[INFO] fetching crate fcf 0.2.6...
[INFO] testing fcf-0.2.6 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate fcf 0.2.6 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fcf 0.2.6
[INFO] finished tweaking crates.io crate fcf 0.2.6
[INFO] tweaked toml for crates.io crate fcf 0.2.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fcf 0.2.6 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fcf 0.2.6 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded gix-date v0.9.0
[INFO] [stderr]   Downloaded annotate-snippets v0.11.4
[INFO] [stderr]   Downloaded pre-commit v0.5.2
[INFO] [stderr]   Downloaded jiff v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f616e7f1ad72900eaac2b68f777bd2baba8eaa9144a2a8c2d07ced1b8bf410d5
[INFO] running `Command { std: "docker" "start" "-a" "f616e7f1ad72900eaac2b68f777bd2baba8eaa9144a2a8c2d07ced1b8bf410d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f616e7f1ad72900eaac2b68f777bd2baba8eaa9144a2a8c2d07ced1b8bf410d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f616e7f1ad72900eaac2b68f777bd2baba8eaa9144a2a8c2d07ced1b8bf410d5", kill_on_drop: false }`
[INFO] [stdout] f616e7f1ad72900eaac2b68f777bd2baba8eaa9144a2a8c2d07ced1b8bf410d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e667804a20a7702c90e0e76df84cfd22e33bdb809eb5d9dde7c7d67b742b74b6
[INFO] running `Command { std: "docker" "start" "-a" "e667804a20a7702c90e0e76df84cfd22e33bdb809eb5d9dde7c7d67b742b74b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling clap_builder v4.5.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling clap v4.5.19
[INFO] [stderr]    Compiling fcf v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.67s
[INFO] running `Command { std: "docker" "inspect" "e667804a20a7702c90e0e76df84cfd22e33bdb809eb5d9dde7c7d67b742b74b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e667804a20a7702c90e0e76df84cfd22e33bdb809eb5d9dde7c7d67b742b74b6", kill_on_drop: false }`
[INFO] [stdout] e667804a20a7702c90e0e76df84cfd22e33bdb809eb5d9dde7c7d67b742b74b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7584ed6911c8ed4a4b3598dde0fced5e9363b05f05f9c1a4ac808eacc6b1873
[INFO] running `Command { std: "docker" "start" "-a" "d7584ed6911c8ed4a4b3598dde0fced5e9363b05f05f9c1a4ac808eacc6b1873", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling once_cell v1.20.1
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling gix-trace v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling faster-hex v0.9.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling cc v1.1.24
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling prodash v28.0.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling unicode-bidi v0.3.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling gix-sec v0.10.8
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.10+1.61.0
[INFO] [stderr]    Compiling curl-sys v0.4.77+curl-8.10.1
[INFO] [stderr]    Compiling der v0.7.9
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling libgit2-sys v0.17.0+1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling tempfile v3.13.0
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.28.0
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling clru v0.6.2
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling jiff v0.1.13
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling primeorder v0.13.6
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling terminal_size v0.4.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling tar v0.4.42
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling fiat-crypto v0.2.9
[INFO] [stderr]    Compiling clap_builder v4.5.19
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling toml v0.2.1
[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/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.77/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-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=7b7827c0b3b2b73c -C extra-filename=-d24befd38bab33a9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-233bb14400b88924.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d52fb0e05eb3922a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.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" "d7584ed6911c8ed4a4b3598dde0fced5e9363b05f05f9c1a4ac808eacc6b1873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7584ed6911c8ed4a4b3598dde0fced5e9363b05f05f9c1a4ac808eacc6b1873", kill_on_drop: false }`
[INFO] [stdout] d7584ed6911c8ed4a4b3598dde0fced5e9363b05f05f9c1a4ac808eacc6b1873