[INFO] crate blake2b256-balloon 0.1.0 is already in cache
[INFO] checking blake2b256-balloon-0.1.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate blake2b256-balloon 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate blake2b256-balloon 0.1.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate blake2b256-balloon 0.1.0
[INFO] finished tweaking crates.io crate blake2b256-balloon 0.1.0
[INFO] tweaked toml for crates.io crate blake2b256-balloon 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 05e15e870c3534986f045b7a3a96de06faf5c237f9282e0b8ed3d0437d33be1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "05e15e870c3534986f045b7a3a96de06faf5c237f9282e0b8ed3d0437d33be1d"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling property v0.2.2
[INFO] [stderr]    Compiling slices-hack v0.1.1
[INFO] [stderr]     Checking balloons v0.1.0
[INFO] [stderr]     Checking blake2b256-balloon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/kernel.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/kernel.rs:139:44
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking slices v0.1.1
[INFO] [stderr] error[E0277]: the trait bound `u64: std::convert::From<i32>` is not satisfied
[INFO] [stderr]   --> examples/balloon.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stderr]    |             ^^^^^^^^^^ the trait `std::convert::From<i32>` is not implemented for `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <u64 as std::convert::From<bool>>
[INFO] [stderr]              <u64 as std::convert::From<std::num::NonZeroU64>>
[INFO] [stderr]              <u64 as std::convert::From<u16>>
[INFO] [stderr]              <u64 as std::convert::From<u32>>
[INFO] [stderr]              <u64 as std::convert::From<u8>>
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::Into<u64>` for `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `u64: std::convert::From<i32>` is not satisfied
[INFO] [stderr]   --> examples/balloon.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stderr]    |                            ^^^^^^^^^ the trait `std::convert::From<i32>` is not implemented for `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <u64 as std::convert::From<bool>>
[INFO] [stderr]              <u64 as std::convert::From<std::num::NonZeroU64>>
[INFO] [stderr]              <u64 as std::convert::From<u16>>
[INFO] [stderr]              <u64 as std::convert::From<u32>>
[INFO] [stderr]              <u64 as std::convert::From<u8>>
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::Into<u64>` for `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `u64: std::convert::From<i32>` is not satisfied
[INFO] [stderr]   --> examples/balloon.rs:13:42
[INFO] [stderr]    |
[INFO] [stderr] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stderr]    |                                          ^^^^^ the trait `std::convert::From<i32>` is not implemented for `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <u64 as std::convert::From<bool>>
[INFO] [stderr]              <u64 as std::convert::From<std::num::NonZeroU64>>
[INFO] [stderr]              <u64 as std::convert::From<u16>>
[INFO] [stderr]              <u64 as std::convert::From<u32>>
[INFO] [stderr]              <u64 as std::convert::From<u8>>
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::Into<u64>` for `i32`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `blake2b256-balloon`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/kernel.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/kernel.rs:139:44
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "05e15e870c3534986f045b7a3a96de06faf5c237f9282e0b8ed3d0437d33be1d"`
[INFO] running `"docker" "rm" "-f" "05e15e870c3534986f045b7a3a96de06faf5c237f9282e0b8ed3d0437d33be1d"`
[INFO] [stdout] 05e15e870c3534986f045b7a3a96de06faf5c237f9282e0b8ed3d0437d33be1d