[INFO] fetching crate mcp-types 0.1.1... [INFO] checking mcp-types-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate mcp-types 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate mcp-types 0.1.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mcp-types 0.1.1 [INFO] tweaked toml for crates.io crate mcp-types 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp-types 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 167 packages to latest compatible versions [INFO] [stderr] Adding jsonschema v0.29.1 (available: v0.33.0) [INFO] [stderr] Adding schemars v0.8.22 (available: v1.0.4) [INFO] [stderr] Adding typify v0.3.0 (available: v0.4.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3b8b2a27aae4a1906fb2c8f139d140741b958d91bd7fa4d97fd8d463d786936 [INFO] running `Command { std: "docker" "start" "-a" "e3b8b2a27aae4a1906fb2c8f139d140741b958d91bd7fa4d97fd8d463d786936", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3b8b2a27aae4a1906fb2c8f139d140741b958d91bd7fa4d97fd8d463d786936", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3b8b2a27aae4a1906fb2c8f139d140741b958d91bd7fa4d97fd8d463d786936", kill_on_drop: false }` [INFO] [stdout] e3b8b2a27aae4a1906fb2c8f139d140741b958d91bd7fa4d97fd8d463d786936 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec51c6348d28d5360b0db993e6ae0f537a72000cdf8e81aef4971242e1f2abb7 [INFO] running `Command { std: "docker" "start" "-a" "ec51c6348d28d5360b0db993e6ae0f537a72000cdf8e81aef4971242e1f2abb7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking litemap v0.8.0 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Checking writeable v0.6.1 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Compiling thiserror v2.0.16 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling allocator-api2 v0.2.21 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling foldhash v0.1.5 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Compiling equivalent v1.0.2 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Compiling dyn-clone v1.0.20 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Compiling hashbrown v0.15.5 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling httparse v1.10.1 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling ref-cast v1.0.24 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking http v1.3.1 [INFO] [stderr] Compiling prettyplease v0.2.37 [INFO] [stderr] Checking tower-service v0.3.3 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Checking sync_wrapper v1.0.2 [INFO] [stderr] Checking tower-layer v0.3.3 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling regress v0.10.4 [INFO] [stderr] Checking iri-string v0.7.8 [INFO] [stderr] Checking borrow-or-share v0.2.2 [INFO] [stderr] Checking bit-vec v0.8.0 [INFO] [stderr] Checking bitflags v2.9.3 [INFO] [stderr] Checking ipnet v2.11.0 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Checking http-body-util v0.1.3 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Checking bit-set v0.8.0 [INFO] [stderr] Checking outref v0.5.2 [INFO] [stderr] Checking vsimd v0.8.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking uuid v1.18.0 [INFO] [stderr] Checking bytecount v0.6.9 [INFO] [stderr] Checking num-cmp v0.1.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking uuid-simd v0.8.0 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking fraction v0.15.3 [INFO] [stderr] Checking hyper v1.7.0 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking hyper-util v0.1.16 [INFO] [stderr] Checking fancy-regex v0.14.0 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling thiserror-impl v2.0.16 [INFO] [stderr] Compiling ref-cast-impl v1.0.24 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerovec v0.11.4 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.2 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking fluent-uri v0.3.2 [INFO] [stderr] Checking email_address v0.2.9 [INFO] [stderr] Compiling serde_tokenstream v0.2.2 [INFO] [stderr] Checking referencing v0.29.1 [INFO] [stderr] Checking reqwest v0.12.23 [INFO] [stderr] Checking jsonschema v0.29.1 [INFO] [stderr] Compiling typify-impl v0.3.0 [INFO] [stderr] Compiling typify-macro v0.3.0 [INFO] [stderr] Compiling typify v0.3.0 [INFO] [stderr] Compiling mcp-types v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `mcp-types v0.1.1 (/opt/rustwide/workdir)` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mcp-types-18cb2563468b1e42/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (2095) panicked at build.rs:27:35: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x59591b8e7be2 - std::backtrace_rs::backtrace::libunwind::trace::h105f921882c12e03 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x59591b8e7be2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8b40918ba88bae2 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x59591b8e7be2 - std::sys::backtrace::_print_fmt::h61144b3593b669a6 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x59591b8e7be2 - ::fmt::ha7f14f4d725d0e1f [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x59591b906e0f - core::fmt::rt::Argument::fmt::h291cffbfb6f5f437 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x59591b906e0f - core::fmt::write::h613c8eb2432c6a8e [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x59591b8d9583 - std::io::default_write_fmt::h1b19b0ce9c092acc [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x59591b8d9583 - std::io::Write::write_fmt::ha60efb35d66e9b8c [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x59591b8e7ef2 - std::sys::backtrace::BacktraceLock::print::hb1963680433203b9 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x59591b8d69ec - std::panicking::default_hook::{{closure}}::h12644fad1f9f9c3f [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x59591b8d6826 - std::panicking::default_hook::h92d7423bfb093343 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x59591b8d6341 - std::panicking::panic_with_hook::hfd863520fce8e281 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x59591b8e7faa - std::panicking::panic_handler::{{closure}}::h75bad88e9628e7c4 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x59591b8e7f09 - std::sys::backtrace::__rust_end_short_backtrace::hba2ee9743eb3598b [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x59591b8d627d - __rustc[d20f6e1e05d5ea87]::rust_begin_unwind [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x59591b90d280 - core::panicking::panic_fmt::h291b19446b355b1a [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x59591b90ec66 - core::result::unwrap_failed::he6619352ef31eefc [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/result.rs:1852:5 [INFO] [stderr] 17: 0x59591b371686 - build_script_build::generate::h32586ae2e6383a83 [INFO] [stderr] 18: 0x59591b3717c2 - build_script_build::main::h5d523ce22713f3db [INFO] [stderr] 19: 0x59591b36a873 - core::ops::function::FnOnce::call_once::hc6a264ed3bf86474 [INFO] [stderr] 20: 0x59591b36b506 - std::sys::backtrace::__rust_begin_short_backtrace::h53834dce3ffd2915 [INFO] [stderr] 21: 0x59591b369b49 - std::rt::lang_start::{{closure}}::hb12e41b604019d60 [INFO] [stderr] 22: 0x59591b8e8750 - core::ops::function::impls:: for &F>::call_once::hd30f70589ce52217 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 23: 0x59591b8e8750 - std::panicking::catch_unwind::do_call::h229a800b64964a72 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:590:40 [INFO] [stderr] 24: 0x59591b8e8750 - std::panicking::catch_unwind::hf5b1c782bbaa8c87 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:553:19 [INFO] [stderr] 25: 0x59591b8e8750 - std::panic::catch_unwind::h44fb21a21f79e7af [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panic.rs:359:14 [INFO] [stderr] 26: 0x59591b8e8750 - std::rt::lang_start_internal::{{closure}}::h3d19e32b9588f707 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/rt.rs:175:24 [INFO] [stderr] 27: 0x59591b8e8750 - std::panicking::catch_unwind::do_call::hf0c858106eb39fbd [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:590:40 [INFO] [stderr] 28: 0x59591b8e8750 - std::panicking::catch_unwind::h92692cc8e925ec21 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panicking.rs:553:19 [INFO] [stderr] 29: 0x59591b8e8750 - std::panic::catch_unwind::h4f023f48f37702a5 [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/panic.rs:359:14 [INFO] [stderr] 30: 0x59591b8e8750 - std::rt::lang_start_internal::h80fdaffb9834036d [INFO] [stderr] at /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/std/src/rt.rs:171:5 [INFO] [stderr] 31: 0x59591b369b31 - std::rt::lang_start::h5d309ff7c3a8469f [INFO] [stderr] 32: 0x59591b375905 - main [INFO] [stderr] 33: 0x703d8b8151ca - [INFO] [stderr] 34: 0x703d8b81528b - __libc_start_main [INFO] [stderr] 35: 0x59591b369765 - _start [INFO] [stderr] 36: 0x0 - [INFO] running `Command { std: "docker" "inspect" "ec51c6348d28d5360b0db993e6ae0f537a72000cdf8e81aef4971242e1f2abb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec51c6348d28d5360b0db993e6ae0f537a72000cdf8e81aef4971242e1f2abb7", kill_on_drop: false }` [INFO] [stdout] ec51c6348d28d5360b0db993e6ae0f537a72000cdf8e81aef4971242e1f2abb7