[INFO] fetching crate juno 0.1.5-beta...
[INFO] checking juno-0.1.5-beta against beta for pr-78714
[INFO] extracting crate juno 0.1.5-beta into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate juno 0.1.5-beta 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 juno 0.1.5-beta
[INFO] finished tweaking crates.io crate juno 0.1.5-beta
[INFO] tweaked toml for crates.io crate juno 0.1.5-beta written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1b15fea45e124aec61bfd5be54a9358ceffb7462d5e22607df4d8e18ba6f0f4d
[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" "1b15fea45e124aec61bfd5be54a9358ceffb7462d5e22607df4d8e18ba6f0f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b15fea45e124aec61bfd5be54a9358ceffb7462d5e22607df4d8e18ba6f0f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b15fea45e124aec61bfd5be54a9358ceffb7462d5e22607df4d8e18ba6f0f4d", kill_on_drop: false }`
[INFO] [stdout] 1b15fea45e124aec61bfd5be54a9358ceffb7462d5e22607df4d8e18ba6f0f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 5c5d9193a8e2b2b0bbe52b2a72d1475627e06f3f0d812a386495ca854a8447b9
[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" "5c5d9193a8e2b2b0bbe52b2a72d1475627e06f3f0d812a386495ca854a8447b9", kill_on_drop: false }`
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking juno v0.1.5-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `Command { std: "docker" "inspect" "5c5d9193a8e2b2b0bbe52b2a72d1475627e06f3f0d812a386495ca854a8447b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5d9193a8e2b2b0bbe52b2a72d1475627e06f3f0d812a386495ca854a8447b9", kill_on_drop: false }`
[INFO] [stdout] 5c5d9193a8e2b2b0bbe52b2a72d1475627e06f3f0d812a386495ca854a8447b9