[INFO] fetching crate calldown 0.0.0...
[INFO] checking calldown-0.0.0 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate calldown 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate calldown 0.0.0 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calldown 0.0.0
[INFO] finished tweaking crates.io crate calldown 0.0.0
[INFO] tweaked toml for crates.io crate calldown 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding backtrace-sys v0.1.19 (available: v0.1.37)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding jail v0.0.1 (available: v0.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.1)
[INFO] [stderr]       Adding sysctl v0.2.0 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace-sys v0.1.19
[INFO] [stderr]   Downloaded jail v0.0.1
[INFO] [stderr]   Downloaded sysctl v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23dca365f20ec221a50df0616bfa2ea1480e400cded2a055ebbc6ce57250fc08
[INFO] running `Command { std: "docker" "start" "-a" "23dca365f20ec221a50df0616bfa2ea1480e400cded2a055ebbc6ce57250fc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23dca365f20ec221a50df0616bfa2ea1480e400cded2a055ebbc6ce57250fc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23dca365f20ec221a50df0616bfa2ea1480e400cded2a055ebbc6ce57250fc08", kill_on_drop: false }`
[INFO] [stdout] 23dca365f20ec221a50df0616bfa2ea1480e400cded2a055ebbc6ce57250fc08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94b9af3f663b14e8d3fb95ffb20bff7f3a5d2da04430bde21c4fc84115571732
[INFO] running `Command { std: "docker" "start" "-a" "94b9af3f663b14e8d3fb95ffb20bff7f3a5d2da04430bde21c4fc84115571732", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling backtrace-sys v0.1.19
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking sysctl v0.2.0
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 |         sysctl(
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:415:13
[INFO] [stdout]     |
[INFO] [stdout] 415 |             oid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:419:13
[INFO] [stdout]     |
[INFO] [stdout] 419 |             name.as_ptr() as *const c_void,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const c_void`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.158/src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs:443:12
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn sysctl(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         sysctl(
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 480 |             qoid.as_ptr(),
[INFO] [stdout] 481 |             qoid.len() as u32,
[INFO] [stdout]     |             ----------------- expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:480:13
[INFO] [stdout]     |
[INFO] [stdout] 480 |             qoid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const _`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.158/src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs:443:12
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn sysctl(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] help: you can convert a `u32` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]     |
[INFO] [stdout] 481 |             (qoid.len() as u32).try_into().unwrap(),
[INFO] [stdout]     |             +                 +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         sysctl(
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 657 |             oid.as_ptr(),
[INFO] [stdout] 658 |             oid.len() as u32,
[INFO] [stdout]     |             ---------------- expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:657:13
[INFO] [stdout]     |
[INFO] [stdout] 657 |             oid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const _`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.158/src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs:443:12
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn sysctl(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] help: you can convert a `u32` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]     |
[INFO] [stdout] 658 |             (oid.len() as u32).try_into().unwrap(),
[INFO] [stdout]     |             +                +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:678:9
[INFO] [stdout]     |
[INFO] [stdout] 678 |         sysctl(
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 679 |             oid.as_ptr(),
[INFO] [stdout] 680 |             oid.len() as u32,
[INFO] [stdout]     |             ---------------- expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:679:13
[INFO] [stdout]     |
[INFO] [stdout] 679 |             oid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:683:13
[INFO] [stdout]     |
[INFO] [stdout] 683 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const _`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.158/src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs:443:12
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn sysctl(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] help: you can convert a `u32` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]     |
[INFO] [stdout] 680 |             (oid.len() as u32).try_into().unwrap(),
[INFO] [stdout]     |             +                +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1118:13
[INFO] [stdout]      |
[INFO] [stdout] 1118 |             sysctl(
[INFO] [stdout]      |             ^^^^^^
[INFO] [stdout] 1119 |                 oid.as_ptr(),
[INFO] [stdout] 1120 |                 oid.len() as u32,
[INFO] [stdout]      |                 ---------------- expected `i32`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1119:17
