Dec 15 14:15:54.027 INFO testing funfun-0.2.4 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 14:15:54.027 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 14:15:54.233 INFO [stdout] 939c61bca17d24ae174c1707638b0e752483ab4034f2261ff829b7be16b98b7c
Dec 15 14:15:54.236 INFO running `"docker" "start" "-a" "939c61bca17d24ae174c1707638b0e752483ab4034f2261ff829b7be16b98b7c"`
Dec 15 14:15:54.999 INFO [stderr] usermod: no changes
Dec 15 14:15:55.054 INFO [stderr]    Compiling funfun v0.2.4 (/source)
Dec 15 14:15:55.547 INFO [stderr] warning: unused import: `std::fmt`
Dec 15 14:15:55.547 INFO [stderr]  --> src/lib.rs:2:5
Dec 15 14:15:55.547 INFO [stderr]   |
Dec 15 14:15:55.547 INFO [stderr] 2 | use std::fmt;
Dec 15 14:15:55.547 INFO [stderr]   |     ^^^^^^^^
Dec 15 14:15:55.547 INFO [stderr]   |
Dec 15 14:15:55.547 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 14:15:55.547 INFO [stderr] 
Dec 15 14:15:55.568 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 15 14:15:55.579 INFO [stderr] su: No module specific data is present
Dec 15 14:15:56.052 INFO running `"docker" "inspect" "939c61bca17d24ae174c1707638b0e752483ab4034f2261ff829b7be16b98b7c"`
Dec 15 14:15:56.205 INFO running `"docker" "rm" "-f" "939c61bca17d24ae174c1707638b0e752483ab4034f2261ff829b7be16b98b7c"`
Dec 15 14:15:56.559 INFO [stdout] 939c61bca17d24ae174c1707638b0e752483ab4034f2261ff829b7be16b98b7c
Dec 15 14:15:56.563 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 15 14:15:57.031 INFO [stdout] c0d7a9d4007f5449396551ad6eee748674f748848cc7d78ea15f46555f41655b
Dec 15 14:15:57.034 INFO running `"docker" "start" "-a" "c0d7a9d4007f5449396551ad6eee748674f748848cc7d78ea15f46555f41655b"`
Dec 15 14:15:57.699 INFO [stderr] usermod: no changes
Dec 15 14:15:57.759 INFO [stderr]    Compiling funfun v0.2.4 (/source)
Dec 15 14:15:58.335 INFO [stderr] warning: unused import: `std::fmt`
Dec 15 14:15:58.335 INFO [stderr]  --> src/lib.rs:2:5
Dec 15 14:15:58.335 INFO [stderr]   |
Dec 15 14:15:58.335 INFO [stderr] 2 | use std::fmt;
Dec 15 14:15:58.335 INFO [stderr]   |     ^^^^^^^^
Dec 15 14:15:58.335 INFO [stderr]   |
Dec 15 14:15:58.335 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 14:15:58.335 INFO [stderr] 
Dec 15 14:15:58.386 INFO [stderr] warning: unused variable: `d`
Dec 15 14:15:58.386 INFO [stderr]    --> src/lib.rs:104:14
Dec 15 14:15:58.386 INFO [stderr]     |
Dec 15 14:15:58.386 INFO [stderr] 104 |             |d: &str| -> String {"reassign once".to_string()}
Dec 15 14:15:58.386 INFO [stderr]     |              ^ help: consider using `_d` instead
Dec 15 14:15:58.386 INFO [stderr]     |
Dec 15 14:15:58.386 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 14:15:58.386 INFO [stderr] 
Dec 15 14:15:58.386 INFO [stderr] warning: unused variable: `d`
Dec 15 14:15:58.386 INFO [stderr]    --> src/lib.rs:127:14
Dec 15 14:15:58.386 INFO [stderr]     |
Dec 15 14:15:58.386 INFO [stderr] 127 |             |d: &str| -> String {"reassign once".to_string()}
Dec 15 14:15:58.386 INFO [stderr]     |              ^ help: consider using `_d` instead
Dec 15 14:15:58.386 INFO [stderr] 
Dec 15 14:15:58.405 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:15:58.405 INFO [stderr]    --> src/lib.rs:147:13
Dec 15 14:15:58.406 INFO [stderr]     |
Dec 15 14:15:58.406 INFO [stderr] 147 |             res.join();
