[INFO] cloning repository https://github.com/cyclescene/rust-tutor-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyclescene/rust-tutor-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclescene%2Frust-tutor-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclescene%2Frust-tutor-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db9a1950381ccaa073a74956dd56223c3540feb1
[INFO] documenting cyclescene/rust-tutor-mcp against 1.100.0-beta.1 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyclescene%2Frust-tutor-mcp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cyclescene/rust-tutor-mcp
[INFO] finished tweaking git repo https://github.com/cyclescene/rust-tutor-mcp
[INFO] tweaked toml for git repo https://github.com/cyclescene/rust-tutor-mcp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cyclescene/rust-tutor-mcp on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cyclescene/rust-tutor-mcp 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e
[INFO] running `Command { std: "docker" "start" "491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling aws-lc-rs v1.16.0
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking dtoa v1.0.11
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]     Checking regex-syntax v0.8.9
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking rustix v1.1.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking inotify v0.11.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking servo_arc v0.4.3
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]     Checking notify-types v2.1.0
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling rmcp v0.16.0
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.6.1
[INFO] [stderr]     Checking string_cache v0.9.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking notify v8.2.0
[INFO] [stderr]    Compiling selectors v0.33.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]     Checking ego-tree v0.10.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking uuid v1.21.0
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling web_atoms v0.2.3
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking tempfile v3.25.0
[INFO] [stderr]     Checking notify-debouncer-mini v0.6.0
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling aws-lc-sys v0.37.1
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]     Checking phf v0.13.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr] warning: libsqlite3-sys@0.30.1: cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr] warning: libsqlite3-sys@0.30.1: compilation terminated.
[INFO] [stderr] error: failed to run custom build command for `libsqlite3-sys v0.30.1`
[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/libsqlite3-sys/5fbc149b9fc0b030/out/build_script_build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBSQLITE3_SYS_USE_PKG_CONFIG
[INFO] [stderr]   cargo:include=/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libsqlite3-sys-0.30.1/sqlite3
[INFO] [stderr]   cargo:rerun-if-changed=sqlite3/sqlite3.c
[INFO] [stderr]   cargo:rerun-if-changed=sqlite3/wasm32-wasi-vfs.c
[INFO] [stderr]   cargo:rerun-if-env-changed=SQLITE_MAX_VARIABLE_NUMBER
[INFO] [stderr]   cargo:rerun-if-env-changed=SQLITE_MAX_EXPR_DEPTH
[INFO] [stderr]   cargo:rerun-if-env-changed=SQLITE_MAX_COLUMN
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBSQLITE3_FLAGS
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/libsqlite3-sys/8989f4c7fd9ae559/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=warn)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CC
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC
[INFO] [stderr]   CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   RUSTC_WRAPPER = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some(true)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2)
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CFLAGS
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:warning=cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-w" "-DSQLITE_CORE" "-DSQLITE_DEFAULT_FOREIGN_KEYS=1" "-DSQLITE_ENABLE_API_ARMOR" "-DSQLITE_ENABLE_COLUMN_METADATA" "-DSQLITE_ENABLE_DBSTAT_VTAB" "-DSQLITE_ENABLE_FTS3" "-DSQLITE_ENABLE_FTS3_PARENTHESIS" "-DSQLITE_ENABLE_FTS5" "-DSQLITE_ENABLE_JSON1" "-DSQLITE_ENABLE_LOAD_EXTENSION=1" "-DSQLITE_ENABLE_MEMORY_MANAGEMENT" "-DSQLITE_ENABLE_RTREE" "-DSQLITE_ENABLE_STAT4" "-DSQLITE_SOUNDEX" "-DSQLITE_THREADSAFE=1" "-DSQLITE_USE_URI" "-DHAVE_USLEEP=1" "-DHAVE_ISNAN" "-D_POSIX_THREAD_SAFE_FUNCTIONS" "-DHAVE_LOCALTIME_R" "-o" "/opt/rustwide/target/debug/build/libsqlite3-sys/8989f4c7fd9ae559/out/c877a2978823c39d-sqlite3.o" "-c" "sqlite3/sqlite3.c"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `darling_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name darling_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/darling_core-0.23.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("diagnostics", "serde", "strsim", "suggestions"))' -C metadata=8ff74986d504fb2c -C extra-filename=-e9b20657b4167e5c --out-dir /opt/rustwide/target/debug/build/darling_core/e9b20657b4167e5c/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/154be7f81f34ed1b/out -L dependency=/opt/rustwide/target/debug/build/quote/4d99313035f7b41d/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/86faa6b6bcc5b157/out --extern ident_case=/opt/rustwide/target/debug/build/ident_case/5ff01a002fe2b7d3/out/libident_case-5ff01a002fe2b7d3.rmeta --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/154be7f81f34ed1b/out/libproc_macro2-154be7f81f34ed1b.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/4d99313035f7b41d/out/libquote-4d99313035f7b41d.rmeta --extern strsim=/opt/rustwide/target/debug/build/strsim/77a3e1b41cc5657c/out/libstrsim-77a3e1b41cc5657c.rmeta --extern syn=/opt/rustwide/target/debug/build/syn/729fdbca74629109/out/libsyn-729fdbca74629109.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e", kill_on_drop: false }`
[INFO] [stdout] 491ccd2291d9b8a93622436ace19e3c6bafaf81254bd8d63d4e9e877ed84c03e
