[INFO] fetching crate tree_by_path 1.0.3...
[INFO] testing tree_by_path-1.0.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate tree_by_path 1.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tree_by_path 1.0.3
[INFO] finished tweaking crates.io crate tree_by_path 1.0.3
[INFO] tweaked toml for crates.io crate tree_by_path 1.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_by_path 1.0.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0b518681b2f8b01ec0c87fc8765af8f39afc4b8cb103ec786ab5653442d2ea9
[INFO] running `Command { std: "docker" "start" "-a" "a0b518681b2f8b01ec0c87fc8765af8f39afc4b8cb103ec786ab5653442d2ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b518681b2f8b01ec0c87fc8765af8f39afc4b8cb103ec786ab5653442d2ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b518681b2f8b01ec0c87fc8765af8f39afc4b8cb103ec786ab5653442d2ea9", kill_on_drop: false }`
[INFO] [stdout] a0b518681b2f8b01ec0c87fc8765af8f39afc4b8cb103ec786ab5653442d2ea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c1caa66d937d56ce8b7a761b2bb173fce2d5b40442b7d872b7e408078e63fd2
[INFO] running `Command { std: "docker" "start" "-a" "8c1caa66d937d56ce8b7a761b2bb173fce2d5b40442b7d872b7e408078e63fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree_by_path v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1184:17
[INFO] [stdout]      |
[INFO] [stdout] 1184 |     pub fn iter(&self) -> NodeIterator<C> {
[INFO] [stdout]      |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided 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] 1184 |     pub fn iter(&self) -> NodeIterator<'_, C> {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "8c1caa66d937d56ce8b7a761b2bb173fce2d5b40442b7d872b7e408078e63fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1caa66d937d56ce8b7a761b2bb173fce2d5b40442b7d872b7e408078e63fd2", kill_on_drop: false }`
[INFO] [stdout] 8c1caa66d937d56ce8b7a761b2bb173fce2d5b40442b7d872b7e408078e63fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f1525b6d9bbd16433d19f69ead9ecd767c84c7f8f8b73620010956ac1300ba
[INFO] running `Command { std: "docker" "start" "-a" "c6f1525b6d9bbd16433d19f69ead9ecd767c84c7f8f8b73620010956ac1300ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree_by_path v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1184:17
[INFO] [stdout]      |
[INFO] [stdout] 1184 |     pub fn iter(&self) -> NodeIterator<C> {
[INFO] [stdout]      |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided 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] 1184 |     pub fn iter(&self) -> NodeIterator<'_, C> {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1184:17
[INFO] [stdout]      |
[INFO] [stdout] 1184 |     pub fn iter(&self) -> NodeIterator<C> {
[INFO] [stdout]      |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided 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] 1184 |     pub fn iter(&self) -> NodeIterator<'_, C> {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "c6f1525b6d9bbd16433d19f69ead9ecd767c84c7f8f8b73620010956ac1300ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f1525b6d9bbd16433d19f69ead9ecd767c84c7f8f8b73620010956ac1300ba", kill_on_drop: false }`
[INFO] [stdout] c6f1525b6d9bbd16433d19f69ead9ecd767c84c7f8f8b73620010956ac1300ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e531e28ac4a1eb753d4dff07fbee432c73840eadd4ae7b6e2fa986d9c58c25c7
[INFO] running `Command { std: "docker" "start" "-a" "e531e28ac4a1eb753d4dff07fbee432c73840eadd4ae7b6e2fa986d9c58c25c7", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:1184:17
[INFO] [stderr]      |
[INFO] [stderr] 1184 |     pub fn iter(&self) -> NodeIterator<C> {
[INFO] [stderr]      |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 the lifetime is elided 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] 1184 |     pub fn iter(&self) -> NodeIterator<'_, C> {
[INFO] [stderr]      |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `tree_by_path` (lib) generated 1 warning (run `cargo fix --lib -p tree_by_path` to apply 1 suggestion)
[INFO] [stderr] warning: `tree_by_path` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_by_path-c1b0b15aad3575bb)
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stdout] test tests::node_50_000_subnodes ... ignored
[INFO] [stdout] test tests::node_add_cargo_after_empty ... ok
[INFO] [stdout] test tests::node_add_cargo_after_path ... ok
[INFO] [stdout] test tests::node_add_node_after_empty ... ok
[INFO] [stdout] test tests::node_add_node_after_path ... ok
[INFO] [stdout] test tests::node_add_node_before_path ... ok
[INFO] [stdout] test tests::node_add_node_under_nonexistent ... ok
[INFO] [stdout] test tests::node_add_node_before_empty ... ok
[INFO] [stdout] test tests::node_add_node_under_path ... ok
[INFO] [stdout] test tests::node_add_cargo_before_empty ... ok
[INFO] [stdout] test tests::node_borrow_mut_cargo ... ok
[INFO] [stdout] test tests::node_borrow_mut_node ... ok
[INFO] [stdout] test tests::node_add_cargo_under_path ... ok
