[INFO] cloning repository https://github.com/LiQingMuBai/rust-stats-block
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiQingMuBai/rust-stats-block" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiQingMuBai%2Frust-stats-block", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiQingMuBai%2Frust-stats-block'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6c892f11387ed065f493e1f10bb88e191e492eb
[INFO] testing LiQingMuBai/rust-stats-block against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiQingMuBai%2Frust-stats-block" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LiQingMuBai/rust-stats-block on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LiQingMuBai/rust-stats-block
[INFO] finished tweaking git repo https://github.com/LiQingMuBai/rust-stats-block
[INFO] tweaked toml for git repo https://github.com/LiQingMuBai/rust-stats-block written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/LiQingMuBai/rust-stats-block already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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/tomusdrw/rust-web3`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io v0.1.12
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[INFO] [stderr]   Downloaded ethabi v9.0.1
[INFO] [stderr]   Downloaded uint v0.8.2
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[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded itoa v0.4.4
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[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded security-framework-sys v0.3.3
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
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[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded native-tls v0.2.3
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[INFO] [stderr]   Downloaded ethsign v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77ba38fd07b5434f1597c4e1b8a7dbe120d1a8aaf267709f91c3edfd515beefd
[INFO] running `Command { std: "docker" "start" "-a" "77ba38fd07b5434f1597c4e1b8a7dbe120d1a8aaf267709f91c3edfd515beefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77ba38fd07b5434f1597c4e1b8a7dbe120d1a8aaf267709f91c3edfd515beefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ba38fd07b5434f1597c4e1b8a7dbe120d1a8aaf267709f91c3edfd515beefd", kill_on_drop: false }`
[INFO] [stdout] 77ba38fd07b5434f1597c4e1b8a7dbe120d1a8aaf267709f91c3edfd515beefd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21731e37f1c356c51a804e1896adffa5bf6ed9fed6a026c6f7dcf2c2a8a12ef6
[INFO] running `Command { std: "docker" "start" "-a" "21731e37f1c356c51a804e1896adffa5bf6ed9fed6a026c6f7dcf2c2a8a12ef6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.4
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rlp v0.4.4
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.11/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="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=3786f4380498cffa -C extra-filename=-3786f4380498cffa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bd6e8e81ab7378d5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5a4cffc873d2b583.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1256a373de2a2211.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" "21731e37f1c356c51a804e1896adffa5bf6ed9fed6a026c6f7dcf2c2a8a12ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21731e37f1c356c51a804e1896adffa5bf6ed9fed6a026c6f7dcf2c2a8a12ef6", kill_on_drop: false }`
[INFO] [stdout] 21731e37f1c356c51a804e1896adffa5bf6ed9fed6a026c6f7dcf2c2a8a12ef6