Dec 12 20:12:15.212 INFO testing yoshuawuyts/exponential-backoff against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 20:12:15.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 20:12:15.767 INFO [stdout] 4a4b68f7b92328c7b115fb3fa2a760d453f2db82f1441971f2aae21439fd51a0
Dec 12 20:12:15.775 INFO running `"docker" "start" "-a" "4a4b68f7b92328c7b115fb3fa2a760d453f2db82f1441971f2aae21439fd51a0"`
Dec 12 20:12:18.030 INFO [stderr] usermod: no changes
Dec 12 20:12:18.155 INFO [stderr]    Compiling rand_core v0.2.1
Dec 12 20:12:18.931 INFO [stderr]    Compiling rand v0.5.3
Dec 12 20:12:22.928 INFO [stderr]    Compiling exponential-backoff v0.2.3-alpha.0 (/source)
Dec 12 20:12:23.315 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.25s
Dec 12 20:12:23.315 INFO [stderr] su: No module specific data is present
Dec 12 20:12:24.243 INFO running `"docker" "inspect" "4a4b68f7b92328c7b115fb3fa2a760d453f2db82f1441971f2aae21439fd51a0"`
Dec 12 20:12:24.585 INFO running `"docker" "rm" "-f" "4a4b68f7b92328c7b115fb3fa2a760d453f2db82f1441971f2aae21439fd51a0"`
Dec 12 20:12:24.871 INFO [stdout] 4a4b68f7b92328c7b115fb3fa2a760d453f2db82f1441971f2aae21439fd51a0
Dec 12 20:12:24.878 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 20:12:25.361 INFO [stdout] f085655003a9fc30afee90b82d1728a7b2c6ae7ba91824a69bb10766a13a0928
Dec 12 20:12:25.367 INFO running `"docker" "start" "-a" "f085655003a9fc30afee90b82d1728a7b2c6ae7ba91824a69bb10766a13a0928"`
Dec 12 20:12:27.138 INFO [stderr] usermod: no changes
Dec 12 20:12:27.255 INFO [stderr]    Compiling exponential-backoff v0.2.3-alpha.0 (/source)
Dec 12 20:12:28.623 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 12 20:12:28.627 INFO [stderr] su: No module specific data is present
Dec 12 20:12:30.107 INFO running `"docker" "inspect" "f085655003a9fc30afee90b82d1728a7b2c6ae7ba91824a69bb10766a13a0928"`
Dec 12 20:12:30.447 INFO running `"docker" "rm" "-f" "f085655003a9fc30afee90b82d1728a7b2c6ae7ba91824a69bb10766a13a0928"`
Dec 12 20:12:30.771 INFO [stdout] f085655003a9fc30afee90b82d1728a7b2c6ae7ba91824a69bb10766a13a0928
Dec 12 20:12:30.779 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 20:12:31.685 INFO [stdout] 69ae91df1edddc49fc449cc914ffd3fdd0b8109194fd4bc271bc4441d54db98e
Dec 12 20:12:31.687 INFO running `"docker" "start" "-a" "69ae91df1edddc49fc449cc914ffd3fdd0b8109194fd4bc271bc4441d54db98e"`
Dec 12 20:12:33.495 INFO [stderr] usermod: no changes
Dec 12 20:12:33.611 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 12 20:12:33.619 INFO [stderr]      Running /target/debug/deps/exponential_backoff-867e379f0e0b5ea7
Dec 12 20:12:33.647 INFO [stderr]      Running /target/debug/deps/test-184e524d75c91895
Dec 12 20:12:33.647 INFO [stdout] 
Dec 12 20:12:33.647 INFO [stdout] running 0 tests
Dec 12 20:12:33.647 INFO [stdout] 
Dec 12 20:12:33.647 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:12:33.647 INFO [stdout] 
Dec 12 20:12:33.679 INFO [stdout] 
Dec 12 20:12:33.679 INFO [stdout] running 1 test
Dec 12 20:12:33.683 INFO [stdout] test doesnt_crash ... ok
Dec 12 20:12:33.683 INFO [stderr]    Doc-tests exponential-backoff
Dec 12 20:12:33.683 INFO [stdout] 
Dec 12 20:12:33.683 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:12:33.683 INFO [stdout] 
Dec 12 20:12:33.991 INFO [stdout] 
Dec 12 20:12:33.991 INFO [stdout] running 0 tests
Dec 12 20:12:33.991 INFO [stdout] 
Dec 12 20:12:33.991 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:12:33.991 INFO [stdout] 
Dec 12 20:12:33.999 INFO [stderr] su: No module specific data is present
Dec 12 20:12:34.919 INFO running `"docker" "inspect" "69ae91df1edddc49fc449cc914ffd3fdd0b8109194fd4bc271bc4441d54db98e"`
Dec 12 20:12:35.371 INFO running `"docker" "rm" "-f" "69ae91df1edddc49fc449cc914ffd3fdd0b8109194fd4bc271bc4441d54db98e"`
Dec 12 20:12:35.704 INFO [stdout] 69ae91df1edddc49fc449cc914ffd3fdd0b8109194fd4bc271bc4441d54db98e