[INFO] fetching crate linq 0.0.1-release...
[INFO] checking linq-0.0.1-release against beta for pr-78714
[INFO] extracting crate linq 0.0.1-release into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate linq 0.0.1-release 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 linq 0.0.1-release
[INFO] finished tweaking crates.io crate linq 0.0.1-release
[INFO] tweaked toml for crates.io crate linq 0.0.1-release written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9b0c6146e44af06e97062ddc323b7f53156122fbd277c4d1bf1b44bb414e2203
[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" "9b0c6146e44af06e97062ddc323b7f53156122fbd277c4d1bf1b44bb414e2203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b0c6146e44af06e97062ddc323b7f53156122fbd277c4d1bf1b44bb414e2203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0c6146e44af06e97062ddc323b7f53156122fbd277c4d1bf1b44bb414e2203", kill_on_drop: false }`
[INFO] [stdout] 9b0c6146e44af06e97062ddc323b7f53156122fbd277c4d1bf1b44bb414e2203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] fbf0dae0cc4b93872752bd8689df226eb7df6e8c4b80e6f894ba18cd4dc5ba67
[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" "fbf0dae0cc4b93872752bd8689df226eb7df6e8c4b80e6f894ba18cd4dc5ba67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking linq v0.0.1-release (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "fbf0dae0cc4b93872752bd8689df226eb7df6e8c4b80e6f894ba18cd4dc5ba67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf0dae0cc4b93872752bd8689df226eb7df6e8c4b80e6f894ba18cd4dc5ba67", kill_on_drop: false }`
[INFO] [stdout] fbf0dae0cc4b93872752bd8689df226eb7df6e8c4b80e6f894ba18cd4dc5ba67