Nov 18 14:43:16.657 INFO testing exponential-backoff-0.2.2 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 14:43:16.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 14:43:17.004 INFO [stdout] 297562a707ab72b882212f6481bd3ac8afd7ef904c23261e10f1742272d6fef8
Nov 18 14:43:17.006 INFO running `"docker" "start" "-a" "297562a707ab72b882212f6481bd3ac8afd7ef904c23261e10f1742272d6fef8"`
Nov 18 14:43:17.711 INFO [stderr] usermod: no changes
Nov 18 14:43:17.808 INFO [stderr]    Compiling exponential-backoff v0.2.2 (/source)
Nov 18 14:43:18.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Nov 18 14:43:18.699 INFO [stderr] su: No module specific data is present
Nov 18 14:43:19.223 INFO running `"docker" "inspect" "297562a707ab72b882212f6481bd3ac8afd7ef904c23261e10f1742272d6fef8"`
Nov 18 14:43:19.475 INFO running `"docker" "rm" "-f" "297562a707ab72b882212f6481bd3ac8afd7ef904c23261e10f1742272d6fef8"`
Nov 18 14:43:19.787 INFO [stdout] 297562a707ab72b882212f6481bd3ac8afd7ef904c23261e10f1742272d6fef8
Nov 18 14:43:19.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 14:43:20.167 INFO [stdout] b8a568a8decb1a89f9022c24fd7e06b0059c9255a4786ddd1a67e1c5599c3fcf
Nov 18 14:43:20.175 INFO running `"docker" "start" "-a" "b8a568a8decb1a89f9022c24fd7e06b0059c9255a4786ddd1a67e1c5599c3fcf"`
Nov 18 14:43:21.259 INFO [stderr] usermod: no changes
Nov 18 14:43:21.327 INFO [stderr]    Compiling exponential-backoff v0.2.2 (/source)
Nov 18 14:43:23.197 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Nov 18 14:43:23.203 INFO [stderr] su: No module specific data is present
Nov 18 14:43:24.021 INFO running `"docker" "inspect" "b8a568a8decb1a89f9022c24fd7e06b0059c9255a4786ddd1a67e1c5599c3fcf"`
Nov 18 14:43:24.404 INFO running `"docker" "rm" "-f" "b8a568a8decb1a89f9022c24fd7e06b0059c9255a4786ddd1a67e1c5599c3fcf"`
Nov 18 14:43:24.647 INFO [stdout] b8a568a8decb1a89f9022c24fd7e06b0059c9255a4786ddd1a67e1c5599c3fcf
Nov 18 14:43:24.648 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 14:43:25.188 INFO [stdout] 5dae33b08f743b737b90654a90ddde6830db5cfd530f5432b10228b3c7019c27
Nov 18 14:43:25.190 INFO running `"docker" "start" "-a" "5dae33b08f743b737b90654a90ddde6830db5cfd530f5432b10228b3c7019c27"`
Nov 18 14:43:26.246 INFO [stderr] usermod: no changes
Nov 18 14:43:26.327 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 18 14:43:26.327 INFO [stderr]      Running /target/debug/deps/exponential_backoff-bd5339a94cfc801b
Nov 18 14:43:26.331 INFO [stderr]      Running /target/debug/deps/test-b943a8cb3066b736
Nov 18 14:43:26.331 INFO [stdout] 
Nov 18 14:43:26.332 INFO [stdout] running 0 tests
Nov 18 14:43:26.332 INFO [stdout] 
Nov 18 14:43:26.332 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:43:26.333 INFO [stdout] 
Nov 18 14:43:26.333 INFO [stdout] 
Nov 18 14:43:26.333 INFO [stdout] running 1 test
Nov 18 14:43:26.334 INFO [stdout] test doesnt_crash ... ok
Nov 18 14:43:26.334 INFO [stdout] 
Nov 18 14:43:26.334 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:43:26.334 INFO [stdout] 
Nov 18 14:43:26.336 INFO [stderr]    Doc-tests exponential-backoff
Nov 18 14:43:27.436 INFO [stdout] 
Nov 18 14:43:27.436 INFO [stdout] running 0 tests
Nov 18 14:43:27.436 INFO [stdout] 
Nov 18 14:43:27.436 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:43:27.436 INFO [stdout] 
Nov 18 14:43:27.441 INFO [stderr] su: No module specific data is present
Nov 18 14:43:28.024 INFO running `"docker" "inspect" "5dae33b08f743b737b90654a90ddde6830db5cfd530f5432b10228b3c7019c27"`
Nov 18 14:43:28.191 INFO running `"docker" "rm" "-f" "5dae33b08f743b737b90654a90ddde6830db5cfd530f5432b10228b3c7019c27"`
Nov 18 14:43:28.386 INFO [stdout] 5dae33b08f743b737b90654a90ddde6830db5cfd530f5432b10228b3c7019c27