[INFO] fetching crate tagged-tree 0.4.0...
[INFO] testing tagged-tree-0.4.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate tagged-tree 0.4.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate tagged-tree 0.4.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tagged-tree 0.4.0
[INFO] finished tweaking crates.io crate tagged-tree 0.4.0
[INFO] tweaked toml for crates.io crate tagged-tree 0.4.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b0caeaba692338a44f54160cf2f7afc1691f29e9ec8e38409608ae5e71857b8
[INFO] running `Command { std: "docker" "start" "-a" "5b0caeaba692338a44f54160cf2f7afc1691f29e9ec8e38409608ae5e71857b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b0caeaba692338a44f54160cf2f7afc1691f29e9ec8e38409608ae5e71857b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0caeaba692338a44f54160cf2f7afc1691f29e9ec8e38409608ae5e71857b8", kill_on_drop: false }`
[INFO] [stdout] 5b0caeaba692338a44f54160cf2f7afc1691f29e9ec8e38409608ae5e71857b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 832ef8e51a93e136c7c6e7d217b39b405da9b85d4da7e577c547639d9a5f6f5f
[INFO] running `Command { std: "docker" "start" "-a" "832ef8e51a93e136c7c6e7d217b39b405da9b85d4da7e577c547639d9a5f6f5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tagged-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "832ef8e51a93e136c7c6e7d217b39b405da9b85d4da7e577c547639d9a5f6f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832ef8e51a93e136c7c6e7d217b39b405da9b85d4da7e577c547639d9a5f6f5f", kill_on_drop: false }`
[INFO] [stdout] 832ef8e51a93e136c7c6e7d217b39b405da9b85d4da7e577c547639d9a5f6f5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f219633d11952683a1e92f0dfb510da15c25216bf35de6230a7ddf7ba82e5228
[INFO] running `Command { std: "docker" "start" "-a" "f219633d11952683a1e92f0dfb510da15c25216bf35de6230a7ddf7ba82e5228", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling termtree v0.2.3
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]    Compiling duplicate v0.3.0
[INFO] [stderr]    Compiling mockall v0.10.2
[INFO] [stderr]    Compiling tagged-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `Command { std: "docker" "inspect" "f219633d11952683a1e92f0dfb510da15c25216bf35de6230a7ddf7ba82e5228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f219633d11952683a1e92f0dfb510da15c25216bf35de6230a7ddf7ba82e5228", kill_on_drop: false }`
[INFO] [stdout] f219633d11952683a1e92f0dfb510da15c25216bf35de6230a7ddf7ba82e5228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 963dcf36b55894d7f603c1b02b5c994e3c8a1320a30db60511e615210c2401d1
[INFO] running `Command { std: "docker" "start" "-a" "963dcf36b55894d7f603c1b02b5c994e3c8a1320a30db60511e615210c2401d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tagged_tree-87818f81572f673a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test iterators::depth_first::tests::go_down_one_level_should_fail ... ok
[INFO] [stdout] test iterators::depth_first::tests::go_up_one_level_should_fail ... ok
[INFO] [stdout] test iterators::depth_first::tests_mut::go_down_one_level_should_fail ... ok
[INFO] [stdout] test iterators::depth_first::tests::go_up_one_level_should_succeed ... ok
[INFO] [stdout] test iterators::depth_first::tests_mut::go_down_one_level_should_succeed ... ok
[INFO] [stdout] test iterators::depth_first::tests::go_down_one_level_should_succeed ... ok
[INFO] [stdout] test iterators::depth_first::tests_mut::go_up_one_level_should_fail ... ok
[INFO] [stdout] test iterators::depth_first::tests_mut::go_up_one_level_should_succeed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-67bb3441aaef2be2)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/breadth_first_traversal.rs (/opt/rustwide/target/debug/deps/breadth_first_traversal-02b017ff90ea25cb)
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/depth_first_traversal.rs (/opt/rustwide/target/debug/deps/depth_first_traversal-fbc1649eb8575446)
[INFO] [stdout] test can_make_tree ... ok
[INFO] [stderr]    Doc-tests tagged-tree
[INFO] [stdout] test can_make_tree_with_children ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test traverse_empty_tree ... ok
[INFO] [stdout] test traverse_tree_with_one_generation ... ok
[INFO] [stdout] test traverse_tree_with_one_generation_mut ... ok
[INFO] [stdout] test traverse_empty_tree_mut ... ok
[INFO] [stdout] test traverse_tree_with_two_generations_mut ... ok
[INFO] [stdout] test traverse_tree_with_two_generations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test traverse_empty_tree ... ok
[INFO] [stdout] test traverse_empty_tree_mut ... ok
[INFO] [stdout] test traverse_tree_with_one_generation ... ok
[INFO] [stdout] test traverse_tree_with_one_generation_mut ... ok
[INFO] [stdout] test traverse_tree_with_two_generations_mut ... ok
[INFO] [stdout] test traverse_tree_with_two_generations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 387) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "963dcf36b55894d7f603c1b02b5c994e3c8a1320a30db60511e615210c2401d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963dcf36b55894d7f603c1b02b5c994e3c8a1320a30db60511e615210c2401d1", kill_on_drop: false }`
[INFO] [stdout] 963dcf36b55894d7f603c1b02b5c994e3c8a1320a30db60511e615210c2401d1