[INFO] cloning repository https://github.com/BEULAHEVANJALIN/ecc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BEULAHEVANJALIN/ecc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBEULAHEVANJALIN%2Fecc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBEULAHEVANJALIN%2Fecc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fac34d0f3e8a2334940147717c62494620fbd487
[INFO] checking BEULAHEVANJALIN/ecc-rs against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBEULAHEVANJALIN%2Fecc-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/BEULAHEVANJALIN/ecc-rs
[INFO] finished tweaking git repo https://github.com/BEULAHEVANJALIN/ecc-rs
[INFO] tweaked toml for git repo https://github.com/BEULAHEVANJALIN/ecc-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BEULAHEVANJALIN/ecc-rs on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BEULAHEVANJALIN/ecc-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 731f039c548bbb3b9c12a24bf5bf46fce9b4d32fd631667f86cae39c71c96898
[INFO] running `Command { std: "docker" "start" "-a" "731f039c548bbb3b9c12a24bf5bf46fce9b4d32fd631667f86cae39c71c96898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "731f039c548bbb3b9c12a24bf5bf46fce9b4d32fd631667f86cae39c71c96898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731f039c548bbb3b9c12a24bf5bf46fce9b4d32fd631667f86cae39c71c96898", kill_on_drop: false }`
[INFO] [stdout] 731f039c548bbb3b9c12a24bf5bf46fce9b4d32fd631667f86cae39c71c96898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e3d72cd3b051bd4e9cebdda052fa80e5f28a0131b1f119a85807f9b402e8f14
[INFO] running `Command { std: "docker" "start" "-a" "7e3d72cd3b051bd4e9cebdda052fa80e5f28a0131b1f119a85807f9b402e8f14", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]     Checking ecc-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::panic::Location`
[INFO] [stdout]  --> src/u256.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::panic::Location;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `bigint_helper_methods`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bigint_helper_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ecc-rs` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7e3d72cd3b051bd4e9cebdda052fa80e5f28a0131b1f119a85807f9b402e8f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3d72cd3b051bd4e9cebdda052fa80e5f28a0131b1f119a85807f9b402e8f14", kill_on_drop: false }`
[INFO] [stdout] 7e3d72cd3b051bd4e9cebdda052fa80e5f28a0131b1f119a85807f9b402e8f14
