[INFO] cloning repository https://github.com/FriendsFerdinand/bitcoin-utilities
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FriendsFerdinand/bitcoin-utilities" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFriendsFerdinand%2Fbitcoin-utilities", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFriendsFerdinand%2Fbitcoin-utilities'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dae6fba5f7d35f6db608dbacdcb3c47a362eb4c7
[INFO] testing FriendsFerdinand/bitcoin-utilities against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFriendsFerdinand%2Fbitcoin-utilities" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FriendsFerdinand/bitcoin-utilities on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FriendsFerdinand/bitcoin-utilities
[INFO] finished tweaking git repo https://github.com/FriendsFerdinand/bitcoin-utilities
[INFO] tweaked toml for git repo https://github.com/FriendsFerdinand/bitcoin-utilities written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/FriendsFerdinand/bitcoin-utilities already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3becc1cf993a959eafe1da11e97b1bcc50431f14e507f37682233dd296f91116
[INFO] running `Command { std: "docker" "start" "-a" "3becc1cf993a959eafe1da11e97b1bcc50431f14e507f37682233dd296f91116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3becc1cf993a959eafe1da11e97b1bcc50431f14e507f37682233dd296f91116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3becc1cf993a959eafe1da11e97b1bcc50431f14e507f37682233dd296f91116", kill_on_drop: false }`
[INFO] [stdout] 3becc1cf993a959eafe1da11e97b1bcc50431f14e507f37682233dd296f91116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 141c24df5dfb93c730b7b59be8bfae6063a197613605d653c84ee44a739382d6
[INFO] running `Command { std: "docker" "start" "-a" "141c24df5dfb93c730b7b59be8bfae6063a197613605d653c84ee44a739382d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling const_fn_assert v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ibig v0.3.2
[INFO] [stderr]    Compiling bitcoin_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0423]: expected value, found trait `ecc::FieldElementOps`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let a = ecc::FieldElementOps.new(ubig!(4), ubig!(31)).unwrap();
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ecc::FieldElement`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ecc::FieldElement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcoin_util` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "141c24df5dfb93c730b7b59be8bfae6063a197613605d653c84ee44a739382d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141c24df5dfb93c730b7b59be8bfae6063a197613605d653c84ee44a739382d6", kill_on_drop: false }`
[INFO] [stdout] 141c24df5dfb93c730b7b59be8bfae6063a197613605d653c84ee44a739382d6