Dec 17 22:00:17.726 INFO checking jswrenn/basicb against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:00:17.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jswrenn/basicb:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:00:18.090 INFO [stdout] d3daa3c03f0aeb042e349909010ea90a7d4be0d2afe8ab51804f00224a3d2900
Dec 17 22:00:18.092 INFO running `"docker" "start" "-a" "d3daa3c03f0aeb042e349909010ea90a7d4be0d2afe8ab51804f00224a3d2900"`
Dec 17 22:00:19.965 INFO [stderr]    Compiling dimensioned v0.6.0
Dec 17 22:00:19.965 INFO [stderr]     Checking generic-array v0.5.1
Dec 17 22:00:19.976 INFO [stderr]    Compiling structopt-derive v0.2.6
Dec 17 22:00:23.220 INFO [stderr]     Checking structopt v0.2.6
Dec 17 22:00:30.195 INFO [stderr]     Checking beep v0.2.0
Dec 17 22:00:30.478 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 17 22:00:30.478 INFO [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/beep-0.2.0/src/lib.rs:2:1
Dec 17 22:00:30.478 INFO [stderr]   |
Dec 17 22:00:30.479 INFO [stderr] 2 | extern crate libc;
Dec 17 22:00:30.479 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 17 22:00:30.479 INFO [stderr]   |
Dec 17 22:00:30.479 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 17 22:00:30.480 INFO [stderr] 
Dec 17 22:00:30.480 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 17 22:00:30.480 INFO [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/beep-0.2.0/src/lib.rs:8:5
Dec 17 22:00:30.481 INFO [stderr]   |
Dec 17 22:00:30.481 INFO [stderr] 8 | use libc::ioctl;
Dec 17 22:00:30.481 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 22:00:30.481 INFO [stderr]   |
Dec 17 22:00:30.482 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 17 22:00:30.482 INFO [stderr] 
Dec 17 22:00:30.482 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 17 22:00:30.483 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/beep-0.2.0/src/lib.rs:53:5
Dec 17 22:00:30.483 INFO [stderr]    |
Dec 17 22:00:30.483 INFO [stderr] 53 |     ioctl(DEVICE.as_raw_fd(), KIOCSOUND,
Dec 17 22:00:30.483 INFO [stderr]    |     ^^^^^
Dec 17 22:00:30.484 INFO [stderr]    |
Dec 17 22:00:30.484 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 17 22:00:30.484 INFO [stderr] 
Dec 17 22:00:30.542 INFO [stderr] error: aborting due to 3 previous errors
Dec 17 22:00:30.542 INFO [stderr] 
Dec 17 22:00:30.542 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 17 22:00:30.552 INFO [stderr] error: Could not compile `beep`.
Dec 17 22:00:30.552 INFO [stderr] 
Dec 17 22:00:30.552 INFO [stderr] To learn more, run the command again with --verbose.
Dec 17 22:00:31.608 INFO running `"docker" "inspect" "d3daa3c03f0aeb042e349909010ea90a7d4be0d2afe8ab51804f00224a3d2900"`
Dec 17 22:00:31.960 INFO running `"docker" "rm" "-f" "d3daa3c03f0aeb042e349909010ea90a7d4be0d2afe8ab51804f00224a3d2900"`
Dec 17 22:00:32.344 INFO [stdout] d3daa3c03f0aeb042e349909010ea90a7d4be0d2afe8ab51804f00224a3d2900