[INFO] updating cached repository bazhenov/fast-estimate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bazhenov/fast-estimate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bazhenov/fast-estimate" "work/ex/beta-1.38-1/sources/1.37.0/gh/bazhenov/fast-estimate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bazhenov/fast-estimate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bazhenov/fast-estimate" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bazhenov/fast-estimate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bazhenov/fast-estimate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44e0d9aae079d56c835bad691bf0f67a5ed8ca98
[INFO] sha for GitHub repo bazhenov/fast-estimate: 44e0d9aae079d56c835bad691bf0f67a5ed8ca98
[INFO] validating manifest of bazhenov/fast-estimate on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bazhenov/fast-estimate on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bazhenov/fast-estimate
[INFO] finished frobbing bazhenov/fast-estimate
[INFO] frobbed toml for bazhenov/fast-estimate written to work/ex/beta-1.38-1/sources/1.37.0/gh/bazhenov/fast-estimate/Cargo.toml
[INFO] started frobbing bazhenov/fast-estimate
[INFO] finished frobbing bazhenov/fast-estimate
[INFO] frobbed toml for bazhenov/fast-estimate written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bazhenov/fast-estimate/Cargo.toml
[INFO] crate bazhenov/fast-estimate already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bazhenov/fast-estimate against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bazhenov/fast-estimate:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a406126e21d74b1d66abb461e9862e6b10efa5c7da874288e81b2299b00d9d9f
[INFO] running `"docker" "start" "-a" "a406126e21d74b1d66abb461e9862e6b10efa5c7da874288e81b2299b00d9d9f"`
[INFO] [stderr]    Compiling est v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "a406126e21d74b1d66abb461e9862e6b10efa5c7da874288e81b2299b00d9d9f"`
[INFO] running `"docker" "rm" "-f" "a406126e21d74b1d66abb461e9862e6b10efa5c7da874288e81b2299b00d9d9f"`
[INFO] [stdout] a406126e21d74b1d66abb461e9862e6b10efa5c7da874288e81b2299b00d9d9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bazhenov/fast-estimate:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 74d10cd508b6dbc210c2729c30ace5758c3a162bcbeed6e84d967186092a3730
[INFO] running `"docker" "start" "-a" "74d10cd508b6dbc210c2729c30ace5758c3a162bcbeed6e84d967186092a3730"`
[INFO] [stderr]    Compiling est v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `"docker" "inspect" "74d10cd508b6dbc210c2729c30ace5758c3a162bcbeed6e84d967186092a3730"`
[INFO] running `"docker" "rm" "-f" "74d10cd508b6dbc210c2729c30ace5758c3a162bcbeed6e84d967186092a3730"`
[INFO] [stdout] 74d10cd508b6dbc210c2729c30ace5758c3a162bcbeed6e84d967186092a3730
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bazhenov/fast-estimate:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a026060634e4fae9a03abbc01e27306e0115d607c4fbb4782e1bce2492ec22e4
[INFO] running `"docker" "start" "-a" "a026060634e4fae9a03abbc01e27306e0115d607c4fbb4782e1bce2492ec22e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/est-1ca472e8d8c4cdbd
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test double_linked_list::tests::empty_pop_front ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_get_head_and_tail ... ok
[INFO] [stdout] test double_linked_list::tests::empty_size ... ok
[INFO] [stdout] test double_linked_list::tests::links_should_be_updated ... ok
[INFO] [stdout] test double_linked_list::tests::can_store_node ... ok
[INFO] [stdout] test double_linked_list::tests::check_rc_links_count ... ok
[INFO] [stdout] test double_linked_list::tests::remove_node ... ok
[INFO] [stdout] test double_linked_list::tests::push_after_updates_tail ... ok
[INFO] [stdout] test double_linked_list::tests::push_before_updates_head ... ok
[INFO] [stdout] test double_linked_list::tests::push_after ... ok
[INFO] [stdout] test double_linked_list::tests::push_before ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_push_back_size ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_pop_front ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_pop_back ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_back_collect ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_back_size ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_pop_front ... ok
[INFO] [stdout] test linear_counter::tests::zero_lc ... ok
[INFO] [stdout] test stream_summary::tests::export_less_than_visited ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_front_size ... ok
[INFO] [stdout] test linear_counter::tests::new_pop_count ... ok
[INFO] [stdout] test linear_counter::tests::population_count ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_front_collect ... ok
[INFO] [stdout] test stream_summary::tests::replace_values ... ok
[INFO] [stdout] test stream_summary::tests::should_count_occurrences_correctly ... ok
[INFO] [stdout] test stream_summary::tests::should_export_top_1 ... ok
[INFO] [stdout] test stream_summary::tests::shound ... ok
[INFO] [stdout] test stream_summary::tests::should_export_top_2 ... ok
[INFO] [stdout] test linear_counter::tests::estimate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a026060634e4fae9a03abbc01e27306e0115d607c4fbb4782e1bce2492ec22e4"`
[INFO] running `"docker" "rm" "-f" "a026060634e4fae9a03abbc01e27306e0115d607c4fbb4782e1bce2492ec22e4"`
[INFO] [stdout] a026060634e4fae9a03abbc01e27306e0115d607c4fbb4782e1bce2492ec22e4