[INFO] cloning repository https://github.com/ReeceMcMillin/Rust-BST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ReeceMcMillin/Rust-BST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReeceMcMillin%2FRust-BST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReeceMcMillin%2FRust-BST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c93b2deaafb326fb87b8d51fca4a97abc454628
[INFO] testing ReeceMcMillin/Rust-BST against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReeceMcMillin%2FRust-BST" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ReeceMcMillin/Rust-BST on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ReeceMcMillin/Rust-BST
[INFO] finished tweaking git repo https://github.com/ReeceMcMillin/Rust-BST
[INFO] tweaked toml for git repo https://github.com/ReeceMcMillin/Rust-BST written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/ReeceMcMillin/Rust-BST already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da7a4d594563c9b9abfba647e11f2fe37dbac4cf941d7709349e5814c590f0ba
[INFO] running `Command { std: "docker" "start" "-a" "da7a4d594563c9b9abfba647e11f2fe37dbac4cf941d7709349e5814c590f0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da7a4d594563c9b9abfba647e11f2fe37dbac4cf941d7709349e5814c590f0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7a4d594563c9b9abfba647e11f2fe37dbac4cf941d7709349e5814c590f0ba", kill_on_drop: false }`
[INFO] [stdout] da7a4d594563c9b9abfba647e11f2fe37dbac4cf941d7709349e5814c590f0ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c0b04efacc2f0c5811dbfae226fbf99cbeb30c4f03e57736a5f643acf22542
[INFO] running `Command { std: "docker" "start" "-a" "05c0b04efacc2f0c5811dbfae226fbf99cbeb30c4f03e57736a5f643acf22542", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `minimum`
[INFO] [stdout]   --> src/tree.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn minimum(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `maximum`
[INFO] [stdout]   --> src/tree.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn maximum(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> src/tree.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn search(&self, target: &T) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.57s
[INFO] running `Command { std: "docker" "inspect" "05c0b04efacc2f0c5811dbfae226fbf99cbeb30c4f03e57736a5f643acf22542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c0b04efacc2f0c5811dbfae226fbf99cbeb30c4f03e57736a5f643acf22542", kill_on_drop: false }`
[INFO] [stdout] 05c0b04efacc2f0c5811dbfae226fbf99cbeb30c4f03e57736a5f643acf22542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c49ded287a73ef71a61c5dbb40da8f064fcf3d36c8007902adf73959c15a3168
[INFO] running `Command { std: "docker" "start" "-a" "c49ded287a73ef71a61c5dbb40da8f064fcf3d36c8007902adf73959c15a3168", kill_on_drop: false }`
[INFO] [stderr]    Compiling trees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `minimum`
[INFO] [stdout]   --> src/tree.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn minimum(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `maximum`
[INFO] [stdout]   --> src/tree.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn maximum(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> src/tree.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn search(&self, target: &T) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "c49ded287a73ef71a61c5dbb40da8f064fcf3d36c8007902adf73959c15a3168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49ded287a73ef71a61c5dbb40da8f064fcf3d36c8007902adf73959c15a3168", kill_on_drop: false }`
[INFO] [stdout] c49ded287a73ef71a61c5dbb40da8f064fcf3d36c8007902adf73959c15a3168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 410e3dc36b9c3694c7b9ffecf7f87ed4f7769f4feaf2703c0060ce5037c93408
[INFO] running `Command { std: "docker" "start" "-a" "410e3dc36b9c3694c7b9ffecf7f87ed4f7769f4feaf2703c0060ce5037c93408", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `minimum`
[INFO] [stderr]   --> src/tree.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn minimum(&self) -> Option<&T> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `maximum`
[INFO] [stderr]   --> src/tree.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn maximum(&self) -> Option<&T> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `search`
[INFO] [stderr]   --> src/tree.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn search(&self, target: &T) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `trees` (bin "trees" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trees-bc3c1c7d602e8d7a)
[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" "410e3dc36b9c3694c7b9ffecf7f87ed4f7769f4feaf2703c0060ce5037c93408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410e3dc36b9c3694c7b9ffecf7f87ed4f7769f4feaf2703c0060ce5037c93408", kill_on_drop: false }`
[INFO] [stdout] 410e3dc36b9c3694c7b9ffecf7f87ed4f7769f4feaf2703c0060ce5037c93408