[INFO] fetching crate calldown 0.0.0...
[INFO] checking calldown-0.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate calldown 0.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate calldown 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] 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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b9972d768b638510c30cd5f38934c0995e06b6efe8ebd8a38c46e7b9016366
[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" "f7b9972d768b638510c30cd5f38934c0995e06b6efe8ebd8a38c46e7b9016366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b9972d768b638510c30cd5f38934c0995e06b6efe8ebd8a38c46e7b9016366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b9972d768b638510c30cd5f38934c0995e06b6efe8ebd8a38c46e7b9016366", kill_on_drop: false }`
[INFO] [stdout] f7b9972d768b638510c30cd5f38934c0995e06b6efe8ebd8a38c46e7b9016366
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a2b00ca8f9494d8072b201e113c2f024929865a6fbc446d48e10d0d243e8401
[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" "0a2b00ca8f9494d8072b201e113c2f024929865a6fbc446d48e10d0d243e8401", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling backtrace-sys v0.1.19
[INFO] [stderr]     Checking sysctl v0.2.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:415:13
[INFO] [stdout]     |
[INFO] [stdout] 415 |             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-0.2.0/src/lib.rs:419:13
[INFO] [stdout]     |
[INFO] [stdout] 419 |             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] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:480:13
[INFO] [stdout]     |
[INFO] [stdout] 480 |             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-0.2.0/src/lib.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |             qoid.len() as u32,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[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]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |             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-0.2.0/src/lib.rs:657:13
[INFO] [stdout]     |
[INFO] [stdout] 657 |             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-0.2.0/src/lib.rs:658:13
[INFO] [stdout]     |
[INFO] [stdout] 658 |             oid.len() as u32,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[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]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |             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-0.2.0/src/lib.rs:679:13
[INFO] [stdout]     |
[INFO] [stdout] 679 |             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-0.2.0/src/lib.rs:680:13
[INFO] [stdout]     |
[INFO] [stdout] 680 |             oid.len() as u32,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[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]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:683:13
[INFO] [stdout]     |
[INFO] [stdout] 683 |             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-0.2.0/src/lib.rs:1119:17
[INFO] [stdout]      |
[INFO] [stdout] 1119 |                 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-0.2.0/src/lib.rs:1120:17
[INFO] [stdout]      |
[INFO] [stdout] 1120 |                 oid.len() as u32,
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[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]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1123:17
[INFO] [stdout]      |
[INFO] [stdout] 1123 |                 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-0.2.0/src/lib.rs:1208:13
[INFO] [stdout]      |
[INFO] [stdout] 1208 |             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-0.2.0/src/lib.rs:1209:13
[INFO] [stdout]      |
[INFO] [stdout] 1209 |             qoid.len() as u32,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[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]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1212:13
[INFO] [stdout]      |
[INFO] [stdout] 1212 |             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-0.2.0/src/lib.rs:1269:13
[INFO] [stdout]      |
[INFO] [stdout] 1269 |             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-0.2.0/src/lib.rs:1270:13
[INFO] [stdout]      |
[INFO] [stdout] 1270 |             qoid.len() as u32,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[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]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1273:13
[INFO] [stdout]      |
[INFO] [stdout] 1273 |             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-0.2.0/src/lib.rs:1332:13
[INFO] [stdout]      |
[INFO] [stdout] 1332 |             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-0.2.0/src/lib.rs:1333:13
[INFO] [stdout]      |
[INFO] [stdout] 1333 |             qoid.len() as u32,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[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[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1336:13
[INFO] [stdout]      |
[INFO] [stdout] 1336 |             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 23 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` due to 24 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a2b00ca8f9494d8072b201e113c2f024929865a6fbc446d48e10d0d243e8401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2b00ca8f9494d8072b201e113c2f024929865a6fbc446d48e10d0d243e8401", kill_on_drop: false }`
[INFO] [stdout] 0a2b00ca8f9494d8072b201e113c2f024929865a6fbc446d48e10d0d243e8401
