Dec 05 15:53:40.556 INFO testing luotaoyeah/learning-rust against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 15:53:40.556 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 15:53:40.893 INFO [stdout] 1b990683e24590a30378b7c53874e6bcb6ab9d2608d97ea69a56fd44bd47b0ae
Dec 05 15:53:40.898 INFO running `"docker" "start" "-a" "1b990683e24590a30378b7c53874e6bcb6ab9d2608d97ea69a56fd44bd47b0ae"`
Dec 05 15:53:42.026 INFO [stderr] usermod: no changes
Dec 05 15:53:42.129 INFO [stderr]    Compiling rand_core v0.3.0
Dec 05 15:53:42.136 INFO [stderr]    Compiling libc v0.2.43
Dec 05 15:53:43.923 INFO [stderr]    Compiling rand_core v0.2.2
Dec 05 15:53:45.120 INFO [stderr]    Compiling rand v0.5.5
Dec 05 15:53:51.304 INFO [stderr]    Compiling learning-rust v0.1.0 (/source)
Dec 05 15:53:51.866 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 9.81s
Dec 05 15:53:51.866 INFO [stderr] su: No module specific data is present
Dec 05 15:53:52.374 INFO running `"docker" "inspect" "1b990683e24590a30378b7c53874e6bcb6ab9d2608d97ea69a56fd44bd47b0ae"`
Dec 05 15:53:52.606 INFO running `"docker" "rm" "-f" "1b990683e24590a30378b7c53874e6bcb6ab9d2608d97ea69a56fd44bd47b0ae"`
Dec 05 15:53:52.796 INFO [stdout] 1b990683e24590a30378b7c53874e6bcb6ab9d2608d97ea69a56fd44bd47b0ae
Dec 05 15:53:52.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 15:53:53.140 INFO [stdout] c6ca0e9ef9d35d3882823853246ef116f197abfc45d511f442148618f74a73be
Dec 05 15:53:53.146 INFO running `"docker" "start" "-a" "c6ca0e9ef9d35d3882823853246ef116f197abfc45d511f442148618f74a73be"`
Dec 05 15:53:53.646 INFO [stderr] usermod: no changes
Dec 05 15:53:53.701 INFO [stderr]    Compiling learning-rust v0.1.0 (/source)
Dec 05 15:53:54.199 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.52s
Dec 05 15:53:54.202 INFO [stderr] su: No module specific data is present
Dec 05 15:53:54.520 INFO running `"docker" "inspect" "c6ca0e9ef9d35d3882823853246ef116f197abfc45d511f442148618f74a73be"`
Dec 05 15:53:54.784 INFO running `"docker" "rm" "-f" "c6ca0e9ef9d35d3882823853246ef116f197abfc45d511f442148618f74a73be"`
Dec 05 15:53:54.924 INFO [stdout] c6ca0e9ef9d35d3882823853246ef116f197abfc45d511f442148618f74a73be
Dec 05 15:53:54.936 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 15:53:55.272 INFO [stdout] bd2b32b54a9f5a3cb2ad5d8ebb61d828d4cdd35bfe8cf0d48b2b0a9d2d4b8036
Dec 05 15:53:55.289 INFO running `"docker" "start" "-a" "bd2b32b54a9f5a3cb2ad5d8ebb61d828d4cdd35bfe8cf0d48b2b0a9d2d4b8036"`
Dec 05 15:53:55.720 INFO [stderr] usermod: no changes
Dec 05 15:53:55.750 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.02s
Dec 05 15:53:55.751 INFO [stderr]      Running /target/debug/deps/learning_rust-f2eb2b0a1982ebfe
Dec 05 15:53:55.755 INFO [stdout] 
Dec 05 15:53:55.756 INFO [stdout] running 0 tests
Dec 05 15:53:55.756 INFO [stdout] 
Dec 05 15:53:55.756 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 15:53:55.756 INFO [stdout] 
Dec 05 15:53:55.757 INFO [stderr] su: No module specific data is present
Dec 05 15:53:56.057 INFO running `"docker" "inspect" "bd2b32b54a9f5a3cb2ad5d8ebb61d828d4cdd35bfe8cf0d48b2b0a9d2d4b8036"`
Dec 05 15:53:56.263 INFO running `"docker" "rm" "-f" "bd2b32b54a9f5a3cb2ad5d8ebb61d828d4cdd35bfe8cf0d48b2b0a9d2d4b8036"`
Dec 05 15:53:56.506 INFO [stdout] bd2b32b54a9f5a3cb2ad5d8ebb61d828d4cdd35bfe8cf0d48b2b0a9d2d4b8036