[INFO] fetching crate udp-stream 0.0.0-alpha.3...
[INFO] checking udp-stream-0.0.0-alpha.3 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate udp-stream 0.0.0-alpha.3 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate udp-stream 0.0.0-alpha.3 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate udp-stream 0.0.0-alpha.3
[INFO] finished tweaking crates.io crate udp-stream 0.0.0-alpha.3
[INFO] tweaked toml for crates.io crate udp-stream 0.0.0-alpha.3 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate udp-stream 0.0.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.9
[INFO] [stderr]   Downloaded bytes v0.5.2
[INFO] [stderr]   Downloaded openssl-src v111.6.0+1.1.1d
[INFO] [stderr]   Downloaded tokio v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc300a95a839da2c1e82bd7e9166f2e7e4c416c5f5760021a250ff1d9a621f49
[INFO] running `Command { std: "docker" "start" "-a" "cc300a95a839da2c1e82bd7e9166f2e7e4c416c5f5760021a250ff1d9a621f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc300a95a839da2c1e82bd7e9166f2e7e4c416c5f5760021a250ff1d9a621f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc300a95a839da2c1e82bd7e9166f2e7e4c416c5f5760021a250ff1d9a621f49", kill_on_drop: false }`
[INFO] [stdout] cc300a95a839da2c1e82bd7e9166f2e7e4c416c5f5760021a250ff1d9a621f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85167acff4da5cbfeabcdade9b90ae8752d301c02ecfc09fc909002660a101eb
[INFO] running `Command { std: "docker" "start" "-a" "85167acff4da5cbfeabcdade9b90ae8752d301c02ecfc09fc909002660a101eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling openssl-src v111.6.0+1.1.1d
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr] error: could not compile `tokio-macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio_macros --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-macros-0.2.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=98442dec9aa186f2 -C extra-filename=-98442dec9aa186f2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-59f17593a1f4cddd.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-5913afabb0363332.rlib --extern proc_macro --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" "85167acff4da5cbfeabcdade9b90ae8752d301c02ecfc09fc909002660a101eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85167acff4da5cbfeabcdade9b90ae8752d301c02ecfc09fc909002660a101eb", kill_on_drop: false }`
[INFO] [stdout] 85167acff4da5cbfeabcdade9b90ae8752d301c02ecfc09fc909002660a101eb