[INFO] cloning repository https://github.com/slightknack/sileno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slightknack/sileno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Fsileno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Fsileno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73c3b21ef5c5f9b00b35f883e8d3a4d2dbb65ab5
[INFO] checking slightknack/sileno against try#2e32e486ee7945e4b905ff82d6bf81ef77d60daa for pr-113895-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Fsileno" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slightknack/sileno on toolchain 2e32e486ee7945e4b905ff82d6bf81ef77d60daa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e32e486ee7945e4b905ff82d6bf81ef77d60daa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slightknack/sileno
[INFO] finished tweaking git repo https://github.com/slightknack/sileno
[INFO] tweaked toml for git repo https://github.com/slightknack/sileno written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/slightknack/sileno 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" "+2e32e486ee7945e4b905ff82d6bf81ef77d60daa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+2e32e486ee7945e4b905ff82d6bf81ef77d60daa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27acd4846d017013bb88e45831ff506476b56990b748cd46b40763817bf6f17d
[INFO] running `Command { std: "docker" "start" "-a" "27acd4846d017013bb88e45831ff506476b56990b748cd46b40763817bf6f17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27acd4846d017013bb88e45831ff506476b56990b748cd46b40763817bf6f17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27acd4846d017013bb88e45831ff506476b56990b748cd46b40763817bf6f17d", kill_on_drop: false }`
[INFO] [stdout] 27acd4846d017013bb88e45831ff506476b56990b748cd46b40763817bf6f17d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+2e32e486ee7945e4b905ff82d6bf81ef77d60daa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6247e9ce310e4be14a292a91de40613cf37926246850434f7ee2d33e8b4f227e
[INFO] running `Command { std: "docker" "start" "-a" "6247e9ce310e4be14a292a91de40613cf37926246850434f7ee2d33e8b4f227e", kill_on_drop: false }`
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[INFO] [stdout] error[E0119]: conflicting implementations of trait `From<<<<Secp256k1 as ProjectiveArithmetic>::ProjectivePoint as Group>::Scalar as PrimeField>::ReprBits>` for type `bitvec::array::BitArray<bitvec::order::Lsb0, <<<Secp256k1 as ProjectiveArithmetic>::ProjectivePoint as Group>::Scalar as PrimeField>::ReprBits>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/k256-0.7.1/src/arithmetic/scalar.rs:517:1
[INFO] [stdout]     |
[INFO] [stdout] 517 | impl From<&Scalar> for ScalarBits {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: conflicting implementation in crate `bitvec`:
[INFO] [stdout]             - impl<O, V> From<V> for bitvec::array::BitArray<O, V>
[INFO] [stdout]               where O: bitvec::order::BitOrder, V: BitView;
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `From<<<<Secp256k1 as ProjectiveArithmetic>::ProjectivePoint as Group>::Scalar as PrimeField>::ReprBits>` for type `bitvec::array::BitArray<bitvec::order::Lsb0, <<<Secp256k1 as ProjectiveArithmetic>::ProjectivePoint as Group>::Scalar as PrimeField>::ReprBits>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/k256-0.7.1/src/arithmetic/scalar/scalar_4x64.rs:423:1
[INFO] [stdout]     |
[INFO] [stdout] 423 | impl From<Scalar4x64> for ScalarBits {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: conflicting implementation in crate `bitvec`:
[INFO] [stdout]             - impl<O, V> From<V> for bitvec::array::BitArray<O, V>
[INFO] [stdout]               where O: bitvec::order::BitOrder, V: BitView;
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `k256` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6247e9ce310e4be14a292a91de40613cf37926246850434f7ee2d33e8b4f227e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6247e9ce310e4be14a292a91de40613cf37926246850434f7ee2d33e8b4f227e", kill_on_drop: false }`
[INFO] [stdout] 6247e9ce310e4be14a292a91de40613cf37926246850434f7ee2d33e8b4f227e