[INFO] fetching crate blake2b256-balloon 0.1.0...
[INFO] checking blake2b256-balloon-0.1.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate blake2b256-balloon 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate blake2b256-balloon 0.1.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded faster-hex v0.4.1
[INFO] [stderr]   Downloaded property v0.2.2
[INFO] [stderr]   Downloaded blake2b-rs v0.1.5
[INFO] [stderr]   Downloaded slices-hack v0.1.1
[INFO] [stderr]   Downloaded balloons v0.1.0
[INFO] [stderr]   Downloaded slices v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9374ae11db275cbedd4e255f789cf9d4ed169a89308b285abdf159bbc4822688
[INFO] running `Command { std: "docker" "start" "-a" "9374ae11db275cbedd4e255f789cf9d4ed169a89308b285abdf159bbc4822688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9374ae11db275cbedd4e255f789cf9d4ed169a89308b285abdf159bbc4822688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9374ae11db275cbedd4e255f789cf9d4ed169a89308b285abdf159bbc4822688", kill_on_drop: false }`
[INFO] [stdout] 9374ae11db275cbedd4e255f789cf9d4ed169a89308b285abdf159bbc4822688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2562166fdbc56bd4dd57f41302d046d1e32b2217715212c4eb48c644ba34204b
[INFO] running `Command { std: "docker" "start" "-a" "2562166fdbc56bd4dd57f41302d046d1e32b2217715212c4eb48c644ba34204b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling property v0.2.2
[INFO] [stderr]    Compiling slices-hack v0.1.1
[INFO] [stderr]     Checking slices v0.1.1
[INFO] [stderr]     Checking balloons v0.1.0
[INFO] [stderr]     Checking blake2b256-balloon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/kernel.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/kernel.rs:139:49
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/kernel.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/kernel.rs:139:49
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u64; 4]` does not permit being left uninitialized
[INFO] [stdout]   --> src/kernel.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       this code causes undefined behavior when executed
[INFO] [stdout]    |                                       help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 32]` does not permit being left uninitialized
[INFO] [stdout]    --> src/kernel.rs:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u64; 4]` does not permit being left uninitialized
[INFO] [stdout]   --> src/kernel.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       this code causes undefined behavior when executed
[INFO] [stdout]    |                                       help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 32]` does not permit being left uninitialized
[INFO] [stdout]    --> src/kernel.rs:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u64: From<i32>` is not satisfied
[INFO] [stdout]   --> examples/balloon.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stdout]    |             ---------- ^^ the trait `From<i32>` is not implemented for `u64`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<char>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]    = note: required for `i32` to implement `Into<u64>`
[INFO] [stdout] note: required by a bound in `BalloonBuilder::space_cost`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/balloons-0.1.0/src/balloon.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Property)]
[INFO] [stdout]    |          ^^^^^^^^ required by this bound in `BalloonBuilder::space_cost`
[INFO] [stdout] ...
[INFO] [stdout] 40 |     space_cost: u64,
[INFO] [stdout]    |     ---------- required by a bound in this associated function
[INFO] [stdout]    = note: this error originates in the derive macro `Property` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u64: From<i32>` is not satisfied
[INFO] [stdout]   --> examples/balloon.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stdout]    |                            --------- ^^ the trait `From<i32>` is not implemented for `u64`
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<char>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]    = note: required for `i32` to implement `Into<u64>`
[INFO] [stdout] note: required by a bound in `BalloonBuilder::time_cost`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/balloons-0.1.0/src/balloon.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Property)]
[INFO] [stdout]    |          ^^^^^^^^ required by this bound in `BalloonBuilder::time_cost`
[INFO] [stdout] ...
[INFO] [stdout] 41 |     time_cost: u64,
[INFO] [stdout]    |     --------- required by a bound in this associated function
[INFO] [stdout]    = note: this error originates in the derive macro `Property` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u64: From<i32>` is not satisfied
[INFO] [stdout]   --> examples/balloon.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stdout]    |                                          ----- ^ the trait `From<i32>` is not implemented for `u64`
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<char>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]    = note: required for `i32` to implement `Into<u64>`
[INFO] [stdout] note: required by a bound in `BalloonBuilder::delta`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/balloons-0.1.0/src/balloon.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Property)]
[INFO] [stdout]    |          ^^^^^^^^ required by this bound in `BalloonBuilder::delta`
[INFO] [stdout] ...
