[INFO] cloning repository https://github.com/nyirog/bbtree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyirog/bbtree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyirog%2Fbbtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyirog%2Fbbtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beae10f266aee89cb79e1980c4ce13d551df4d0b
[INFO] testing nyirog/bbtree against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyirog%2Fbbtree" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyirog/bbtree 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/nyirog/bbtree
[INFO] finished tweaking git repo https://github.com/nyirog/bbtree
[INFO] tweaked toml for git repo https://github.com/nyirog/bbtree written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nyirog/bbtree 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9736c2ea14affbc632c50b229f16641d6d236ee927b769fea1d1abdf359874d1
[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" "9736c2ea14affbc632c50b229f16641d6d236ee927b769fea1d1abdf359874d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9736c2ea14affbc632c50b229f16641d6d236ee927b769fea1d1abdf359874d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9736c2ea14affbc632c50b229f16641d6d236ee927b769fea1d1abdf359874d1", kill_on_drop: false }`
[INFO] [stdout] 9736c2ea14affbc632c50b229f16641d6d236ee927b769fea1d1abdf359874d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ab99d1fcc3334e78313c6a0251c934bb4331f3d621d8eb88fef9ec9317792961
[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" "ab99d1fcc3334e78313c6a0251c934bb4331f3d621d8eb88fef9ec9317792961", kill_on_drop: false }`
[INFO] [stderr]    Compiling bbtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "ab99d1fcc3334e78313c6a0251c934bb4331f3d621d8eb88fef9ec9317792961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab99d1fcc3334e78313c6a0251c934bb4331f3d621d8eb88fef9ec9317792961", kill_on_drop: false }`
[INFO] [stdout] ab99d1fcc3334e78313c6a0251c934bb4331f3d621d8eb88fef9ec9317792961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b2b3a507bf0cb32a9db9023d65132be3acb05274cbfb07959672e212ca71665d
[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" "b2b3a507bf0cb32a9db9023d65132be3acb05274cbfb07959672e212ca71665d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bbtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "b2b3a507bf0cb32a9db9023d65132be3acb05274cbfb07959672e212ca71665d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b3a507bf0cb32a9db9023d65132be3acb05274cbfb07959672e212ca71665d", kill_on_drop: false }`
[INFO] [stdout] b2b3a507bf0cb32a9db9023d65132be3acb05274cbfb07959672e212ca71665d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0fedd598a4d60b2ab6c40c30ff543695ce7f05833aa1997c8f3b373e085fbfb5
[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" "0fedd598a4d60b2ab6c40c30ff543695ce7f05833aa1997c8f3b373e085fbfb5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bbtree-5d31850ce086a7ee
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test_empty_tree_provide_none ... ok
[INFO] [stdout] test test_node_get_mut ... ok
[INFO] [stdout] test test_node_get_mut_bigger ... ok
[INFO] [stdout] test test_node_get_ref_for_the_smaller_sub_node ... ok
[INFO] [stdout] test test_node_get_mut_can_be_changed ... ok
[INFO] [stdout] test test_node_get_ref_returns_a_reference ... ok
[INFO] [stdout] test test_get_mut_tree_smaller ... ok
[INFO] [stdout] test test_node_get_ref_returns_node_for_unknown_key ... ok
[INFO] [stdout] test test_empty_tree_provide_none_for_reference ... ok
[INFO] [stdout] test test_tree_get_ref_smaller ... ok
[INFO] [stdout] test test_node_get_mut_smaller ... ok
[INFO] [stdout] test test_node_get_ref_for_the_bigger_sub_node ... ok
[INFO] [stdout] test test_insert_smaller ... ok
[INFO] [stdout] test test_insert_bigger ... ok
[INFO] [stdout] test test_get_mut_tree_bigger ... ok
[INFO] [stdout] test test_get_mut_tree ... ok
[INFO] [stdout] test test_get_mut_returns_none_for_unknown_key ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_change_get_mut_tree ... ok
[INFO] [stdout] test test_tree_get_ref ... ok
[INFO] [stdout] test test_tree_get_ref_bigger ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fedd598a4d60b2ab6c40c30ff543695ce7f05833aa1997c8f3b373e085fbfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fedd598a4d60b2ab6c40c30ff543695ce7f05833aa1997c8f3b373e085fbfb5", kill_on_drop: false }`
[INFO] [stdout] 0fedd598a4d60b2ab6c40c30ff543695ce7f05833aa1997c8f3b373e085fbfb5