[INFO] fetching crate grin_wallet 5.0.1...
[INFO] checking grin_wallet-5.0.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate grin_wallet 5.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate grin_wallet 5.0.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate grin_wallet 5.0.1
[INFO] finished tweaking crates.io crate grin_wallet 5.0.1
[INFO] tweaked toml for crates.io crate grin_wallet 5.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate grin_wallet 5.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84f3ad5f11fa124572938fa78c37ff3cdd8ae250c0905c2724d1569e03441f6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84f3ad5f11fa124572938fa78c37ff3cdd8ae250c0905c2724d1569e03441f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f3ad5f11fa124572938fa78c37ff3cdd8ae250c0905c2724d1569e03441f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f3ad5f11fa124572938fa78c37ff3cdd8ae250c0905c2724d1569e03441f6b", kill_on_drop: false }`
[INFO] [stdout] 84f3ad5f11fa124572938fa78c37ff3cdd8ae250c0905c2724d1569e03441f6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 847a7f3f086a30e86a06726f9512d400f9032466993c43602c702d306f3e97d2
[INFO] running `Command { std: "docker" "start" "-a" "847a7f3f086a30e86a06726f9512d400f9032466993c43602c702d306f3e97d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling sysinfo v0.14.15
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.13
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking radix64 v0.6.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking c2-chacha v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking poly1305 v0.5.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking liblmdb-sys v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.10
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]     Checking age-core v0.4.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.38/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=ead4d137f79ee991 -C extra-filename=-ead4d137f79ee991 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b9a0e170717ddd96.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9de72206d94bf724.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f8f43d60e7e7de10.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "847a7f3f086a30e86a06726f9512d400f9032466993c43602c702d306f3e97d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847a7f3f086a30e86a06726f9512d400f9032466993c43602c702d306f3e97d2", kill_on_drop: false }`
[INFO] [stdout] 847a7f3f086a30e86a06726f9512d400f9032466993c43602c702d306f3e97d2