[INFO] fetching crate futures-shim 0.1.3...
[INFO] checking futures-shim-0.1.3 against beta for pr-78714
[INFO] extracting crate futures-shim 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate futures-shim 0.1.3 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 futures-shim 0.1.3
[INFO] finished tweaking crates.io crate futures-shim 0.1.3
[INFO] tweaked toml for crates.io crate futures-shim 0.1.3 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e3921f6d460e0282406f8834bcfc3978221af6addf1d40a091e2c5adba23f6b2
[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" "e3921f6d460e0282406f8834bcfc3978221af6addf1d40a091e2c5adba23f6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3921f6d460e0282406f8834bcfc3978221af6addf1d40a091e2c5adba23f6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3921f6d460e0282406f8834bcfc3978221af6addf1d40a091e2c5adba23f6b2", kill_on_drop: false }`
[INFO] [stdout] e3921f6d460e0282406f8834bcfc3978221af6addf1d40a091e2c5adba23f6b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0066ac987bcb08b812d96c15e1cd4bba2266b01ca1eb4acca94630fc11e7bbf7
[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" "0066ac987bcb08b812d96c15e1cd4bba2266b01ca1eb4acca94630fc11e7bbf7", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-shim v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "0066ac987bcb08b812d96c15e1cd4bba2266b01ca1eb4acca94630fc11e7bbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0066ac987bcb08b812d96c15e1cd4bba2266b01ca1eb4acca94630fc11e7bbf7", kill_on_drop: false }`
[INFO] [stdout] 0066ac987bcb08b812d96c15e1cd4bba2266b01ca1eb4acca94630fc11e7bbf7