Dec 05 09:42:05.044 INFO checking objpool-0.2.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 09:42:05.044 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-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 05 09:42:05.571 INFO [stdout] 8f69fc1120fbe58ef796d1db83a53d4a619eb6f76f6015215df54c08adff58e5
Dec 05 09:42:05.576 INFO running `"docker" "start" "-a" "8f69fc1120fbe58ef796d1db83a53d4a619eb6f76f6015215df54c08adff58e5"`
Dec 05 09:42:06.474 INFO [stderr] usermod: no changes
Dec 05 09:42:06.506 INFO [stderr]     Checking objpool v0.2.0 (/source)
Dec 05 09:42:07.671 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 05 09:42:07.671 INFO [stderr]    --> src/lib.rs:217:51
Dec 05 09:42:07.671 INFO [stderr]     |
Dec 05 09:42:07.671 INFO [stderr] 217 |         let elapsed_ms = start.elapsed().unwrap().as_millis();
Dec 05 09:42:07.671 INFO [stderr]     |                                                   ^^^^^^^^^
Dec 05 09:42:07.671 INFO [stderr]     |
Dec 05 09:42:07.671 INFO [stderr]     = note: #[warn(unstable_name_collisions)] on by default
Dec 05 09:42:07.671 INFO [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 05 09:42:07.671 INFO [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 05 09:42:07.671 INFO [stderr]     = help: call with fully qualified syntax `tests::AsMillis::as_millis(...)` to keep using the current method
Dec 05 09:42:07.671 INFO [stderr]     = help: add #![feature(duration_as_u128)] to the crate attributes to enable `std::time::Duration::as_millis`
Dec 05 09:42:07.671 INFO [stderr] 
Dec 05 09:42:07.697 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 05 09:42:07.697 INFO [stderr]    --> src/lib.rs:239:51
Dec 05 09:42:07.697 INFO [stderr]     |
Dec 05 09:42:07.697 INFO [stderr] 239 |         let elapsed_ms = start.elapsed().unwrap().as_millis();
Dec 05 09:42:07.697 INFO [stderr]     |                                                   ^^^^^^^^^
Dec 05 09:42:07.697 INFO [stderr]     |
Dec 05 09:42:07.697 INFO [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 05 09:42:07.697 INFO [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 05 09:42:07.697 INFO [stderr]     = help: call with fully qualified syntax `tests::AsMillis::as_millis(...)` to keep using the current method
Dec 05 09:42:07.697 INFO [stderr]     = help: add #![feature(duration_as_u128)] to the crate attributes to enable `std::time::Duration::as_millis`
Dec 05 09:42:07.697 INFO [stderr] 
Dec 05 09:42:07.697 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 05 09:42:07.697 INFO [stderr]    --> src/lib.rs:254:40
Dec 05 09:42:07.697 INFO [stderr]     |
Dec 05 09:42:07.697 INFO [stderr] 254 |         while start.elapsed().unwrap().as_millis() < 100 {
Dec 05 09:42:07.697 INFO [stderr]     |                                        ^^^^^^^^^
Dec 05 09:42:07.697 INFO [stderr]     |
Dec 05 09:42:07.698 INFO [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 05 09:42:07.698 INFO [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 05 09:42:07.698 INFO [stderr]     = help: call with fully qualified syntax `tests::AsMillis::as_millis(...)` to keep using the current method
Dec 05 09:42:07.698 INFO [stderr]     = help: add #![feature(duration_as_u128)] to the crate attributes to enable `std::time::Duration::as_millis`
Dec 05 09:42:07.698 INFO [stderr] 
Dec 05 09:42:07.703 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 05 09:42:07.703 INFO [stderr]    --> src/lib.rs:258:51
Dec 05 09:42:07.703 INFO [stderr]     |
Dec 05 09:42:07.703 INFO [stderr] 258 |         let elapsed_ms = start.elapsed().unwrap().as_millis();
Dec 05 09:42:07.703 INFO [stderr]     |                                                   ^^^^^^^^^
Dec 05 09:42:07.703 INFO [stderr]     |
Dec 05 09:42:07.703 INFO [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 05 09:42:07.703 INFO [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 05 09:42:07.703 INFO [stderr]     = help: call with fully qualified syntax `tests::AsMillis::as_millis(...)` to keep using the current method
Dec 05 09:42:07.703 INFO [stderr]     = help: add #![feature(duration_as_u128)] to the crate attributes to enable `std::time::Duration::as_millis`
Dec 05 09:42:07.703 INFO [stderr] 
Dec 05 09:42:07.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Dec 05 09:42:07.799 INFO [stderr] su: No module specific data is present
Dec 05 09:42:09.015 INFO running `"docker" "inspect" "8f69fc1120fbe58ef796d1db83a53d4a619eb6f76f6015215df54c08adff58e5"`
Dec 05 09:42:09.269 INFO running `"docker" "rm" "-f" "8f69fc1120fbe58ef796d1db83a53d4a619eb6f76f6015215df54c08adff58e5"`
Dec 05 09:42:09.431 INFO [stdout] 8f69fc1120fbe58ef796d1db83a53d4a619eb6f76f6015215df54c08adff58e5