error-rs 0.1.0
[INFO] tweaked toml for crates.io crate mcp-error-rs 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-error-rs 0.1.0 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 mcp-error-rs 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ae117b10a53e51634d724b2f4eef1709142427711c108096cb09e91eaf728134
[INFO] running `Command { std: "docker" "start" "-a" "ae117b10a53e51634d724b2f4eef1709142427711c108096cb09e91eaf728134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae117b10a53e51634d724b2f4eef1709142427711c108096cb09e91eaf728134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae117b10a53e51634d724b2f4eef1709142427711c108096cb09e91eaf728134", kill_on_drop: false }`
[INFO] [stdout] ae117b10a53e51634d724b2f4eef1709142427711c108096cb09e91eaf728134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b58568268d7f24fdb29c9388f77a25ec39d81e91a0d37d008e9520056b25880e
[INFO] running `Command { std: "docker" "start" "-a" "b58568268d7f24fdb29c9388f77a25ec39d81e91a0d37d008e9520056b25880e", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling trim-in-place v0.1.7
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling rust-ini v0.21.1
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling yaml-rust2 v0.10.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling h2 v0.4.10
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling config v0.15.11
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper-util v0.1.14
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.20
[INFO] [stderr]    Compiling service_utils_rs v0.3.20
[INFO] [stderr]    Compiling mcp-error-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.71s
[INFO] running `Command { std: "docker" "inspect" "b58568268d7f24fdb29c9388f77a25ec39d81e91a0d37d008e9520056b25880e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58568268d7f24fdb29c9388f77a25ec39d81e91a0d37d008e9520056b25880e", kill_on_drop: false }`
[INFO] [stdout] b58568268d7f24fdb29c9388f77a25ec39d81e91a0d37d008e9520056b25880e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d22f68a5507582c9e6bdc7cb789d4e215b9e7429739531b9344ff46b2197e7f9
[INFO] running `Command { std: "docker" "start" "-a" "d22f68a5507582c9e6bdc7cb789d4e215b9e7429739531b9344ff46b2197e7f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp-error-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "d22f68a5507582c9e6bdc7cb789d4e215b9e7429739531b9344ff46b2197e7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22f68a5507582c9e6bdc7cb789d4e215b9e7429739531b9344ff46b2197e7f9", kill_on_drop: false }`
[INFO] [stdout] d22f68a5507582c9e6bdc7cb789d4e215b9e7429739531b9344ff46b2197e7f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e7666456bdcab4991ffd56e7af2dacefd8b8dc3bf4cd5b454f848b5018f3c5a0
[INFO] running `Command { std: "docker" "start" "-a" "e7666456bdcab4991ffd56e7af2dacefd8b8dc3bf4cd5b454f848b5018f3c5a0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_error_rs-c380e76db6942ac9)
[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 mcp_error_rs
[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" "e7666456bdcab4991ffd56e7af2dacefd8b8dc3bf4cd5b454f848b5018f3c5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7666456bdcab4991ffd56e7af2dacefd8b8dc3bf4cd5b454f848b5018f3c5a0", kill_on_drop: false }`
[INFO] [stdout] e7666456bdcab4991ffd56e7af2dacefd8b8dc3bf4cd5b454f848b5018f3c5a0
