[INFO] fetching crate blockrs 0.4.0...
[INFO] testing blockrs-0.4.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate blockrs 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate blockrs 0.4.0
[INFO] finished tweaking crates.io crate blockrs 0.4.0
[INFO] tweaked toml for crates.io crate blockrs 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blockrs 0.4.0 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 blockrs 0.4.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] de561023627548384f761b964fc50def1e5c7fa3d36834368b79e8d04101d2e7
[INFO] running `Command { std: "docker" "start" "-a" "de561023627548384f761b964fc50def1e5c7fa3d36834368b79e8d04101d2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de561023627548384f761b964fc50def1e5c7fa3d36834368b79e8d04101d2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de561023627548384f761b964fc50def1e5c7fa3d36834368b79e8d04101d2e7", kill_on_drop: false }`
[INFO] [stdout] de561023627548384f761b964fc50def1e5c7fa3d36834368b79e8d04101d2e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a8e6344495d21b8494d7477ae9d0310a7fbf27670c0b1abf919c0bee5fc83311
[INFO] running `Command { std: "docker" "start" "-a" "a8e6344495d21b8494d7477ae9d0310a7fbf27670c0b1abf919c0bee5fc83311", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling gix-trace v0.1.12
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling der v0.7.9
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling prodash v29.0.1
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling jiff v0.1.29
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling winnow v0.6.26
[INFO] [stderr]    Compiling gix-utils v0.1.14
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling rustix v1.0.2
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling gix-sec v0.10.11
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling futures-utils-wasm v0.1.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling time-core v0.1.3
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling vergen-lib v0.1.6
[INFO] [stderr]    Compiling clru v0.6.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling vergen v9.0.4
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]    Compiling k256 v0.13.4
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling vergen-gix v1.0.6
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tempfile v3.18.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling hashlink v0.8.4
[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-2.0.100/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=9e76b6c5a0bc20ee -C extra-filename=-0a8de15941d6a3fb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-21e3e1a6b62590dc.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f8f85f80bdf65bf3.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" "a8e6344495d21b8494d7477ae9d0310a7fbf27670c0b1abf919c0bee5fc83311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e6344495d21b8494d7477ae9d0310a7fbf27670c0b1abf919c0bee5fc83311", kill_on_drop: false }`
[INFO] [stdout] a8e6344495d21b8494d7477ae9d0310a7fbf27670c0b1abf919c0bee5fc83311