Dec 18 09:39:12.230 INFO checking uuid_v1_variant-0.1.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:39:12.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/uuid_v1_variant/0.1.4:/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 18 09:39:12.626 INFO [stdout] 26653b0c2a0963e59a6b2796eeeceb61f8de769a97b12a3cc1c9e9db35bf9cdf
Dec 18 09:39:12.628 INFO running `"docker" "start" "-a" "26653b0c2a0963e59a6b2796eeeceb61f8de769a97b12a3cc1c9e9db35bf9cdf"`
Dec 18 09:39:14.288 INFO [stderr]     Checking eui48 v0.3.2
Dec 18 09:39:14.806 INFO [stderr]     Checking uuid_v1_variant v0.1.4 (/opt/crater/workdir)
Dec 18 09:39:15.158 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 18 09:39:15.158 INFO [stderr]  --> src/lib.rs:3:1
Dec 18 09:39:15.158 INFO [stderr]   |
Dec 18 09:39:15.159 INFO [stderr] 3 | extern crate libc;
Dec 18 09:39:15.159 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 18 09:39:15.159 INFO [stderr]   |
Dec 18 09:39:15.160 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 09:39:15.160 INFO [stderr] 
Dec 18 09:39:15.161 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 18 09:39:15.161 INFO [stderr]  --> src/lib.rs:8:12
Dec 18 09:39:15.161 INFO [stderr]   |
Dec 18 09:39:15.161 INFO [stderr] 8 | use libc::{c_char};
Dec 18 09:39:15.161 INFO [stderr]   |            ^^^^^^
Dec 18 09:39:15.161 INFO [stderr]   |
Dec 18 09:39:15.161 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 09:39:15.161 INFO [stderr] 
Dec 18 09:39:15.161 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 18 09:39:15.161 INFO [stderr]   --> src/lib.rs:23:40
Dec 18 09:39:15.161 INFO [stderr]    |
Dec 18 09:39:15.161 INFO [stderr] 23 | pub extern fn uuid_gen_new(ptr: *const c_char) -> *mut UUIDGen {
Dec 18 09:39:15.161 INFO [stderr]    |                                        ^^^^^^
Dec 18 09:39:15.168 INFO [stderr]    |
Dec 18 09:39:15.168 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 09:39:15.168 INFO [stderr] 
Dec 18 09:39:15.190 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 18 09:39:15.190 INFO [stderr]  --> src/lib.rs:3:1
Dec 18 09:39:15.190 INFO [stderr]   |
Dec 18 09:39:15.190 INFO [stderr] 3 | extern crate libc;
Dec 18 09:39:15.191 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 18 09:39:15.191 INFO [stderr]   |
Dec 18 09:39:15.191 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 09:39:15.191 INFO [stderr] 
Dec 18 09:39:15.191 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 18 09:39:15.191 INFO [stderr]  --> src/lib.rs:8:12
Dec 18 09:39:15.191 INFO [stderr]   |
Dec 18 09:39:15.191 INFO [stderr] 8 | use libc::{c_char};
Dec 18 09:39:15.191 INFO [stderr]   |            ^^^^^^
Dec 18 09:39:15.191 INFO [stderr]   |
Dec 18 09:39:15.191 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 09:39:15.191 INFO [stderr] 
Dec 18 09:39:15.191 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 18 09:39:15.191 INFO [stderr]   --> src/lib.rs:23:40
Dec 18 09:39:15.191 INFO [stderr]    |
Dec 18 09:39:15.191 INFO [stderr] 23 | pub extern fn uuid_gen_new(ptr: *const c_char) -> *mut UUIDGen {
Dec 18 09:39:15.191 INFO [stderr]    |                                        ^^^^^^
Dec 18 09:39:15.191 INFO [stderr]    |
Dec 18 09:39:15.191 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 09:39:15.191 INFO [stderr] 
Dec 18 09:39:15.313 INFO [stderr] error: aborting due to 3 previous errors
Dec 18 09:39:15.313 INFO [stderr] 
Dec 18 09:39:15.313 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 09:39:15.321 INFO [stderr] error: Could not compile `uuid_v1_variant`.
Dec 18 09:39:15.321 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 09:39:15.324 INFO [stderr] error: aborting due to 3 previous errors
Dec 18 09:39:15.324 INFO [stderr] 
Dec 18 09:39:15.324 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 09:39:15.335 INFO [stderr] error: Could not compile `uuid_v1_variant`.
Dec 18 09:39:15.335 INFO [stderr] 
Dec 18 09:39:15.335 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 09:39:16.422 INFO running `"docker" "inspect" "26653b0c2a0963e59a6b2796eeeceb61f8de769a97b12a3cc1c9e9db35bf9cdf"`
Dec 18 09:39:16.696 INFO running `"docker" "rm" "-f" "26653b0c2a0963e59a6b2796eeeceb61f8de769a97b12a3cc1c9e9db35bf9cdf"`
Dec 18 09:39:17.024 INFO [stdout] 26653b0c2a0963e59a6b2796eeeceb61f8de769a97b12a3cc1c9e9db35bf9cdf