[INFO] cloning repository https://github.com/natreed/rust_tree_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natreed/rust_tree_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatreed%2Frust_tree_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatreed%2Frust_tree_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 413fcd4e5415ce33fb32512f92a9f8e017f3f9f5
[INFO] testing natreed/rust_tree_lib against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatreed%2Frust_tree_lib" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natreed/rust_tree_lib on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/natreed/rust_tree_lib
[INFO] finished tweaking git repo https://github.com/natreed/rust_tree_lib
[INFO] tweaked toml for git repo https://github.com/natreed/rust_tree_lib written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/natreed/rust_tree_lib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b20d19219c9784fb115144e4423236962d0b36453b1f32746f5a6e037bcfdbb7
[INFO] running `Command { std: "docker" "start" "-a" "b20d19219c9784fb115144e4423236962d0b36453b1f32746f5a6e037bcfdbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b20d19219c9784fb115144e4423236962d0b36453b1f32746f5a6e037bcfdbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20d19219c9784fb115144e4423236962d0b36453b1f32746f5a6e037bcfdbb7", kill_on_drop: false }`
[INFO] [stdout] b20d19219c9784fb115144e4423236962d0b36453b1f32746f5a6e037bcfdbb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c77443fc58248876b3d90c04bc19a767f4bb96ed11d227bed1802210d6815af
[INFO] running `Command { std: "docker" "start" "-a" "3c77443fc58248876b3d90c04bc19a767f4bb96ed11d227bed1802210d6815af", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "3c77443fc58248876b3d90c04bc19a767f4bb96ed11d227bed1802210d6815af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c77443fc58248876b3d90c04bc19a767f4bb96ed11d227bed1802210d6815af", kill_on_drop: false }`
[INFO] [stdout] 3c77443fc58248876b3d90c04bc19a767f4bb96ed11d227bed1802210d6815af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a21a5913bce97f289f1de52d0f0fef043746cdea95eaff2f31067d53e42cb1f8
[INFO] running `Command { std: "docker" "start" "-a" "a21a5913bce97f289f1de52d0f0fef043746cdea95eaff2f31067d53e42cb1f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "a21a5913bce97f289f1de52d0f0fef043746cdea95eaff2f31067d53e42cb1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21a5913bce97f289f1de52d0f0fef043746cdea95eaff2f31067d53e42cb1f8", kill_on_drop: false }`
[INFO] [stdout] a21a5913bce97f289f1de52d0f0fef043746cdea95eaff2f31067d53e42cb1f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ca5c2b93faece3cbfb1cabd81bd1eb6e97ef9034a13cbfc605eb94a2498b7ff
[INFO] running `Command { std: "docker" "start" "-a" "9ca5c2b93faece3cbfb1cabd81bd1eb6e97ef9034a13cbfc605eb94a2498b7ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/generic_tree-25b6397ff5700a82)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test contains_test ... ok
[INFO] [stdout] test add_node ... ok
[INFO] [stdout] test find_test ... ok
[INFO] [stdout] test in_order_into_iterator_test ... ok
[INFO] [stdout] test in_order_iterator_test ... ok
[INFO] [stdout] test max_depth_test ... ok
[INFO] [stdout] test merge_test ... ok
[INFO] [stdout] test post_iterator_test ... ok
[INFO] [stdout] test min_value_test ... ok
[INFO] [stdout] test min_depth_test ... ok
[INFO] [stdout] test size_test ... ok
[INFO] [stdout] test swap_left_test ... ok
[INFO] [stdout] test pre_iterator_test ... ok
[INFO] [stdout] test take_right_test ... ok
[INFO] [stdout] test swap_right_test ... ok
[INFO] [stdout] test take_left_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generic_tree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ca5c2b93faece3cbfb1cabd81bd1eb6e97ef9034a13cbfc605eb94a2498b7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca5c2b93faece3cbfb1cabd81bd1eb6e97ef9034a13cbfc605eb94a2498b7ff", kill_on_drop: false }`
[INFO] [stdout] 9ca5c2b93faece3cbfb1cabd81bd1eb6e97ef9034a13cbfc605eb94a2498b7ff