[INFO] fetching crate bidir_termtree 0.1.1...
[INFO] testing bidir_termtree-0.1.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate bidir_termtree 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bidir_termtree 0.1.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bidir_termtree 0.1.1
[INFO] finished tweaking crates.io crate bidir_termtree 0.1.1
[INFO] tweaked toml for crates.io crate bidir_termtree 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate bidir_termtree 0.1.1 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac612aa08ece999b34bf6b7b31bb11d14a9950720542ea2d455ba959016deff3
[INFO] running `Command { std: "docker" "start" "-a" "ac612aa08ece999b34bf6b7b31bb11d14a9950720542ea2d455ba959016deff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac612aa08ece999b34bf6b7b31bb11d14a9950720542ea2d455ba959016deff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac612aa08ece999b34bf6b7b31bb11d14a9950720542ea2d455ba959016deff3", kill_on_drop: false }`
[INFO] [stdout] ac612aa08ece999b34bf6b7b31bb11d14a9950720542ea2d455ba959016deff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 657ada09ec3fda3142081ad910d8e6904f0ac714065355e9e2b6a4e8daf238c7
[INFO] running `Command { std: "docker" "start" "-a" "657ada09ec3fda3142081ad910d8e6904f0ac714065355e9e2b6a4e8daf238c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bidir_termtree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:281:40
[INFO] [stdout]     |
[INFO] [stdout] 281 |         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Tree<D, Up>` does not implement `Clone`, so calling `clone` on `&Tree<D, Up>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 281 -         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout] 281 +         enqueue_leaves(&mut queue, self, no_space);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Tree<D, Up>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 33  + #[derive(Clone)]
[INFO] [stdout] 34  | pub struct Tree<D: Display, V: Direction> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "657ada09ec3fda3142081ad910d8e6904f0ac714065355e9e2b6a4e8daf238c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657ada09ec3fda3142081ad910d8e6904f0ac714065355e9e2b6a4e8daf238c7", kill_on_drop: false }`
[INFO] [stdout] 657ada09ec3fda3142081ad910d8e6904f0ac714065355e9e2b6a4e8daf238c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f21644949d43a1859ddb7f07d24499d24977cd89ca78e2adb99c3382d36a110
[INFO] running `Command { std: "docker" "start" "-a" "1f21644949d43a1859ddb7f07d24499d24977cd89ca78e2adb99c3382d36a110", kill_on_drop: false }`
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:281:40
[INFO] [stdout]     |
[INFO] [stdout] 281 |         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Tree<D, Up>` does not implement `Clone`, so calling `clone` on `&Tree<D, Up>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 281 -         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout] 281 +         enqueue_leaves(&mut queue, self, no_space);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Tree<D, Up>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 33  + #[derive(Clone)]
[INFO] [stdout] 34  | pub struct Tree<D: Display, V: Direction> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bidir_termtree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:281:40
[INFO] [stdout]     |
[INFO] [stdout] 281 |         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Tree<D, Up>` does not implement `Clone`, so calling `clone` on `&Tree<D, Up>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 281 -         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout] 281 +         enqueue_leaves(&mut queue, self, no_space);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Tree<D, Up>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 33  + #[derive(Clone)]
[INFO] [stdout] 34  | pub struct Tree<D: Display, V: Direction> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "1f21644949d43a1859ddb7f07d24499d24977cd89ca78e2adb99c3382d36a110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f21644949d43a1859ddb7f07d24499d24977cd89ca78e2adb99c3382d36a110", kill_on_drop: false }`
[INFO] [stdout] 1f21644949d43a1859ddb7f07d24499d24977cd89ca78e2adb99c3382d36a110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fadbaf8f6311fe0f98936cb72611071a2571686e01e42e9b572a2edb192ac28d
[INFO] running `Command { std: "docker" "start" "-a" "fadbaf8f6311fe0f98936cb72611071a2571686e01e42e9b572a2edb192ac28d", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/lib.rs:281:40
[INFO] [stderr]     |
[INFO] [stderr] 281 |         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stderr]     |                                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Tree<D, Up>` does not implement `Clone`, so calling `clone` on `&Tree<D, Up>` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 281 -         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stderr] 281 +         enqueue_leaves(&mut queue, self, no_space);
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to clone `Tree<D, Up>`, implement `Clone` for it
[INFO] [stderr]     |
[INFO] [stderr] 33  + #[derive(Clone)]
[INFO] [stderr] 34  | pub struct Tree<D: Display, V: Direction> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `bidir_termtree` (lib) generated 1 warning (run `cargo fix --lib -p bidir_termtree` to apply 1 suggestion)
[INFO] [stderr] warning: `bidir_termtree` (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/bidir_termtree-97f3fe52a528725e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::render_tree_with_multiline_leaf ... ok
[INFO] [stdout] test tests::render_tree_with_leaves_up ... ok
[INFO] [stdout] test tests::render_tree_root ... ok
[INFO] [stdout] test tests::render_tree_with_multiple_leaves ... ok
[INFO] [stdout] test tests::render_tree_with_multiple_leaves_up ... ok
[INFO] [stdout] test tests::render_tree_with_leaves ... ok
[INFO] [stdout] test tests::render_tree_with_multiline_leaf_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bidir_termtree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fadbaf8f6311fe0f98936cb72611071a2571686e01e42e9b572a2edb192ac28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadbaf8f6311fe0f98936cb72611071a2571686e01e42e9b572a2edb192ac28d", kill_on_drop: false }`
[INFO] [stdout] fadbaf8f6311fe0f98936cb72611071a2571686e01e42e9b572a2edb192ac28d
