[INFO] fetching crate north 0.1.4...
[INFO] testing north-0.1.4 against try#6c5b2f071bf9fe3a4b05942f31d42d076171aa61 for pr-115315
[INFO] extracting crate north 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate north 0.1.4 on toolchain 6c5b2f071bf9fe3a4b05942f31d42d076171aa61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate north 0.1.4
[INFO] finished tweaking crates.io crate north 0.1.4
[INFO] tweaked toml for crates.io crate north 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "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" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f5e78b491441a5b9644e276a59809eedfadf4ee1de96655588122b3a64cb522c" "/opt/rustwide/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd3889ec92d3e890b405c891bb51f851914d07f479aecb81af6964fbc9701f8e
[INFO] running `Command { std: "docker" "start" "-a" "bd3889ec92d3e890b405c891bb51f851914d07f479aecb81af6964fbc9701f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3889ec92d3e890b405c891bb51f851914d07f479aecb81af6964fbc9701f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3889ec92d3e890b405c891bb51f851914d07f479aecb81af6964fbc9701f8e", kill_on_drop: false }`
[INFO] [stdout] bd3889ec92d3e890b405c891bb51f851914d07f479aecb81af6964fbc9701f8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f5e78b491441a5b9644e276a59809eedfadf4ee1de96655588122b3a64cb522c" "/opt/rustwide/cargo-home/bin/cargo" "+6c5b2f071bf9fe3a4b05942f31d42d076171aa61" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d1998050b1266a8b1f2d3176afbfd671ffc6db46106d2e950598abd2fb76a6d
[INFO] running `Command { std: "docker" "start" "-a" "3d1998050b1266a8b1f2d3176afbfd671ffc6db46106d2e950598abd2fb76a6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling deranged v0.3.8
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling time-macros v0.2.14
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling base64 v0.21.3
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling uncased v0.9.9
[INFO] [stderr]    Compiling prometheus v0.13.3
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling rustix v0.38.9
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling time v0.3.28
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling dashmap v5.5.1
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling polyval v0.6.1
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling rust-embed-utils v7.8.1
[INFO] [stderr]    Compiling ghash v0.5.0
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling aes v0.8.3
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling brotli-decompressor v2.3.4
[INFO] [stderr]    Compiling regex v1.9.4
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling priority-queue v1.3.2
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.9
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling yasna v0.5.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling aes-gcm v0.10.2
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling pem v2.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling base64 v0.20.0
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling headers v0.3.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling rfc7239 v0.1.0
[INFO] [stderr]    Compiling typemap-ors v1.0.0
[INFO] [stderr]    Compiling thread-id v4.2.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling tempfile v3.8.0
[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/6c5b2f071bf9fe3a4b05942f31d42d076171aa61/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.29/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 -C debuginfo=2 --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="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=c06f219195052242 -C extra-filename=-c06f219195052242 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-66ff2715e87f0a88.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ce9fc401ec9f85bf.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-daeb15672831beb9.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" "3d1998050b1266a8b1f2d3176afbfd671ffc6db46106d2e950598abd2fb76a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1998050b1266a8b1f2d3176afbfd671ffc6db46106d2e950598abd2fb76a6d", kill_on_drop: false }`
[INFO] [stdout] 3d1998050b1266a8b1f2d3176afbfd671ffc6db46106d2e950598abd2fb76a6d