[INFO] cloning repository https://github.com/PrimaBlock/parables
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PrimaBlock/parables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrimaBlock%2Fparables", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrimaBlock%2Fparables'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fab4e517cda68028df8a882d8a08f6efe84f02e
[INFO] checking PrimaBlock/parables against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrimaBlock%2Fparables" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PrimaBlock/parables on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PrimaBlock/parables
[INFO] finished tweaking git repo https://github.com/PrimaBlock/parables
[INFO] tweaked toml for git repo https://github.com/PrimaBlock/parables written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/PrimaBlock/parables already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d0ccd82fecb219b2d197cb609afb45d36e497113fbfc18c61a38dc1f424e1c
[INFO] running `Command { std: "docker" "start" "-a" "d5d0ccd82fecb219b2d197cb609afb45d36e497113fbfc18c61a38dc1f424e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d0ccd82fecb219b2d197cb609afb45d36e497113fbfc18c61a38dc1f424e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d0ccd82fecb219b2d197cb609afb45d36e497113fbfc18c61a38dc1f424e1c", kill_on_drop: false }`
[INFO] [stdout] d5d0ccd82fecb219b2d197cb609afb45d36e497113fbfc18c61a38dc1f424e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ae3c2cc737708aa37d40e49672bc02cb7c4c870ee685f5a6c17f60609b8079
[INFO] running `Command { std: "docker" "start" "-a" "44ae3c2cc737708aa37d40e49672bc02cb7c4c870ee685f5a6c17f60609b8079", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking parity-bytes v0.1.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking mem v0.1.0 (https://github.com/paritytech/parity-ethereum.git#dc14cce7)
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling protobuf v1.7.4
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking nan-preserving-float v0.1.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking unexpected v0.1.0 (https://github.com/paritytech/parity-ethereum.git#dc14cce7)
[INFO] [stderr]     Checking home v0.3.3
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking using_queue v0.1.0 (https://github.com/paritytech/parity-ethereum.git#dc14cce7)
[INFO] [stderr]     Checking ethabi-contract v6.0.0
[INFO] [stderr]     Checking macros v0.1.0 (https://github.com/paritytech/parity-ethereum.git#dc14cce7)
[INFO] [stderr]     Checking stop-guard v0.1.0 (https://github.com/paritytech/parity-ethereum.git#dc14cce7)
[INFO] [stderr]    Compiling parables-example v0.1.0 (/opt/rustwide/workdir/example)
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking heck v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.20/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=f2cc03f52a8564f0 -C extra-filename=-f2cc03f52a8564f0 --out-dir /opt/rustwide/target/debug/build/proc-macro2-f2cc03f52a8564f0 -L dependency=/opt/rustwide/target/debug/deps --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" "44ae3c2cc737708aa37d40e49672bc02cb7c4c870ee685f5a6c17f60609b8079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ae3c2cc737708aa37d40e49672bc02cb7c4c870ee685f5a6c17f60609b8079", kill_on_drop: false }`
[INFO] [stdout] 44ae3c2cc737708aa37d40e49672bc02cb7c4c870ee685f5a6c17f60609b8079