[INFO] fetching crate dev_api 0.1.28...
[INFO] checking dev_api-0.1.28 against try#8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce for pr-112988
[INFO] extracting crate dev_api 0.1.28 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate dev_api 0.1.28 on toolchain 8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dev_api 0.1.28
[INFO] finished tweaking crates.io crate dev_api 0.1.28
[INFO] tweaked toml for crates.io crate dev_api 0.1.28 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f71d1ea4816692010d2ef7bdeaccd3db36fd5295f93c994ede3dc2b6900528a
[INFO] running `Command { std: "docker" "start" "-a" "9f71d1ea4816692010d2ef7bdeaccd3db36fd5295f93c994ede3dc2b6900528a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f71d1ea4816692010d2ef7bdeaccd3db36fd5295f93c994ede3dc2b6900528a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f71d1ea4816692010d2ef7bdeaccd3db36fd5295f93c994ede3dc2b6900528a", kill_on_drop: false }`
[INFO] [stdout] 9f71d1ea4816692010d2ef7bdeaccd3db36fd5295f93c994ede3dc2b6900528a
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99763b4961c1b865d651af83495ba746006dd6b7dd60b79cbdb29fd365478743
[INFO] running `Command { std: "docker" "start" "-a" "99763b4961c1b865d651af83495ba746006dd6b7dd60b79cbdb29fd365478743", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling zstd-safe v6.0.5+zstd.1.5.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-bigint v0.3.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking brotli-decompressor v2.3.4
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling der v0.5.1
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bytestring v1.3.0
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking spki v0.5.4
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling pkcs8 v0.8.0
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling num-bigint-dig v0.8.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling pkcs1 v0.3.3
[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/8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.22/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-mut"' -C metadata=6da845310e243bdb -C extra-filename=-6da845310e243bdb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-38f8ce7ca1869e61.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-038ac5a9b5754832.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-0e53082f4f416819.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" "99763b4961c1b865d651af83495ba746006dd6b7dd60b79cbdb29fd365478743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99763b4961c1b865d651af83495ba746006dd6b7dd60b79cbdb29fd365478743", kill_on_drop: false }`
[INFO] [stdout] 99763b4961c1b865d651af83495ba746006dd6b7dd60b79cbdb29fd365478743