[INFO] fetching crate fork-tree 13.0.1...
[INFO] testing fork-tree-13.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fork-tree 13.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fork-tree 13.0.1
[INFO] finished tweaking crates.io crate fork-tree 13.0.1
[INFO] tweaked toml for crates.io crate fork-tree 13.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fork-tree 13.0.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5e43bda9d1d9f0a9daf7fd6a479a09fe1c4e49940a703ae0ea0ae3531a4b7f3
[INFO] running `Command { std: "docker" "start" "-a" "d5e43bda9d1d9f0a9daf7fd6a479a09fe1c4e49940a703ae0ea0ae3531a4b7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5e43bda9d1d9f0a9daf7fd6a479a09fe1c4e49940a703ae0ea0ae3531a4b7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e43bda9d1d9f0a9daf7fd6a479a09fe1c4e49940a703ae0ea0ae3531a4b7f3", kill_on_drop: false }`
[INFO] [stdout] d5e43bda9d1d9f0a9daf7fd6a479a09fe1c4e49940a703ae0ea0ae3531a4b7f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ac6b98d794a89648fc6f4de2f46fdb8a4b9b8b5274530131fe91f5c95a20629
[INFO] running `Command { std: "docker" "start" "-a" "5ac6b98d794a89648fc6f4de2f46fdb8a4b9b8b5274530131fe91f5c95a20629", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.7.5
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling fork-tree v13.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.04s
[INFO] running `Command { std: "docker" "inspect" "5ac6b98d794a89648fc6f4de2f46fdb8a4b9b8b5274530131fe91f5c95a20629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac6b98d794a89648fc6f4de2f46fdb8a4b9b8b5274530131fe91f5c95a20629", kill_on_drop: false }`
[INFO] [stdout] 5ac6b98d794a89648fc6f4de2f46fdb8a4b9b8b5274530131fe91f5c95a20629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ddfae313bb13de79c14a088bcdd7e498d82813b7c97cd35886809c1194bdc5
[INFO] running `Command { std: "docker" "start" "-a" "e1ddfae313bb13de79c14a088bcdd7e498d82813b7c97cd35886809c1194bdc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling fork-tree v13.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "e1ddfae313bb13de79c14a088bcdd7e498d82813b7c97cd35886809c1194bdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ddfae313bb13de79c14a088bcdd7e498d82813b7c97cd35886809c1194bdc5", kill_on_drop: false }`
[INFO] [stdout] e1ddfae313bb13de79c14a088bcdd7e498d82813b7c97cd35886809c1194bdc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aea47f23182bbc00b12d10002cc7b0961118af2e329f838af3b93a3d32a228e7
[INFO] running `Command { std: "docker" "start" "-a" "aea47f23182bbc00b12d10002cc7b0961118af2e329f838af3b93a3d32a228e7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fork_tree-61031cf803896a44)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test::drain_filter_works ... ok
[INFO] [stdout] test test::finalize_root_works ... ok
[INFO] [stdout] test test::find_node_backtracks_after_finding_highest_descending_node ... ok
[INFO] [stdout] test test::finalize_with_ancestor_works ... ok
[INFO] [stdout] test test::finalize_works ... ok
[INFO] [stdout] test test::finalize_with_descendent_works ... ok
[INFO] [stdout] test test::find_node_index_with_predicate_works ... ok
[INFO] [stdout] test test::find_node_index_works ... ok
[INFO] [stdout] test test::find_node_works ... ok
[INFO] [stdout] test test::import_doesnt_add_duplicates ... ok
[INFO] [stdout] test test::import_doesnt_revert ... ok
[INFO] [stdout] test test::iter_iterates_in_preorder ... ok
[INFO] [stdout] test test::prune_works_for_not_direct_ancestor ... ok
[INFO] [stdout] test test::prune_works_for_in_tree_hashes ... ok
[INFO] [stdout] test test::post_order_traversal_requirement ... ok
[INFO] [stdout] test test::map_works ... ok
[INFO] [stdout] test test::prune_works_for_far_away_ancestor ... ok
[INFO] [stdout] test test::minimizes_calls_to_is_descendent_of ... ok
[INFO] [stdout] test test::prune_works_for_out_of_tree_hashes ... ok
[INFO] [stdout] test test::rebalance_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fork_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" "aea47f23182bbc00b12d10002cc7b0961118af2e329f838af3b93a3d32a228e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea47f23182bbc00b12d10002cc7b0961118af2e329f838af3b93a3d32a228e7", kill_on_drop: false }`
[INFO] [stdout] aea47f23182bbc00b12d10002cc7b0961118af2e329f838af3b93a3d32a228e7