[INFO] cloning repository https://github.com/alvarotolentino/dynamic_program
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvarotolentino/dynamic_program" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvarotolentino%2Fdynamic_program", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvarotolentino%2Fdynamic_program'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eac6b1e22d7c2373ed4d2f0a34d5db0f0a5bea8
[INFO] checking alvarotolentino/dynamic_program/6eac6b1e22d7c2373ed4d2f0a34d5db0f0a5bea8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvarotolentino%2Fdynamic_program" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alvarotolentino/dynamic_program on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alvarotolentino/dynamic_program
[INFO] finished tweaking git repo https://github.com/alvarotolentino/dynamic_program
[INFO] tweaked toml for git repo https://github.com/alvarotolentino/dynamic_program written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alvarotolentino/dynamic_program 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da0f853fdb9afd9991964683445228867f07d7d9ed6e6f89a4be343f50751ebb
[INFO] running `Command { std: "docker" "start" "-a" "da0f853fdb9afd9991964683445228867f07d7d9ed6e6f89a4be343f50751ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da0f853fdb9afd9991964683445228867f07d7d9ed6e6f89a4be343f50751ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0f853fdb9afd9991964683445228867f07d7d9ed6e6f89a4be343f50751ebb", kill_on_drop: false }`
[INFO] [stdout] da0f853fdb9afd9991964683445228867f07d7d9ed6e6f89a4be343f50751ebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e2bcd12bed7e8ea64f262848a68ae92de7a0351e3de61316aef7f99cd8d80c5
[INFO] running `Command { std: "docker" "start" "-a" "4e2bcd12bed7e8ea64f262848a68ae92de7a0351e3de61316aef7f99cd8d80c5", kill_on_drop: false }`
[INFO] [stderr]     Checking dynamic_program_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `can_sum` is never used
[INFO] [stdout]  --> src/cansum.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn can_sum(cache: &mut HashMap<i32, bool>, target_sum: i32, numbers: &Vec<i32>) -> bool {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_sum_tab` is never used
[INFO] [stdout]   --> src/cansum.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn can_sum_tab(target_sum: usize, numbers: &Vec<usize>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_construct` is never used
[INFO] [stdout]  --> src/countconstruct.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn count_construct<'a>(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_construct_tab` is never used
[INFO] [stdout]   --> src/countconstruct.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn count_construct_tab(target: &str, word_bank: &Vec<&str>) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `grid_traveler` is never used
[INFO] [stdout]  --> src/gridtraveler.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn grid_traveler(cache: &mut HashMap<String, usize>, x_axis: i32, y_axis: i32) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `grid_traveler_tab` is never used
[INFO] [stdout]   --> src/gridtraveler.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn grid_traveler_tab(y_axis: usize, x_axis: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `how_can_sum` is never used
[INFO] [stdout]  --> src/howcansum.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn how_can_sum(
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `how_can_sum_tab` is never used
[INFO] [stdout]   --> src/howcansum.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn how_can_sum_tab<'a>(target_sum: usize, numbers: &Vec<usize>) -> Option<Vec<usize>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `best_sum` is never used
[INFO] [stdout]  --> src/bestsum.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn best_sum(
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `best_sum_tab` is never used
[INFO] [stdout]   --> src/bestsum.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn best_sum_tab(target_sum: usize, numbers: &Vec<usize>) -> Option<Vec<usize>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_construct` is never used
[INFO] [stdout]  --> src/allconstruct.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn all_construct<'a>(
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_construct_tab` is never used
[INFO] [stdout]   --> src/allconstruct.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn all_construct_tab<'a>(target: &'a str, word_bank: &[&'a str]) -> Vec<Vec<&'a str>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]  --> src/fibonacci.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fibonacci(number: usize) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `memoize` is never used
[INFO] [stdout]  --> src/memoize.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn memoize<A, B, R, F>(cache: &mut HashMap<A, R>, func: F, arg1: A, arg2: B) -> R
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "4e2bcd12bed7e8ea64f262848a68ae92de7a0351e3de61316aef7f99cd8d80c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2bcd12bed7e8ea64f262848a68ae92de7a0351e3de61316aef7f99cd8d80c5", kill_on_drop: false }`
[INFO] [stdout] 4e2bcd12bed7e8ea64f262848a68ae92de7a0351e3de61316aef7f99cd8d80c5