Nov 18 09:43:33.124 INFO testing histogram-sampler-0.2.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 09:43:33.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 09:43:33.251 INFO [stdout] c0afb49b9cdcb6740847bd98fe5e93fac1cbd7dfd7809546b778b3f905cb4b16
Nov 18 09:43:33.253 INFO running `"docker" "start" "-a" "c0afb49b9cdcb6740847bd98fe5e93fac1cbd7dfd7809546b778b3f905cb4b16"`
Nov 18 09:43:33.594 INFO [stderr] usermod: no changes
Nov 18 09:43:33.635 INFO [stderr]    Compiling histogram-sampler v0.2.0 (/source)
Nov 18 09:43:34.282 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Nov 18 09:43:34.285 INFO [stderr] su: No module specific data is present
Nov 18 09:43:34.556 INFO running `"docker" "inspect" "c0afb49b9cdcb6740847bd98fe5e93fac1cbd7dfd7809546b778b3f905cb4b16"`
Nov 18 09:43:34.638 INFO running `"docker" "rm" "-f" "c0afb49b9cdcb6740847bd98fe5e93fac1cbd7dfd7809546b778b3f905cb4b16"`
Nov 18 09:43:34.715 INFO [stdout] c0afb49b9cdcb6740847bd98fe5e93fac1cbd7dfd7809546b778b3f905cb4b16
Nov 18 09:43:34.719 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 09:43:34.861 INFO [stdout] eae56e95a3d8b790728808b687645524f29dbd59056006292e7b93fd1b41d036
Nov 18 09:43:34.863 INFO running `"docker" "start" "-a" "eae56e95a3d8b790728808b687645524f29dbd59056006292e7b93fd1b41d036"`
Nov 18 09:43:35.311 INFO [stderr] usermod: no changes
Nov 18 09:43:35.342 INFO [stderr]    Compiling histogram-sampler v0.2.0 (/source)
Nov 18 09:43:36.864 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Nov 18 09:43:36.865 INFO [stderr] su: No module specific data is present
Nov 18 09:43:37.100 INFO running `"docker" "inspect" "eae56e95a3d8b790728808b687645524f29dbd59056006292e7b93fd1b41d036"`
Nov 18 09:43:37.165 INFO running `"docker" "rm" "-f" "eae56e95a3d8b790728808b687645524f29dbd59056006292e7b93fd1b41d036"`
Nov 18 09:43:37.248 INFO [stdout] eae56e95a3d8b790728808b687645524f29dbd59056006292e7b93fd1b41d036
Nov 18 09:43:37.251 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 09:43:37.399 INFO [stdout] 2ca0b092921b07e2ac601b4c31a9336425a091632403dace5f7f4b9a13f8ab96
Nov 18 09:43:37.400 INFO running `"docker" "start" "-a" "2ca0b092921b07e2ac601b4c31a9336425a091632403dace5f7f4b9a13f8ab96"`
Nov 18 09:43:37.728 INFO [stderr] usermod: no changes
Nov 18 09:43:37.765 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 18 09:43:37.767 INFO [stderr]      Running /target/debug/deps/histogram_sampler-13a6fa3ab5596a67
Nov 18 09:43:37.768 INFO [stdout] 
Nov 18 09:43:37.768 INFO [stdout] running 1 test
Nov 18 09:43:39.039 INFO [stdout] test tests::it_works ... ok
Nov 18 09:43:39.039 INFO [stdout] 
Nov 18 09:43:39.039 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 09:43:39.039 INFO [stdout] 
Nov 18 09:43:39.039 INFO [stderr]    Doc-tests histogram-sampler
Nov 18 09:43:39.963 INFO [stdout] 
Nov 18 09:43:39.963 INFO [stdout] running 2 tests
Nov 18 09:43:41.571 INFO [stdout] test src/lib.rs -  (line 39) ... ok
Nov 18 09:43:41.593 INFO [stdout] test src/lib.rs - Sampler (line 97) ... ok
Nov 18 09:43:41.593 INFO [stdout] 
Nov 18 09:43:41.593 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 09:43:41.593 INFO [stdout] 
Nov 18 09:43:41.607 INFO [stderr] su: No module specific data is present
Nov 18 09:43:42.018 INFO running `"docker" "inspect" "2ca0b092921b07e2ac601b4c31a9336425a091632403dace5f7f4b9a13f8ab96"`
Nov 18 09:43:42.453 INFO running `"docker" "rm" "-f" "2ca0b092921b07e2ac601b4c31a9336425a091632403dace5f7f4b9a13f8ab96"`
Nov 18 09:43:42.674 INFO [stdout] 2ca0b092921b07e2ac601b4c31a9336425a091632403dace5f7f4b9a13f8ab96