[INFO] fetching crate rldb 0.1.13...
[INFO] testing rldb-0.1.13 against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] extracting crate rldb 0.1.13 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rldb 0.1.13
[INFO] finished tweaking crates.io crate rldb 0.1.13
[INFO] tweaked toml for crates.io crate rldb 0.1.13 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rldb 0.1.13 on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rldb 0.1.13 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f267f954fab1915112bfa3f49ccb8490c130140a3b4502210e1ede32d35a2ea7
[INFO] running `Command { std: "docker" "start" "-a" "f267f954fab1915112bfa3f49ccb8490c130140a3b4502210e1ede32d35a2ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f267f954fab1915112bfa3f49ccb8490c130140a3b4502210e1ede32d35a2ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f267f954fab1915112bfa3f49ccb8490c130140a3b4502210e1ede32d35a2ea7", kill_on_drop: false }`
[INFO] [stdout] f267f954fab1915112bfa3f49ccb8490c130140a3b4502210e1ede32d35a2ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1cc07122ee6d76be6b9a432a316e57b041a27904561259b977524630e2171c1
[INFO] running `Command { std: "docker" "start" "-a" "e1cc07122ee6d76be6b9a432a316e57b041a27904561259b977524630e2171c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling cc v1.0.105
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling tinyvec v1.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling gethostname v0.2.3
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling clap_builder v4.5.8
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling murmur3 v0.5.2
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling env_logger 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/8da20828b6ea601dfd8e2448cb50ace88876bd78/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=2422a040fa2ddff1 -C extra-filename=-f3e39d7ee086fbf4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f3285e5c19000248.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b29be6395babc9ba.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "e1cc07122ee6d76be6b9a432a316e57b041a27904561259b977524630e2171c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1cc07122ee6d76be6b9a432a316e57b041a27904561259b977524630e2171c1", kill_on_drop: false }`
[INFO] [stdout] e1cc07122ee6d76be6b9a432a316e57b041a27904561259b977524630e2171c1