[INFO] fetching crate rio 0.9.4...
[INFO] checking rio-0.9.4 against try#1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 for pr-78461
[INFO] extracting crate rio 0.9.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rio 0.9.4 on toolchain 1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rio 0.9.4
[INFO] finished tweaking crates.io crate rio 0.9.4
[INFO] tweaked toml for crates.io crate rio 0.9.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rio 0.9.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 375ef95da1b1972c08c6a8f275d56e60b51924031bef73370b00b322e0a5a2a6
[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" "375ef95da1b1972c08c6a8f275d56e60b51924031bef73370b00b322e0a5a2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "375ef95da1b1972c08c6a8f275d56e60b51924031bef73370b00b322e0a5a2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375ef95da1b1972c08c6a8f275d56e60b51924031bef73370b00b322e0a5a2a6", kill_on_drop: false }`
[INFO] [stdout] 375ef95da1b1972c08c6a8f275d56e60b51924031bef73370b00b322e0a5a2a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "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] def2e673452b98557c3927c208ab6491c9cb3df9481f7b7c7f630a3e0180f527
[INFO] running `Command { std: "docker" "start" "-a" "def2e673452b98557c3927c208ab6491c9cb3df9481f7b7c7f630a3e0180f527", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking extreme v666.666.666
[INFO] [stderr]     Checking rio v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "def2e673452b98557c3927c208ab6491c9cb3df9481f7b7c7f630a3e0180f527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def2e673452b98557c3927c208ab6491c9cb3df9481f7b7c7f630a3e0180f527", kill_on_drop: false }`
[INFO] [stdout] def2e673452b98557c3927c208ab6491c9cb3df9481f7b7c7f630a3e0180f527