[INFO] fetching crate cheapskate-ci 0.1.6...
[INFO] checking cheapskate-ci-0.1.6 against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611
[INFO] extracting crate cheapskate-ci 0.1.6 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate cheapskate-ci 0.1.6 on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cheapskate-ci 0.1.6
[INFO] finished tweaking crates.io crate cheapskate-ci 0.1.6
[INFO] tweaked toml for crates.io crate cheapskate-ci 0.1.6 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate cheapskate-ci 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f7cc36100327e9ab044b4f22cc5971be80271964efb86a341d7beaffd4ca2cf
[INFO] running `Command { std: "docker" "start" "-a" "6f7cc36100327e9ab044b4f22cc5971be80271964efb86a341d7beaffd4ca2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f7cc36100327e9ab044b4f22cc5971be80271964efb86a341d7beaffd4ca2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7cc36100327e9ab044b4f22cc5971be80271964efb86a341d7beaffd4ca2cf", kill_on_drop: false }`
[INFO] [stdout] 6f7cc36100327e9ab044b4f22cc5971be80271964efb86a341d7beaffd4ca2cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3eced9e7ab3c75a09b1906f7cc53a9ca83a212d0071f2e4490599c99a94f0b3
[INFO] running `Command { std: "docker" "start" "-a" "c3eced9e7ab3c75a09b1906f7cc53a9ca83a212d0071f2e4490599c99a94f0b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling openssl v0.10.15
[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]     Checking matches v0.1.8
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking rprompt v1.0.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[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-0.1.25/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=a4f521d9dc520d12 -C extra-filename=-a4f521d9dc520d12 --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" "c3eced9e7ab3c75a09b1906f7cc53a9ca83a212d0071f2e4490599c99a94f0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3eced9e7ab3c75a09b1906f7cc53a9ca83a212d0071f2e4490599c99a94f0b3", kill_on_drop: false }`
[INFO] [stdout] c3eced9e7ab3c75a09b1906f7cc53a9ca83a212d0071f2e4490599c99a94f0b3