Dec 15 15:22:12.749 INFO testing exponential-backoff-0.2.2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 15:22:12.749 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15:22:13.104 INFO [stdout] 70f832a477ea1248b281a5f9e6a5b2f04c8bd08b75549299776c3a0a2f7b92c9
Dec 15 15:22:13.106 INFO running `"docker" "start" "-a" "70f832a477ea1248b281a5f9e6a5b2f04c8bd08b75549299776c3a0a2f7b92c9"`
Dec 15 15:22:13.834 INFO [stderr] usermod: no changes
Dec 15 15:22:13.871 INFO [stderr]    Compiling exponential-backoff v0.2.2 (/source)
Dec 15 15:22:14.835 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 15 15:22:14.839 INFO [stderr] su: No module specific data is present
Dec 15 15:22:15.628 INFO running `"docker" "inspect" "70f832a477ea1248b281a5f9e6a5b2f04c8bd08b75549299776c3a0a2f7b92c9"`
Dec 15 15:22:15.845 INFO running `"docker" "rm" "-f" "70f832a477ea1248b281a5f9e6a5b2f04c8bd08b75549299776c3a0a2f7b92c9"`
Dec 15 15:22:16.107 INFO [stdout] 70f832a477ea1248b281a5f9e6a5b2f04c8bd08b75549299776c3a0a2f7b92c9
Dec 15 15:22:16.109 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15:22:16.520 INFO [stdout] deac56b3c031a774a229862886d3f3f2e03ecafa33876b0d8eaa9278754f9b2d
Dec 15 15:22:16.524 INFO running `"docker" "start" "-a" "deac56b3c031a774a229862886d3f3f2e03ecafa33876b0d8eaa9278754f9b2d"`
Dec 15 15:22:18.110 INFO [stderr] usermod: no changes
Dec 15 15:22:18.171 INFO [stderr]    Compiling exponential-backoff v0.2.2 (/source)
Dec 15 15:22:20.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
Dec 15 15:22:20.928 INFO [stderr] su: No module specific data is present
Dec 15 15:22:21.876 INFO running `"docker" "inspect" "deac56b3c031a774a229862886d3f3f2e03ecafa33876b0d8eaa9278754f9b2d"`
Dec 15 15:22:22.180 INFO running `"docker" "rm" "-f" "deac56b3c031a774a229862886d3f3f2e03ecafa33876b0d8eaa9278754f9b2d"`
Dec 15 15:22:22.443 INFO [stdout] deac56b3c031a774a229862886d3f3f2e03ecafa33876b0d8eaa9278754f9b2d
Dec 15 15:22:22.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15:22:22.835 INFO [stdout] da96b902d0a684c3520ee86812678305514f90480c153b3ab06304d67a67fc46
Dec 15 15:22:22.835 INFO running `"docker" "start" "-a" "da96b902d0a684c3520ee86812678305514f90480c153b3ab06304d67a67fc46"`
Dec 15 15:22:23.994 INFO [stderr] usermod: no changes
Dec 15 15:22:24.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 15 15:22:24.067 INFO [stderr]      Running /target/debug/deps/exponential_backoff-81991fad1e5ce1de
Dec 15 15:22:24.075 INFO [stdout] 
Dec 15 15:22:24.075 INFO [stdout] running 0 tests
Dec 15 15:22:24.075 INFO [stdout] 
Dec 15 15:22:24.075 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:22:24.075 INFO [stdout] 
Dec 15 15:22:24.075 INFO [stderr]      Running /target/debug/deps/test-58b74cd6696f01e8
Dec 15 15:22:24.091 INFO [stderr]    Doc-tests exponential-backoff
Dec 15 15:22:24.091 INFO [stdout] 
Dec 15 15:22:24.091 INFO [stdout] running 1 test
Dec 15 15:22:24.091 INFO [stdout] test doesnt_crash ... ok
Dec 15 15:22:24.091 INFO [stdout] 
Dec 15 15:22:24.091 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:22:24.091 INFO [stdout] 
Dec 15 15:22:25.747 INFO [stdout] 
Dec 15 15:22:25.747 INFO [stdout] running 0 tests
Dec 15 15:22:25.747 INFO [stdout] 
Dec 15 15:22:25.747 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:22:25.747 INFO [stdout] 
Dec 15 15:22:25.757 INFO [stderr] su: No module specific data is present
Dec 15 15:22:26.628 INFO running `"docker" "inspect" "da96b902d0a684c3520ee86812678305514f90480c153b3ab06304d67a67fc46"`
Dec 15 15:22:26.779 INFO running `"docker" "rm" "-f" "da96b902d0a684c3520ee86812678305514f90480c153b3ab06304d67a67fc46"`
Dec 15 15:22:27.052 INFO [stdout] da96b902d0a684c3520ee86812678305514f90480c153b3ab06304d67a67fc46