[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKroisse%2Fquichexercise" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kroisse/quichexercise on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-43/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b9824b5525825214c98ef3acf88b50e81e9f747b99eca60fc6b9b89dccc4a8
[INFO] running `Command { std: "docker" "start" "-a" "f1b9824b5525825214c98ef3acf88b50e81e9f747b99eca60fc6b9b89dccc4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b9824b5525825214c98ef3acf88b50e81e9f747b99eca60fc6b9b89dccc4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b9824b5525825214c98ef3acf88b50e81e9f747b99eca60fc6b9b89dccc4a8", kill_on_drop: false }`
[INFO] [stdout] f1b9824b5525825214c98ef3acf88b50e81e9f747b99eca60fc6b9b89dccc4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620142f36b08f0d9e47cca4e1a231b5ffa45f08c08beaf47c09e25d6e6fb5ae8
[INFO] running `Command { std: "docker" "start" "-a" "620142f36b08f0d9e47cca4e1a231b5ffa45f08c08beaf47c09e25d6e6fb5ae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[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 cmake v0.1.44
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]    Compiling quiche v0.4.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling url v2.1.1
[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 `smol`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name smol --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smol-0.1.11/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 -C metadata=70246c4a709b22df -C extra-filename=-70246c4a709b22df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_task=/opt/rustwide/target/debug/deps/libasync_task-6746888978882e00.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-8e10d172f4ff2b79.rmeta --extern crossbeam_queue=/opt/rustwide/target/debug/deps/libcrossbeam_queue-321e5bdd387dfe41.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-15d02b042ccb7e12.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-f0713e0fb7fc18e4.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-fb67db23f7041287.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-ee73f684d200a3bc.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-c83187afb64569b9.rmeta --extern piper=/opt/rustwide/target/debug/deps/libpiper-fd5162a6e4f1259e.rmeta --extern scoped_tls_hkt=/opt/rustwide/target/debug/deps/libscoped_tls_hkt-4311cd7bbe1f1c18.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-ab98851c871a197f.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-17f3712dd467e19e.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" "620142f36b08f0d9e47cca4e1a231b5ffa45f08c08beaf47c09e25d6e6fb5ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620142f36b08f0d9e47cca4e1a231b5ffa45f08c08beaf47c09e25d6e6fb5ae8", kill_on_drop: false }`
[INFO] [stdout] 620142f36b08f0d9e47cca4e1a231b5ffa45f08c08beaf47c09e25d6e6fb5ae8