[INFO] cloning repository https://github.com/UpsideDownFoxxo/GDB-Tree.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UpsideDownFoxxo/GDB-Tree.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUpsideDownFoxxo%2FGDB-Tree.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUpsideDownFoxxo%2FGDB-Tree.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 373c9fc4404aa1d2bdf1a49d64ae3eb6c1885f5f
[INFO] checking UpsideDownFoxxo/GDB-Tree.rs against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-20
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUpsideDownFoxxo%2FGDB-Tree.rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/UpsideDownFoxxo/GDB-Tree.rs
[INFO] finished tweaking git repo https://github.com/UpsideDownFoxxo/GDB-Tree.rs
[INFO] tweaked toml for git repo https://github.com/UpsideDownFoxxo/GDB-Tree.rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/UpsideDownFoxxo/GDB-Tree.rs on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/UpsideDownFoxxo/GDB-Tree.rs 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random v0.14.0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47232c6e14344db6a94f168dfb015e7832301f1d3c3454efc7665b8185d3f2ab
[INFO] running `Command { std: "docker" "start" "-a" "47232c6e14344db6a94f168dfb015e7832301f1d3c3454efc7665b8185d3f2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47232c6e14344db6a94f168dfb015e7832301f1d3c3454efc7665b8185d3f2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47232c6e14344db6a94f168dfb015e7832301f1d3c3454efc7665b8185d3f2ab", kill_on_drop: false }`
[INFO] [stdout] 47232c6e14344db6a94f168dfb015e7832301f1d3c3454efc7665b8185d3f2ab
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d3797e0cb5126a96d659aa48e129f36203b17629da2591d54a8902ec95605b
[INFO] running `Command { std: "docker" "start" "-a" "61d3797e0cb5126a96d659aa48e129f36203b17629da2591d54a8902ec95605b", kill_on_drop: false }`
[INFO] [stderr]     Checking random v0.14.0
[INFO] [stderr]     Checking bplus-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/types/node.rs:240:39
[INFO] [stdout]     |
[INFO] [stdout] 240 |         shared_node_store: Rc<RefCell<(dyn NodeStore<T, S>)>>,
[INFO] [stdout]     |                                       ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 240 -         shared_node_store: Rc<RefCell<(dyn NodeStore<T, S>)>>,
[INFO] [stdout] 240 +         shared_node_store: Rc<RefCell<dyn NodeStore<T, S> >>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/types/node.rs:240:39
[INFO] [stdout]     |
[INFO] [stdout] 240 |         shared_node_store: Rc<RefCell<(dyn NodeStore<T, S>)>>,
[INFO] [stdout]     |                                       ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 240 -         shared_node_store: Rc<RefCell<(dyn NodeStore<T, S>)>>,
[INFO] [stdout] 240 +         shared_node_store: Rc<RefCell<dyn NodeStore<T, S> >>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types/second_chance_cache.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn drain(&mut self) -> Drain<NodeIdent, CacheItem<T, S>> {
[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] 85 |     pub fn drain(&mut self) -> Drain<'_, NodeIdent, CacheItem<T, S>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types/second_chance_cache.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn drain(&mut self) -> Drain<NodeIdent, CacheItem<T, S>> {
[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] 85 |     pub fn drain(&mut self) -> Drain<'_, NodeIdent, CacheItem<T, S>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "61d3797e0cb5126a96d659aa48e129f36203b17629da2591d54a8902ec95605b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d3797e0cb5126a96d659aa48e129f36203b17629da2591d54a8902ec95605b", kill_on_drop: false }`
[INFO] [stdout] 61d3797e0cb5126a96d659aa48e129f36203b17629da2591d54a8902ec95605b
