[INFO] cloning repository https://github.com/xxai-art/ub64
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xxai-art/ub64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxai-art%2Fub64", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxai-art%2Fub64'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8483f9bb97c5b43fe821bbf28f43cc9d7c913c16
[INFO] checking xxai-art/ub64 against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxai-art%2Fub64" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xxai-art/ub64 on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xxai-art/ub64
[INFO] finished tweaking git repo https://github.com/xxai-art/ub64
[INFO] tweaked toml for git repo https://github.com/xxai-art/ub64 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xxai-art/ub64 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vbyte v0.1.0
[INFO] [stderr]   Downloaded intbin v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18ef65d013a090a69ec787f1f5fcadc4074945ee495624c64e84e0ccc0075cad
[INFO] running `Command { std: "docker" "start" "-a" "18ef65d013a090a69ec787f1f5fcadc4074945ee495624c64e84e0ccc0075cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18ef65d013a090a69ec787f1f5fcadc4074945ee495624c64e84e0ccc0075cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ef65d013a090a69ec787f1f5fcadc4074945ee495624c64e84e0ccc0075cad", kill_on_drop: false }`
[INFO] [stdout] 18ef65d013a090a69ec787f1f5fcadc4074945ee495624c64e84e0ccc0075cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2b862eb23968c446c7abbb6849ef2f78a9c1d97604c62b77c8f780b66d6f7d6
[INFO] running `Command { std: "docker" "start" "-a" "c2b862eb23968c446c7abbb6849ef2f78a9c1d97604c62b77c8f780b66d6f7d6", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking ub64 v0.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `ub64::b64_u64`, `ub64::u64_b64`
[INFO] [stdout]   --> tests/main.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use ub64::{b64_u64, b64d, b64e, u64_b64};
[INFO] [stdout]    |            ^^^^^^^              ^^^^^^^ no `u64_b64` in the root
[INFO] [stdout]    |            |
[INFO] [stdout]    |            no `b64_u64` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use u64::{b64_u64, u64_b64};
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] note: the item is gated behind the `u64` feature
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(feature = "u64")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use u64::{b64_u64, u64_b64};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] note: the item is gated behind the `u64` feature
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(feature = "u64")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ub64` (test "main") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c2b862eb23968c446c7abbb6849ef2f78a9c1d97604c62b77c8f780b66d6f7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b862eb23968c446c7abbb6849ef2f78a9c1d97604c62b77c8f780b66d6f7d6", kill_on_drop: false }`
[INFO] [stdout] c2b862eb23968c446c7abbb6849ef2f78a9c1d97604c62b77c8f780b66d6f7d6