[INFO] fetching crate quickcheck_async 0.1.1...
[INFO] checking quickcheck_async-0.1.1 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate quickcheck_async 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate quickcheck_async 0.1.1 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quickcheck_async 0.1.1
[INFO] finished tweaking crates.io crate quickcheck_async 0.1.1
[INFO] tweaked toml for crates.io crate quickcheck_async 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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] 86df5163c39191febc501efd51ea4d32845d8b3fe6de3aada05173fd38e0f686
[INFO] running `Command { std: "docker" "start" "-a" "86df5163c39191febc501efd51ea4d32845d8b3fe6de3aada05173fd38e0f686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86df5163c39191febc501efd51ea4d32845d8b3fe6de3aada05173fd38e0f686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86df5163c39191febc501efd51ea4d32845d8b3fe6de3aada05173fd38e0f686", kill_on_drop: false }`
[INFO] [stdout] 86df5163c39191febc501efd51ea4d32845d8b3fe6de3aada05173fd38e0f686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7cf1247ddd52100637cf026036b491c046413f12ba11d398bfe488b360a3554
[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" "d7cf1247ddd52100637cf026036b491c046413f12ba11d398bfe488b360a3554", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling quickcheck_async v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking syn v1.0.55
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.74s
[INFO] running `Command { std: "docker" "inspect" "d7cf1247ddd52100637cf026036b491c046413f12ba11d398bfe488b360a3554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cf1247ddd52100637cf026036b491c046413f12ba11d398bfe488b360a3554", kill_on_drop: false }`
[INFO] [stdout] d7cf1247ddd52100637cf026036b491c046413f12ba11d398bfe488b360a3554