[INFO] fetching crate async-f0rm47 0.0.0...
[INFO] checking async-f0rm47-0.0.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate async-f0rm47 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-f0rm47 0.0.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-f0rm47 0.0.0
[INFO] finished tweaking crates.io crate async-f0rm47 0.0.0
[INFO] tweaked toml for crates.io crate async-f0rm47 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] ad4ce7ebd18ad9ad8bb8965a1dd53ba11150b243b9cbc66f8f2e3780f7dac442
[INFO] running `Command { std: "docker" "start" "-a" "ad4ce7ebd18ad9ad8bb8965a1dd53ba11150b243b9cbc66f8f2e3780f7dac442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4ce7ebd18ad9ad8bb8965a1dd53ba11150b243b9cbc66f8f2e3780f7dac442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4ce7ebd18ad9ad8bb8965a1dd53ba11150b243b9cbc66f8f2e3780f7dac442", kill_on_drop: false }`
[INFO] [stdout] ad4ce7ebd18ad9ad8bb8965a1dd53ba11150b243b9cbc66f8f2e3780f7dac442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b79933550be2fa48edb1916973cab05f39ffb6552233aa8ce9b026cd4983f696
[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" "b79933550be2fa48edb1916973cab05f39ffb6552233aa8ce9b026cd4983f696", kill_on_drop: false }`
[INFO] [stderr]     Checking async-f0rm47 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b79933550be2fa48edb1916973cab05f39ffb6552233aa8ce9b026cd4983f696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79933550be2fa48edb1916973cab05f39ffb6552233aa8ce9b026cd4983f696", kill_on_drop: false }`
[INFO] [stdout] b79933550be2fa48edb1916973cab05f39ffb6552233aa8ce9b026cd4983f696