[INFO] [stdout] 42 |     delta: u64,
[INFO] [stdout]    |     ----- required by a bound in this associated function
[INFO] [stdout]    = note: this error originates in the derive macro `Property` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blake2b256-balloon` (example "balloon") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2562166fdbc56bd4dd57f41302d046d1e32b2217715212c4eb48c644ba34204b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2562166fdbc56bd4dd57f41302d046d1e32b2217715212c4eb48c644ba34204b", kill_on_drop: false }`
[INFO] [stdout] 2562166fdbc56bd4dd57f41302d046d1e32b2217715212c4eb48c644ba34204b
[INFO] checking blake2b256-balloon-0.1.0 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate blake2b256-balloon 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate blake2b256-balloon 0.1.0 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ec90a852f809fede720c3060ff7bda1dc532a7897805d1713b93602fe5428cb
[INFO] running `Command { std: "docker" "start" "-a" "9ec90a852f809fede720c3060ff7bda1dc532a7897805d1713b93602fe5428cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ec90a852f809fede720c3060ff7bda1dc532a7897805d1713b93602fe5428cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec90a852f809fede720c3060ff7bda1dc532a7897805d1713b93602fe5428cb", kill_on_drop: false }`
[INFO] [stdout] 9ec90a852f809fede720c3060ff7bda1dc532a7897805d1713b93602fe5428cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0c5e9842f7e6c683f339d066a1ea81aa2d3ea4a035a982ab56f35f2c72d84a1
[INFO] running `Command { std: "docker" "start" "-a" "c0c5e9842f7e6c683f339d066a1ea81aa2d3ea4a035a982ab56f35f2c72d84a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling property v0.2.2
[INFO] [stderr]    Compiling slices-hack v0.1.1
[INFO] [stderr]     Checking slices v0.1.1
[INFO] [stderr]     Checking balloons v0.1.0
[INFO] [stderr]     Checking blake2b256-balloon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/kernel.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/kernel.rs:139:49
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/kernel.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/kernel.rs:139:49
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u64; 4]` does not permit being left uninitialized
[INFO] [stdout]   --> src/kernel.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       this code causes undefined behavior when executed
[INFO] [stdout]    |                                       help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 32]` does not permit being left uninitialized
[INFO] [stdout]    --> src/kernel.rs:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u64; 4]` does not permit being left uninitialized
[INFO] [stdout]   --> src/kernel.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut inner: [u64; 4] = mem::uninitialized();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       this code causes undefined behavior when executed
[INFO] [stdout]    |                                       help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 32]` does not permit being left uninitialized
[INFO] [stdout]    --> src/kernel.rs:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u64: From<i32>` is not satisfied
[INFO] [stdout]   --> examples/balloon.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stdout]    |             ---------- ^^ the trait `From<i32>` is not implemented for `u64`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<char>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]    = note: required for `i32` to implement `Into<u64>`
[INFO] [stdout] note: required by a bound in `BalloonBuilder::space_cost`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/balloons-0.1.0/src/balloon.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Property)]
[INFO] [stdout]    |          ^^^^^^^^ required by this bound in `BalloonBuilder::space_cost`
[INFO] [stdout] ...
[INFO] [stdout] 40 |     space_cost: u64,
[INFO] [stdout]    |     ---------- required by a bound in this associated function
[INFO] [stdout]    = note: this error originates in the derive macro `Property` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u64: From<i32>` is not satisfied
[INFO] [stdout]   --> examples/balloon.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stdout]    |                            --------- ^^ the trait `From<i32>` is not implemented for `u64`
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<char>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]    = note: required for `i32` to implement `Into<u64>`
[INFO] [stdout] note: required by a bound in `BalloonBuilder::time_cost`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/balloons-0.1.0/src/balloon.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Property)]
[INFO] [stdout]    |          ^^^^^^^^ required by this bound in `BalloonBuilder::time_cost`
[INFO] [stdout] ...
[INFO] [stdout] 41 |     time_cost: u64,
[INFO] [stdout]    |     --------- required by a bound in this associated function
[INFO] [stdout]    = note: this error originates in the derive macro `Property` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u64: From<i32>` is not satisfied
[INFO] [stdout]   --> examples/balloon.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 |     builder.space_cost(32).time_cost(40).delta(8);
[INFO] [stdout]    |                                          ----- ^ the trait `From<i32>` is not implemented for `u64`
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<char>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]    = note: required for `i32` to implement `Into<u64>`
[INFO] [stdout] note: required by a bound in `BalloonBuilder::delta`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/balloons-0.1.0/src/balloon.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[derive(Property)]
[INFO] [stdout]    |          ^^^^^^^^ required by this bound in `BalloonBuilder::delta`
[INFO] [stdout] ...
[INFO] [stdout] 42 |     delta: u64,
[INFO] [stdout]    |     ----- required by a bound in this associated function
[INFO] [stdout]    = note: this error originates in the derive macro `Property` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blake2b256-balloon` (example "balloon") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c0c5e9842f7e6c683f339d066a1ea81aa2d3ea4a035a982ab56f35f2c72d84a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c5e9842f7e6c683f339d066a1ea81aa2d3ea4a035a982ab56f35f2c72d84a1", kill_on_drop: false }`
[INFO] [stdout] c0c5e9842f7e6c683f339d066a1ea81aa2d3ea4a035a982ab56f35f2c72d84a1
