[INFO] updating cached repository https://github.com/myself659/avltree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 2408a6a6eadad2c48086268f33aba7039affcde8
[INFO] testing myself659/avltree against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyself659%2Favltree" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myself659/avltree on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/myself659/avltree
[INFO] finished tweaking git repo https://github.com/myself659/avltree
[INFO] tweaked toml for git repo https://github.com/myself659/avltree written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/myself659/avltree already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2a32a9a081379817a3abfd251059a67a01b5fefd4e9fabe478a9334f1b40977
[INFO] running `"docker" "start" "-a" "b2a32a9a081379817a3abfd251059a67a01b5fefd4e9fabe478a9334f1b40977"`
[INFO] [stderr]    Compiling avltree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "b2a32a9a081379817a3abfd251059a67a01b5fefd4e9fabe478a9334f1b40977"`
[INFO] running `"docker" "rm" "-f" "b2a32a9a081379817a3abfd251059a67a01b5fefd4e9fabe478a9334f1b40977"`
[INFO] [stdout] b2a32a9a081379817a3abfd251059a67a01b5fefd4e9fabe478a9334f1b40977
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d19eb89d26fd0471118176ac35b39c9d7ba364c7465ec4538207866e1921b0c3
[INFO] running `"docker" "start" "-a" "d19eb89d26fd0471118176ac35b39c9d7ba364c7465ec4538207866e1921b0c3"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling avltree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 56.30s
[INFO] running `"docker" "inspect" "d19eb89d26fd0471118176ac35b39c9d7ba364c7465ec4538207866e1921b0c3"`
[INFO] running `"docker" "rm" "-f" "d19eb89d26fd0471118176ac35b39c9d7ba364c7465ec4538207866e1921b0c3"`
[INFO] [stdout] d19eb89d26fd0471118176ac35b39c9d7ba364c7465ec4538207866e1921b0c3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46bf54f9387723760821669d088749763a7b457ba7e9b855616edd533375e948
[INFO] running `"docker" "start" "-a" "46bf54f9387723760821669d088749763a7b457ba7e9b855616edd533375e948"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.74s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/avltree-803b128d19b21de4
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test bench::empty ... ok
[INFO] [stdout] test bench::setup_random_btree_set ... ok
[INFO] [stdout] test bench::setup_random_avltree_set ... ok
[INFO] [stdout] test bench::take_random_btree_set ... ok
[INFO] [stdout] test set::properties::balanced_nodes ... ok
[INFO] [stdout] test bench::take_random_avltree_set ... ok
[INFO] [stdout] test set::properties::contains_parity ... ok
[INFO] [stdout] test set::properties::node_height ... ok
[INFO] [stdout] test set::properties::iterator_parity ... ok
[INFO] [stdout] test set::properties::rotate_left_tilts_balance_factor ... ok
[INFO] [stdout] test set::properties::rotate_left_and_rotate_left_identity ... ok
[INFO] [stdout] test set::properties::insert_parity ... ok
[INFO] [stdout] test set::properties::rotate_left_preserves_order ... ok
[INFO] [stdout] test set::properties::rotate_right_tilts_balance_factor ... ok
[INFO] [stdout] test set::properties::rotate_right_preserves_order ... ok
[INFO] [stdout] test set::properties::take_iterator_parity ... ok
[INFO] [stdout] test set::properties::take_height_nodes ... ok
[INFO] [stdout] test set::properties::take_balanced_nodes ... ok
[INFO] [stdout] test set::properties::take_parity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/avltree-76422a0ec4e2f3ac
[INFO] [stderr]    Doc-tests avltree
[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] [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" "46bf54f9387723760821669d088749763a7b457ba7e9b855616edd533375e948"`
[INFO] running `"docker" "rm" "-f" "46bf54f9387723760821669d088749763a7b457ba7e9b855616edd533375e948"`
[INFO] [stdout] 46bf54f9387723760821669d088749763a7b457ba7e9b855616edd533375e948