[INFO] cloning repository https://github.com/prz23/rustbitcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prz23/rustbitcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprz23%2Frustbitcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprz23%2Frustbitcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57938e7645873eaafb06f6b4e5a2c3320dcf03a5
[INFO] checking prz23/rustbitcoin against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprz23%2Frustbitcoin" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prz23/rustbitcoin on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prz23/rustbitcoin
[INFO] finished tweaking git repo https://github.com/prz23/rustbitcoin
[INFO] tweaked toml for git repo https://github.com/prz23/rustbitcoin written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/prz23/rustbitcoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/serde-rs/bytes`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-rocksdb`
[INFO] [stderr]     Updating git repository `https://github.com/ethcore/jsonrpc.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/app-dirs-rs`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/jsonrpc`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded skeptic v0.4.0
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded xdg v2.1.0
[INFO] [stderr]   Downloaded exit-future v0.1.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.0.3
[INFO] [stderr]   Downloaded local-encoding v0.2.0
[INFO] [stderr]   Downloaded crunchy v0.2.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.0.6
[INFO] [stderr]   Downloaded ns-dns-tokio v0.3.1
[INFO] [stderr]   Downloaded murmur3 v0.4.1
[INFO] [stderr]   Downloaded abstract-ns v0.3.4
[INFO] [stderr]   Downloaded tokio-sync v0.1.7
[INFO] [stderr]   Downloaded tokio v0.1.17
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded cmake v0.1.35
[INFO] [stderr]   Downloaded parity-snappy-sys v0.1.1
[INFO] [stderr]   Downloaded hyper v0.12.13
[INFO] [stderr]   Downloaded display_derive v0.0.0
[INFO] [stderr]   Downloaded elastic-array v0.6.0
[INFO] [stderr]   Downloaded lru-cache v0.1.1
[INFO] [stderr]   Downloaded siphasher v0.1.3
[INFO] [stderr]   Downloaded domain v0.2.4
[INFO] [stderr]   Downloaded toml v0.5.4
[INFO] [stderr]   Downloaded quote v0.6.9
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded impl-codec v0.4.2
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded uint v0.5.0
[INFO] [stderr]   Downloaded heapsize v0.3.9
[INFO] [stderr]   Downloaded parity-codec v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d84951c55e19c058a3baad87a385e7b4deca8cac007e1b9f0f127d7c3f6b4b6
[INFO] running `Command { std: "docker" "start" "-a" "7d84951c55e19c058a3baad87a385e7b4deca8cac007e1b9f0f127d7c3f6b4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d84951c55e19c058a3baad87a385e7b4deca8cac007e1b9f0f127d7c3f6b4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d84951c55e19c058a3baad87a385e7b4deca8cac007e1b9f0f127d7c3f6b4b6", kill_on_drop: false }`
[INFO] [stdout] 7d84951c55e19c058a3baad87a385e7b4deca8cac007e1b9f0f127d7c3f6b4b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8056d8a5d83bb70411f91f70fceb4b23281f4e3c001487816e1427c14ff42f34
[INFO] running `Command { std: "docker" "start" "-a" "8056d8a5d83bb70411f91f70fceb4b23281f4e3c001487816e1427c14ff42f34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking bitvec v0.14.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking app_dirs v1.2.1 (https://github.com/paritytech/app-dirs-rs#0b37f948)
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]    Compiling parity-snappy-sys v0.1.1
[INFO] [stderr]    Compiling parity-rocksdb-sys v0.5.3 (https://github.com/paritytech/rust-rocksdb#ad086c25)
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking elastic-array v0.6.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]    Compiling sr-std v2.0.0 (https://github.com/paritytech/substrate#7dd70679)
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking parity-codec v3.0.0
[INFO] [stderr]     Checking serde_bytes v0.10.4 (https://github.com/serde-rs/bytes#9caf3c09)
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[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 --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=bf2f98f66f315302 -C extra-filename=-bf2f98f66f315302 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-aef50f7ef4b1e5cd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a66192a780596003.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.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" "8056d8a5d83bb70411f91f70fceb4b23281f4e3c001487816e1427c14ff42f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8056d8a5d83bb70411f91f70fceb4b23281f4e3c001487816e1427c14ff42f34", kill_on_drop: false }`
[INFO] [stdout] 8056d8a5d83bb70411f91f70fceb4b23281f4e3c001487816e1427c14ff42f34