[INFO] fetching crate binary-search-tree-visualizer 0.1.0...
[INFO] checking binary-search-tree-visualizer-0.1.0 against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] extracting crate binary-search-tree-visualizer 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate binary-search-tree-visualizer 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate binary-search-tree-visualizer 0.1.0
[INFO] tweaked toml for crates.io crate binary-search-tree-visualizer 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate binary-search-tree-visualizer 0.1.0 on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate binary-search-tree-visualizer 0.1.0 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e736a4e9faf6f086763570a5cda90a6eb4595217d8d5ec6a635140d7f2ce3bea
[INFO] running `Command { std: "docker" "start" "-a" "e736a4e9faf6f086763570a5cda90a6eb4595217d8d5ec6a635140d7f2ce3bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e736a4e9faf6f086763570a5cda90a6eb4595217d8d5ec6a635140d7f2ce3bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e736a4e9faf6f086763570a5cda90a6eb4595217d8d5ec6a635140d7f2ce3bea", kill_on_drop: false }`
[INFO] [stdout] e736a4e9faf6f086763570a5cda90a6eb4595217d8d5ec6a635140d7f2ce3bea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54f8c799995c38f83b014f37a51f47ed9918b38007b2f2230b6a5082822150b2
[INFO] running `Command { std: "docker" "start" "-a" "54f8c799995c38f83b014f37a51f47ed9918b38007b2f2230b6a5082822150b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking svg v0.13.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking binary-search-tree-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tree/mod.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn inorder(&self) -> InOrderIterator<T> {
[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] 69 |     pub fn inorder(&self) -> InOrderIterator<'_, T> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tree/mod.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn inorder(&self) -> InOrderIterator<T> {
[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] 69 |     pub fn inorder(&self) -> InOrderIterator<'_, T> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "54f8c799995c38f83b014f37a51f47ed9918b38007b2f2230b6a5082822150b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f8c799995c38f83b014f37a51f47ed9918b38007b2f2230b6a5082822150b2", kill_on_drop: false }`
[INFO] [stdout] 54f8c799995c38f83b014f37a51f47ed9918b38007b2f2230b6a5082822150b2