[INFO] fetching crate calldown 0.0.0...
[INFO] checking calldown-0.0.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[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 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jail v0.0.1
[INFO] [stderr]   Downloaded sysctl v0.2.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.19
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2367f48e0fc605bf9d273a672b4f593b870a3d45746291a7ddb81c4927645dd6
[INFO] running `Command { std: "docker" "start" "-a" "2367f48e0fc605bf9d273a672b4f593b870a3d45746291a7ddb81c4927645dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2367f48e0fc605bf9d273a672b4f593b870a3d45746291a7ddb81c4927645dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2367f48e0fc605bf9d273a672b4f593b870a3d45746291a7ddb81c4927645dd6", kill_on_drop: false }`
[INFO] [stdout] 2367f48e0fc605bf9d273a672b4f593b870a3d45746291a7ddb81c4927645dd6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ff14040a92f6416edcda3e92a62afcd7ed4fff5d9672d67e9b8c15ba5fd47a
[INFO] running `Command { std: "docker" "start" "-a" "c0ff14040a92f6416edcda3e92a62afcd7ed4fff5d9672d67e9b8c15ba5fd47a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling backtrace-sys v0.1.19
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[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-0.2.152/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-0.2.152/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-0.2.152/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-0.2.152/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-0.2.152/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-0.2.152/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-0.2.152/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-0.2.152/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" "c0ff14040a92f6416edcda3e92a62afcd7ed4fff5d9672d67e9b8c15ba5fd47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ff14040a92f6416edcda3e92a62afcd7ed4fff5d9672d67e9b8c15ba5fd47a", kill_on_drop: false }`
[INFO] [stdout] c0ff14040a92f6416edcda3e92a62afcd7ed4fff5d9672d67e9b8c15ba5fd47a
