[INFO] cloning 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" "clone" "--bare" "https://github.com/bazhenov/fast-estimate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbazhenov%2Ffast-estimate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbazhenov%2Ffast-estimate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44e0d9aae079d56c835bad691bf0f67a5ed8ca98
[INFO] testing bazhenov/fast-estimate against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbazhenov%2Ffast-estimate" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bazhenov/fast-estimate on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-4/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c7a9a5795fdaecb881fffb2e60b3c1fc396258b6a064d60958bc369d4426797
[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" "1c7a9a5795fdaecb881fffb2e60b3c1fc396258b6a064d60958bc369d4426797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c7a9a5795fdaecb881fffb2e60b3c1fc396258b6a064d60958bc369d4426797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c7a9a5795fdaecb881fffb2e60b3c1fc396258b6a064d60958bc369d4426797", kill_on_drop: false }`
[INFO] [stdout] 1c7a9a5795fdaecb881fffb2e60b3c1fc396258b6a064d60958bc369d4426797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34cc144e2804e26ed7f0b4bdc9db832a91f07916dad7c3aecbfa466a0167a35d
[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" "34cc144e2804e26ed7f0b4bdc9db832a91f07916dad7c3aecbfa466a0167a35d", kill_on_drop: false }`
[INFO] [stderr]    Compiling est v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "34cc144e2804e26ed7f0b4bdc9db832a91f07916dad7c3aecbfa466a0167a35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34cc144e2804e26ed7f0b4bdc9db832a91f07916dad7c3aecbfa466a0167a35d", kill_on_drop: false }`
[INFO] [stdout] 34cc144e2804e26ed7f0b4bdc9db832a91f07916dad7c3aecbfa466a0167a35d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cbb4b0bf34464c7a77cb5e764ed0dc526bc94ee2315682d2e72a433d77f5985
[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" "4cbb4b0bf34464c7a77cb5e764ed0dc526bc94ee2315682d2e72a433d77f5985", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling est v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "4cbb4b0bf34464c7a77cb5e764ed0dc526bc94ee2315682d2e72a433d77f5985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbb4b0bf34464c7a77cb5e764ed0dc526bc94ee2315682d2e72a433d77f5985", kill_on_drop: false }`
[INFO] [stdout] 4cbb4b0bf34464c7a77cb5e764ed0dc526bc94ee2315682d2e72a433d77f5985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 563aa77da0d16d4357435eb8dfaf5be68ecba2feb88b0bfb2d6dbe0fd9107a94
[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" "563aa77da0d16d4357435eb8dfaf5be68ecba2feb88b0bfb2d6dbe0fd9107a94", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/est-82152f4652eb411d
[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::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::one_element_get_head_and_tail ... ok
[INFO] [stdout] test double_linked_list::tests::empty_size ... ok
[INFO] [stdout] test double_linked_list::tests::one_element_pop_back ... 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_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::push_after ... ok
[INFO] [stdout] test double_linked_list::tests::remove_node ... ok
[INFO] [stdout] test linear_counter::tests::population_count ... ok
[INFO] [stdout] test stream_summary::tests::shound ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_back_size ... ok
[INFO] [stdout] test stream_summary::tests::should_export_top_2 ... ok
[INFO] [stdout] test stream_summary::tests::should_export_top_1 ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_front_size ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_front_collect ... ok
[INFO] [stdout] test linear_counter::tests::new_pop_count ... 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_pop_front ... ok
[INFO] [stdout] test double_linked_list::tests::two_element_push_back_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 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" "563aa77da0d16d4357435eb8dfaf5be68ecba2feb88b0bfb2d6dbe0fd9107a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563aa77da0d16d4357435eb8dfaf5be68ecba2feb88b0bfb2d6dbe0fd9107a94", kill_on_drop: false }`
[INFO] [stdout] 563aa77da0d16d4357435eb8dfaf5be68ecba2feb88b0bfb2d6dbe0fd9107a94