[INFO] fetching crate execkit-mcp 0.8.0...
[INFO] checking execkit-mcp-0.8.0 against try#4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7 for pr-158816
[INFO] extracting crate execkit-mcp 0.8.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate execkit-mcp 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate execkit-mcp 0.8.0
[INFO] tweaked toml for crates.io crate execkit-mcp 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate execkit-mcp 0.8.0 on toolchain 4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate execkit-mcp 0.8.0 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" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e
[INFO] running `Command { std: "docker" "start" "3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e", 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" "3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e" "/opt/rustwide/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e" "/opt/rustwide/cargo-home/bin/cargo" "+4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]     Checking cmov v0.5.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking const-oid v0.10.2
[INFO] [stderr]     Checking cpubits v0.1.1
[INFO] [stderr]     Checking pem-rfc7468 v1.0.0
[INFO] [stderr]     Checking log v0.4.32
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]     Checking base16ct v1.0.0
[INFO] [stderr]     Checking bitflags v2.12.1
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling curve25519-dalek v5.0.0-rc.0
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking socket2 v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking ff v0.14.0
[INFO] [stderr]     Checking mio v1.2.1
[INFO] [stderr]     Checking ctutils v0.4.2
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking group v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking der v0.8.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking keccak v0.2.0
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking fiat-crypto v0.3.0
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking hybrid-array v0.4.12
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling instability v0.3.12
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking spki v0.8.0
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking ring v0.17.14
[INFO] [stderr]     Checking pkcs1 v0.8.0-rc.4
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]     Checking crypto-common v0.2.2
[INFO] [stderr]     Checking block-buffer v0.12.0
[INFO] [stderr]     Checking block-padding v0.4.2
[INFO] [stderr]     Checking crypto-bigint v0.7.3
[INFO] [stderr]     Checking inout v0.2.2
[INFO] [stderr]     Checking digest v0.11.3
[INFO] [stderr]     Checking cipher v0.5.2
[INFO] [stderr]     Checking hmac v0.13.0
[INFO] [stderr]     Checking sha2 v0.11.0
[INFO] [stderr]     Checking pbkdf2 v0.13.0
[INFO] [stderr]     Checking signature v3.0.0
[INFO] [stderr]     Checking hkdf v0.13.0
[INFO] [stderr]     Checking aes v0.9.1
[INFO] [stderr]     Checking salsa20 v0.11.0
[INFO] [stderr]     Checking cbc v0.2.1
[INFO] [stderr]     Checking sec1 v0.8.1
[INFO] [stderr]     Checking universal-hash v0.6.1
[INFO] [stderr]     Checking rfc6979 v0.5.0
[INFO] [stderr]     Checking polyval v0.7.1
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking ctr v0.10.1
[INFO] [stderr]     Checking ghash v0.6.0
[INFO] [stderr]     Checking aead v0.6.0-rc.10
[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/4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.52.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --warn=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(loom)' --check-cfg 'cfg(mio_unsupported_force_poll_poll)' --check-cfg 'cfg(tokio_allow_from_blocking_fd)' --check-cfg 'cfg(tokio_internal_mt_counters)' --check-cfg 'cfg(tokio_no_parking_lot)' --check-cfg 'cfg(tokio_no_tuning_tests)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(target_os, values("cygwin"))' --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="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", "signal", "signal-hook-registry", "socket2", "sync", "taskdump", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=f19912f94169cf58 -C extra-filename=-1b390d92795bc63d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c3c82aecfaa31497.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-16836f44866b8b3d.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-909a84c78b193371.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-7176d3be2b7ee2e1.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-40c047aad9f25ab0.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-166ca974f8de1209.so --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4d8aa70caf2d2f6ef5a31eab47961bf7d0acacb7/bin/rustc --crate-name serde_derive --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=ae4205495854ffc4 -C extra-filename=-53d8af639c96e9bd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-aa2c5b8519914b46.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c107d8699e5d08dc.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e", kill_on_drop: false }`
[INFO] [stdout] 3580b1cf1472456a5b1f7dbb1eb0ffe30f1b2b63fa4f561521b424354280499e
