[INFO] fetching crate tetcore-browser-utils 0.8.1...
[INFO] checking tetcore-browser-utils-0.8.1 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate tetcore-browser-utils 0.8.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tetcore-browser-utils 0.8.1 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetcore-browser-utils 0.8.1
[INFO] finished tweaking crates.io crate tetcore-browser-utils 0.8.1
[INFO] tweaked toml for crates.io crate tetcore-browser-utils 0.8.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded send_wrapper v0.4.0
[INFO] [stderr]   Downloaded tetsy-kvdb-web v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a474e4af637d0632cb162f67eaac1aa6cbf1278d23c51317f0da0170e819223
[INFO] running `Command { std: "docker" "start" "-a" "9a474e4af637d0632cb162f67eaac1aa6cbf1278d23c51317f0da0170e819223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a474e4af637d0632cb162f67eaac1aa6cbf1278d23c51317f0da0170e819223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a474e4af637d0632cb162f67eaac1aa6cbf1278d23c51317f0da0170e819223", kill_on_drop: false }`
[INFO] [stdout] 9a474e4af637d0632cb162f67eaac1aa6cbf1278d23c51317f0da0170e819223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6625c380edb4e443aa364268b35d6222559ecc03193f531cb1a15ca4a55a3bb
[INFO] running `Command { std: "docker" "start" "-a" "f6625c380edb4e443aa364268b35d6222559ecc03193f531cb1a15ca4a55a3bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking send_wrapper v0.5.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling minicbor-derive v0.6.3
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ref-cast v1.0.6
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking chacha20 v0.5.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chacha20poly1305 v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tetsy-trie-db v0.22.3
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking tetsy-fixed-hash v0.7.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr] error: could not compile `futures-util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.15/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="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="bilock"' --cfg 'feature="channel"' --cfg 'feature="compat"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="futures_01"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --cfg 'feature="unstable"' -C metadata=65b4e718f0ef510f -C extra-filename=-65b4e718f0ef510f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_01=/opt/rustwide/target/debug/deps/libfutures-15835dec10d6386e.rmeta --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-331543e3f5667c89.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-fdcba6e842a7961b.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-25a7ecd2e793be62.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-9b24c9a53980cb17.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-062f7e0ed54f0c5d.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-2b16899b82db4242.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-71464e97bff82454.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-8a6f2262e15733f6.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-63629f8016b5d6f6.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-a2253b72c5eeb833.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-920ce585016515d8.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-2a8784275d25ee35.rmeta --cap-lints allow --cap-lints=forbid --cfg fn_like_proc_macro` (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" "f6625c380edb4e443aa364268b35d6222559ecc03193f531cb1a15ca4a55a3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6625c380edb4e443aa364268b35d6222559ecc03193f531cb1a15ca4a55a3bb", kill_on_drop: false }`
[INFO] [stdout] f6625c380edb4e443aa364268b35d6222559ecc03193f531cb1a15ca4a55a3bb