[INFO] fetching crate map_retry 0.1.2...
[INFO] checking map_retry-0.1.2 against beta for pr-78714
[INFO] extracting crate map_retry 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate map_retry 0.1.2 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 map_retry 0.1.2
[INFO] finished tweaking crates.io crate map_retry 0.1.2
[INFO] tweaked toml for crates.io crate map_retry 0.1.2 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 468df65b1bb690330fad06d237cdc30b9e00d2f521e11e43059bbd13ed632990
[INFO] running `Command { std: "docker" "start" "-a" "468df65b1bb690330fad06d237cdc30b9e00d2f521e11e43059bbd13ed632990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468df65b1bb690330fad06d237cdc30b9e00d2f521e11e43059bbd13ed632990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468df65b1bb690330fad06d237cdc30b9e00d2f521e11e43059bbd13ed632990", kill_on_drop: false }`
[INFO] [stdout] 468df65b1bb690330fad06d237cdc30b9e00d2f521e11e43059bbd13ed632990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 543c46e3fcc543ee4f094179e7b613c180a128addfa14c35bb795bec382c9e82
[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" "543c46e3fcc543ee4f094179e7b613c180a128addfa14c35bb795bec382c9e82", kill_on_drop: false }`
[INFO] [stderr]     Checking map_retry v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "543c46e3fcc543ee4f094179e7b613c180a128addfa14c35bb795bec382c9e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543c46e3fcc543ee4f094179e7b613c180a128addfa14c35bb795bec382c9e82", kill_on_drop: false }`
[INFO] [stdout] 543c46e3fcc543ee4f094179e7b613c180a128addfa14c35bb795bec382c9e82