[INFO] fetching crate execute 0.2.8...
[INFO] checking execute-0.2.8 against beta for pr-78714
[INFO] extracting crate execute 0.2.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate execute 0.2.8 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 execute 0.2.8
[INFO] finished tweaking crates.io crate execute 0.2.8
[INFO] tweaked toml for crates.io crate execute 0.2.8 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 645423c21b80f8aeaba9327e3e347c79617c30ceb03a32c72849e16f49e488f2
[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" "645423c21b80f8aeaba9327e3e347c79617c30ceb03a32c72849e16f49e488f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "645423c21b80f8aeaba9327e3e347c79617c30ceb03a32c72849e16f49e488f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645423c21b80f8aeaba9327e3e347c79617c30ceb03a32c72849e16f49e488f2", kill_on_drop: false }`
[INFO] [stdout] 645423c21b80f8aeaba9327e3e347c79617c30ceb03a32c72849e16f49e488f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/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] 70ba440c9c796dea24fe638a46bdf0857b29642e01974a07ef4978f934a00040
[INFO] running `Command { std: "docker" "start" "-a" "70ba440c9c796dea24fe638a46bdf0857b29642e01974a07ef4978f934a00040", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling execute-command-tokens v0.1.3
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling execute-command-macro-impl v0.1.5
[INFO] [stderr]     Checking execute-command-macro v0.1.5
[INFO] [stderr]     Checking execute v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "70ba440c9c796dea24fe638a46bdf0857b29642e01974a07ef4978f934a00040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ba440c9c796dea24fe638a46bdf0857b29642e01974a07ef4978f934a00040", kill_on_drop: false }`
[INFO] [stdout] 70ba440c9c796dea24fe638a46bdf0857b29642e01974a07ef4978f934a00040