[INFO] fetching crate rust-mcp-server-syncable-cli 0.1.9...
[INFO] testing rust-mcp-server-syncable-cli-0.1.9 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rust-mcp-server-syncable-cli 0.1.9 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rust-mcp-server-syncable-cli 0.1.9
[INFO] finished tweaking crates.io crate rust-mcp-server-syncable-cli 0.1.9
[INFO] tweaked toml for crates.io crate rust-mcp-server-syncable-cli 0.1.9 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-mcp-server-syncable-cli 0.1.9 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-mcp-server-syncable-cli 0.1.9 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00b2906c6cfeb1d039f6f7b7d6e365ce966d9b71a23e76bf6a52ef4773d79157
[INFO] running `Command { std: "docker" "start" "-a" "00b2906c6cfeb1d039f6f7b7d6e365ce966d9b71a23e76bf6a52ef4773d79157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00b2906c6cfeb1d039f6f7b7d6e365ce966d9b71a23e76bf6a52ef4773d79157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b2906c6cfeb1d039f6f7b7d6e365ce966d9b71a23e76bf6a52ef4773d79157", kill_on_drop: false }`
[INFO] [stdout] 00b2906c6cfeb1d039f6f7b7d6e365ce966d9b71a23e76bf6a52ef4773d79157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 189f6fd19091d629cc10ea60375d30abc72fd0c5f222e49c475278eb57911d37
[INFO] running `Command { std: "docker" "start" "-a" "189f6fd19091d629cc10ea60375d30abc72fd0c5f222e49c475278eb57911d37", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling gix-trace v0.1.13
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling zlib-rs v0.5.1
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling cc v1.2.31
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling prodash v29.0.2
[INFO] [stderr]    Compiling sha1-checked v0.10.0
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling memmap2 v0.9.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling gix-utils v0.3.0
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling aws-lc-rs v1.13.3
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling aws-lc-sys v0.30.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling gix-sec v0.11.0
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling libz-rs-sys v0.5.1
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=bcebb22733c1a4b9 -C extra-filename=-f9cb331781faf872 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "189f6fd19091d629cc10ea60375d30abc72fd0c5f222e49c475278eb57911d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189f6fd19091d629cc10ea60375d30abc72fd0c5f222e49c475278eb57911d37", kill_on_drop: false }`
[INFO] [stdout] 189f6fd19091d629cc10ea60375d30abc72fd0c5f222e49c475278eb57911d37