[INFO] fetching crate re_viewer_mcp 0.38.1...
[INFO] testing re_viewer_mcp-0.38.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate re_viewer_mcp 0.38.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate re_viewer_mcp 0.38.1
[INFO] finished tweaking crates.io crate re_viewer_mcp 0.38.1
[INFO] tweaked toml for crates.io crate re_viewer_mcp 0.38.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate re_viewer_mcp 0.38.1 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 crates.io crate re_viewer_mcp 0.38.1 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-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d
[INFO] running `Command { std: "docker" "start" "2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d", 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" "2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d" "/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" "2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d", 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" "2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling zerocopy v0.8.55
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling futures-core v0.3.33
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling bytemuck_derive v1.11.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.55
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling futures-channel v0.3.33
[INFO] [stderr]    Compiling futures-macro v0.3.33
[INFO] [stderr]    Compiling crossbeam-deque v0.8.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling re_byte_size_derive v0.38.1
[INFO] [stderr]    Compiling itertools v0.15.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling polycool v0.4.0
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling bytemuck v1.25.2
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling futures-util v0.3.33
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling quiver_derive v0.6.1
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling bitflags v2.13.1
[INFO] [stderr]    Compiling arrow-schema v58.3.0
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling color v0.3.3
[INFO] [stderr]    Compiling http-body-util v0.1.4
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling euclid v0.22.14
[INFO] [stderr]    Compiling linebender_resource_handle v0.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling prost-derive v0.14.4
[INFO] [stderr]    Compiling regex-automata v0.4.16
[INFO] [stderr] error: could not compile `regex-syntax` (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 regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.11/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 opt-level=3 -C embed-bitcode=no --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=4b1daa90a9e26252 -C extra-filename=-6c65c9ab5a093592 --out-dir /opt/rustwide/target/release/build/regex-syntax/6c65c9ab5a093592/out -C strip=debuginfo --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio` (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 tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.53.1/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 opt-level=3 -C embed-bitcode=no --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-uring", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "schedule-latency", "signal", "signal-hook-registry", "socket2", "sync", "taskdump", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=f5ab91635a862e4e -C extra-filename=-ec63576c62b8b225 --out-dir /opt/rustwide/target/release/build/tokio/ec63576c62b8b225/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/errno/6727c48c188121ff/out -L dependency=/opt/rustwide/target/release/build/libc/a0996e9cad7bedd7/out --extern bytes=/opt/rustwide/target/release/build/bytes/654f8a7a557a4087/out/libbytes-654f8a7a557a4087.rmeta --extern libc=/opt/rustwide/target/release/build/libc/a0996e9cad7bedd7/out/liblibc-a0996e9cad7bedd7.rmeta --extern mio=/opt/rustwide/target/release/build/mio/7a82b99cc60b3b64/out/libmio-7a82b99cc60b3b64.rmeta --extern pin_project_lite=/opt/rustwide/target/release/build/pin-project-lite/9a89bb36c0c56875/out/libpin_project_lite-9a89bb36c0c56875.rmeta --extern signal_hook_registry=/opt/rustwide/target/release/build/signal-hook-registry/1101c3194325a44f/out/libsignal_hook_registry-1101c3194325a44f.rmeta --extern socket2=/opt/rustwide/target/release/build/socket2/150b3378961994f5/out/libsocket2-150b3378961994f5.rmeta --extern tokio_macros=/opt/rustwide/target/release/build/tokio-macros/0bd88554396af636/out/libtokio_macros-0bd88554396af636.so --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d", kill_on_drop: false }`
[INFO] [stdout] 2260f26d34e50fcfaddadf40b9d33e004ead5fbe1198adc186db2cc3550b5a1d
