[INFO] fetching crate closefds 0.1.0...
[INFO] checking closefds-0.1.0 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate closefds 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate closefds 0.1.0 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d592ed5e881d7d4ec00ef8643e22f61b6f3b10510485fc6e72273405510cf313
[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" "d592ed5e881d7d4ec00ef8643e22f61b6f3b10510485fc6e72273405510cf313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d592ed5e881d7d4ec00ef8643e22f61b6f3b10510485fc6e72273405510cf313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d592ed5e881d7d4ec00ef8643e22f61b6f3b10510485fc6e72273405510cf313", kill_on_drop: false }`
[INFO] [stdout] d592ed5e881d7d4ec00ef8643e22f61b6f3b10510485fc6e72273405510cf313
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e92ec9fe6e562a2cefce80d93dfda636ac1eec120cd5f9ffc0631be8f106dc37
[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" "e92ec9fe6e562a2cefce80d93dfda636ac1eec120cd5f9ffc0631be8f106dc37", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking closefds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 0.30s
[INFO] running `Command { std: "docker" "inspect" "e92ec9fe6e562a2cefce80d93dfda636ac1eec120cd5f9ffc0631be8f106dc37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92ec9fe6e562a2cefce80d93dfda636ac1eec120cd5f9ffc0631be8f106dc37", kill_on_drop: false }`
[INFO] [stdout] e92ec9fe6e562a2cefce80d93dfda636ac1eec120cd5f9ffc0631be8f106dc37