Dec 07 17:12:54.885 INFO testing exponential-backoff-0.2.2 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 17:12:54.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 07 17:12:55.244 INFO [stdout] 9a7ff48a298c33d0a87efb86bdd667699e10449bc19c17b4bc17edd1b2ff348d
Dec 07 17:12:55.246 INFO running `"docker" "start" "-a" "9a7ff48a298c33d0a87efb86bdd667699e10449bc19c17b4bc17edd1b2ff348d"`
Dec 07 17:12:56.265 INFO [stderr] usermod: no changes
Dec 07 17:12:56.340 INFO [stderr]    Compiling exponential-backoff v0.2.2 (/source)
Dec 07 17:12:57.128 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 07 17:12:57.132 INFO [stderr] su: No module specific data is present
Dec 07 17:12:57.856 INFO running `"docker" "inspect" "9a7ff48a298c33d0a87efb86bdd667699e10449bc19c17b4bc17edd1b2ff348d"`
Dec 07 17:12:58.196 INFO running `"docker" "rm" "-f" "9a7ff48a298c33d0a87efb86bdd667699e10449bc19c17b4bc17edd1b2ff348d"`
Dec 07 17:12:58.439 INFO [stdout] 9a7ff48a298c33d0a87efb86bdd667699e10449bc19c17b4bc17edd1b2ff348d
Dec 07 17:12:58.443 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 07 17:12:58.831 INFO [stdout] fcb9bccc71138bcd3a87243c58c0a1080ca188e01f58e1d3c45df9ee8fc6a0bc
Dec 07 17:12:58.842 INFO running `"docker" "start" "-a" "fcb9bccc71138bcd3a87243c58c0a1080ca188e01f58e1d3c45df9ee8fc6a0bc"`
Dec 07 17:12:59.628 INFO [stderr] usermod: no changes
Dec 07 17:12:59.713 INFO [stderr]    Compiling exponential-backoff v0.2.2 (/source)
Dec 07 17:13:01.673 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
Dec 07 17:13:01.689 INFO [stderr] su: No module specific data is present
Dec 07 17:13:02.392 INFO running `"docker" "inspect" "fcb9bccc71138bcd3a87243c58c0a1080ca188e01f58e1d3c45df9ee8fc6a0bc"`
Dec 07 17:13:02.634 INFO running `"docker" "rm" "-f" "fcb9bccc71138bcd3a87243c58c0a1080ca188e01f58e1d3c45df9ee8fc6a0bc"`
Dec 07 17:13:02.781 INFO [stdout] fcb9bccc71138bcd3a87243c58c0a1080ca188e01f58e1d3c45df9ee8fc6a0bc
Dec 07 17:13:02.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 07 17:13:03.051 INFO [stdout] 75aa2e025dca85dda792e698a784df85e2a7fe150acec4c45658f27ee8cfb1af
Dec 07 17:13:03.055 INFO running `"docker" "start" "-a" "75aa2e025dca85dda792e698a784df85e2a7fe150acec4c45658f27ee8cfb1af"`
Dec 07 17:13:03.928 INFO [stderr] usermod: no changes
Dec 07 17:13:04.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 07 17:13:04.001 INFO [stderr]      Running /target/debug/deps/exponential_backoff-0c98b703da68bdc8
Dec 07 17:13:04.012 INFO [stderr]      Running /target/debug/deps/test-3220e52e5c0ed5cd
Dec 07 17:13:04.012 INFO [stdout] 
Dec 07 17:13:04.012 INFO [stdout] running 0 tests
Dec 07 17:13:04.012 INFO [stdout] 
Dec 07 17:13:04.012 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 17:13:04.012 INFO [stdout] 
Dec 07 17:13:04.012 INFO [stdout] 
Dec 07 17:13:04.012 INFO [stdout] running 1 test
Dec 07 17:13:04.032 INFO [stdout] test doesnt_crash ... ok
Dec 07 17:13:04.032 INFO [stdout] 
Dec 07 17:13:04.032 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 17:13:04.032 INFO [stdout] 
Dec 07 17:13:04.036 INFO [stderr]    Doc-tests exponential-backoff
Dec 07 17:13:04.964 INFO [stderr] su: No module specific data is present
Dec 07 17:13:04.964 INFO [stdout] 
Dec 07 17:13:04.964 INFO [stdout] running 0 tests
Dec 07 17:13:04.964 INFO [stdout] 
Dec 07 17:13:04.964 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 17:13:04.964 INFO [stdout] 
Dec 07 17:13:05.702 INFO running `"docker" "inspect" "75aa2e025dca85dda792e698a784df85e2a7fe150acec4c45658f27ee8cfb1af"`
Dec 07 17:13:05.934 INFO running `"docker" "rm" "-f" "75aa2e025dca85dda792e698a784df85e2a7fe150acec4c45658f27ee8cfb1af"`
Dec 07 17:13:06.300 INFO [stdout] 75aa2e025dca85dda792e698a784df85e2a7fe150acec4c45658f27ee8cfb1af