[INFO] updating cached repository https://github.com/Kroisse/quichexercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53347216a3a992265a27f912b7bd0139e55ba15d
[INFO] checking Kroisse/quichexercise against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKroisse%2Fquichexercise" "/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/Kroisse/quichexercise on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kroisse/quichexercise
[INFO] finished tweaking git repo https://github.com/Kroisse/quichexercise
[INFO] tweaked toml for git repo https://github.com/Kroisse/quichexercise written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Kroisse/quichexercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--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] 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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7ed7d3c2a0de9857fb757367a7e43124eebe3d8dad00d5ab9cc4a7d05129b90
[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" "c7ed7d3c2a0de9857fb757367a7e43124eebe3d8dad00d5ab9cc4a7d05129b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7ed7d3c2a0de9857fb757367a7e43124eebe3d8dad00d5ab9cc4a7d05129b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ed7d3c2a0de9857fb757367a7e43124eebe3d8dad00d5ab9cc4a7d05129b90", kill_on_drop: false }`
[INFO] [stdout] c7ed7d3c2a0de9857fb757367a7e43124eebe3d8dad00d5ab9cc4a7d05129b90
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 192deeea2ff43dfc3017e40513eee2f25cdca3d30a5fe51c5911842e99e01a53
[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" "192deeea2ff43dfc3017e40513eee2f25cdca3d30a5fe51c5911842e99e01a53", 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]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]    Compiling quiche v0.4.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking pin-project v0.4.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking smol v0.1.11
[INFO] [stderr]     Checking async-std v1.6.0
[INFO] [stderr] error: could not compile `async-std`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_std --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.6.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-attributes"' --cfg 'feature="async-task"' --cfg 'feature="attributes"' --cfg 'feature="crossbeam-utils"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-core"' --cfg 'feature="futures-io"' --cfg 'feature="futures-timer"' --cfg 'feature="kv-log-macro"' --cfg 'feature="log"' --cfg 'feature="memchr"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="pin-project-lite"' --cfg 'feature="pin-utils"' --cfg 'feature="slab"' --cfg 'feature="smol"' --cfg 'feature="std"' --cfg 'feature="wasm-bindgen-futures"' -C metadata=587f13222cc282d1 -C extra-filename=-587f13222cc282d1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_attributes=/opt/rustwide/target/debug/deps/libasync_attributes-0365a71504a6354b.so --extern async_task=/opt/rustwide/target/debug/deps/libasync_task-410125fcb496a1c0.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-abe012dd3905d67b.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-f4368cbb253566b7.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-054f3f176350e9eb.rmeta --extern kv_log_macro=/opt/rustwide/target/debug/deps/libkv_log_macro-e055841a83c30ae4.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-e0d2cf0f31f3caf1.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-ce9760b7a868cc8d.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-2b5a59c6cc6fdaea.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-a4edef10bf76bfb8.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-541577e51aed4648.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-c268e2fc3a8dc606.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-ce44e4869e3a784a.rmeta --extern smol=/opt/rustwide/target/debug/deps/libsmol-331ed7e41883a81d.rmeta --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" "192deeea2ff43dfc3017e40513eee2f25cdca3d30a5fe51c5911842e99e01a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192deeea2ff43dfc3017e40513eee2f25cdca3d30a5fe51c5911842e99e01a53", kill_on_drop: false }`
[INFO] [stdout] 192deeea2ff43dfc3017e40513eee2f25cdca3d30a5fe51c5911842e99e01a53