[INFO] fetching crate blake2b256-balloon 0.1.0...
[INFO] checking blake2b256-balloon-0.1.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate blake2b256-balloon 0.1.0 into /workspace/builds/worker-2-tc2/source
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blake2b256-balloon 0.1.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding blake2b-rs v0.1.5 (available: v0.2.0)
[INFO] [stderr]       Adding slices v0.1.1 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c344c5b237c58316509c13b6379cd678f87b08bd78b81dceb638748471542eea
[INFO] running `Command { std: "docker" "start" "-a" "c344c5b237c58316509c13b6379cd678f87b08bd78b81dceb638748471542eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c344c5b237c58316509c13b6379cd678f87b08bd78b81dceb638748471542eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c344c5b237c58316509c13b6379cd678f87b08bd78b81dceb638748471542eea", kill_on_drop: false }`
[INFO] [stdout] c344c5b237c58316509c13b6379cd678f87b08bd78b81dceb638748471542eea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b66b56c813718f1eb3724b0271ae4e0dd4206fd9d7ab72030a91c16ffa958eea
[INFO] running `Command { std: "docker" "start" "-a" "b66b56c813718f1eb3724b0271ae4e0dd4206fd9d7ab72030a91c16ffa958eea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling quote v1.0.40
[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: 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: 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] 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` implements `From<Char>`
[INFO] [stdout]              `u64` implements `From<bool>`
[INFO] [stdout]              `u64` implements `From<char>`
[INFO] [stdout]              `u64` implements `From<u16>`
[INFO] [stdout]              `u64` implements `From<u32>`
[INFO] [stdout]              `u64` implements `From<u8>`
[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-1949cf8c6b5b557f/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` implements `From<Char>`
[INFO] [stdout]              `u64` implements `From<bool>`
[INFO] [stdout]              `u64` implements `From<char>`
[INFO] [stdout]              `u64` implements `From<u16>`
[INFO] [stdout]              `u64` implements `From<u32>`
[INFO] [stdout]              `u64` implements `From<u8>`
[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-1949cf8c6b5b557f/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` implements `From<Char>`
[INFO] [stdout]              `u64` implements `From<bool>`
[INFO] [stdout]              `u64` implements `From<char>`
[INFO] [stdout]              `u64` implements `From<u16>`
[INFO] [stdout]              `u64` implements `From<u32>`
[INFO] [stdout]              `u64` implements `From<u8>`
[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-1949cf8c6b5b557f/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] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blake2b256-balloon` (example "balloon") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] running `Command { std: "docker" "inspect" "b66b56c813718f1eb3724b0271ae4e0dd4206fd9d7ab72030a91c16ffa958eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66b56c813718f1eb3724b0271ae4e0dd4206fd9d7ab72030a91c16ffa958eea", kill_on_drop: false }`
[INFO] [stdout] b66b56c813718f1eb3724b0271ae4e0dd4206fd9d7ab72030a91c16ffa958eea
