[INFO] fetching crate sapp-linux 0.1.8...
[INFO] checking sapp-linux-0.1.8 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate sapp-linux 0.1.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sapp-linux 0.1.8 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 sapp-linux 0.1.8
[INFO] finished tweaking crates.io crate sapp-linux 0.1.8
[INFO] tweaked toml for crates.io crate sapp-linux 0.1.8 written to /workspace/builds/worker-6/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-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" "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] dc8f650944f896bc4d37b00e8927b7cf079198c77e701864ce86005bc9b08fcf
[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" "dc8f650944f896bc4d37b00e8927b7cf079198c77e701864ce86005bc9b08fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc8f650944f896bc4d37b00e8927b7cf079198c77e701864ce86005bc9b08fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8f650944f896bc4d37b00e8927b7cf079198c77e701864ce86005bc9b08fcf", kill_on_drop: false }`
[INFO] [stdout] dc8f650944f896bc4d37b00e8927b7cf079198c77e701864ce86005bc9b08fcf
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6627497169d17b6a7dccd5d9211e5c4be47ecb7770f60d2f3d29ceff10f9adc3
[INFO] running `Command { std: "docker" "start" "-a" "6627497169d17b6a7dccd5d9211e5c4be47ecb7770f60d2f3d29ceff10f9adc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling sapp-linux v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:663:14
[INFO] [stdout]     |
[INFO] [stdout] 663 |     mut ext: &[u8],
[INFO] [stdout]     |              ^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:663:14
[INFO] [stdout]     |
[INFO] [stdout] 663 |     mut ext: &[u8],
[INFO] [stdout]     |              ^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "6627497169d17b6a7dccd5d9211e5c4be47ecb7770f60d2f3d29ceff10f9adc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6627497169d17b6a7dccd5d9211e5c4be47ecb7770f60d2f3d29ceff10f9adc3", kill_on_drop: false }`
[INFO] [stdout] 6627497169d17b6a7dccd5d9211e5c4be47ecb7770f60d2f3d29ceff10f9adc3