[INFO] cloning repository https://github.com/jdkaplan/EmptyBlock.dev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdkaplan/EmptyBlock.dev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdkaplan%2FEmptyBlock.dev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdkaplan%2FEmptyBlock.dev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e017bc2571d234b595f8ae44f7d11a7c101dbe1d
[INFO] checking jdkaplan/EmptyBlock.dev against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdkaplan%2FEmptyBlock.dev" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jdkaplan/EmptyBlock.dev
[INFO] finished tweaking git repo https://github.com/jdkaplan/EmptyBlock.dev
[INFO] tweaked toml for git repo https://github.com/jdkaplan/EmptyBlock.dev written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jdkaplan/EmptyBlock.dev on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jdkaplan/EmptyBlock.dev 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76f0a5fa679d7e3813fe56f8cbd627ecbcf3515530c8a6fe8fd6fff49a01edd3
[INFO] running `Command { std: "docker" "start" "-a" "76f0a5fa679d7e3813fe56f8cbd627ecbcf3515530c8a6fe8fd6fff49a01edd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76f0a5fa679d7e3813fe56f8cbd627ecbcf3515530c8a6fe8fd6fff49a01edd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f0a5fa679d7e3813fe56f8cbd627ecbcf3515530c8a6fe8fd6fff49a01edd3", kill_on_drop: false }`
[INFO] [stdout] 76f0a5fa679d7e3813fe56f8cbd627ecbcf3515530c8a6fe8fd6fff49a01edd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3ce92e2a744b6569823da85ef591eb32580733fb7413deec2c084f00252ad99
[INFO] running `Command { std: "docker" "start" "-a" "e3ce92e2a744b6569823da85ef591eb32580733fb7413deec2c084f00252ad99", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling ahash v0.8.9
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.119
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling bumpalo v3.15.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling rust_decimal v1.34.3
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling bigdecimal v0.3.1
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling finl_unicode v1.2.0
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling stringprep v0.1.4
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling whoami v1.4.1
[INFO] [stderr]     Checking rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]    Compiling atomic-write-file v0.1.2
[INFO] [stderr]    Compiling tempfile v3.10.0
[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/dd2d87b6cc31907ae305875eb6be399783dc0256/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.50/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"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=3a0df96f5f6b2374 -C extra-filename=-3586a915c4b72546 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-43bef833ad5a6872.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7acff96f9e6772ca.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" "e3ce92e2a744b6569823da85ef591eb32580733fb7413deec2c084f00252ad99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ce92e2a744b6569823da85ef591eb32580733fb7413deec2c084f00252ad99", kill_on_drop: false }`
[INFO] [stdout] e3ce92e2a744b6569823da85ef591eb32580733fb7413deec2c084f00252ad99