[INFO] cloning repository https://github.com/zsol/blackc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zsol/blackc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsol%2Fblackc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsol%2Fblackc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02a9ade5c69c5eeef41fcadbf9dce973fe67fe5f
[INFO] checking zsol/blackc against master#32c26302620b2dbbe0a2291f1969bc0b1622ae59 for pr-95755
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsol%2Fblackc" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zsol/blackc on toolchain 32c26302620b2dbbe0a2291f1969bc0b1622ae59
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zsol/blackc
[INFO] finished tweaking git repo https://github.com/zsol/blackc
[INFO] tweaked toml for git repo https://github.com/zsol/blackc written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/zsol/blackc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try-lock v0.2.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9d25013bfdd27b959189e27acd9e729a828483d94f67238f788037aacaabacc
[INFO] running `Command { std: "docker" "start" "-a" "b9d25013bfdd27b959189e27acd9e729a828483d94f67238f788037aacaabacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d25013bfdd27b959189e27acd9e729a828483d94f67238f788037aacaabacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d25013bfdd27b959189e27acd9e729a828483d94f67238f788037aacaabacc", kill_on_drop: false }`
[INFO] [stdout] b9d25013bfdd27b959189e27acd9e729a828483d94f67238f788037aacaabacc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bf4b046fe145af1bf8a7e4d1693c75052386fdc277544578dc450aca0fab56c
[INFO] running `Command { std: "docker" "start" "-a" "4bf4b046fe145af1bf8a7e4d1693c75052386fdc277544578dc450aca0fab56c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[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 rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.27/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=08376d2412a8e8ce -C extra-filename=-08376d2412a8e8ce --out-dir /opt/rustwide/target/debug/deps -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] running `Command { std: "docker" "inspect" "4bf4b046fe145af1bf8a7e4d1693c75052386fdc277544578dc450aca0fab56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf4b046fe145af1bf8a7e4d1693c75052386fdc277544578dc450aca0fab56c", kill_on_drop: false }`
[INFO] [stdout] 4bf4b046fe145af1bf8a7e4d1693c75052386fdc277544578dc450aca0fab56c