[INFO] fetching crate sn0int-std 0.21.0...
[INFO] checking sn0int-std-0.21.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate sn0int-std 0.21.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate sn0int-std 0.21.0 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 sn0int-std 0.21.0
[INFO] finished tweaking crates.io crate sn0int-std 0.21.0
[INFO] tweaked toml for crates.io crate sn0int-std 0.21.0 written to /workspace/builds/worker-72/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] f17d2d3f696e08ab3cb51e2d6360335e1bca4bda9be4c435fdefb8a464c968d0
[INFO] running `Command { std: "docker" "start" "-a" "f17d2d3f696e08ab3cb51e2d6360335e1bca4bda9be4c435fdefb8a464c968d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f17d2d3f696e08ab3cb51e2d6360335e1bca4bda9be4c435fdefb8a464c968d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17d2d3f696e08ab3cb51e2d6360335e1bca4bda9be4c435fdefb8a464c968d0", kill_on_drop: false }`
[INFO] [stdout] f17d2d3f696e08ab3cb51e2d6360335e1bca4bda9be4c435fdefb8a464c968d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] ca0b24950524b0d26d372d6f28ff6efca3066700b5dae2c91aaa09ee41cc595a
[INFO] running `Command { std: "docker" "start" "-a" "ca0b24950524b0d26d372d6f28ff6efca3066700b5dae2c91aaa09ee41cc595a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling oid-registry v0.1.5
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking robust v0.2.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking psl-types v2.0.7
[INFO] [stderr]     Checking mutate_once v0.1.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking geographiclib-rs v0.2.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[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" "ca0b24950524b0d26d372d6f28ff6efca3066700b5dae2c91aaa09ee41cc595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0b24950524b0d26d372d6f28ff6efca3066700b5dae2c91aaa09ee41cc595a", kill_on_drop: false }`
[INFO] [stdout] ca0b24950524b0d26d372d6f28ff6efca3066700b5dae2c91aaa09ee41cc595a