[INFO] [stdout] test tests::node_add_cargo_before_path ... ok
[INFO] [stdout] test tests::node_borrow_cargo ... ok
[INFO] [stdout] test tests::node_borrow_node ... ok
[INFO] [stdout] test tests::node_clone_clonable_cargo ... ok
[INFO] [stdout] test tests::node_extract_node_by_lone_leaf ... ok
[INFO] [stdout] test tests::node_extract_node_by_lone_non_leaf ... ok
[INFO] [stdout] test tests::node_extract_node_by_nonexistent ... ok
[INFO] [stdout] test tests::node_get_last_on_lone_root ... ok
[INFO] [stdout] test tests::node_get_next_from_last ... ok
[INFO] [stdout] test tests::node_get_next_from_last_is_grandchild ... ok
[INFO] [stdout] test tests::node_extract_node_by_non_leaf ... ok
[INFO] [stdout] test tests::node_get_next_next_sibling ... ok
[INFO] [stdout] test tests::node_get_next_input_not_found ... ok
[INFO] [stdout] test tests::node_get_next_non_child_to_grandparents_sibling ... ok
[INFO] [stdout] test tests::node_get_next_on_lone_root ... ok
[INFO] [stdout] test tests::node_get_next_root_to_child ... ok
[INFO] [stdout] test tests::node_get_previous ... ok
[INFO] [stdout] test tests::node_iter ... ok
[INFO] [stdout] test tests::node_get_last_on_first_level ... ok
[INFO] [stdout] test tests::node_get_last_on_lone_child ... ok
[INFO] [stdout] test tests::node_iter_back ... ok
[INFO] [stdout] test tests::node_new ... ok
[INFO] [stdout] test tests::node_get_next_non_child_to_parents_sibling ... ok
[INFO] [stderr]    Doc-tests tree_by_path
[INFO] [stdout] test tests::node_extract_node_by_root ... ok
[INFO] [stdout] test tests::node_set_cargo ... ok
[INFO] [stdout] test tests::node_set_cargo_wrong_path ... ok
[INFO] [stdout] test tests::node_set_cargo_on_root ... ok
[INFO] [stdout] test tests::node_swap_cargo_root ... ok
[INFO] [stdout] test tests::node_get_previous_from_unexistent ... ok
[INFO] [stdout] test tests::node_swap_cargo_wrong_path ... ok
[INFO] [stdout] test tests::node_get_previous_from_root ... ok
[INFO] [stdout] test tests::node_iter_back_lone_root ... ok
[INFO] [stdout] test tests::node_iter_lone_root ... ok
[INFO] [stdout] test tests::node_iter_next_back_dont_cross ... ok
[INFO] [stdout] test tests::node_swap_cargo_non_root ... ok
[INFO] [stdout] test tests::node_swap_node ... ok
[INFO] [stdout] test tests::node_get_next_non_root_to_child ... ok
[INFO] [stdout] test tests::node_swap_node_by_nonexistent ... ok
[INFO] [stdout] test tests::node_swap_node_by_root ... ok
[INFO] [stdout] test tests::vec_partialeq::vec_unequal_size ... ok
[INFO] [stdout] test tests::node_iter_back_next_dont_cross ... ok
[INFO] [stdout] test tests::vec_partialeq::vec_unequal_size_same_elements ... ok
[INFO] [stdout] test tests::node_traverse_back_skip_children ... ok
[INFO] [stdout] test tests::node_traverse_back_skip_children_on_first_child ... ok
[INFO] [stdout] test tests::node_traverse_back_skip_children_on_lone_root ... ok
[INFO] [stdout] test tests::node_traverse_break ... ok
[INFO] [stdout] test tests::node_traverse_lone_root ... ok
[INFO] [stdout] test tests::node_traverse_mut_and_change ... ok
[INFO] [stdout] test tests::node_traverse_mut_back_and_change ... ok
[INFO] [stdout] test tests::node_traverse_mut_change_children ... ok
[INFO] [stdout] test tests::node_traverse_skip_children ... ok
[INFO] [stdout] test tests::node_traverse_skip_children_on_lone_root ... ok
[INFO] [stdout] test tests::vec_partialeq::vec_same_len ... ok
[INFO] [stdout] test tests::node_get_next_from_last_unwrap - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs - (line 92) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::add_node_under_path (line 753) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::set_cargo (line 1006) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::borrow_mut_cargo (line 962) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::swap_cargo (line 1041) ... ok
[INFO] [stdout] test src/lib.rs - (line 2) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::get_next_path (line 442) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::borrow_cargo (line 925) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 116) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::add_cargo_under_path (line 551) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::swap_cargo (line 1093) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::extract_node (line 688) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::traverse (line 1207) ... ok
[INFO] [stdout] test src/lib.rs - Node (line 335) ... ok
[INFO] [stdout] test src/lib.rs - (line 188) ... ok
[INFO] [stdout] test src/lib.rs - Node<C>::traverse_mut (line 1282) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e531e28ac4a1eb753d4dff07fbee432c73840eadd4ae7b6e2fa986d9c58c25c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e531e28ac4a1eb753d4dff07fbee432c73840eadd4ae7b6e2fa986d9c58c25c7", kill_on_drop: false }`
[INFO] [stdout] e531e28ac4a1eb753d4dff07fbee432c73840eadd4ae7b6e2fa986d9c58c25c7