[INFO] fetching crate ckb-miner 0.43.2...
[INFO] checking ckb-miner-0.43.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate ckb-miner 0.43.2 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate ckb-miner 0.43.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-miner 0.43.2
[INFO] finished tweaking crates.io crate ckb-miner 0.43.2
[INFO] tweaked toml for crates.io crate ckb-miner 0.43.2 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95114d27810311a97677c1e492678e9e5e2c8830348a9ee10f4a97ddf010034e
[INFO] running `Command { std: "docker" "start" "-a" "95114d27810311a97677c1e492678e9e5e2c8830348a9ee10f4a97ddf010034e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95114d27810311a97677c1e492678e9e5e2c8830348a9ee10f4a97ddf010034e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95114d27810311a97677c1e492678e9e5e2c8830348a9ee10f4a97ddf010034e", kill_on_drop: false }`
[INFO] [stdout] 95114d27810311a97677c1e492678e9e5e2c8830348a9ee10f4a97ddf010034e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1bc7b593c2d22736ce6aee3edd2cbab42839b33de97ff389c060eea77655076
[INFO] running `Command { std: "docker" "start" "-a" "d1bc7b593c2d22736ce6aee3edd2cbab42839b33de97ff389c060eea77655076", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling faster-hex v0.6.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking unsigned-varint v0.6.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling tentacle-secio v0.5.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]     Checking ckb-build-info v0.43.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking merkle-cbt v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling hyper v0.12.36
[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-0.1.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=e0ed641fc67e7bc1 -C extra-filename=-e0ed641fc67e7bc1 --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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d1bc7b593c2d22736ce6aee3edd2cbab42839b33de97ff389c060eea77655076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bc7b593c2d22736ce6aee3edd2cbab42839b33de97ff389c060eea77655076", kill_on_drop: false }`
[INFO] [stdout] d1bc7b593c2d22736ce6aee3edd2cbab42839b33de97ff389c060eea77655076