[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFriendsFerdinand%2Fbitcoin-utilities" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FriendsFerdinand/bitcoin-utilities on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", 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] e7773c4a732e33f8ad20a0b2b0e8f3008fe9439d5d6ab8feceddbf3a57869713
[INFO] running `Command { std: "docker" "start" "-a" "e7773c4a732e33f8ad20a0b2b0e8f3008fe9439d5d6ab8feceddbf3a57869713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7773c4a732e33f8ad20a0b2b0e8f3008fe9439d5d6ab8feceddbf3a57869713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7773c4a732e33f8ad20a0b2b0e8f3008fe9439d5d6ab8feceddbf3a57869713", kill_on_drop: false }`
[INFO] [stdout] e7773c4a732e33f8ad20a0b2b0e8f3008fe9439d5d6ab8feceddbf3a57869713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] fef02e8af12280726b48a100bb32f8dba52c81d6e3411a547457133bcf561b7a
[INFO] running `Command { std: "docker" "start" "-a" "fef02e8af12280726b48a100bb32f8dba52c81d6e3411a547457133bcf561b7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling const_fn_assert v0.1.2
[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] [stderr] error: could not compile `bitcoin_util` due to 2 previous errors; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fef02e8af12280726b48a100bb32f8dba52c81d6e3411a547457133bcf561b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef02e8af12280726b48a100bb32f8dba52c81d6e3411a547457133bcf561b7a", kill_on_drop: false }`
[INFO] [stdout] fef02e8af12280726b48a100bb32f8dba52c81d6e3411a547457133bcf561b7a