[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 try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatreed%2Frust_tree_lib" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natreed/rust_tree_lib on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c31cd833094cd3417c24ec9d86f290786497568c04f8b41a16f048898ba3e5a
[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" "3c31cd833094cd3417c24ec9d86f290786497568c04f8b41a16f048898ba3e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c31cd833094cd3417c24ec9d86f290786497568c04f8b41a16f048898ba3e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c31cd833094cd3417c24ec9d86f290786497568c04f8b41a16f048898ba3e5a", kill_on_drop: false }`
[INFO] [stdout] 3c31cd833094cd3417c24ec9d86f290786497568c04f8b41a16f048898ba3e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 03530dc96cf2699b698db5587ccf3870e1eb8e74c449242a54d9c731b0332f7d
[INFO] running `Command { std: "docker" "start" "-a" "03530dc96cf2699b698db5587ccf3870e1eb8e74c449242a54d9c731b0332f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "03530dc96cf2699b698db5587ccf3870e1eb8e74c449242a54d9c731b0332f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03530dc96cf2699b698db5587ccf3870e1eb8e74c449242a54d9c731b0332f7d", kill_on_drop: false }`
[INFO] [stdout] 03530dc96cf2699b698db5587ccf3870e1eb8e74c449242a54d9c731b0332f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 984b9069763af9ba6231a30a72e923eb1ffffa0a2ab628fead925e2fe0e13978
[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" "984b9069763af9ba6231a30a72e923eb1ffffa0a2ab628fead925e2fe0e13978", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "984b9069763af9ba6231a30a72e923eb1ffffa0a2ab628fead925e2fe0e13978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984b9069763af9ba6231a30a72e923eb1ffffa0a2ab628fead925e2fe0e13978", kill_on_drop: false }`
[INFO] [stdout] 984b9069763af9ba6231a30a72e923eb1ffffa0a2ab628fead925e2fe0e13978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] 8276deb869accaec95504b002b742b467d34ebd9b228c4563e80c03edbe6d52b
[INFO] running `Command { std: "docker" "start" "-a" "8276deb869accaec95504b002b742b467d34ebd9b228c4563e80c03edbe6d52b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generic_tree-a9d1e4bf140ac069
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test add_node ... ok
[INFO] [stdout] test in_order_iterator_test ... ok
[INFO] [stdout] test max_depth_test ... ok
[INFO] [stdout] test contains_test ... ok
[INFO] [stdout] test take_left_test ... ok
[INFO] [stdout] test post_iterator_test ... ok
[INFO] [stdout] test size_test ... ok
[INFO] [stdout] test min_value_test ... ok
[INFO] [stdout] test take_right_test ... ok
[INFO] [stdout] test find_test ... ok
[INFO] [stdout] test pre_iterator_test ... ok
[INFO] [stdout] test merge_test ... ok
[INFO] [stdout] test in_order_into_iterator_test ... ok
[INFO] [stdout] test min_depth_test ... ok
[INFO] [stdout] test swap_left_test ... ok
[INFO] [stdout] test swap_right_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 `Command { std: "docker" "inspect" "8276deb869accaec95504b002b742b467d34ebd9b228c4563e80c03edbe6d52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8276deb869accaec95504b002b742b467d34ebd9b228c4563e80c03edbe6d52b", kill_on_drop: false }`
[INFO] [stdout] 8276deb869accaec95504b002b742b467d34ebd9b228c4563e80c03edbe6d52b