[INFO] updating cached repository https://github.com/natreed/rust_tree_lib
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 413fcd4e5415ce33fb32512f92a9f8e017f3f9f5
[INFO] testing natreed/rust_tree_lib against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatreed%2Frust_tree_lib" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natreed/rust_tree_lib on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-5/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 `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 623465e9239d47cb0c888afa1a2aa5d3102bc88bb537b6a34b593423750dc267
[INFO] running `"docker" "start" "-a" "623465e9239d47cb0c888afa1a2aa5d3102bc88bb537b6a34b593423750dc267"`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "623465e9239d47cb0c888afa1a2aa5d3102bc88bb537b6a34b593423750dc267"`
[INFO] running `"docker" "rm" "-f" "623465e9239d47cb0c888afa1a2aa5d3102bc88bb537b6a34b593423750dc267"`
[INFO] [stdout] 623465e9239d47cb0c888afa1a2aa5d3102bc88bb537b6a34b593423750dc267
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0ad55a201604702c83ac719978729caedf4b95d917ac321ef59d55e656fe94d0
[INFO] running `"docker" "start" "-a" "0ad55a201604702c83ac719978729caedf4b95d917ac321ef59d55e656fe94d0"`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "0ad55a201604702c83ac719978729caedf4b95d917ac321ef59d55e656fe94d0"`
[INFO] running `"docker" "rm" "-f" "0ad55a201604702c83ac719978729caedf4b95d917ac321ef59d55e656fe94d0"`
[INFO] [stdout] 0ad55a201604702c83ac719978729caedf4b95d917ac321ef59d55e656fe94d0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 6f422663c182bfc151e1f9a417ae8100c814489af48e5bed1b126eebf78dbbfd
[INFO] running `"docker" "start" "-a" "6f422663c182bfc151e1f9a417ae8100c814489af48e5bed1b126eebf78dbbfd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generic_tree-443d0cf498716a71
[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 min_value_test ... ok
[INFO] [stdout] test post_iterator_test ... ok
[INFO] [stdout] test size_test ... ok
[INFO] [stdout] test swap_right_test ... ok
[INFO] [stdout] test take_left_test ... ok
[INFO] [stdout] test take_right_test ... ok
[INFO] [stdout] test max_depth_test ... ok
[INFO] [stdout] test pre_iterator_test ... ok
[INFO] [stdout] test min_depth_test ... ok
[INFO] [stdout] test merge_test ... ok
[INFO] [stdout] test swap_left_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6f422663c182bfc151e1f9a417ae8100c814489af48e5bed1b126eebf78dbbfd"`
[INFO] running `"docker" "rm" "-f" "6f422663c182bfc151e1f9a417ae8100c814489af48e5bed1b126eebf78dbbfd"`
[INFO] [stdout] 6f422663c182bfc151e1f9a417ae8100c814489af48e5bed1b126eebf78dbbfd