[INFO] fetching crate flattree 2.0.0...
[INFO] testing flattree-2.0.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate flattree 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate flattree 2.0.0 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 crates.io crate flattree 2.0.0
[INFO] finished tweaking crates.io crate flattree 2.0.0
[INFO] tweaked toml for crates.io crate flattree 2.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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_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] 7d73c440ec86d617d6f30e01f0c14a393875c33349dc218a0ab282e16fb62135
[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" "7d73c440ec86d617d6f30e01f0c14a393875c33349dc218a0ab282e16fb62135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d73c440ec86d617d6f30e01f0c14a393875c33349dc218a0ab282e16fb62135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d73c440ec86d617d6f30e01f0c14a393875c33349dc218a0ab282e16fb62135", kill_on_drop: false }`
[INFO] [stdout] 7d73c440ec86d617d6f30e01f0c14a393875c33349dc218a0ab282e16fb62135
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1fdfb106d2d91395286532531ab7936858dbced913101c0ffb4da0f4808576b
[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" "d1fdfb106d2d91395286532531ab7936858dbced913101c0ffb4da0f4808576b", kill_on_drop: false }`
[INFO] [stderr]    Compiling flattree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "d1fdfb106d2d91395286532531ab7936858dbced913101c0ffb4da0f4808576b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1fdfb106d2d91395286532531ab7936858dbced913101c0ffb4da0f4808576b", kill_on_drop: false }`
[INFO] [stdout] d1fdfb106d2d91395286532531ab7936858dbced913101c0ffb4da0f4808576b
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aba6f595ea84fe64c8627002078650869bf7f4430f5ceba6039af6835de9d48e
[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" "aba6f595ea84fe64c8627002078650869bf7f4430f5ceba6039af6835de9d48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling flattree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "aba6f595ea84fe64c8627002078650869bf7f4430f5ceba6039af6835de9d48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba6f595ea84fe64c8627002078650869bf7f4430f5ceba6039af6835de9d48e", kill_on_drop: false }`
[INFO] [stdout] aba6f595ea84fe64c8627002078650869bf7f4430f5ceba6039af6835de9d48e
[INFO] running `Command { std: "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@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] 99c087ba04f6d11d7fc57ac9a5fb73156668a3702734dcdf84300439ccb42e45
[INFO] running `Command { std: "docker" "start" "-a" "99c087ba04f6d11d7fc57ac9a5fb73156668a3702734dcdf84300439ccb42e45", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flattree-cb99cff537183c71
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test_child_to_parent_to_child ... ok
[INFO] [stdout] test test_base_blocks ... ok
[INFO] [stdout] test test_iterator_non_leaf_start ... ok
[INFO] [stdout] test test_left_child ... ok
[INFO] [stdout] test test_parent_gt_int32 ... ok
[INFO] [stdout] test test_parents ... ok
[INFO] [stdout] test test_left_span ... ok
[INFO] [stdout] test test_siblings ... ok
[INFO] [stdout] test test_right_span ... ok
[INFO] [stdout] test test_spans ... ok
[INFO] [stdout] test test_iterator ... ok
[INFO] [stdout] test test_depths ... ok
[INFO] [stdout] test test_count ... ok
[INFO] [stdout] test test_full_roots ... ok
[INFO] [stdout] test test_offsets ... ok
[INFO] [stdout] test test_children ... ok
[INFO] [stdout] test test_right_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flattree
[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" "99c087ba04f6d11d7fc57ac9a5fb73156668a3702734dcdf84300439ccb42e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c087ba04f6d11d7fc57ac9a5fb73156668a3702734dcdf84300439ccb42e45", kill_on_drop: false }`
[INFO] [stdout] 99c087ba04f6d11d7fc57ac9a5fb73156668a3702734dcdf84300439ccb42e45