[INFO] fetching crate winping 0.10.1...
[INFO] checking winping-0.10.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate winping 0.10.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate winping 0.10.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate winping 0.10.1
[INFO] finished tweaking crates.io crate winping 0.10.1
[INFO] tweaked toml for crates.io crate winping 0.10.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate winping 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b94d0c501be1e4d87dc4e47eb4539ec9e65f3ff4cefe35dbf7bd243f338732bc
[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" "b94d0c501be1e4d87dc4e47eb4539ec9e65f3ff4cefe35dbf7bd243f338732bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94d0c501be1e4d87dc4e47eb4539ec9e65f3ff4cefe35dbf7bd243f338732bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94d0c501be1e4d87dc4e47eb4539ec9e65f3ff4cefe35dbf7bd243f338732bc", kill_on_drop: false }`
[INFO] [stdout] b94d0c501be1e4d87dc4e47eb4539ec9e65f3ff4cefe35dbf7bd243f338732bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c425c3bbaac62964f87eaab800ca00bfdcae3d0b09586dcb0d6ec719b7e7ce
[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" "64c425c3bbaac62964f87eaab800ca00bfdcae3d0b09586dcb0d6ec719b7e7ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling winapi_forked_icmpapi v0.3.7
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking winping v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.84s
[INFO] running `Command { std: "docker" "inspect" "64c425c3bbaac62964f87eaab800ca00bfdcae3d0b09586dcb0d6ec719b7e7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c425c3bbaac62964f87eaab800ca00bfdcae3d0b09586dcb0d6ec719b7e7ce", kill_on_drop: false }`
[INFO] [stdout] 64c425c3bbaac62964f87eaab800ca00bfdcae3d0b09586dcb0d6ec719b7e7ce