[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] 12a25f82f1a799caa738f3d7cf42e8ee2b13f005
[INFO] checking mimblewimble/grin-wallet against master#71704c4f841477e94649843224db3fde67738b23 for pr-116633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimblewimble%2Fgrin-wallet" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mimblewimble/grin-wallet on toolchain 71704c4f841477e94649843224db3fde67738b23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71704c4f841477e94649843224db3fde67738b23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71704c4f841477e94649843224db3fde67738b23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mimblewimble/grin`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.180
[INFO] [stderr]   Downloaded age v0.7.1
[INFO] [stderr]   Downloaded i18n-config v0.4.4
[INFO] [stderr]   Downloaded remove_dir_all v0.7.0
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded fluent v0.16.0
[INFO] [stderr]   Downloaded hyper-timeout v0.3.1
[INFO] [stderr]   Downloaded i18n-embed-impl v0.8.1
[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded age-core v0.7.1
[INFO] [stderr]   Downloaded hyper-rustls v0.20.0
[INFO] [stderr]   Downloaded i18n-embed-fl v0.6.7
[INFO] [stderr]   Downloaded built v0.4.4
[INFO] [stderr]   Downloaded tokio-io-timeout v0.4.0
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded ct-logs v0.6.0
[INFO] [stderr]   Downloaded croaring v0.4.6
[INFO] [stderr]   Downloaded tokio-socks v0.3.0
[INFO] [stderr]   Downloaded phf_codegen v0.11.2
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded log4rs v0.12.0
[INFO] [stderr]   Downloaded terminfo v0.8.0
[INFO] [stderr]   Downloaded i18n-embed v0.13.9
[INFO] [stderr]   Downloaded mortal v0.2.4
[INFO] [stderr]   Downloaded arc-swap v0.4.8
[INFO] [stderr]   Downloaded qr_code v1.1.0
[INFO] [stderr]   Downloaded cargo-lock v4.0.1
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded croaring-sys v0.4.6
[INFO] [stderr]   Downloaded winnow v0.5.2
[INFO] [stderr]   Downloaded hkdf v0.11.0
[INFO] [stderr]   Downloaded sysinfo v0.29.7
[INFO] [stderr]   Downloaded git2 v0.13.25
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] [stderr]   Downloaded regex-automata v0.3.4
[INFO] [stderr]   Downloaded serde_derive v1.0.180
[INFO] [stderr]   Downloaded grin_secp256k1zkp v0.7.12
[INFO] [stderr]   Downloaded rustls-native-certs v0.3.0
[INFO] [stderr]   Downloaded linefeed v0.6.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]   Downloaded libz-sys v1.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+71704c4f841477e94649843224db3fde67738b23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3041ec1b2341b9ed727da6c92e09c977153d50c743f3c16ff524bf409746568
[INFO] running `Command { std: "docker" "start" "-a" "b3041ec1b2341b9ed727da6c92e09c977153d50c743f3c16ff524bf409746568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3041ec1b2341b9ed727da6c92e09c977153d50c743f3c16ff524bf409746568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3041ec1b2341b9ed727da6c92e09c977153d50c743f3c16ff524bf409746568", kill_on_drop: false }`
[INFO] [stdout] b3041ec1b2341b9ed727da6c92e09c977153d50c743f3c16ff524bf409746568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+71704c4f841477e94649843224db3fde67738b23" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 279f60f39434f6899d9836c34b1c496e0007fbb009f9e9cfe7b51ca2ce74dc86
[INFO] running `Command { std: "docker" "start" "-a" "279f60f39434f6899d9836c34b1c496e0007fbb009f9e9cfe7b51ca2ce74dc86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cexpr v0.4.0
[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/71704c4f841477e94649843224db3fde67738b23/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/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"' -C metadata=288411923570641e -C extra-filename=-288411923570641e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c308a930a0e3b3ae.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-88245c643d33b95d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-27c541bdd3194d90.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" "279f60f39434f6899d9836c34b1c496e0007fbb009f9e9cfe7b51ca2ce74dc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279f60f39434f6899d9836c34b1c496e0007fbb009f9e9cfe7b51ca2ce74dc86", kill_on_drop: false }`
[INFO] [stdout] 279f60f39434f6899d9836c34b1c496e0007fbb009f9e9cfe7b51ca2ce74dc86