[INFO] fetching crate ruby-sys 0.3.0...
[INFO] checking ruby-sys-0.3.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate ruby-sys 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ruby-sys 0.3.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruby-sys 0.3.0
[INFO] finished tweaking crates.io crate ruby-sys 0.3.0
[INFO] tweaked toml for crates.io crate ruby-sys 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 701de36b1839c880f69122d75f54fb2836807c7bcccc25aee1f06ed2f0e6c622
[INFO] running `Command { std: "docker" "start" "-a" "701de36b1839c880f69122d75f54fb2836807c7bcccc25aee1f06ed2f0e6c622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701de36b1839c880f69122d75f54fb2836807c7bcccc25aee1f06ed2f0e6c622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701de36b1839c880f69122d75f54fb2836807c7bcccc25aee1f06ed2f0e6c622", kill_on_drop: false }`
[INFO] [stdout] 701de36b1839c880f69122d75f54fb2836807c7bcccc25aee1f06ed2f0e6c622
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd4caf6337038f3d743a20fd4f26db336f28edbb8e412777f7cbe4cc4488de1
[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" "0fd4caf6337038f3d743a20fd4f26db336f28edbb8e412777f7cbe4cc4488de1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling ruby-sys v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/value.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 |   #[link_name = "ruby_value_type"]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |   #[repr(C)]
[INFO] [stdout] 48 | / pub enum ValueType {
[INFO] [stdout] 49 | |     None = 0x00,
[INFO] [stdout] 50 | |     Object = 0x01,
[INFO] [stdout] 51 | |     Class = 0x02,
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |     Mask = 0x1f,
[INFO] [stdout] 75 | | }
[INFO] [stdout]    | |_- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/value.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 |   #[link_name = "ruby_value_type"]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |   #[repr(C)]
[INFO] [stdout] 48 | / pub enum ValueType {
[INFO] [stdout] 49 | |     None = 0x00,
[INFO] [stdout] 50 | |     Object = 0x01,
[INFO] [stdout] 51 | |     Class = 0x02,
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |     Mask = 0x1f,
[INFO] [stdout] 75 | | }
[INFO] [stdout]    | |_- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "0fd4caf6337038f3d743a20fd4f26db336f28edbb8e412777f7cbe4cc4488de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd4caf6337038f3d743a20fd4f26db336f28edbb8e412777f7cbe4cc4488de1", kill_on_drop: false }`
[INFO] [stdout] 0fd4caf6337038f3d743a20fd4f26db336f28edbb8e412777f7cbe4cc4488de1