[INFO] fetching crate hreq-h1 0.3.8...
[INFO] checking hreq-h1-0.3.8 against beta for pr-78714
[INFO] extracting crate hreq-h1 0.3.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hreq-h1 0.3.8 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hreq-h1 0.3.8
[INFO] finished tweaking crates.io crate hreq-h1 0.3.8
[INFO] tweaked toml for crates.io crate hreq-h1 0.3.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate hreq-h1 0.3.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54cd5491d99ccf7b7a557988c67337a3f8ae5687dcc51c7269d38b69d8003fc4
[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" "54cd5491d99ccf7b7a557988c67337a3f8ae5687dcc51c7269d38b69d8003fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54cd5491d99ccf7b7a557988c67337a3f8ae5687dcc51c7269d38b69d8003fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cd5491d99ccf7b7a557988c67337a3f8ae5687dcc51c7269d38b69d8003fc4", kill_on_drop: false }`
[INFO] [stdout] 54cd5491d99ccf7b7a557988c67337a3f8ae5687dcc51c7269d38b69d8003fc4
[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=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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 7d82b6d739d2f38377540f34a9deb6217f4472c29b6d9aa47756641ef4ebf8f2
[INFO] running `Command { std: "docker" "start" "-a" "7d82b6d739d2f38377540f34a9deb6217f4472c29b6d9aa47756641ef4ebf8f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking hreq-h1 v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.07s
[INFO] running `Command { std: "docker" "inspect" "7d82b6d739d2f38377540f34a9deb6217f4472c29b6d9aa47756641ef4ebf8f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d82b6d739d2f38377540f34a9deb6217f4472c29b6d9aa47756641ef4ebf8f2", kill_on_drop: false }`
[INFO] [stdout] 7d82b6d739d2f38377540f34a9deb6217f4472c29b6d9aa47756641ef4ebf8f2