[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 beta-2021-01-01 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-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/nyirog/bbtree on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-4/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" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c91eda5317f7f48d01afe9bde6813c8b375305facf4e6af2e400966abd4ed2e
[INFO] running `Command { std: "docker" "start" "-a" "0c91eda5317f7f48d01afe9bde6813c8b375305facf4e6af2e400966abd4ed2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c91eda5317f7f48d01afe9bde6813c8b375305facf4e6af2e400966abd4ed2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c91eda5317f7f48d01afe9bde6813c8b375305facf4e6af2e400966abd4ed2e", kill_on_drop: false }`
[INFO] [stdout] 0c91eda5317f7f48d01afe9bde6813c8b375305facf4e6af2e400966abd4ed2e
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 135fbe71ec0665fa9339289d438e9525b1e94e0208d2b7b361db883d78e31893
[INFO] running `Command { std: "docker" "start" "-a" "135fbe71ec0665fa9339289d438e9525b1e94e0208d2b7b361db883d78e31893", kill_on_drop: false }`
[INFO] [stderr]    Compiling bbtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "135fbe71ec0665fa9339289d438e9525b1e94e0208d2b7b361db883d78e31893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135fbe71ec0665fa9339289d438e9525b1e94e0208d2b7b361db883d78e31893", kill_on_drop: false }`
[INFO] [stdout] 135fbe71ec0665fa9339289d438e9525b1e94e0208d2b7b361db883d78e31893
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0264b14b90db982f8929fee56987d448b7dec0bca79b9bf00121ab6e410570fc
[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" "0264b14b90db982f8929fee56987d448b7dec0bca79b9bf00121ab6e410570fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bbtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "0264b14b90db982f8929fee56987d448b7dec0bca79b9bf00121ab6e410570fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0264b14b90db982f8929fee56987d448b7dec0bca79b9bf00121ab6e410570fc", kill_on_drop: false }`
[INFO] [stdout] 0264b14b90db982f8929fee56987d448b7dec0bca79b9bf00121ab6e410570fc
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4820fa03b8cc052927dcd43e8ff4fd5b0a3621cf0762ba6a06e5748b97b2526c
[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" "4820fa03b8cc052927dcd43e8ff4fd5b0a3621cf0762ba6a06e5748b97b2526c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bbtree-f696f94ec83859e5
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test_change_get_mut_tree ... ok
[INFO] [stdout] test test_empty_tree_provide_none ... ok
[INFO] [stdout] test test_get_mut_returns_none_for_unknown_key ... ok
[INFO] [stdout] test test_get_mut_tree ... ok
[INFO] [stdout] test test_get_mut_tree_bigger ... ok
[INFO] [stdout] test test_get_mut_tree_smaller ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_insert_bigger ... ok
[INFO] [stdout] test test_insert_smaller ... ok
[INFO] [stdout] test test_node_get_mut ... ok
[INFO] [stdout] test test_node_get_ref_for_the_bigger_sub_node ... ok
[INFO] [stdout] test test_node_get_ref_for_the_smaller_sub_node ... ok
[INFO] [stdout] test test_node_get_ref_returns_a_reference ... ok
[INFO] [stdout] test test_tree_get_ref_bigger ... ok
[INFO] [stdout] test test_tree_get_ref_smaller ... ok
[INFO] [stdout] test test_node_get_mut_bigger ... ok
[INFO] [stdout] test test_node_get_mut_smaller ... ok
[INFO] [stdout] test test_empty_tree_provide_none_for_reference ... ok
[INFO] [stdout] test test_node_get_mut_can_be_changed ... ok
[INFO] [stdout] test test_node_get_ref_returns_node_for_unknown_key ... ok
[INFO] [stdout] test test_tree_get_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4820fa03b8cc052927dcd43e8ff4fd5b0a3621cf0762ba6a06e5748b97b2526c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4820fa03b8cc052927dcd43e8ff4fd5b0a3621cf0762ba6a06e5748b97b2526c", kill_on_drop: false }`
[INFO] [stdout] 4820fa03b8cc052927dcd43e8ff4fd5b0a3621cf0762ba6a06e5748b97b2526c