[INFO] fetching crate blake2b256-balloon 0.1.0...
[INFO] testing blake2b256-balloon-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate blake2b256-balloon 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate blake2b256-balloon 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0060c9021b5deea5004f8afd6700c4669d926e3af68f2475cb7739e471dbc81
[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" "c0060c9021b5deea5004f8afd6700c4669d926e3af68f2475cb7739e471dbc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0060c9021b5deea5004f8afd6700c4669d926e3af68f2475cb7739e471dbc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0060c9021b5deea5004f8afd6700c4669d926e3af68f2475cb7739e471dbc81", kill_on_drop: false }`
[INFO] [stdout] c0060c9021b5deea5004f8afd6700c4669d926e3af68f2475cb7739e471dbc81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e40a0cffd2a662733154af62744943d0453c568254adf26bf7bd5d6262117e4c
[INFO] running `Command { std: "docker" "start" "-a" "e40a0cffd2a662733154af62744943d0453c568254adf26bf7bd5d6262117e4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling property v0.2.2
[INFO] [stderr]    Compiling balloons v0.1.0
[INFO] [stderr]    Compiling 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:42:39
[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:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "e40a0cffd2a662733154af62744943d0453c568254adf26bf7bd5d6262117e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40a0cffd2a662733154af62744943d0453c568254adf26bf7bd5d6262117e4c", kill_on_drop: false }`
[INFO] [stdout] e40a0cffd2a662733154af62744943d0453c568254adf26bf7bd5d6262117e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8bd9e76674924e410833e27829a4d9e7b58dab57b57c2bfdbf226bcb4292e50
[INFO] running `Command { std: "docker" "start" "-a" "a8bd9e76674924e410833e27829a4d9e7b58dab57b57c2bfdbf226bcb4292e50", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[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]    = 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:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut inner: [u8; 32] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slices-hack v0.1.1
[INFO] [stderr]    Compiling slices v0.1.1
[INFO] [stderr]    Compiling 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:42:39
[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:139:44
[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:13:13
[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]    = help: the following implementations were found:
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<u64>` for `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u64: From<i32>` is not satisfied
[INFO] [stdout]   --> examples/balloon.rs:13:28
[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]    = help: the following implementations were found:
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<u64>` for `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u64: From<i32>` is not satisfied
[INFO] [stdout]   --> examples/balloon.rs:13:42
[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]    = help: the following implementations were found:
[INFO] [stdout]              <u64 as From<NonZeroU64>>
[INFO] [stdout]              <u64 as From<bool>>
[INFO] [stdout]              <u64 as From<u16>>
[INFO] [stdout]              <u64 as From<u32>>
[INFO] [stdout]              <u64 as From<u8>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<u64>` for `i32`
[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`
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a8bd9e76674924e410833e27829a4d9e7b58dab57b57c2bfdbf226bcb4292e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bd9e76674924e410833e27829a4d9e7b58dab57b57c2bfdbf226bcb4292e50", kill_on_drop: false }`
[INFO] [stdout] a8bd9e76674924e410833e27829a4d9e7b58dab57b57c2bfdbf226bcb4292e50