[INFO] fetching crate bidir_termtree 0.1.1...
[INFO] checking bidir_termtree-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate bidir_termtree 0.1.1 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bidir_termtree 0.1.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f4fed2c5f019733f00c6ff819a2b4ee3429e813532fa36fe7d68617057635f6
[INFO] running `Command { std: "docker" "start" "-a" "2f4fed2c5f019733f00c6ff819a2b4ee3429e813532fa36fe7d68617057635f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4fed2c5f019733f00c6ff819a2b4ee3429e813532fa36fe7d68617057635f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4fed2c5f019733f00c6ff819a2b4ee3429e813532fa36fe7d68617057635f6", kill_on_drop: false }`
[INFO] [stdout] 2f4fed2c5f019733f00c6ff819a2b4ee3429e813532fa36fe7d68617057635f6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd01f10f940aa49a40326b81536f62ea48be304beebc2d903e6aae55c8e613e
[INFO] running `Command { std: "docker" "start" "-a" "1cd01f10f940aa49a40326b81536f62ea48be304beebc2d903e6aae55c8e613e", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "1cd01f10f940aa49a40326b81536f62ea48be304beebc2d903e6aae55c8e613e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd01f10f940aa49a40326b81536f62ea48be304beebc2d903e6aae55c8e613e", kill_on_drop: false }`
[INFO] [stdout] 1cd01f10f940aa49a40326b81536f62ea48be304beebc2d903e6aae55c8e613e