[INFO] fetching crate jail 0.1.1...
[INFO] testing jail-0.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate jail 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jail 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jail 0.1.1
[INFO] finished tweaking crates.io crate jail 0.1.1
[INFO] tweaked toml for crates.io crate jail 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate jail 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e6d36a90fdc42074cba070a042112c5962dbbbb2cfd702540dd1ff7dee8f8ab
[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" "1e6d36a90fdc42074cba070a042112c5962dbbbb2cfd702540dd1ff7dee8f8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e6d36a90fdc42074cba070a042112c5962dbbbb2cfd702540dd1ff7dee8f8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6d36a90fdc42074cba070a042112c5962dbbbb2cfd702540dd1ff7dee8f8ab", kill_on_drop: false }`
[INFO] [stdout] 1e6d36a90fdc42074cba070a042112c5962dbbbb2cfd702540dd1ff7dee8f8ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feefb62f7b162146d5d41bfd403bab49c43d58c75a224c9618da440b32422713
[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" "feefb62f7b162146d5d41bfd403bab49c43d58c75a224c9618da440b32422713", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling sysctl v0.3.0
[INFO] [stderr]    Compiling sysctl v0.4.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.3.0/src/lib.rs:477:13
[INFO] [stdout]     |
[INFO] [stdout] 477 |             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-0.3.0/src/lib.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |             name.as_ptr() as *const c_void,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut libc::c_void`
[INFO] [stdout]                found raw pointer `*const libc::c_void`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.3.0/src/lib.rs:546:13
[INFO] [stdout]     |
[INFO] [stdout] 546 |             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-0.3.0/src/lib.rs:547:13
[INFO] [stdout]     |
[INFO] [stdout] 547 |             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] 547 |             (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-0.3.0/src/lib.rs:550:13
[INFO] [stdout]     |
[INFO] [stdout] 550 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut libc::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-0.3.0/src/lib.rs:724:13
[INFO] [stdout]     |
[INFO] [stdout] 724 |             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-0.3.0/src/lib.rs:725:13
[INFO] [stdout]     |
[INFO] [stdout] 725 |             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] 725 |             (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-0.3.0/src/lib.rs:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut libc::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-0.3.0/src/lib.rs:746:13
[INFO] [stdout]     |
[INFO] [stdout] 746 |             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-0.3.0/src/lib.rs:747:13
[INFO] [stdout]     |
[INFO] [stdout] 747 |             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] 747 |             (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-0.3.0/src/lib.rs:750:13
[INFO] [stdout]     |
[INFO] [stdout] 750 |             ptr::null(),
[INFO] [stdout]     |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut libc::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-0.3.0/src/lib.rs:1194:17
[INFO] [stdout]      |
[INFO] [stdout] 1194 |                 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-0.3.0/src/lib.rs:1195:17
[INFO] [stdout]      |
[INFO] [stdout] 1195 |                 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] 1195 |                 (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-0.3.0/src/lib.rs:1198:17
[INFO] [stdout]      |
[INFO] [stdout] 1198 |                 bytes.as_ptr() as *const c_void,
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected raw pointer `*mut libc::c_void`
[INFO] [stdout]                 found raw pointer `*const libc::c_void`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.3.0/src/lib.rs:1283:13
[INFO] [stdout]      |
[INFO] [stdout] 1283 |             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-0.3.0/src/lib.rs:1284:13
[INFO] [stdout]      |
[INFO] [stdout] 1284 |             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] 1284 |             (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-0.3.0/src/lib.rs:1287:13
[INFO] [stdout]      |
[INFO] [stdout] 1287 |             ptr::null(),
[INFO] [stdout]      |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected raw pointer `*mut libc::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-0.3.0/src/lib.rs:1344:13
[INFO] [stdout]      |
[INFO] [stdout] 1344 |             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-0.3.0/src/lib.rs:1345:13
[INFO] [stdout]      |
[INFO] [stdout] 1345 |             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] 1345 |             (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-0.3.0/src/lib.rs:1348:13
[INFO] [stdout]      |
[INFO] [stdout] 1348 |             ptr::null(),
[INFO] [stdout]      |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected raw pointer `*mut libc::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-0.3.0/src/lib.rs:1407:13
[INFO] [stdout]      |
[INFO] [stdout] 1407 |             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-0.3.0/src/lib.rs:1408:13
[INFO] [stdout]      |
[INFO] [stdout] 1408 |             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] 1408 |             (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-0.3.0/src/lib.rs:1411:13
[INFO] [stdout]      |
[INFO] [stdout] 1411 |             ptr::null(),
[INFO] [stdout]      |             ^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected raw pointer `*mut libc::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] [stderr] error: could not compile `sysctl`.
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[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" "feefb62f7b162146d5d41bfd403bab49c43d58c75a224c9618da440b32422713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feefb62f7b162146d5d41bfd403bab49c43d58c75a224c9618da440b32422713", kill_on_drop: false }`
[INFO] [stdout] feefb62f7b162146d5d41bfd403bab49c43d58c75a224c9618da440b32422713
