[INFO] updating cached repository https://github.com/scarab5q/fzr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2718aaac074a5c09912ac21c2d21dda5f0f6cc2e
[INFO] checking scarab5q/fzr against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscarab5q%2Ffzr" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scarab5q/fzr on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scarab5q/fzr
[INFO] finished tweaking git repo https://github.com/scarab5q/fzr
[INFO] tweaked toml for git repo https://github.com/scarab5q/fzr written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/scarab5q/fzr already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e399353856f6bf68d1353f92a949ae9b88fd66a3681176d82900ac4f611ebd8
[INFO] running `"docker" "start" "-a" "9e399353856f6bf68d1353f92a949ae9b88fd66a3681176d82900ac4f611ebd8"`
[INFO] [stderr]     Checking fst v0.3.3
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking fst-levenshtein v0.2.1
[INFO] [stderr]     Checking fst-regex v0.2.2
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking fzr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `fst_regex::Regex`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use fst_regex::Regex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `results`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let results: Vec<String>;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_results`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     for line in stdin {}
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_line`
[INFO] [stderr]  --> src/fsaps.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn read_line() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `kmp_table`
[INFO] [stderr]  --> src/fsaps.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn kmp_table(pattern: &[u8], m: usize, mut kmp: Vec<usize>) -> Vec<usize> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `kmp`
[INFO] [stderr]   --> src/fsaps.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn kmp(string: &Vec<u8>, pattern: &Vec<u8>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fst_regex::Regex`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use fst_regex::Regex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `results`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let results: Vec<String>;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_results`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     for line in stdin {}
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_line`
[INFO] [stderr]  --> src/fsaps.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn read_line() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `kmp_table`
[INFO] [stderr]  --> src/fsaps.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn kmp_table(pattern: &[u8], m: usize, mut kmp: Vec<usize>) -> Vec<usize> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `kmp`
[INFO] [stderr]   --> src/fsaps.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn kmp(string: &Vec<u8>, pattern: &Vec<u8>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.29s
[INFO] running `"docker" "inspect" "9e399353856f6bf68d1353f92a949ae9b88fd66a3681176d82900ac4f611ebd8"`
[INFO] running `"docker" "rm" "-f" "9e399353856f6bf68d1353f92a949ae9b88fd66a3681176d82900ac4f611ebd8"`
[INFO] [stdout] 9e399353856f6bf68d1353f92a949ae9b88fd66a3681176d82900ac4f611ebd8