[INFO] fetching crate lr_trie 4.0.3...
[INFO] testing lr_trie-4.0.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate lr_trie 4.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate lr_trie 4.0.3
[INFO] finished tweaking crates.io crate lr_trie 4.0.3
[INFO] tweaked toml for crates.io crate lr_trie 4.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lr_trie 4.0.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lr_trie 4.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 641de4004919c64d5813f73bd1e8178f12d56aa025c25f1cf305e558d134bb10
[INFO] running `Command { std: "docker" "start" "-a" "641de4004919c64d5813f73bd1e8178f12d56aa025c25f1cf305e558d134bb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641de4004919c64d5813f73bd1e8178f12d56aa025c25f1cf305e558d134bb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641de4004919c64d5813f73bd1e8178f12d56aa025c25f1cf305e558d134bb10", kill_on_drop: false }`
[INFO] [stdout] 641de4004919c64d5813f73bd1e8178f12d56aa025c25f1cf305e558d134bb10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d917ef8857cf1a64cde4ee00793f74cdb31a40fcaa1ad626808a243d6ed049ed
[INFO] running `Command { std: "docker" "start" "-a" "d917ef8857cf1a64cde4ee00793f74cdb31a40fcaa1ad626808a243d6ed049ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling lr_trie v4.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:384:14
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn track(&self, key: &Key, lr: LeftRight, ts: TraStrain) -> TraRes {
[INFO] [stdout]     |              ^^^^^ the lifetime is elided here                  ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn track(&self, key: &Key, lr: LeftRight, ts: TraStrain) -> TraRes<'_> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "d917ef8857cf1a64cde4ee00793f74cdb31a40fcaa1ad626808a243d6ed049ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d917ef8857cf1a64cde4ee00793f74cdb31a40fcaa1ad626808a243d6ed049ed", kill_on_drop: false }`
[INFO] [stdout] d917ef8857cf1a64cde4ee00793f74cdb31a40fcaa1ad626808a243d6ed049ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f73b6907a70593004ad6d4c2eddca0ed03552715fea00020132e44e660a3d0
[INFO] running `Command { std: "docker" "start" "-a" "31f73b6907a70593004ad6d4c2eddca0ed03552715fea00020132e44e660a3d0", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:384:14
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn track(&self, key: &Key, lr: LeftRight, ts: TraStrain) -> TraRes {
[INFO] [stdout]     |              ^^^^^ the lifetime is elided here                  ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn track(&self, key: &Key, lr: LeftRight, ts: TraStrain) -> TraRes<'_> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lr_trie v4.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:384:14
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn track(&self, key: &Key, lr: LeftRight, ts: TraStrain) -> TraRes {
[INFO] [stdout]     |              ^^^^^ the lifetime is elided here                  ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn track(&self, key: &Key, lr: LeftRight, ts: TraStrain) -> TraRes<'_> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "31f73b6907a70593004ad6d4c2eddca0ed03552715fea00020132e44e660a3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f73b6907a70593004ad6d4c2eddca0ed03552715fea00020132e44e660a3d0", kill_on_drop: false }`
[INFO] [stdout] 31f73b6907a70593004ad6d4c2eddca0ed03552715fea00020132e44e660a3d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 830057f58e2070c1a892375bdb0e15d1d66fa823e14d44d1b5b10ff870939efc
[INFO] running `Command { std: "docker" "start" "-a" "830057f58e2070c1a892375bdb0e15d1d66fa823e14d44d1b5b10ff870939efc", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:384:14
[INFO] [stderr]     |
[INFO] [stderr] 384 |     fn track(&self, key: &Key, lr: LeftRight, ts: TraStrain) -> TraRes {
[INFO] [stderr]     |              ^^^^^ the lifetime is elided here                  ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 384 |     fn track(&self, key: &Key, lr: LeftRight, ts: TraStrain) -> TraRes<'_> {
[INFO] [stderr]     |                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `lr_trie` (lib) generated 1 warning (run `cargo fix --lib -p lr_trie` to apply 1 suggestion)
[INFO] [stderr] warning: `lr_trie` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lr_trie-478c3e5a45eb021a)
[INFO] [stdout] 
[INFO] [stdout] running 86 tests
[INFO] [stdout] test tests_of_units::cl_lrref::has_not_to ... ok
[INFO] [stdout] test tests_of_units::cl_lrref::has_to ... ok
[INFO] [stdout] test tests_of_units::construct_e::construction ... ok
[INFO] [stdout] test tests_of_units::construct_e::root_escape ... ok
[INFO] [stdout] test tests_of_units::count ... ok
[INFO] [stdout] test tests_of_units::clear ... ok
[INFO] [stdout] test tests_of_units::delete_entry_side::keynode_with_links ... ok
[INFO] [stdout] test tests_of_units::delete_entry_side::node_being_keyentry ... ok
[INFO] [stdout] test tests_of_units::delete_entry_side::node_with_links ... ok
[INFO] [stdout] test tests_of_units::delete_entry_side::root_escape ... ok
[INFO] [stdout] test tests_of_units::delete_key_side::keynode_with_links ... ok
[INFO] [stdout] test tests_of_units::delete_key_side::node_being_keyentry ... ok
