[INFO] fetching crate tokio-boring 2.1.3...
[INFO] testing tokio-boring-2.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tokio-boring 2.1.3 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate tokio-boring 2.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-boring 2.1.3
[INFO] finished tweaking crates.io crate tokio-boring 2.1.3
[INFO] tweaked toml for crates.io crate tokio-boring 2.1.3 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4bc3835cb3d5e0ca8d552e6aa6438703f3da683923b8bdfd94b8881efeeef0b
[INFO] running `Command { std: "docker" "start" "-a" "b4bc3835cb3d5e0ca8d552e6aa6438703f3da683923b8bdfd94b8881efeeef0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4bc3835cb3d5e0ca8d552e6aa6438703f3da683923b8bdfd94b8881efeeef0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bc3835cb3d5e0ca8d552e6aa6438703f3da683923b8bdfd94b8881efeeef0b", kill_on_drop: false }`
[INFO] [stdout] b4bc3835cb3d5e0ca8d552e6aa6438703f3da683923b8bdfd94b8881efeeef0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a108baab675d173c4e1d672ebc24945c06a9ad16defa265698f8a6d045763f9
[INFO] running `Command { std: "docker" "start" "-a" "2a108baab675d173c4e1d672ebc24945c06a9ad16defa265698f8a6d045763f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling boring-sys v1.1.1
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.14.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="winapi"' -C metadata=b6c022600331bb0f -C extra-filename=-b6c022600331bb0f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5e8424a0f7103369.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-91d257e9eed50cc0.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-97d2a9096a87321e.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-de8071cdf5284d62.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-e2290ccb27203e5c.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-393bd80b9b1a6bb7.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-7c5ad4854b16d5b4.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-c01d3460c002bb08.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-f74370b660dec759.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-9c1fa8eb4be5b007.so --cap-lints allow --cap-lints=forbid --cfg tokio_track_caller` (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" "2a108baab675d173c4e1d672ebc24945c06a9ad16defa265698f8a6d045763f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a108baab675d173c4e1d672ebc24945c06a9ad16defa265698f8a6d045763f9", kill_on_drop: false }`
[INFO] [stdout] 2a108baab675d173c4e1d672ebc24945c06a9ad16defa265698f8a6d045763f9