[INFO] fetching crate closefds 0.1.0...
[INFO] checking closefds-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate closefds 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate closefds 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate closefds 0.1.0
[INFO] finished tweaking crates.io crate closefds 0.1.0
[INFO] tweaked toml for crates.io crate closefds 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 32ce0ab0ae1c3cea1d172b9fb62b2ce60dc0c7a7535032e9c1f4de1627cb4f0d
[INFO] running `Command { std: "docker" "start" "-a" "32ce0ab0ae1c3cea1d172b9fb62b2ce60dc0c7a7535032e9c1f4de1627cb4f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ce0ab0ae1c3cea1d172b9fb62b2ce60dc0c7a7535032e9c1f4de1627cb4f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ce0ab0ae1c3cea1d172b9fb62b2ce60dc0c7a7535032e9c1f4de1627cb4f0d", kill_on_drop: false }`
[INFO] [stdout] 32ce0ab0ae1c3cea1d172b9fb62b2ce60dc0c7a7535032e9c1f4de1627cb4f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0995541d63096e7d7f1a421447d0006543d78611b2c926c41428c95571c4234
[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" "d0995541d63096e7d7f1a421447d0006543d78611b2c926c41428c95571c4234", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking closefds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]   --> tests/tests.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     cmd.before_exec(close_func);
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "d0995541d63096e7d7f1a421447d0006543d78611b2c926c41428c95571c4234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0995541d63096e7d7f1a421447d0006543d78611b2c926c41428c95571c4234", kill_on_drop: false }`
[INFO] [stdout] d0995541d63096e7d7f1a421447d0006543d78611b2c926c41428c95571c4234