[INFO] cloning repository https://github.com/jneufeld/hoops-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jneufeld/hoops-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjneufeld%2Fhoops-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjneufeld%2Fhoops-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a97812a8b2da2b29c38b49d38e0c4f86e1f15598
[INFO] checking jneufeld/hoops-rs against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjneufeld%2Fhoops-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jneufeld/hoops-rs
[INFO] finished tweaking git repo https://github.com/jneufeld/hoops-rs
[INFO] tweaked toml for git repo https://github.com/jneufeld/hoops-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jneufeld/hoops-rs on toolchain 59a256151e578f525a26127f2c3e3a6c7e2982ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jneufeld/hoops-rs 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" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cf51df6e78577526c37a79ef0233f0a8fb07039d7ee167c6d01678790f43dce
[INFO] running `Command { std: "docker" "start" "-a" "8cf51df6e78577526c37a79ef0233f0a8fb07039d7ee167c6d01678790f43dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf51df6e78577526c37a79ef0233f0a8fb07039d7ee167c6d01678790f43dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf51df6e78577526c37a79ef0233f0a8fb07039d7ee167c6d01678790f43dce", kill_on_drop: false }`
[INFO] [stdout] 8cf51df6e78577526c37a79ef0233f0a8fb07039d7ee167c6d01678790f43dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a8c9d6da8266985cd17380a72b2f1afa882b8f6af16f31c0cb55adc512d9ebe
[INFO] running `Command { std: "docker" "start" "-a" "5a8c9d6da8266985cd17380a72b2f1afa882b8f6af16f31c0cb55adc512d9ebe", kill_on_drop: false }`
[INFO] [stderr]     Checking hoops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `has_min_sum_perm` is never used
[INFO] [stdout]  --> src/arr_perm.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn has_min_sum_perm(min: i32, a: &mut [i32], b: &mut [i32]) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `birthday` is never used
[INFO] [stdout]  --> src/birthday.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn birthday(nums: &[i32], target: i32, span: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bucket_sort` is never used
[INFO] [stdout]  --> src/count_sort.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bucket_sort(arr: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diag_diff` is never used
[INFO] [stdout]  --> src/diag_diff.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn diag_diff(arr: &[Vec<i32>]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flip_bits_32` is never used
[INFO] [stdout]  --> src/flip_bits.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn flip_bits_32(n: i64) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lonely_int` is never used
[INFO] [stdout]  --> src/lonely_int.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn lonely_int(nums: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matching_strings` is never used
[INFO] [stdout]  --> src/match_str.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn matching_strings(strings: &[String], patterns: &[String]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mini_max_sum` is never used
[INFO] [stdout]  --> src/min_max_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn mini_max_sum(nums: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pangrams` is never used
[INFO] [stdout]  --> src/pangram.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn pangrams(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plus_minus` is never used
[INFO] [stdout]  --> src/plus_minus.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn plus_minus(nums: &[i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matching_strings` is never used
[INFO] [stdout]  --> src/sparse_arrays.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn matching_strings(inputs: &[String], patterns: &[String]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `time_conversion` is never used
[INFO] [stdout]  --> src/time_conv.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn time_conversion(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/arr_perm.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     while i < a.len() && j >= 0 {
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max_val` should have an upper case name
[INFO] [stdout]  --> src/lonely_int.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const max_val: usize = 101;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 7 -     const max_val: usize = 101;
[INFO] [stdout] 7 +     const MAX_VAL: usize = 101;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_min_sum_perm` is never used
[INFO] [stdout]  --> src/arr_perm.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn has_min_sum_perm(min: i32, a: &mut [i32], b: &mut [i32]) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `birthday` is never used
[INFO] [stdout]  --> src/birthday.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn birthday(nums: &[i32], target: i32, span: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bucket_sort` is never used
[INFO] [stdout]  --> src/count_sort.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bucket_sort(arr: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diag_diff` is never used
[INFO] [stdout]  --> src/diag_diff.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn diag_diff(arr: &[Vec<i32>]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flip_bits_32` is never used
[INFO] [stdout]  --> src/flip_bits.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn flip_bits_32(n: i64) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lonely_int` is never used
[INFO] [stdout]  --> src/lonely_int.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn lonely_int(nums: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mini_max_sum` is never used
[INFO] [stdout]  --> src/min_max_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn mini_max_sum(nums: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pangrams` is never used
[INFO] [stdout]  --> src/pangram.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn pangrams(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plus_minus` is never used
[INFO] [stdout]  --> src/plus_minus.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn plus_minus(nums: &[i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matching_strings` is never used
[INFO] [stdout]  --> src/sparse_arrays.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn matching_strings(inputs: &[String], patterns: &[String]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `time_conversion` is never used
[INFO] [stdout]  --> src/time_conv.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn time_conversion(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/arr_perm.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     while i < a.len() && j >= 0 {
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max_val` should have an upper case name
[INFO] [stdout]  --> src/lonely_int.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const max_val: usize = 101;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 7 -     const max_val: usize = 101;
[INFO] [stdout] 7 +     const MAX_VAL: usize = 101;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "5a8c9d6da8266985cd17380a72b2f1afa882b8f6af16f31c0cb55adc512d9ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8c9d6da8266985cd17380a72b2f1afa882b8f6af16f31c0cb55adc512d9ebe", kill_on_drop: false }`
[INFO] [stdout] 5a8c9d6da8266985cd17380a72b2f1afa882b8f6af16f31c0cb55adc512d9ebe