[INFO] testing bidir_termtree-0.1.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate bidir_termtree 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bidir_termtree 0.1.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bidir_termtree 0.1.1
[INFO] finished tweaking crates.io crate bidir_termtree 0.1.1
[INFO] tweaked toml for crates.io crate bidir_termtree 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate bidir_termtree 0.1.1 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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066ab427bd1f5c749befe499800e5f7b8c60f56f96a8cca1f7b66debeec3c20a
[INFO] running `Command { std: "docker" "start" "-a" "066ab427bd1f5c749befe499800e5f7b8c60f56f96a8cca1f7b66debeec3c20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066ab427bd1f5c749befe499800e5f7b8c60f56f96a8cca1f7b66debeec3c20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066ab427bd1f5c749befe499800e5f7b8c60f56f96a8cca1f7b66debeec3c20a", kill_on_drop: false }`
[INFO] [stdout] 066ab427bd1f5c749befe499800e5f7b8c60f56f96a8cca1f7b66debeec3c20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ea8f4a4b5b00ecc88964cfc8832c6b0ac90492748c880859e3ba9085a1781fe
[INFO] running `Command { std: "docker" "start" "-a" "8ea8f4a4b5b00ecc88964cfc8832c6b0ac90492748c880859e3ba9085a1781fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling bidir_termtree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:281:40
[INFO] [stdout]     |
[INFO] [stdout] 281 |         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Tree<D, Up>` does not implement `Clone`, so calling `clone` on `&Tree<D, Up>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 281 -         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout] 281 +         enqueue_leaves(&mut queue, self, no_space);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Tree<D, Up>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 33  + #[derive(Clone)]
[INFO] [stdout] 34  | pub struct Tree<D: Display, V: Direction> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "8ea8f4a4b5b00ecc88964cfc8832c6b0ac90492748c880859e3ba9085a1781fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea8f4a4b5b00ecc88964cfc8832c6b0ac90492748c880859e3ba9085a1781fe", kill_on_drop: false }`
[INFO] [stdout] 8ea8f4a4b5b00ecc88964cfc8832c6b0ac90492748c880859e3ba9085a1781fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c8b0695057591fd32f4477db91c0a73fc86c719fc76697158ef694619e2e205
[INFO] running `Command { std: "docker" "start" "-a" "1c8b0695057591fd32f4477db91c0a73fc86c719fc76697158ef694619e2e205", kill_on_drop: false }`
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:281:40
[INFO] [stdout]     |
[INFO] [stdout] 281 |         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Tree<D, Up>` does not implement `Clone`, so calling `clone` on `&Tree<D, Up>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 281 -         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout] 281 +         enqueue_leaves(&mut queue, self, no_space);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Tree<D, Up>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 33  + #[derive(Clone)]
[INFO] [stdout] 34  | pub struct Tree<D: Display, V: Direction> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bidir_termtree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:281:40
[INFO] [stdout]     |
[INFO] [stdout] 281 |         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Tree<D, Up>` does not implement `Clone`, so calling `clone` on `&Tree<D, Up>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 281 -         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stdout] 281 +         enqueue_leaves(&mut queue, self, no_space);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Tree<D, Up>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 33  + #[derive(Clone)]
[INFO] [stdout] 34  | pub struct Tree<D: Display, V: Direction> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "1c8b0695057591fd32f4477db91c0a73fc86c719fc76697158ef694619e2e205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8b0695057591fd32f4477db91c0a73fc86c719fc76697158ef694619e2e205", kill_on_drop: false }`
[INFO] [stdout] 1c8b0695057591fd32f4477db91c0a73fc86c719fc76697158ef694619e2e205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee2396ab9bc3731077ed29c60dc56647bed4049f3b9f0604ad0d7eac646405a5
[INFO] running `Command { std: "docker" "start" "-a" "ee2396ab9bc3731077ed29c60dc56647bed4049f3b9f0604ad0d7eac646405a5", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/lib.rs:281:40
[INFO] [stderr]     |
[INFO] [stderr] 281 |         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stderr]     |                                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Tree<D, Up>` does not implement `Clone`, so calling `clone` on `&Tree<D, Up>` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 281 -         enqueue_leaves(&mut queue, self.clone(), no_space);
[INFO] [stderr] 281 +         enqueue_leaves(&mut queue, self, no_space);
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to clone `Tree<D, Up>`, implement `Clone` for it
[INFO] [stderr]     |
[INFO] [stderr] 33  + #[derive(Clone)]
[INFO] [stderr] 34  | pub struct Tree<D: Display, V: Direction> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `bidir_termtree` (lib) generated 1 warning (run `cargo fix --lib -p bidir_termtree` to apply 1 suggestion)
[INFO] [stderr] warning: `bidir_termtree` (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/bidir_termtree-97f3fe52a528725e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::render_tree_with_multiple_leaves ... ok
[INFO] [stdout] test tests::render_tree_with_leaves ... ok
[INFO] [stdout] test tests::render_tree_with_multiline_leaf ... ok
[INFO] [stdout] test tests::render_tree_root ... ok
[INFO] [stderr]    Doc-tests bidir_termtree
[INFO] [stdout] test tests::render_tree_with_multiline_leaf_up ... ok
[INFO] [stdout] test tests::render_tree_with_leaves_up ... ok
[INFO] [stdout] test tests::render_tree_with_multiple_leaves_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee2396ab9bc3731077ed29c60dc56647bed4049f3b9f0604ad0d7eac646405a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2396ab9bc3731077ed29c60dc56647bed4049f3b9f0604ad0d7eac646405a5", kill_on_drop: false }`
[INFO] [stdout] ee2396ab9bc3731077ed29c60dc56647bed4049f3b9f0604ad0d7eac646405a5