Dec 15 14:15:58.406 INFO [stderr]     |             ^^^^^^^^^^^
Dec 15 14:15:58.406 INFO [stderr]     |
Dec 15 14:15:58.406 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 14:15:58.406 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:15:58.406 INFO [stderr] 
Dec 15 14:15:58.406 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 14:15:58.406 INFO [stderr]    --> src/lib.rs:165:13
Dec 15 14:15:58.406 INFO [stderr]     |
Dec 15 14:15:58.406 INFO [stderr] 165 |             res.join();
Dec 15 14:15:58.406 INFO [stderr]     |             ^^^^^^^^^^^
Dec 15 14:15:58.406 INFO [stderr]     |
Dec 15 14:15:58.406 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 14:15:58.406 INFO [stderr] 
Dec 15 14:15:58.913 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 15 14:15:58.913 INFO [stderr] su: No module specific data is present
Dec 15 14:15:59.380 INFO running `"docker" "inspect" "c0d7a9d4007f5449396551ad6eee748674f748848cc7d78ea15f46555f41655b"`
Dec 15 14:15:59.553 INFO running `"docker" "rm" "-f" "c0d7a9d4007f5449396551ad6eee748674f748848cc7d78ea15f46555f41655b"`
Dec 15 14:15:59.795 INFO [stdout] c0d7a9d4007f5449396551ad6eee748674f748848cc7d78ea15f46555f41655b
Dec 15 14:15:59.797 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --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 15 14:16:00.207 INFO [stdout] 5f035a38f643678272064bd1591d9045edbbdd1334d770a9a9258dc352d3d7eb
Dec 15 14:16:00.209 INFO running `"docker" "start" "-a" "5f035a38f643678272064bd1591d9045edbbdd1334d770a9a9258dc352d3d7eb"`
Dec 15 14:16:00.569 INFO [stderr] usermod: no changes
Dec 15 14:16:00.596 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 14:16:00.596 INFO [stderr]      Running /target/debug/deps/funfun-2b56db2a1cb93b40
Dec 15 14:16:00.598 INFO [stdout] 
Dec 15 14:16:00.598 INFO [stdout] running 8 tests
Dec 15 14:16:00.598 INFO [stdout] test tests::in_struct_box_fn ... ok
Dec 15 14:16:00.598 INFO [stdout] test tests::one_arity_box_fn ... ok
Dec 15 14:16:00.598 INFO [stdout] test tests::pass_function_box_fn ... ok
Dec 15 14:16:00.599 INFO [stdout] test tests::pass_named_box_fn ... ok
Dec 15 14:16:00.599 INFO [stdout] test tests::zero_arity_box_fn ... ok
Dec 15 14:16:00.602 INFO [stdout] test tests::in_struct_arc_fn ... ok
Dec 15 14:16:00.844 INFO [stdout] test tests::multithreading_box_fn ... ok
Dec 15 14:16:02.654 INFO [stdout] accepts closures to run in their own thread!
Dec 15 14:16:02.853 INFO [stdout] test tests::multithreading_spawn_fn ... ok
Dec 15 14:16:02.853 INFO [stdout] 
Dec 15 14:16:02.853 INFO [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:16:02.853 INFO [stdout] 
Dec 15 14:16:02.855 INFO [stderr]    Doc-tests funfun
Dec 15 14:16:03.767 INFO [stdout] 
Dec 15 14:16:03.767 INFO [stdout] running 0 tests
Dec 15 14:16:03.767 INFO [stdout] 
Dec 15 14:16:03.767 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:16:03.767 INFO [stdout] 
Dec 15 14:16:03.776 INFO [stderr] su: No module specific data is present
Dec 15 14:16:04.075 INFO running `"docker" "inspect" "5f035a38f643678272064bd1591d9045edbbdd1334d770a9a9258dc352d3d7eb"`
Dec 15 14:16:04.206 INFO running `"docker" "rm" "-f" "5f035a38f643678272064bd1591d9045edbbdd1334d770a9a9258dc352d3d7eb"`
Dec 15 14:16:04.323 INFO [stdout] 5f035a38f643678272064bd1591d9045edbbdd1334d770a9a9258dc352d3d7eb