[INFO] fetching crate fixed_circular_buffer 0.2.2...
[INFO] extracting crate fixed_circular_buffer 0.2.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fixed_circular_buffer/0.2.2
[INFO] extracting crate fixed_circular_buffer 0.2.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fixed_circular_buffer/0.2.2
[INFO] validating manifest of fixed_circular_buffer-0.2.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fixed_circular_buffer-0.2.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fixed_circular_buffer-0.2.2
[INFO] finished frobbing fixed_circular_buffer-0.2.2
[INFO] frobbed toml for fixed_circular_buffer-0.2.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fixed_circular_buffer/0.2.2/Cargo.toml
[INFO] started frobbing fixed_circular_buffer-0.2.2
[INFO] finished frobbing fixed_circular_buffer-0.2.2
[INFO] frobbed toml for fixed_circular_buffer-0.2.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fixed_circular_buffer/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fixed_circular_buffer-0.2.2 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fixed_circular_buffer/0.2.2:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 18534b67980433664494458648adfb052d41b1e8ae6a507021a3ce8ac9293292
[INFO] running `"docker" "start" "-a" "18534b67980433664494458648adfb052d41b1e8ae6a507021a3ce8ac9293292"`
[INFO] [stderr]    Compiling fixed_circular_buffer v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "18534b67980433664494458648adfb052d41b1e8ae6a507021a3ce8ac9293292"`
[INFO] running `"docker" "rm" "-f" "18534b67980433664494458648adfb052d41b1e8ae6a507021a3ce8ac9293292"`
[INFO] [stdout] 18534b67980433664494458648adfb052d41b1e8ae6a507021a3ce8ac9293292
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fixed_circular_buffer/0.2.2:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3884f48a32265079ce16a9ef95e8df1bb388cd6a17563d016fb365866950cc30
[INFO] running `"docker" "start" "-a" "3884f48a32265079ce16a9ef95e8df1bb388cd6a17563d016fb365866950cc30"`
[INFO] [stderr]    Compiling fixed_circular_buffer v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "3884f48a32265079ce16a9ef95e8df1bb388cd6a17563d016fb365866950cc30"`
[INFO] running `"docker" "rm" "-f" "3884f48a32265079ce16a9ef95e8df1bb388cd6a17563d016fb365866950cc30"`
[INFO] [stdout] 3884f48a32265079ce16a9ef95e8df1bb388cd6a17563d016fb365866950cc30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fixed_circular_buffer/0.2.2:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 1bf69fce80c7473e7894c888c51cee8052ee0e74bdb7a64715d1fbb6dba1d8bc
[INFO] running `"docker" "start" "-a" "1bf69fce80c7473e7894c888c51cee8052ee0e74bdb7a64715d1fbb6dba1d8bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fixed_circular_buffer-9dbfe8133e8debe5
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_set_first ... ok
[INFO] [stdout] test test_swap ... ok
[INFO] [stdout] test test_len ... ok
[INFO] [stdout] test test_swap_internal ... ok
[INFO] [stdout] test test_queue ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_iter_circular ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_len_empty ... ok
[INFO] [stderr]    Doc-tests fixed_circular_buffer
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1bf69fce80c7473e7894c888c51cee8052ee0e74bdb7a64715d1fbb6dba1d8bc"`
[INFO] running `"docker" "rm" "-f" "1bf69fce80c7473e7894c888c51cee8052ee0e74bdb7a64715d1fbb6dba1d8bc"`
[INFO] [stdout] 1bf69fce80c7473e7894c888c51cee8052ee0e74bdb7a64715d1fbb6dba1d8bc