[INFO] fetching crate grin_wallet_impls 4.0.0...
[INFO] checking grin_wallet_impls-4.0.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate grin_wallet_impls 4.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate grin_wallet_impls 4.0.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin_wallet_impls 4.0.0
[INFO] finished tweaking crates.io crate grin_wallet_impls 4.0.0
[INFO] tweaked toml for crates.io crate grin_wallet_impls 4.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f548649f791fcf25482f5b8212317588f03b9a359d2ab39435dc65ea0ee2ab8e
[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" "f548649f791fcf25482f5b8212317588f03b9a359d2ab39435dc65ea0ee2ab8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f548649f791fcf25482f5b8212317588f03b9a359d2ab39435dc65ea0ee2ab8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f548649f791fcf25482f5b8212317588f03b9a359d2ab39435dc65ea0ee2ab8e", kill_on_drop: false }`
[INFO] [stdout] f548649f791fcf25482f5b8212317588f03b9a359d2ab39435dc65ea0ee2ab8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] 0faf2468c6f6c0050ca3fa78c45758016ee1f2704c689f7006598f0c8b00ac5b
[INFO] running `Command { std: "docker" "start" "-a" "0faf2468c6f6c0050ca3fa78c45758016ee1f2704c689f7006598f0c8b00ac5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]    Compiling sysinfo v0.14.15
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.9
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking radix64 v0.6.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[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 digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking c2-chacha v0.2.4
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking poly1305 v0.5.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking age-core v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling strum_macros v0.18.0
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/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"' -C metadata=697941fb992bf39d -C extra-filename=-697941fb992bf39d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ab33b97f38e6e831.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-476d26c939207289.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e62bdf8dd5704851.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "0faf2468c6f6c0050ca3fa78c45758016ee1f2704c689f7006598f0c8b00ac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0faf2468c6f6c0050ca3fa78c45758016ee1f2704c689f7006598f0c8b00ac5b", kill_on_drop: false }`
[INFO] [stdout] 0faf2468c6f6c0050ca3fa78c45758016ee1f2704c689f7006598f0c8b00ac5b