[INFO] fetching crate cupi_shift 0.1.0...
[INFO] checking cupi_shift-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate cupi_shift 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cupi_shift 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cupi_shift 0.1.0
[INFO] finished tweaking crates.io crate cupi_shift 0.1.0
[INFO] tweaked toml for crates.io crate cupi_shift 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded cupi v0.1.0
[INFO] [stderr]   Downloaded spidev v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cd2fc585eeb99b9b95e8e5f8415fd4762c2e5536fc9ce91fdc5dcaf0f423656
[INFO] running `Command { std: "docker" "start" "-a" "4cd2fc585eeb99b9b95e8e5f8415fd4762c2e5536fc9ce91fdc5dcaf0f423656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cd2fc585eeb99b9b95e8e5f8415fd4762c2e5536fc9ce91fdc5dcaf0f423656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd2fc585eeb99b9b95e8e5f8415fd4762c2e5536fc9ce91fdc5dcaf0f423656", kill_on_drop: false }`
[INFO] [stdout] 4cd2fc585eeb99b9b95e8e5f8415fd4762c2e5536fc9ce91fdc5dcaf0f423656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b2b52db4b7d05af0818f2877ba99b462887361ab97a7c489e4a045f6de92689
[INFO] running `Command { std: "docker" "start" "-a" "9b2b52db4b7d05af0818f2877ba99b462887361ab97a7c489e4a045f6de92689", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking spidev v0.4.1
[INFO] [stderr]     Checking cupi v0.1.0
[INFO] [stdout] error[E0432]: unresolved import `nix::sys::ioctl::libc`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cupi-0.1.0/src/lib.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 | use nix::sys::ioctl::libc::geteuid;
[INFO] [stdout]    |                      ^^^^ could not find `libc` in `ioctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cupi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9b2b52db4b7d05af0818f2877ba99b462887361ab97a7c489e4a045f6de92689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2b52db4b7d05af0818f2877ba99b462887361ab97a7c489e4a045f6de92689", kill_on_drop: false }`
[INFO] [stdout] 9b2b52db4b7d05af0818f2877ba99b462887361ab97a7c489e4a045f6de92689