[INFO] cloning repository https://github.com/0xack13/TacoDNS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xack13/TacoDNS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xack13%2FTacoDNS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xack13%2FTacoDNS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acf78494b5bc9ed855581a94ba754d28a243247e
[INFO] testing 0xack13/TacoDNS against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xack13%2FTacoDNS" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xack13/TacoDNS on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xack13/TacoDNS
[INFO] finished tweaking git repo https://github.com/0xack13/TacoDNS
[INFO] tweaked toml for git repo https://github.com/0xack13/TacoDNS written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/0xack13/TacoDNS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-make v0.3.0-alpha.2a
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.55
[INFO] [stderr]   Downloaded os_str_bytes v2.3.2
[INFO] [stderr]   Downloaded h2 v0.2.0-alpha.3
[INFO] [stderr]   Downloaded tokio-timer v0.3.0-alpha.6
[INFO] [stderr]   Downloaded tokio v0.2.0-alpha.6
[INFO] [stderr]   Downloaded tower-service v0.3.0-alpha.2
[INFO] [stderr]   Downloaded tokio-tls v0.3.0-alpha.6
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.5
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.55
[INFO] [stderr]   Downloaded hyper v0.13.0-alpha.4
[INFO] [stderr]   Downloaded hyper-tls v0.4.0-alpha.4
[INFO] [stderr]   Downloaded tokio-codec v0.2.0-alpha.6
[INFO] [stderr]   Downloaded anyhow v1.0.23
[INFO] [stderr]   Downloaded indexmap v1.2.0
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded tokio-macros v0.2.0-alpha.6
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.55
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.55
[INFO] [stderr]   Downloaded tracing-attributes v0.1.5
[INFO] [stderr]   Downloaded web-sys v0.3.32
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.55
[INFO] [stderr]   Downloaded tokio-net v0.2.0-alpha.6
[INFO] [stderr]   Downloaded reqwest v0.10.0-alpha.2
[INFO] [stderr]   Downloaded tracing-core v0.1.7
[INFO] [stderr]   Downloaded tracing v0.1.10
[INFO] [stderr]   Downloaded js-sys v0.3.32
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.55
[INFO] [stderr]   Downloaded http-body v0.2.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488c71cb326f7edc14de35a31d6d28627353f19e3e1afe46030b894ea05ac2c0
[INFO] running `Command { std: "docker" "start" "-a" "488c71cb326f7edc14de35a31d6d28627353f19e3e1afe46030b894ea05ac2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488c71cb326f7edc14de35a31d6d28627353f19e3e1afe46030b894ea05ac2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488c71cb326f7edc14de35a31d6d28627353f19e3e1afe46030b894ea05ac2c0", kill_on_drop: false }`
[INFO] [stdout] 488c71cb326f7edc14de35a31d6d28627353f19e3e1afe46030b894ea05ac2c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d136ef362d315f2dd7118d9d1bc55cb785ecb327197bbf8ac58c2f7e5c761be
[INFO] running `Command { std: "docker" "start" "-a" "4d136ef362d315f2dd7118d9d1bc55cb785ecb327197bbf8ac58c2f7e5c761be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.0-alpha.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr] error: could not compile `autocfg`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name autocfg /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=47c4297ed0b786e7 -C extra-filename=-47c4297ed0b786e7 --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" "4d136ef362d315f2dd7118d9d1bc55cb785ecb327197bbf8ac58c2f7e5c761be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d136ef362d315f2dd7118d9d1bc55cb785ecb327197bbf8ac58c2f7e5c761be", kill_on_drop: false }`
[INFO] [stdout] 4d136ef362d315f2dd7118d9d1bc55cb785ecb327197bbf8ac58c2f7e5c761be