[INFO] cloning repository https://github.com/warlord500/backup-program-hashing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/warlord500/backup-program-hashing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarlord500%2Fbackup-program-hashing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarlord500%2Fbackup-program-hashing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff6f611bc86e9423ff7961f2af0408463d69fb76
[INFO] checking warlord500/backup-program-hashing against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarlord500%2Fbackup-program-hashing" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/warlord500/backup-program-hashing on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-11/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.40
[INFO] [stderr]   Downloaded lapp v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.48
[INFO] [stderr]   Downloaded web-sys v0.3.25
[INFO] [stderr]   Downloaded ring v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15c89e766f863e60ec6617219c71c5c7d37e068a25ccd4baebd537714bf7440e
[INFO] running `Command { std: "docker" "start" "-a" "15c89e766f863e60ec6617219c71c5c7d37e068a25ccd4baebd537714bf7440e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c89e766f863e60ec6617219c71c5c7d37e068a25ccd4baebd537714bf7440e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c89e766f863e60ec6617219c71c5c7d37e068a25ccd4baebd537714bf7440e", kill_on_drop: false }`
[INFO] [stdout] 15c89e766f863e60ec6617219c71c5c7d37e068a25ccd4baebd537714bf7440e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef74b474c274650ed7b306ba2146f0170e83c2f01448d7f2ea355ead8fa09a30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef74b474c274650ed7b306ba2146f0170e83c2f01448d7f2ea355ead8fa09a30", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[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] [stdout] warning: unused variable: `dest_cache`
[INFO] [stdout]   --> src/main.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     dest_cache  : &HashMap<String,String>, 
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_cache`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `one_way`
[INFO] [stdout]    --> src/main.rs:109:6
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let one_way = args.get_bool("one_way");
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_way`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `shouldRecurse` should have a snake case name
[INFO] [stdout]   --> src/main.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |                   shouldRecurse  : bool) -> Result<()> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ help: convert the identifier to snake case: `should_recurse`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_cache`
[INFO] [stdout]   --> src/main.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     dest_cache  : &HashMap<String,String>, 
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_cache`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `one_way`
[INFO] [stdout]    --> src/main.rs:109:6
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let one_way = args.get_bool("one_way");
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_way`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `shouldRecurse` should have a snake case name
[INFO] [stdout]   --> src/main.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |                   shouldRecurse  : bool) -> Result<()> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ help: convert the identifier to snake case: `should_recurse`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.83s
[INFO] running `Command { std: "docker" "inspect" "ef74b474c274650ed7b306ba2146f0170e83c2f01448d7f2ea355ead8fa09a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef74b474c274650ed7b306ba2146f0170e83c2f01448d7f2ea355ead8fa09a30", kill_on_drop: false }`
[INFO] [stdout] ef74b474c274650ed7b306ba2146f0170e83c2f01448d7f2ea355ead8fa09a30