[INFO] fetching crate mio-aio 0.4.1...
[INFO] checking mio-aio-0.4.1 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate mio-aio 0.4.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mio-aio 0.4.1 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio-aio 0.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mio-aio 0.4.1
[INFO] tweaked toml for crates.io crate mio-aio 0.4.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded sysctl v0.1.4
[INFO] [stderr]   Downloaded divbuf v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 7e4c07eca5f6aada8dddb8c34e5014e5ab6ca0660f4f48785f44d058e4a1d089
[INFO] running `Command { std: "docker" "start" "-a" "7e4c07eca5f6aada8dddb8c34e5014e5ab6ca0660f4f48785f44d058e4a1d089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e4c07eca5f6aada8dddb8c34e5014e5ab6ca0660f4f48785f44d058e4a1d089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4c07eca5f6aada8dddb8c34e5014e5ab6ca0660f4f48785f44d058e4a1d089", kill_on_drop: false }`
[INFO] [stdout] 7e4c07eca5f6aada8dddb8c34e5014e5ab6ca0660f4f48785f44d058e4a1d089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2840d5f9c54c7bc90a2309833f50a70f456b6a9ba5a9e3ac8f81baa1cd1065d4
[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" "2840d5f9c54c7bc90a2309833f50a70f456b6a9ba5a9e3ac8f81baa1cd1065d4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking divbuf v0.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking sysctl v0.1.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             oid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |             name.as_ptr() as *const c_void,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const c_void`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |             qoid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |             qoid.len() as u32,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit
[INFO] [stdout]     |
[INFO] [stdout] 346 |             (qoid.len() as u32).try_into().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |             oid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |             oid.len() as u32,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit
[INFO] [stdout]     |
[INFO] [stdout] 510 |             (oid.len() as u32).try_into().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:526:13
[INFO] [stdout]     |
[INFO] [stdout] 526 |             oid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:527:13
[INFO] [stdout]     |
[INFO] [stdout] 527 |             oid.len() as u32,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit
[INFO] [stdout]     |
[INFO] [stdout] 527 |             (oid.len() as u32).try_into().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:530:13
[INFO] [stdout]     |
[INFO] [stdout] 530 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:847:17
[INFO] [stdout]     |
[INFO] [stdout] 847 |                 oid.as_ptr(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:848:17
[INFO] [stdout]     |
[INFO] [stdout] 848 |                 oid.len() as u32,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit
[INFO] [stdout]     |
[INFO] [stdout] 848 |                 (oid.len() as u32).try_into().unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:851:17
[INFO] [stdout]     |
[INFO] [stdout] 851 |                 bytes.as_ptr() as *const c_void,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const c_void`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 933 |             qoid.as_ptr(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut i32`
[INFO] [stdout]                found raw pointer `*const i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:934:13
[INFO] [stdout]     |
[INFO] [stdout] 934 |             qoid.len() as u32,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit
[INFO] [stdout]     |
[INFO] [stdout] 934 |             (qoid.len() as u32).try_into().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.1.4/src/lib.rs:937:13
[INFO] [stdout]     |
[INFO] [stdout] 937 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut c_void`
[INFO] [stdout]                found raw pointer `*const _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2840d5f9c54c7bc90a2309833f50a70f456b6a9ba5a9e3ac8f81baa1cd1065d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2840d5f9c54c7bc90a2309833f50a70f456b6a9ba5a9e3ac8f81baa1cd1065d4", kill_on_drop: false }`
[INFO] [stdout] 2840d5f9c54c7bc90a2309833f50a70f456b6a9ba5a9e3ac8f81baa1cd1065d4
