[INFO] cloning repository https://github.com/Ahmed-Ansari02/Rust_binary_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ahmed-Ansari02/Rust_binary_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmed-Ansari02%2FRust_binary_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmed-Ansari02%2FRust_binary_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8324b1cc0b45b504cc7546c1c08007ae9c1bd3e0
[INFO] testing Ahmed-Ansari02/Rust_binary_tree against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmed-Ansari02%2FRust_binary_tree" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ahmed-Ansari02/Rust_binary_tree
[INFO] finished tweaking git repo https://github.com/Ahmed-Ansari02/Rust_binary_tree
[INFO] tweaked toml for git repo https://github.com/Ahmed-Ansari02/Rust_binary_tree written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ahmed-Ansari02/Rust_binary_tree on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ahmed-Ansari02/Rust_binary_tree 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7db7198aed0230c7bddd89e1a0d5aa8cb81176cb10186ddf442ec20255ddae
[INFO] running `Command { std: "docker" "start" "-a" "aa7db7198aed0230c7bddd89e1a0d5aa8cb81176cb10186ddf442ec20255ddae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7db7198aed0230c7bddd89e1a0d5aa8cb81176cb10186ddf442ec20255ddae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7db7198aed0230c7bddd89e1a0d5aa8cb81176cb10186ddf442ec20255ddae", kill_on_drop: false }`
[INFO] [stdout] aa7db7198aed0230c7bddd89e1a0d5aa8cb81176cb10186ddf442ec20255ddae
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e5b8c2f2f32d8ba01bfa1d2699dfae201b9d72f74699daf21c186f6b8903625
[INFO] running `Command { std: "docker" "start" "-a" "1e5b8c2f2f32d8ba01bfa1d2699dfae201b9d72f74699daf21c186f6b8903625", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut curr_node = self;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<T: PartialEq + PartialOrd + Display> Node<T> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn get(&self, data: T) -> Option<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "1e5b8c2f2f32d8ba01bfa1d2699dfae201b9d72f74699daf21c186f6b8903625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5b8c2f2f32d8ba01bfa1d2699dfae201b9d72f74699daf21c186f6b8903625", kill_on_drop: false }`
[INFO] [stdout] 1e5b8c2f2f32d8ba01bfa1d2699dfae201b9d72f74699daf21c186f6b8903625
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4c928e634c99db0ded22d0443be913680636db98a4d22a2b8294edd2c025f58
[INFO] running `Command { std: "docker" "start" "-a" "c4c928e634c99db0ded22d0443be913680636db98a4d22a2b8294edd2c025f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut curr_node = self;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<T: PartialEq + PartialOrd + Display> Node<T> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn get(&self, data: T) -> Option<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "c4c928e634c99db0ded22d0443be913680636db98a4d22a2b8294edd2c025f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c928e634c99db0ded22d0443be913680636db98a4d22a2b8294edd2c025f58", kill_on_drop: false }`
[INFO] [stdout] c4c928e634c99db0ded22d0443be913680636db98a4d22a2b8294edd2c025f58
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8d191778c4701726709bf7c2334117b0f64129ada5d6bbe059c879a1ee1f966
[INFO] running `Command { std: "docker" "start" "-a" "b8d191778c4701726709bf7c2334117b0f64129ada5d6bbe059c879a1ee1f966", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:19:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 19 |         let mut curr_node = self;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get` is never used
[INFO] [stderr]   --> src/main.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl<T: PartialEq + PartialOrd + Display> Node<T> {
[INFO] [stderr]    | ------------------------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 34 |     fn get(&self, data: T) -> Option<T> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `binary_tree` (bin "binary_tree" test) generated 2 warnings (run `cargo fix --bin "binary_tree" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/binary_tree-a4ec281a683e642d)
[INFO] running `Command { std: "docker" "inspect" "b8d191778c4701726709bf7c2334117b0f64129ada5d6bbe059c879a1ee1f966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d191778c4701726709bf7c2334117b0f64129ada5d6bbe059c879a1ee1f966", kill_on_drop: false }`
[INFO] [stdout] b8d191778c4701726709bf7c2334117b0f64129ada5d6bbe059c879a1ee1f966