[INFO] [stdout] test tests_of_units::delete_key_side::node_with_links ... ok
[INFO] [stdout] test tests_of_units::delete_key_side::root_escape ... ok
[INFO] [stdout] test tests_of_units::delete_subnode::deletion_continues ... ok
[INFO] [stdout] test tests_of_units::delete_subnode::key_node ... ok
[INFO] [stdout] test tests_of_units::extract::empty ... ok
[INFO] [stdout] test tests_of_units::delete_subnode::node_with_links ... ok
[INFO] [stdout] test tests_of_units::insert_crux::basic_test ... ok
[INFO] [stdout] test tests_of_units::keyentry::deref ... ok
[INFO] [stdout] test tests_of_units::ext::load ... ok
[INFO] [stdout] test tests_of_units::leftright_test_impl::invert ... ok
[INFO] [stdout] test tests_of_units::keyentry::new::none ... ok
[INFO] [stdout] test tests_of_units::index_of_c::none ... ok
[INFO] [stdout] test tests_of_units::load_1 ... ok
[INFO] [stdout] test tests_of_units::load_2 ... ok
[INFO] [stdout] test tests_of_units::extract::left ... ok
[INFO] [stdout] test tests_of_units::ext::basic_test ... ok
[INFO] [stdout] test tests_of_units::index_of_c::some ... ok
[INFO] [stdout] test tests_of_units::keyentry::new::some ... ok
[INFO] [stdout] test tests_of_units::extract::right ... ok
[INFO] [stdout] test tests_of_units::insert_crux::existing_path_insert ... ok
[INFO] [stdout] test tests_of_units::lrtrie_test_impl::cc_trace ... ok
[INFO] [stdout] test tests_of_units::node::as_mut ... ok
[INFO] [stdout] test tests_of_units::node::as_ref ... ok
[INFO] [stdout] test tests_of_units::node::empty ... ok
[INFO] [stdout] test tests_of_units::node::links ... ok
[INFO] [stdout] test tests_of_units::node::to_mut_ptr ... ok
[INFO] [stdout] test tests_of_units::pathnode::n_mut ... ok
[INFO] [stdout] test tests_of_units::node_test_imp::eq ... ok
[INFO] [stdout] test tests_of_units::pathnode_test_impl::n_ref ... ok
[INFO] [stdout] test tests_of_units::node::lrref ... ok
[INFO] [stdout] test tests_of_units::readme::test ... ok
[INFO] [stdout] test tests_of_units::node::new ... ok
[INFO] [stdout] test tests_of_units::set_cap::extend ... ok
[INFO] [stdout] test tests_of_units::set_cap::same ... ok
[INFO] [stdout] test tests_of_units::set_cap::shrink ... ok
[INFO] [stdout] test tests_of_units::trie::aq_buf_cap::entry ... ok
[INFO] [stdout] test tests_of_units::trie::aq_buf_cap::trace ... ok
[INFO] [stdout] test tests_of_units::trie::delete::branching_node ... ok
[INFO] [stdout] test tests_of_units::trie::delete::inner_entry ... ok
[INFO] [stdout] test tests_of_units::trie::delete::known_unknown ... ok
[INFO] [stdout] test tests_of_units::trie::delete::links_removal ... ok
[INFO] [stdout] test tests_of_units::trie::delete::node_being_keyentry ... ok
[INFO] [stdout] test tests_of_units::trie::delete::node_composing_path ... ok
[INFO] [stdout] test tests_of_units::trie::delete::one_letter_a ... ok
[INFO] [stdout] test tests_of_units::trie::insert::basic_test ... ok
[INFO] [stdout] test tests_of_units::trie::insert::entry_map_merge ... ok
[INFO] [stdout] test tests_of_units::trie::links ... ok
[INFO] [stdout] test tests_of_units::trie::insert::reinsert_different ... ok
[INFO] [stdout] test tests_of_units::trie::delete::one_letter_b ... ok
[INFO] [stdout] test tests_of_units::trie::member::not_member ... ok
[INFO] [stdout] test tests_of_units::trie::member::member ... ok
[INFO] [stdout] test tests_of_units::trie::new ... ok
[INFO] [stdout] test tests_of_units::trie::put_buf_cap::entry ... ok
[INFO] [stdout] test tests_of_units::trie::put_buf_cap::trace ... ok
[INFO] [stdout] test tests_of_units::trie::insert::reinsert_same ... ok
[INFO] [stdout] test tests_of_units::trie::root ... ok
[INFO] [stdout] test tests_of_units::trie::track::ok ... ok
[INFO] [stdout] test uc::tests_of_units::get_mut ... ok
[INFO] [stdout] test tests_of_units::trie::track::ok_ref ... ok
[INFO] [stdout] test tests_of_units::trie::track::unknown_not_entry ... ok
[INFO] [stdout] test tests_of_units::trie::track::tracing ... ok
[INFO] [stdout] test tests_of_units::trie::track::unknown_not_path ... ok
[INFO] [stdout] test tests_of_units::trie::track::unknown_not_path2 ... ok
[INFO] [stdout] test tra::tests_of_units::has_has ... ok
[INFO] [stdout] test tra::tests_of_units::unset ... ok
[INFO] [stdout] test tra::tests_of_units::values ... ok
[INFO] [stdout] test tra::tests_of_units::has_has_not ... ok
[INFO] [stdout] test uc::tests_of_units::partial_eq::eq ... ok
[INFO] [stdout] test uc::tests_of_units::partial_eq::not_eq ... ok
[INFO] [stdout] test uc::tests_of_units::get_ref ... ok
[INFO] [stdout] test uc::tests_of_units::new ... ok
[INFO] [stdout] test uc::tests_of_units::deref ... ok
[INFO] [stdout] test tests_of_units::delete_subnode::index_out_of_bounds - should panic ... ok
[INFO] [stdout] test tests_of_units::trie::track::unsupported_result - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 86 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lr_trie
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - LrTrie::put_buf_cap (line 499) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "830057f58e2070c1a892375bdb0e15d1d66fa823e14d44d1b5b10ff870939efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830057f58e2070c1a892375bdb0e15d1d66fa823e14d44d1b5b10ff870939efc", kill_on_drop: false }`
[INFO] [stdout] 830057f58e2070c1a892375bdb0e15d1d66fa823e14d44d1b5b10ff870939efc