[INFO] fetching crate cryptix-ecc 0.1.0...
[INFO] checking cryptix-ecc-0.1.0 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate cryptix-ecc 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cryptix-ecc 0.1.0 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cryptix-ecc 0.1.0
[INFO] finished tweaking crates.io crate cryptix-ecc 0.1.0
[INFO] tweaked toml for crates.io crate cryptix-ecc 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding hex-literal v0.3.4 (available: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cryptix-bigint v0.1.0
[INFO] [stderr]   Downloaded cryptix-field v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b812538b8a0c3e99135e2655117fb91eb3ab2918570b4ba1c6671f20291f1eac
[INFO] running `Command { std: "docker" "start" "-a" "b812538b8a0c3e99135e2655117fb91eb3ab2918570b4ba1c6671f20291f1eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b812538b8a0c3e99135e2655117fb91eb3ab2918570b4ba1c6671f20291f1eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b812538b8a0c3e99135e2655117fb91eb3ab2918570b4ba1c6671f20291f1eac", kill_on_drop: false }`
[INFO] [stdout] b812538b8a0c3e99135e2655117fb91eb3ab2918570b4ba1c6671f20291f1eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca654b5ca8d15b60926ed05171fc1e80b4db66ca637bb3cbab1898a4c3da7d9
[INFO] running `Command { std: "docker" "start" "-a" "fca654b5ca8d15b60926ed05171fc1e80b4db66ca637bb3cbab1898a4c3da7d9", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking cryptix-bigint v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `const_slice_index`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cryptix-bigint-0.1.0/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_slice_index)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptix-bigint` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fca654b5ca8d15b60926ed05171fc1e80b4db66ca637bb3cbab1898a4c3da7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca654b5ca8d15b60926ed05171fc1e80b4db66ca637bb3cbab1898a4c3da7d9", kill_on_drop: false }`
[INFO] [stdout] fca654b5ca8d15b60926ed05171fc1e80b4db66ca637bb3cbab1898a4c3da7d9
