[INFO] cloning repository https://github.com/Kroisse/quichexercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kroisse/quichexercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKroisse%2Fquichexercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKroisse%2Fquichexercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53347216a3a992265a27f912b7bd0139e55ba15d
[INFO] testing Kroisse/quichexercise against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKroisse%2Fquichexercise" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kroisse/quichexercise 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/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-26/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.2
[INFO] [stderr]   Downloaded wepoll-binding v2.0.2
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded async-std v1.6.0
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded kv-log-macro v1.0.6
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.20
[INFO] [stderr]   Downloaded send_wrapper v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.13
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded pin-project v0.4.20
[INFO] [stderr]   Downloaded cmake v0.1.44
[INFO] [stderr]   Downloaded async-task v3.0.0
[INFO] [stderr]   Downloaded wepoll-sys v2.0.0
[INFO] [stderr]   Downloaded smol v0.1.11
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded unicode-normalization v0.1.12
[INFO] [stderr]   Downloaded quiche v0.4.0
[INFO] [stderr]   Downloaded ring v0.16.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9182b93ad7aa9229d598e74a21955313752c8bd28b6e63de488f2e7f4cea0b3
[INFO] running `Command { std: "docker" "start" "-a" "e9182b93ad7aa9229d598e74a21955313752c8bd28b6e63de488f2e7f4cea0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9182b93ad7aa9229d598e74a21955313752c8bd28b6e63de488f2e7f4cea0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9182b93ad7aa9229d598e74a21955313752c8bd28b6e63de488f2e7f4cea0b3", kill_on_drop: false }`
[INFO] [stdout] e9182b93ad7aa9229d598e74a21955313752c8bd28b6e63de488f2e7f4cea0b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7303d9fedd512951dfa05bfa3354e854314af4c2ce9a21caf07f2971137ca59e
[INFO] running `Command { std: "docker" "start" "-a" "7303d9fedd512951dfa05bfa3354e854314af4c2ce9a21caf07f2971137ca59e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[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]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]    Compiling quiche v0.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling pin-project v0.4.20
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling piper v0.1.3
[INFO] [stderr]    Compiling smol v0.1.11
[INFO] [stderr]    Compiling 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,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-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=c365c8a5eaa5e667 -C extra-filename=-c365c8a5eaa5e667 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_attributes=/opt/rustwide/target/debug/deps/libasync_attributes-910d06421ec46b9b.so --extern async_task=/opt/rustwide/target/debug/deps/libasync_task-0974ded8a1a39f23.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-378800986f764e76.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-92e70c09e22b3933.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-92287b0ba92baae6.rmeta --extern kv_log_macro=/opt/rustwide/target/debug/deps/libkv_log_macro-0f76df14e97b3398.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3e75c0ed4f057f17.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-5185127b433d2fa3.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-0e6b7e23f9084d5a.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-54dcabcecd235e3c.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-d26ccc00fae6445e.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-6c669315cfadfec5.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-47832e98c319689d.rmeta --extern smol=/opt/rustwide/target/debug/deps/libsmol-ef9211f75eca6150.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" "7303d9fedd512951dfa05bfa3354e854314af4c2ce9a21caf07f2971137ca59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7303d9fedd512951dfa05bfa3354e854314af4c2ce9a21caf07f2971137ca59e", kill_on_drop: false }`
[INFO] [stdout] 7303d9fedd512951dfa05bfa3354e854314af4c2ce9a21caf07f2971137ca59e