Dec 06 10:51:57.025 INFO testing PaulGrandperrin/playground against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 10:51:57.025 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 10:51:57.308 INFO [stdout] ff974c4fc052dd85890a651c0c0ba59c31a7975939e02b3c8edf3baf18b0416f
Dec 06 10:51:57.310 INFO running `"docker" "start" "-a" "ff974c4fc052dd85890a651c0c0ba59c31a7975939e02b3c8edf3baf18b0416f"`
Dec 06 10:51:57.769 INFO [stderr] usermod: no changes
Dec 06 10:51:57.893 INFO [stderr]    Compiling playground v0.1.0 (/source)
Dec 06 10:51:59.376 INFO [stderr] error[E0603]: trait alias `Object` is private
Dec 06 10:51:59.376 INFO [stderr]  --> src/non_volatile/cache/basic.rs:2:42
Dec 06 10:51:59.377 INFO [stderr]   |
Dec 06 10:51:59.377 INFO [stderr] 2 | use super::super::object::any_rc_object::Object;
Dec 06 10:51:59.377 INFO [stderr]   |                                          ^^^^^^
Dec 06 10:51:59.377 INFO [stderr] 
Dec 06 10:51:59.377 INFO [stderr] error[E0603]: trait alias `Object` is private
Dec 06 10:51:59.377 INFO [stderr]  --> src/non_volatile/manager.rs:3:35
Dec 06 10:51:59.377 INFO [stderr]   |
Dec 06 10:51:59.377 INFO [stderr] 3 | use super::object::any_rc_object::Object;
Dec 06 10:51:59.377 INFO [stderr]   |                                   ^^^^^^
Dec 06 10:51:59.377 INFO [stderr] 
Dec 06 10:51:59.380 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 06 10:51:59.380 INFO [stderr]  --> src/context.rs:8:5
Dec 06 10:51:59.380 INFO [stderr]   |
Dec 06 10:51:59.380 INFO [stderr] 8 | use std::rc::Rc;
Dec 06 10:51:59.380 INFO [stderr]   |     ^^^^^^^^^^^
Dec 06 10:51:59.380 INFO [stderr]   |
Dec 06 10:51:59.380 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 10:51:59.380 INFO [stderr] 
Dec 06 10:51:59.380 INFO [stderr] warning: unused import: `std::borrow::Borrow`
Dec 06 10:51:59.380 INFO [stderr]  --> src/non_volatile/object/any_rc_object.rs:6:5
Dec 06 10:51:59.380 INFO [stderr]   |
Dec 06 10:51:59.380 INFO [stderr] 6 | use std::borrow::Borrow;
Dec 06 10:51:59.380 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 06 10:51:59.380 INFO [stderr] 
Dec 06 10:51:59.380 INFO [stderr] warning: unused import: `TryInto`
Dec 06 10:51:59.380 INFO [stderr]  --> src/non_volatile/object/any_rc_object.rs:7:29
Dec 06 10:51:59.380 INFO [stderr]   |
Dec 06 10:51:59.380 INFO [stderr] 7 | use std::convert::{TryFrom, TryInto};
Dec 06 10:51:59.380 INFO [stderr]   |                             ^^^^^^^
Dec 06 10:51:59.380 INFO [stderr] 
Dec 06 10:51:59.382 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 06 10:51:59.383 INFO [stderr]  --> src/non_volatile/object/any_rc_object.rs:8:5
Dec 06 10:51:59.383 INFO [stderr]   |
Dec 06 10:51:59.383 INFO [stderr] 8 | use std::fmt::Debug;
Dec 06 10:51:59.383 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 06 10:51:59.383 INFO [stderr] 
Dec 06 10:51:59.383 INFO [stderr] warning: unused imports: `BufMut`, `Buf`
Dec 06 10:51:59.383 INFO [stderr]  --> src/non_volatile/object/object_pointer.rs:6:13
Dec 06 10:51:59.383 INFO [stderr]   |
Dec 06 10:51:59.383 INFO [stderr] 6 | use bytes::{Buf, BufMut};
Dec 06 10:51:59.383 INFO [stderr]   |             ^^^  ^^^^^^
Dec 06 10:51:59.383 INFO [stderr] 
Dec 06 10:51:59.383 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 06 10:51:59.383 INFO [stderr]  --> src/non_volatile/object/object_pointer.rs:7:5
Dec 06 10:51:59.383 INFO [stderr]   |
Dec 06 10:51:59.383 INFO [stderr] 7 | use std::io::Cursor;
Dec 06 10:51:59.383 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 06 10:51:59.383 INFO [stderr] 
Dec 06 10:51:59.383 INFO [stderr] warning: unused imports: `BufMut`, `Buf`
Dec 06 10:51:59.383 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:4:13
Dec 06 10:51:59.383 INFO [stderr]   |
Dec 06 10:51:59.383 INFO [stderr] 4 | use bytes::{Buf, BufMut};
Dec 06 10:51:59.383 INFO [stderr]   |             ^^^  ^^^^^^
Dec 06 10:51:59.383 INFO [stderr] 
Dec 06 10:51:59.383 INFO [stderr] warning: unused import: `failure::format_err`
Dec 06 10:51:59.383 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:5:5
Dec 06 10:51:59.383 INFO [stderr]   |
Dec 06 10:51:59.383 INFO [stderr] 5 | use failure::format_err;
Dec 06 10:51:59.383 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 06 10:51:59.383 INFO [stderr] 
Dec 06 10:51:59.383 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 06 10:51:59.383 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:7:5
Dec 06 10:51:59.383 INFO [stderr]   |
Dec 06 10:51:59.383 INFO [stderr] 7 | use std::io::Cursor;
Dec 06 10:51:59.383 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 06 10:51:59.383 INFO [stderr] 
Dec 06 10:51:59.383 INFO [stderr] warning: unused import: `std::mem`
Dec 06 10:51:59.383 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:8:5
Dec 06 10:51:59.383 INFO [stderr]   |
Dec 06 10:51:59.383 INFO [stderr] 8 | use std::mem;
Dec 06 10:51:59.383 INFO [stderr]   |     ^^^^^^^^
Dec 06 10:51:59.383 INFO [stderr] 
Dec 06 10:51:59.415 INFO [stderr] error: aborting due to 2 previous errors
Dec 06 10:51:59.415 INFO [stderr] 
Dec 06 10:51:59.415 INFO [stderr] For more information about this error, try `rustc --explain E0603`.
Dec 06 10:51:59.423 INFO [stderr] error: Could not compile `playground`.
Dec 06 10:51:59.423 INFO [stderr] 
Dec 06 10:51:59.423 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 10:51:59.423 INFO [stderr] su: No module specific data is present
Dec 06 10:51:59.697 INFO running `"docker" "inspect" "ff974c4fc052dd85890a651c0c0ba59c31a7975939e02b3c8edf3baf18b0416f"`
Dec 06 10:51:59.776 INFO running `"docker" "rm" "-f" "ff974c4fc052dd85890a651c0c0ba59c31a7975939e02b3c8edf3baf18b0416f"`
Dec 06 10:51:59.843 INFO [stdout] ff974c4fc052dd85890a651c0c0ba59c31a7975939e02b3c8edf3baf18b0416f