[INFO] fetching crate tagged-tree 0.4.0...
[INFO] checking tagged-tree-0.4.0 against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] extracting crate tagged-tree 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tagged-tree 0.4.0 on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding duplicate v0.3.0 (available: v2.0.0)
[INFO] [stderr]       Adding heck v0.3.2 (available: v0.3.3)
[INFO] [stderr]       Adding mockall v0.10.2 (available: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded duplicate v0.3.0
[INFO] [stderr]   Downloaded mockall v0.10.2
[INFO] [stderr]   Downloaded mockall_derive v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd94250c2e851cc603e44473d61db16fe0573e797562f4f1d5c610735cc4cce6
[INFO] running `Command { std: "docker" "start" "-a" "dd94250c2e851cc603e44473d61db16fe0573e797562f4f1d5c610735cc4cce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd94250c2e851cc603e44473d61db16fe0573e797562f4f1d5c610735cc4cce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd94250c2e851cc603e44473d61db16fe0573e797562f4f1d5c610735cc4cce6", kill_on_drop: false }`
[INFO] [stdout] dd94250c2e851cc603e44473d61db16fe0573e797562f4f1d5c610735cc4cce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f167f2cf61cff59971d4b63e0e1d73d0eb63e0beb5c026374fad348c99f990ad
[INFO] running `Command { std: "docker" "start" "-a" "f167f2cf61cff59971d4b63e0e1d73d0eb63e0beb5c026374fad348c99f990ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking fragile v2.0.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking tagged-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking fragile v1.2.2
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn iter_single(&self) -> btree_map::Iter<K, Self> {
[INFO] [stdout]    |                        ^^^^^     ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn iter_single(&self) -> btree_map::Iter<'_, K, Self> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn iter_single_mut(&mut self) -> btree_map::IterMut<K, Self> {
[INFO] [stdout]    |                            ^^^^^^^^^     --------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn iter_single_mut(&mut self) -> btree_map::IterMut<'_, K, Self> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn iter_depth_first(&self) -> DepthFirstIter<K, V> {
[INFO] [stdout]    |                             ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn iter_depth_first(&self) -> DepthFirstIter<'_, K, V> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:80:33
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_depth_first_mut(&mut self) -> DepthFirstIterMut<K, V> {
[INFO] [stdout]    |                                 ^^^^^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_depth_first_mut(&mut self) -> DepthFirstIterMut<'_, K, V> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn iter_breadth_first(&self) -> BreadthFirstIter<K, V> {
[INFO] [stdout]    |                               ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn iter_breadth_first(&self) -> BreadthFirstIter<'_, K, V> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:90:35
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn iter_breadth_first_mut(&mut self) -> BreadthFirstIterMut<K, V> {
[INFO] [stdout]    |                                   ^^^^^^^^^     ------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn iter_breadth_first_mut(&mut self) -> BreadthFirstIterMut<'_, K, V> {
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]    Compiling duplicate v0.3.0
[INFO] [stderr]     Checking mockall v0.10.2
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn iter_single(&self) -> btree_map::Iter<K, Self> {
[INFO] [stdout]    |                        ^^^^^     ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn iter_single(&self) -> btree_map::Iter<'_, K, Self> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn iter_single_mut(&mut self) -> btree_map::IterMut<K, Self> {
[INFO] [stdout]    |                            ^^^^^^^^^     --------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn iter_single_mut(&mut self) -> btree_map::IterMut<'_, K, Self> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn iter_depth_first(&self) -> DepthFirstIter<K, V> {
[INFO] [stdout]    |                             ^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn iter_depth_first(&self) -> DepthFirstIter<'_, K, V> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:80:33
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_depth_first_mut(&mut self) -> DepthFirstIterMut<K, V> {
[INFO] [stdout]    |                                 ^^^^^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_depth_first_mut(&mut self) -> DepthFirstIterMut<'_, K, V> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn iter_breadth_first(&self) -> BreadthFirstIter<K, V> {
[INFO] [stdout]    |                               ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn iter_breadth_first(&self) -> BreadthFirstIter<'_, K, V> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:90:35
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn iter_breadth_first_mut(&mut self) -> BreadthFirstIterMut<K, V> {
[INFO] [stdout]    |                                   ^^^^^^^^^     ------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn iter_breadth_first_mut(&mut self) -> BreadthFirstIterMut<'_, K, V> {
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.69s
[INFO] running `Command { std: "docker" "inspect" "f167f2cf61cff59971d4b63e0e1d73d0eb63e0beb5c026374fad348c99f990ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f167f2cf61cff59971d4b63e0e1d73d0eb63e0beb5c026374fad348c99f990ad", kill_on_drop: false }`
[INFO] [stdout] f167f2cf61cff59971d4b63e0e1d73d0eb63e0beb5c026374fad348c99f990ad
