Dec 14 06:33:33.665 INFO testing Ragnaroek/mithril against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 06:33:33.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:33:34.299 INFO [stdout] 27df03f1b8e15800e493f4ee221c97056341fc3ee960f38052c1e1356b776f6b
Dec 14 06:33:34.307 INFO running `"docker" "start" "-a" "27df03f1b8e15800e493f4ee221c97056341fc3ee960f38052c1e1356b776f6b"`
Dec 14 06:33:35.737 INFO [stderr] usermod: no changes
Dec 14 06:33:35.987 INFO [stderr]    Compiling blake v2.0.0
Dec 14 06:33:35.987 INFO [stderr]    Compiling skein-ffi v0.0.1
Dec 14 06:33:35.995 INFO [stderr]    Compiling jh-ffi v0.0.2
Dec 14 06:33:36.011 INFO [stderr]    Compiling tiny-keccak v1.4.2
Dec 14 06:33:36.011 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 14 06:33:36.011 INFO [stderr]    Compiling groestl v0.8.0
Dec 14 06:33:36.011 INFO [stderr]    Compiling serde-hjson v0.8.2
Dec 14 06:33:43.423 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 14 06:33:43.423 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/jh-ffi-0.0.2/src/lib.rs:4:1
Dec 14 06:33:43.423 INFO [stderr]   |
Dec 14 06:33:43.424 INFO [stderr] 4 | extern crate libc;
Dec 14 06:33:43.424 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 06:33:43.428 INFO [stderr]   |
Dec 14 06:33:43.428 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 14 06:33:43.428 INFO [stderr] 
Dec 14 06:33:43.429 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 14 06:33:43.429 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/jh-ffi-0.0.2/src/native.rs:2:12
Dec 14 06:33:43.429 INFO [stderr]   |
Dec 14 06:33:43.430 INFO [stderr] 2 | use libc::{c_int};
Dec 14 06:33:43.430 INFO [stderr]   |            ^^^^^
Dec 14 06:33:43.430 INFO [stderr]   |
Dec 14 06:33:43.430 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 14 06:33:43.431 INFO [stderr] 
Dec 14 06:33:43.431 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 14 06:33:43.431 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/jh-ffi-0.0.2/src/native.rs:5:32
Dec 14 06:33:43.431 INFO [stderr]   |
Dec 14 06:33:43.432 INFO [stderr] 5 |     pub fn jh_hash(hashbitlen: c_int, data: *const u8, databitlen: u64, hashval: *mut u8) -> c_int;
Dec 14 06:33:43.432 INFO [stderr]   |                                ^^^^^
Dec 14 06:33:43.432 INFO [stderr]   |
Dec 14 06:33:43.433 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 14 06:33:43.433 INFO [stderr] 
Dec 14 06:33:43.433 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 14 06:33:43.433 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/jh-ffi-0.0.2/src/native.rs:5:94
Dec 14 06:33:43.434 INFO [stderr]   |
Dec 14 06:33:43.434 INFO [stderr] 5 |     pub fn jh_hash(hashbitlen: c_int, data: *const u8, databitlen: u64, hashval: *mut u8) -> c_int;
Dec 14 06:33:43.434 INFO [stderr]   |                                                                                              ^^^^^
Dec 14 06:33:43.434 INFO [stderr]   |
Dec 14 06:33:43.435 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 14 06:33:43.435 INFO [stderr] 
Dec 14 06:33:43.651 INFO [stderr] error: aborting due to 4 previous errors
Dec 14 06:33:43.671 INFO [stderr] 
Dec 14 06:33:43.679 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 14 06:33:43.700 INFO [stderr] error: Could not compile `jh-ffi`.
Dec 14 06:33:43.700 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 14 06:33:43.895 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 14 06:33:43.895 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/skein-ffi-0.0.1/src/lib.rs:4:1
Dec 14 06:33:43.896 INFO [stderr]   |
Dec 14 06:33:43.896 INFO [stderr] 4 | extern crate libc;
Dec 14 06:33:43.896 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 06:33:43.896 INFO [stderr]   |
Dec 14 06:33:43.897 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 14 06:33:43.897 INFO [stderr] 
Dec 14 06:33:43.897 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 14 06:33:43.897 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/skein-ffi-0.0.1/src/native.rs:2:12
Dec 14 06:33:43.897 INFO [stderr]   |
Dec 14 06:33:43.897 INFO [stderr] 2 | use libc::{c_int};
Dec 14 06:33:43.897 INFO [stderr]   |            ^^^^^
Dec 14 06:33:43.897 INFO [stderr]   |
Dec 14 06:33:43.897 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 14 06:33:43.897 INFO [stderr] 
Dec 14 06:33:43.897 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 14 06:33:43.897 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/skein-ffi-0.0.1/src/native.rs:5:35
Dec 14 06:33:43.898 INFO [stderr]   |
Dec 14 06:33:43.898 INFO [stderr] 5 |     pub fn skein_hash(hashbitlen: c_int, data: *const u8, databitlen: u64, hashval: *mut u8) -> c_int;
Dec 14 06:33:43.898 INFO [stderr]   |                                   ^^^^^
Dec 14 06:33:43.898 INFO [stderr]   |
Dec 14 06:33:43.898 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 14 06:33:43.898 INFO [stderr] 
Dec 14 06:33:43.898 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 14 06:33:43.898 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/skein-ffi-0.0.1/src/native.rs:5:97
Dec 14 06:33:43.898 INFO [stderr]   |
Dec 14 06:33:43.898 INFO [stderr] 5 |     pub fn skein_hash(hashbitlen: c_int, data: *const u8, databitlen: u64, hashval: *mut u8) -> c_int;
Dec 14 06:33:43.898 INFO [stderr]   |                                                                                                 ^^^^^
Dec 14 06:33:43.898 INFO [stderr]   |
Dec 14 06:33:43.898 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 14 06:33:43.898 INFO [stderr] 
Dec 14 06:33:44.243 INFO [stderr] error: aborting due to 4 previous errors
Dec 14 06:33:44.243 INFO [stderr] 
Dec 14 06:33:44.243 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 14 06:33:44.295 INFO [stderr] error: Could not compile `skein-ffi`.
Dec 14 06:33:44.296 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 14 06:34:02.623 INFO [stderr] error: build failed
Dec 14 06:34:02.623 INFO [stderr] su: No module specific data is present
Dec 14 06:34:03.960 INFO running `"docker" "inspect" "27df03f1b8e15800e493f4ee221c97056341fc3ee960f38052c1e1356b776f6b"`
Dec 14 06:34:04.303 INFO running `"docker" "rm" "-f" "27df03f1b8e15800e493f4ee221c97056341fc3ee960f38052c1e1356b776f6b"`
Dec 14 06:34:04.587 INFO [stdout] 27df03f1b8e15800e493f4ee221c97056341fc3ee960f38052c1e1356b776f6b