[INFO] cloning repository https://github.com/mimblewimble/grin-wallet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mimblewimble/grin-wallet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimblewimble%2Fgrin-wallet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimblewimble%2Fgrin-wallet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8547f4a162b466a1dacef63df2282b34c3964e78
[INFO] checking mimblewimble/grin-wallet against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimblewimble%2Fgrin-wallet" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mimblewimble/grin-wallet on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mimblewimble/grin-wallet
[INFO] finished tweaking git repo https://github.com/mimblewimble/grin-wallet
[INFO] tweaked toml for git repo https://github.com/mimblewimble/grin-wallet written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mimblewimble/grin-wallet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33ccf163e157475408d5bdb3bdedbea80926b803d7ff1035c2b24f564f04ee75
[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" "33ccf163e157475408d5bdb3bdedbea80926b803d7ff1035c2b24f564f04ee75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33ccf163e157475408d5bdb3bdedbea80926b803d7ff1035c2b24f564f04ee75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ccf163e157475408d5bdb3bdedbea80926b803d7ff1035c2b24f564f04ee75", kill_on_drop: false }`
[INFO] [stdout] 33ccf163e157475408d5bdb3bdedbea80926b803d7ff1035c2b24f564f04ee75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 659dc5436625b37933da22d5add5c3ce610379fc809c7909c063adb4b5e8c8e0
[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" "659dc5436625b37933da22d5add5c3ce610379fc809c7909c063adb4b5e8c8e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.13
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling clang-sys v1.1.1
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking radix64 v0.6.2
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking c2-chacha v0.2.4
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking poly1305 v0.5.2
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking remove_dir_all v0.7.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking zip v0.5.12
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking age-core v0.4.0
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking failure v0.1.8
[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=a07206f588db5c66 -C extra-filename=-a07206f588db5c66 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2341dfc7d52c4d0a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b512be6a3f8c1d97.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-2f6444d33d391550.rmeta --cap-lints allow --cap-lints=warn --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 --cfg syn_disable_nightly_tests` (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" "659dc5436625b37933da22d5add5c3ce610379fc809c7909c063adb4b5e8c8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659dc5436625b37933da22d5add5c3ce610379fc809c7909c063adb4b5e8c8e0", kill_on_drop: false }`
[INFO] [stdout] 659dc5436625b37933da22d5add5c3ce610379fc809c7909c063adb4b5e8c8e0