[INFO] [stdout]      |
[INFO] [stdout] 1119 |                 oid.as_ptr(),
[INFO] [stdout]      |                 ^^^^^^^^^^^^
[INFO] [stdout]      = note: expected raw pointer `*mut i32`
[INFO] [stdout]                 found raw pointer `*const i32`
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1123:17
[INFO] [stdout]      |
[INFO] [stdout] 1123 |                 bytes.as_ptr() as *const c_void,
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                 found raw pointer `*const c_void`
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.158/src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs:443:12
[INFO] [stdout]      |
[INFO] [stdout] 443  |     pub fn sysctl(
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout] help: you can convert a `u32` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1120 |                 (oid.len() as u32).try_into().unwrap(),
[INFO] [stdout]      |                 +                +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1207:9
[INFO] [stdout]      |
[INFO] [stdout] 1207 |         sysctl(
[INFO] [stdout]      |         ^^^^^^
[INFO] [stdout] 1208 |             qoid.as_ptr(),
[INFO] [stdout] 1209 |             qoid.len() as u32,
[INFO] [stdout]      |             ----------------- expected `i32`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1208:13
[INFO] [stdout]      |
[INFO] [stdout] 1208 |             qoid.as_ptr(),
[INFO] [stdout]      |             ^^^^^^^^^^^^^
[INFO] [stdout]      = note: expected raw pointer `*mut i32`
[INFO] [stdout]                 found raw pointer `*const i32`
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1212:13
[INFO] [stdout]      |
[INFO] [stdout] 1212 |             ptr::null(),
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout]      = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                 found raw pointer `*const _`
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.158/src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs:443:12
[INFO] [stdout]      |
[INFO] [stdout] 443  |     pub fn sysctl(
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout] help: you can convert a `u32` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1209 |             (qoid.len() as u32).try_into().unwrap(),
[INFO] [stdout]      |             +                 +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1268:9
[INFO] [stdout]      |
[INFO] [stdout] 1268 |         sysctl(
[INFO] [stdout]      |         ^^^^^^
[INFO] [stdout] 1269 |             qoid.as_ptr(),
[INFO] [stdout] 1270 |             qoid.len() as u32,
[INFO] [stdout]      |             ----------------- expected `i32`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1269:13
[INFO] [stdout]      |
[INFO] [stdout] 1269 |             qoid.as_ptr(),
[INFO] [stdout]      |             ^^^^^^^^^^^^^
[INFO] [stdout]      = note: expected raw pointer `*mut i32`
[INFO] [stdout]                 found raw pointer `*const i32`
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1273:13
[INFO] [stdout]      |
[INFO] [stdout] 1273 |             ptr::null(),
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout]      = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                 found raw pointer `*const _`
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.158/src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs:443:12
[INFO] [stdout]      |
[INFO] [stdout] 443  |     pub fn sysctl(
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout] help: you can convert a `u32` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1270 |             (qoid.len() as u32).try_into().unwrap(),
[INFO] [stdout]      |             +                 +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1331:9
[INFO] [stdout]      |
[INFO] [stdout] 1331 |         sysctl(
[INFO] [stdout]      |         ^^^^^^
[INFO] [stdout] 1332 |             qoid.as_ptr(),
[INFO] [stdout] 1333 |             qoid.len() as u32,
[INFO] [stdout]      |             ----------------- expected `i32`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1332:13
[INFO] [stdout]      |
[INFO] [stdout] 1332 |             qoid.as_ptr(),
[INFO] [stdout]      |             ^^^^^^^^^^^^^
[INFO] [stdout]      = note: expected raw pointer `*mut i32`
[INFO] [stdout]                 found raw pointer `*const i32`
[INFO] [stdout] note: types differ in mutability
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sysctl-0.2.0/src/lib.rs:1336:13
[INFO] [stdout]      |
[INFO] [stdout] 1336 |             ptr::null(),
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout]      = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                 found raw pointer `*const _`
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.158/src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs:443:12
[INFO] [stdout]      |
[INFO] [stdout] 443  |     pub fn sysctl(
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout] help: you can convert a `u32` to an `i32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1333 |             (qoid.len() as u32).try_into().unwrap(),
[INFO] [stdout]      |             +                 +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sysctl` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "94b9af3f663b14e8d3fb95ffb20bff7f3a5d2da04430bde21c4fc84115571732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b9af3f663b14e8d3fb95ffb20bff7f3a5d2da04430bde21c4fc84115571732", kill_on_drop: false }`
[INFO] [stdout] 94b9af3f663b14e8d3fb95ffb20bff7f3a5d2da04430bde21c4fc84115571732
