[INFO] cloning repository https://github.com/AlvinKuruvilla/PhotoXMP
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlvinKuruvilla/PhotoXMP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvinKuruvilla%2FPhotoXMP", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvinKuruvilla%2FPhotoXMP'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d12a5a588e683b2a192fe5f9426b768a0d731ff1
[INFO] checking AlvinKuruvilla/PhotoXMP against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlvinKuruvilla%2FPhotoXMP" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlvinKuruvilla/PhotoXMP on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlvinKuruvilla/PhotoXMP
[INFO] finished tweaking git repo https://github.com/AlvinKuruvilla/PhotoXMP
[INFO] tweaked toml for git repo https://github.com/AlvinKuruvilla/PhotoXMP written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74933f27ff5d1591563d626428843fc1f7cdecc29f6fddbc796161c160395682
[INFO] running `Command { std: "docker" "start" "-a" "74933f27ff5d1591563d626428843fc1f7cdecc29f6fddbc796161c160395682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74933f27ff5d1591563d626428843fc1f7cdecc29f6fddbc796161c160395682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74933f27ff5d1591563d626428843fc1f7cdecc29f6fddbc796161c160395682", kill_on_drop: false }`
[INFO] [stdout] 74933f27ff5d1591563d626428843fc1f7cdecc29f6fddbc796161c160395682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee820af45275ef50afd3f548d1a87c84afedfe852ca861a29d5d096ea367de0
[INFO] running `Command { std: "docker" "start" "-a" "4ee820af45275ef50afd3f548d1a87c84afedfe852ca861a29d5d096ea367de0", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking photo_xmp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `Read`
[INFO] [stdout]  --> src/Utils.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{BufWriter, Write, BufRead, Read};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `Read`
[INFO] [stdout]  --> src/Utils.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{BufWriter, Write, BufRead, Read};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |               return false;
[INFO] [stdout]    |               ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 93 | /          while img_file_path.exists() && xmp_file_path.exists() {
[INFO] [stdout] 94 | |               return true;
[INFO] [stdout] 95 | |           }
[INFO] [stdout]    | |___________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |               return false;
[INFO] [stdout]    |               ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 93 | /          while img_file_path.exists() && xmp_file_path.exists() {
[INFO] [stdout] 94 | |               return true;
[INFO] [stdout] 95 | |           }
[INFO] [stdout]    | |___________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |       pub fn retrieve_data(folder: String, start_name: String) -> bool {
[INFO] [stdout]    |                                                                   ---- expected `bool` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 93 | /          while img_file_path.exists() && xmp_file_path.exists() {
[INFO] [stdout] 94 | |               return true;
[INFO] [stdout] 95 | |           }
[INFO] [stdout]    | |___________^ expected `bool`, found `()`
[INFO] [stdout]    |
[INFO] [stdout] note: the function expects a value to always be returned, but loops might run zero times
[INFO] [stdout]   --> src/lib.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 93 |          while img_file_path.exists() && xmp_file_path.exists() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this might have zero elements to iterate on
[INFO] [stdout] 94 |               return true;
[INFO] [stdout]    |               ----------- if the loop doesn't execute, this value would never get returned
[INFO] [stdout]    = help: return a value for the case when the loop has zero elements to iterate on, or consider changing the return type to account for that possibility
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |       pub fn retrieve_data(folder: String, start_name: String) -> bool {
[INFO] [stdout]    |                                                                   ---- expected `bool` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 93 | /          while img_file_path.exists() && xmp_file_path.exists() {
[INFO] [stdout] 94 | |               return true;
[INFO] [stdout] 95 | |           }
[INFO] [stdout]    | |___________^ expected `bool`, found `()`
[INFO] [stdout]    |
[INFO] [stdout] note: the function expects a value to always be returned, but loops might run zero times
[INFO] [stdout]   --> src/lib.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 93 |          while img_file_path.exists() && xmp_file_path.exists() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this might have zero elements to iterate on
[INFO] [stdout] 94 |               return true;
[INFO] [stdout]    |               ----------- if the loop doesn't execute, this value would never get returned
[INFO] [stdout]    = help: return a value for the case when the loop has zero elements to iterate on, or consider changing the return type to account for that possibility
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `photo_xmp` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `photo_xmp` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4ee820af45275ef50afd3f548d1a87c84afedfe852ca861a29d5d096ea367de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee820af45275ef50afd3f548d1a87c84afedfe852ca861a29d5d096ea367de0", kill_on_drop: false }`
[INFO] [stdout] 4ee820af45275ef50afd3f548d1a87c84afedfe852ca861a29d5d096ea367de0
