[INFO] fetching crate tet-libp2p-dns 0.27.0...
[INFO] checking tet-libp2p-dns-0.27.0 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate tet-libp2p-dns 0.27.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate tet-libp2p-dns 0.27.0 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tet-libp2p-dns 0.27.0
[INFO] finished tweaking crates.io crate tet-libp2p-dns 0.27.0
[INFO] tweaked toml for crates.io crate tet-libp2p-dns 0.27.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dce1e6217acfd655678521c630da13345fc7510a685f855822f2882dd2da8824
[INFO] running `Command { std: "docker" "start" "-a" "dce1e6217acfd655678521c630da13345fc7510a685f855822f2882dd2da8824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce1e6217acfd655678521c630da13345fc7510a685f855822f2882dd2da8824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce1e6217acfd655678521c630da13345fc7510a685f855822f2882dd2da8824", kill_on_drop: false }`
[INFO] [stdout] dce1e6217acfd655678521c630da13345fc7510a685f855822f2882dd2da8824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35b5bbca673305b310452404b42889def2d79914b31871297cf0f1b1d16f9861
[INFO] running `Command { std: "docker" "start" "-a" "35b5bbca673305b310452404b42889def2d79914b31871297cf0f1b1d16f9861", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking unsigned-varint v0.6.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.137/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=bc95072eb3e45104 -C extra-filename=-bc95072eb3e45104 --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" "35b5bbca673305b310452404b42889def2d79914b31871297cf0f1b1d16f9861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b5bbca673305b310452404b42889def2d79914b31871297cf0f1b1d16f9861", kill_on_drop: false }`
[INFO] [stdout] 35b5bbca673305b310452404b42889def2d79914b31871297cf0f1b1d16f9861