[INFO] crate calldown 0.0.0 is already in cache [INFO] extracting crate calldown 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/calldown/0.0.0 [INFO] extracting crate calldown 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/calldown/0.0.0 [INFO] validating manifest of calldown-0.0.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of calldown-0.0.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing calldown-0.0.0 [INFO] finished frobbing calldown-0.0.0 [INFO] frobbed toml for calldown-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/calldown/0.0.0/Cargo.toml [INFO] started frobbing calldown-0.0.0 [INFO] finished frobbing calldown-0.0.0 [INFO] frobbed toml for calldown-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/calldown/0.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing calldown-0.0.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/calldown/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 96c1bebf936dda67e8005d4f31b5b069f0fdbefe4e0711547991c7a7f9707fcd [INFO] running `"docker" "start" "-a" "96c1bebf936dda67e8005d4f31b5b069f0fdbefe4e0711547991c7a7f9707fcd"` [INFO] [stderr] Compiling backtrace-sys v0.1.19 [INFO] [stderr] Compiling backtrace v0.3.35 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling sysctl v0.2.0 [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:415:13 [INFO] [stderr] | [INFO] [stderr] 415 | oid.as_ptr(), [INFO] [stderr] | ^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut i32` [INFO] [stderr] found type `*const i32` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:419:13 [INFO] [stderr] | [INFO] [stderr] 419 | name.as_ptr() as *const c_void, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut libc::c_void` [INFO] [stderr] found type `*const libc::c_void` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:480:13 [INFO] [stderr] | [INFO] [stderr] 480 | qoid.as_ptr(), [INFO] [stderr] | ^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut i32` [INFO] [stderr] found type `*const i32` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:481:13 [INFO] [stderr] | [INFO] [stderr] 481 | qoid.len() as u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ expected i32, found u32 [INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit [INFO] [stderr] | [INFO] [stderr] 481 | (qoid.len() as u32).try_into().unwrap(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:484:13 [INFO] [stderr] | [INFO] [stderr] 484 | ptr::null(), [INFO] [stderr] | ^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut libc::c_void` [INFO] [stderr] found type `*const _` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:657:13 [INFO] [stderr] | [INFO] [stderr] 657 | oid.as_ptr(), [INFO] [stderr] | ^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut i32` [INFO] [stderr] found type `*const i32` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:658:13 [INFO] [stderr] | [INFO] [stderr] 658 | oid.len() as u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ expected i32, found u32 [INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit [INFO] [stderr] | [INFO] [stderr] 658 | (oid.len() as u32).try_into().unwrap(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:661:13 [INFO] [stderr] | [INFO] [stderr] 661 | ptr::null(), [INFO] [stderr] | ^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut libc::c_void` [INFO] [stderr] found type `*const _` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:679:13 [INFO] [stderr] | [INFO] [stderr] 679 | oid.as_ptr(), [INFO] [stderr] | ^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut i32` [INFO] [stderr] found type `*const i32` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:680:13 [INFO] [stderr] | [INFO] [stderr] 680 | oid.len() as u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ expected i32, found u32 [INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit [INFO] [stderr] | [INFO] [stderr] 680 | (oid.len() as u32).try_into().unwrap(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:683:13 [INFO] [stderr] | [INFO] [stderr] 683 | ptr::null(), [INFO] [stderr] | ^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut libc::c_void` [INFO] [stderr] found type `*const _` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1119:17 [INFO] [stderr] | [INFO] [stderr] 1119 | oid.as_ptr(), [INFO] [stderr] | ^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut i32` [INFO] [stderr] found type `*const i32` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1120:17 [INFO] [stderr] | [INFO] [stderr] 1120 | oid.len() as u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ expected i32, found u32 [INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit [INFO] [stderr] | [INFO] [stderr] 1120 | (oid.len() as u32).try_into().unwrap(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1123:17 [INFO] [stderr] | [INFO] [stderr] 1123 | bytes.as_ptr() as *const c_void, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut libc::c_void` [INFO] [stderr] found type `*const libc::c_void` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1208:13 [INFO] [stderr] | [INFO] [stderr] 1208 | qoid.as_ptr(), [INFO] [stderr] | ^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut i32` [INFO] [stderr] found type `*const i32` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1209:13 [INFO] [stderr] | [INFO] [stderr] 1209 | qoid.len() as u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ expected i32, found u32 [INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit [INFO] [stderr] | [INFO] [stderr] 1209 | (qoid.len() as u32).try_into().unwrap(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1212:13 [INFO] [stderr] | [INFO] [stderr] 1212 | ptr::null(), [INFO] [stderr] | ^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut libc::c_void` [INFO] [stderr] found type `*const _` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1269:13 [INFO] [stderr] | [INFO] [stderr] 1269 | qoid.as_ptr(), [INFO] [stderr] | ^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut i32` [INFO] [stderr] found type `*const i32` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1270:13 [INFO] [stderr] | [INFO] [stderr] 1270 | qoid.len() as u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ expected i32, found u32 [INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit [INFO] [stderr] | [INFO] [stderr] 1270 | (qoid.len() as u32).try_into().unwrap(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1273:13 [INFO] [stderr] | [INFO] [stderr] 1273 | ptr::null(), [INFO] [stderr] | ^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut libc::c_void` [INFO] [stderr] found type `*const _` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1332:13 [INFO] [stderr] | [INFO] [stderr] 1332 | qoid.as_ptr(), [INFO] [stderr] | ^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut i32` [INFO] [stderr] found type `*const i32` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1333:13 [INFO] [stderr] | [INFO] [stderr] 1333 | qoid.len() as u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ expected i32, found u32 [INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit [INFO] [stderr] | [INFO] [stderr] 1333 | (qoid.len() as u32).try_into().unwrap(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sysctl-0.2.0/src/lib.rs:1336:13 [INFO] [stderr] | [INFO] [stderr] 1336 | ptr::null(), [INFO] [stderr] | ^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `*mut libc::c_void` [INFO] [stderr] found type `*const _` [INFO] [stderr] [INFO] [stderr] error: aborting due to 23 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `sysctl`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "96c1bebf936dda67e8005d4f31b5b069f0fdbefe4e0711547991c7a7f9707fcd"` [INFO] running `"docker" "rm" "-f" "96c1bebf936dda67e8005d4f31b5b069f0fdbefe4e0711547991c7a7f9707fcd"` [INFO] [stdout] 96c1bebf936dda67e8005d4f31b5b069f0fdbefe4e0711547991c7a7f9707fcd