Nov 27 16:28:42.339 INFO checking yoshuawuyts/exponential-backoff against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 16:28:42.341 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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 27 16:28:42.815 INFO [stdout] d7bfecac44f4d9b14893c8f4b9f47d655b681b1956cd1282924ffb171b51a662
Nov 27 16:28:42.817 INFO running `"docker" "start" "-a" "d7bfecac44f4d9b14893c8f4b9f47d655b681b1956cd1282924ffb171b51a662"`
Nov 27 16:28:45.037 INFO [stderr] usermod: no changes
Nov 27 16:28:45.148 INFO [stderr]     Checking libc v0.2.42
Nov 27 16:28:45.148 INFO [stderr]     Checking rand_core v0.2.1
Nov 27 16:28:46.908 INFO [stderr]     Checking rand v0.5.3
Nov 27 16:28:49.587 INFO [stderr]     Checking exponential-backoff v0.2.3-alpha.0 (/source)
Nov 27 16:28:50.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
Nov 27 16:28:50.317 INFO [stderr] su: No module specific data is present
Nov 27 16:28:51.366 INFO running `"docker" "inspect" "d7bfecac44f4d9b14893c8f4b9f47d655b681b1956cd1282924ffb171b51a662"`
Nov 27 16:28:51.565 INFO running `"docker" "rm" "-f" "d7bfecac44f4d9b14893c8f4b9f47d655b681b1956cd1282924ffb171b51a662"`
Nov 27 16:28:51.856 INFO [stdout] d7bfecac44f4d9b14893c8f4b9f47d655b681b1956cd1282924ffb171b51a662