[INFO] cloning repository https://github.com/atkak/toy-webrtc-signaling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atkak/toy-webrtc-signaling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkak%2Ftoy-webrtc-signaling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkak%2Ftoy-webrtc-signaling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b38084af755432984a843443c4b2573ab43d8cd
[INFO] testing atkak/toy-webrtc-signaling against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkak%2Ftoy-webrtc-signaling" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atkak/toy-webrtc-signaling on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atkak/toy-webrtc-signaling
[INFO] finished tweaking git repo https://github.com/atkak/toy-webrtc-signaling
[INFO] tweaked toml for git repo https://github.com/atkak/toy-webrtc-signaling written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/atkak/toy-webrtc-signaling already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-channel v0.3.14
[INFO] [stderr]   Downloaded httparse v1.4.0
[INFO] [stderr]   Downloaded regex v1.5.3
[INFO] [stderr]   Downloaded futures-io v0.3.14
[INFO] [stderr]   Downloaded futures-macro v0.3.14
[INFO] [stderr]   Downloaded v_escape_derive v0.8.4
[INFO] [stderr]   Downloaded futures v0.3.14
[INFO] [stderr]   Downloaded futures-task v0.3.14
[INFO] [stderr]   Downloaded futures-util v0.3.14
[INFO] [stderr]   Downloaded futures-core v0.3.14
[INFO] [stderr]   Downloaded futures-sink v0.3.14
[INFO] [stderr]   Downloaded const_fn v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df0647c96f9c788ffadfd325d2d6410d5098f38edf9134709b67c25b9902fa5e
[INFO] running `Command { std: "docker" "start" "-a" "df0647c96f9c788ffadfd325d2d6410d5098f38edf9134709b67c25b9902fa5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df0647c96f9c788ffadfd325d2d6410d5098f38edf9134709b67c25b9902fa5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0647c96f9c788ffadfd325d2d6410d5098f38edf9134709b67c25b9902fa5e", kill_on_drop: false }`
[INFO] [stdout] df0647c96f9c788ffadfd325d2d6410d5098f38edf9134709b67c25b9902fa5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 033dc512f58af806c8c77b13763fbe92cebc5cfdb81c925562b0e294c49826f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "033dc512f58af806c8c77b13763fbe92cebc5cfdb81c925562b0e294c49826f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling buf-min v0.4.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling regex v1.5.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[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-0.2.25/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="fnv"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-uds"' --cfg 'feature="rt-core"' --cfg 'feature="rt-util"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="sync"' --cfg 'feature="tcp"' --cfg 'feature="time"' --cfg 'feature="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' -C metadata=aec0263144e43492 -C extra-filename=-aec0263144e43492 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-969060dc4a946f1e.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-6d1578eb67bc4123.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-07d665462ca692c9.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-f6eca1710cb0014d.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b341606102c7008f.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b61e55b306920795.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-c91585712b30fae9.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-a1bb8933dfe4f0b8.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-0cd6153a28df1827.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-f6b71f87fb385cbd.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-2f1e94fb55678988.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-ca64799474667b44.rmeta --cap-lints allow --cap-lints=warn` (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" "033dc512f58af806c8c77b13763fbe92cebc5cfdb81c925562b0e294c49826f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033dc512f58af806c8c77b13763fbe92cebc5cfdb81c925562b0e294c49826f8", kill_on_drop: false }`
[INFO] [stdout] 033dc512f58af806c8c77b13763fbe92cebc5cfdb81c925562b0e294c49826f8