[INFO] fetching crate spofy-core 0.1.0...
[INFO] checking spofy-core-0.1.0 against beta for pr-78714
[INFO] extracting crate spofy-core 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spofy-core 0.1.0 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 spofy-core 0.1.0
[INFO] finished tweaking crates.io crate spofy-core 0.1.0
[INFO] tweaked toml for crates.io crate spofy-core 0.1.0 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4b70c2f09692924faa3419a37dee8f41a7c7b35f7d1ca5828226b9257d4b0574
[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" "4b70c2f09692924faa3419a37dee8f41a7c7b35f7d1ca5828226b9257d4b0574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b70c2f09692924faa3419a37dee8f41a7c7b35f7d1ca5828226b9257d4b0574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b70c2f09692924faa3419a37dee8f41a7c7b35f7d1ca5828226b9257d4b0574", kill_on_drop: false }`
[INFO] [stdout] 4b70c2f09692924faa3419a37dee8f41a7c7b35f7d1ca5828226b9257d4b0574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fc20b6b8f6a5e5520aa835bab1bd06cba90c0035f3d412c238b0052e1aa0c819
[INFO] running `Command { std: "docker" "start" "-a" "fc20b6b8f6a5e5520aa835bab1bd06cba90c0035f3d412c238b0052e1aa0c819", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking spofy-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.57s
[INFO] running `Command { std: "docker" "inspect" "fc20b6b8f6a5e5520aa835bab1bd06cba90c0035f3d412c238b0052e1aa0c819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc20b6b8f6a5e5520aa835bab1bd06cba90c0035f3d412c238b0052e1aa0c819", kill_on_drop: false }`
[INFO] [stdout] fc20b6b8f6a5e5520aa835bab1bd06cba90c0035f3d412c238b0052e1aa0c819