[INFO] updating cached repository https://github.com/bazhenov/fast-estimate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44e0d9aae079d56c835bad691bf0f67a5ed8ca98
[INFO] testing bazhenov/fast-estimate against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbazhenov%2Ffast-estimate" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bazhenov/fast-estimate on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bazhenov/fast-estimate
[INFO] finished tweaking git repo https://github.com/bazhenov/fast-estimate
[INFO] tweaked toml for git repo https://github.com/bazhenov/fast-estimate written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/bazhenov/fast-estimate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5994c439586b0e7fa9d161920080bca71b05da62305a26cd64d784543ebaf00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e5994c439586b0e7fa9d161920080bca71b05da62305a26cd64d784543ebaf00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5994c439586b0e7fa9d161920080bca71b05da62305a26cd64d784543ebaf00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5994c439586b0e7fa9d161920080bca71b05da62305a26cd64d784543ebaf00", kill_on_drop: false }`
[INFO] [stdout] e5994c439586b0e7fa9d161920080bca71b05da62305a26cd64d784543ebaf00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ffa6fadb85d9d08dcf8ee89835c1d713ea4187f6a1831a057d14d385e91cc55
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ffa6fadb85d9d08dcf8ee89835c1d713ea4187f6a1831a057d14d385e91cc55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling est v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.80s
[INFO] running `Command { std: "docker" "inspect" "0ffa6fadb85d9d08dcf8ee89835c1d713ea4187f6a1831a057d14d385e91cc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffa6fadb85d9d08dcf8ee89835c1d713ea4187f6a1831a057d14d385e91cc55", kill_on_drop: false }`
[INFO] [stdout] 0ffa6fadb85d9d08dcf8ee89835c1d713ea4187f6a1831a057d14d385e91cc55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac00537ef9c4c2ec6cb4ace659326f7e5937d47d38fae62d59140d9e2edf36e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac00537ef9c4c2ec6cb4ace659326f7e5937d47d38fae62d59140d9e2edf36e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling est v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "ac00537ef9c4c2ec6cb4ace659326f7e5937d47d38fae62d59140d9e2edf36e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac00537ef9c4c2ec6cb4ace659326f7e5937d47d38fae62d59140d9e2edf36e8", kill_on_drop: false }`
[INFO] [stdout] ac00537ef9c4c2ec6cb4ace659326f7e5937d47d38fae62d59140d9e2edf36e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bf9c8e639e7e2319f10e207de0e704b3791ab8b30ae22658ea0b6e3cf507234
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3bf9c8e639e7e2319f10e207de0e704b3791ab8b30ae22658ea0b6e3cf507234", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/est-8c1148c59a7fbf50
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test double_linked_list::tests::two_element_push_back_collect ... ok
[INFO] [stdout] test double_linked_list::tests::push_before ... ok
[INFO] [stdout] test double_linked_list::tests::links_should_be_updated ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_back_size ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_front_collect ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_front_size ... 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::empty_size ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_push_back_size ... ok
[INFO] [stdout] test double_linked_list::tests::empty_pop_front ... ok
[INFO] [stdout] test double_linked_list::tests::push_after ... ok
[INFO] [stdout] test stream_summary::tests::should_export_top_1 ... ok
[INFO] [stdout] test double_linked_list::tests::push_before_updates_head ... ok
[INFO] [stdout] test double_linked_list::tests::remove_node ... ok
[INFO] [stdout] test stream_summary::tests::replace_values ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_pop_front ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_pop_front ... ok
[INFO] [stdout] test stream_summary::tests::shound ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_get_head_and_tail ... ok
[INFO] [stdout] test double_linked_list::tests::push_after_updates_tail ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_pop_back ... ok
[INFO] [stdout] test stream_summary::tests::should_export_top_2 ... ok
[INFO] [stdout] test stream_summary::tests::export_less_than_visited ... ok
[INFO] [stdout] test linear_counter::tests::zero_lc ... ok
[INFO] [stdout] test linear_counter::tests::new_pop_count ... ok
[INFO] [stdout] test linear_counter::tests::population_count ... ok
[INFO] [stdout] test stream_summary::tests::should_count_occurrences_correctly ... 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 `Command { std: "docker" "inspect" "3bf9c8e639e7e2319f10e207de0e704b3791ab8b30ae22658ea0b6e3cf507234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf9c8e639e7e2319f10e207de0e704b3791ab8b30ae22658ea0b6e3cf507234", kill_on_drop: false }`
[INFO] [stdout] 3bf9c8e639e7e2319f10e207de0e704b3791ab8b30ae22658ea0b6e3cf507234