Dec 15 13:50:34.304 INFO testing generational-arena-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 13:50:34.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 13:50:34.723 INFO [stdout] 90e52cf30153bae48537462ab3f7d6a763fff3cf7e1e11fb8e88c9e9ed86b079
Dec 15 13:50:34.728 INFO running `"docker" "start" "-a" "90e52cf30153bae48537462ab3f7d6a763fff3cf7e1e11fb8e88c9e9ed86b079"`
Dec 15 13:50:35.737 INFO [stderr] usermod: no changes
Dec 15 13:50:35.963 INFO [stderr]    Compiling generational-arena v0.2.0 (/source)
Dec 15 13:50:36.735 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 15 13:50:36.753 INFO [stderr] su: No module specific data is present
Dec 15 13:50:37.628 INFO running `"docker" "inspect" "90e52cf30153bae48537462ab3f7d6a763fff3cf7e1e11fb8e88c9e9ed86b079"`
Dec 15 13:50:37.905 INFO running `"docker" "rm" "-f" "90e52cf30153bae48537462ab3f7d6a763fff3cf7e1e11fb8e88c9e9ed86b079"`
Dec 15 13:50:38.206 INFO [stdout] 90e52cf30153bae48537462ab3f7d6a763fff3cf7e1e11fb8e88c9e9ed86b079
Dec 15 13:50:38.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 13:50:38.750 INFO [stdout] b9cc7ad1befc4ae565eb545d12e5c6d3cdd0ee9e2d91aea7e9f9202563a73e4e
Dec 15 13:50:38.755 INFO running `"docker" "start" "-a" "b9cc7ad1befc4ae565eb545d12e5c6d3cdd0ee9e2d91aea7e9f9202563a73e4e"`
Dec 15 13:50:39.582 INFO [stderr] usermod: no changes
Dec 15 13:50:39.753 INFO [stderr]    Compiling serde_json v1.0.33
Dec 15 13:50:39.753 INFO [stderr]    Compiling csv v1.0.2
Dec 15 13:50:39.753 INFO [stderr]    Compiling bincode v1.0.1
Dec 15 13:50:39.753 INFO [stderr]    Compiling serde_test v1.0.82
Dec 15 13:50:50.624 INFO [stderr]    Compiling handlebars v0.32.4
Dec 15 13:50:58.671 INFO [stderr]    Compiling criterion v0.2.5
Dec 15 13:51:09.320 INFO [stderr]    Compiling generational-arena v0.2.0 (/source)
Dec 15 13:51:14.405 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.80s
Dec 15 13:51:14.414 INFO [stderr] su: No module specific data is present
Dec 15 13:51:14.704 INFO running `"docker" "inspect" "b9cc7ad1befc4ae565eb545d12e5c6d3cdd0ee9e2d91aea7e9f9202563a73e4e"`
Dec 15 13:51:14.800 INFO running `"docker" "rm" "-f" "b9cc7ad1befc4ae565eb545d12e5c6d3cdd0ee9e2d91aea7e9f9202563a73e4e"`
Dec 15 13:51:14.998 INFO [stdout] b9cc7ad1befc4ae565eb545d12e5c6d3cdd0ee9e2d91aea7e9f9202563a73e4e