[INFO] updating cached repository https://github.com/warlord500/backup-program-hashing
[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] ff6f611bc86e9423ff7961f2af0408463d69fb76
[INFO] checking warlord500/backup-program-hashing against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarlord500%2Fbackup-program-hashing" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/warlord500/backup-program-hashing on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/warlord500/backup-program-hashing
[INFO] finished tweaking git repo https://github.com/warlord500/backup-program-hashing
[INFO] tweaked toml for git repo https://github.com/warlord500/backup-program-hashing written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/warlord500/backup-program-hashing already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] e75ac07082a2a0710dd50e61f4fb9a85dda152b0073ab1b1a7d799938b370fe9
[INFO] running `"docker" "start" "-a" "e75ac07082a2a0710dd50e61f4fb9a85dda152b0073ab1b1a7d799938b370fe9"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking lapp v0.4.0
[INFO] [stderr]    Compiling ring v0.16.0
[INFO] [stderr]     Checking incremental_backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `dest_cache`
[INFO] [stderr]   --> src/main.rs:76:6
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     dest_cache  : &HashMap<String,String>, 
[INFO] [stderr]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_cache`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `one_way`
[INFO] [stderr]    --> src/main.rs:109:6
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let one_way = args.get_bool("one_way");
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_way`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `shouldRecurse` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:10
[INFO] [stderr]    |
[INFO] [stderr] 46 |                   shouldRecurse  : bool) -> Result<()> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: convert the identifier to snake case: `should_recurse`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest_cache`
[INFO] [stderr]   --> src/main.rs:76:6
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     dest_cache  : &HashMap<String,String>, 
[INFO] [stderr]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_cache`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `one_way`
[INFO] [stderr]    --> src/main.rs:109:6
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let one_way = args.get_bool("one_way");
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_way`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `shouldRecurse` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:10
[INFO] [stderr]    |
[INFO] [stderr] 46 |                   shouldRecurse  : bool) -> Result<()> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: convert the identifier to snake case: `should_recurse`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `"docker" "inspect" "e75ac07082a2a0710dd50e61f4fb9a85dda152b0073ab1b1a7d799938b370fe9"`
[INFO] running `"docker" "rm" "-f" "e75ac07082a2a0710dd50e61f4fb9a85dda152b0073ab1b1a7d799938b370fe9"`
[INFO] [stdout] e75ac07082a2a0710dd50e61f4fb9a85dda152b0073ab1b1a7d799938b370fe9