[INFO] cloning repository https://github.com/jsmenzies/rust-image-analyser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsmenzies/rust-image-analyser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsmenzies%2Frust-image-analyser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsmenzies%2Frust-image-analyser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e129e3c4ed802d94c203410168a7ebc3d7eb6f9 [INFO] testing jsmenzies/rust-image-analyser against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsmenzies%2Frust-image-analyser" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsmenzies/rust-image-analyser on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jsmenzies/rust-image-analyser [INFO] finished tweaking git repo https://github.com/jsmenzies/rust-image-analyser [INFO] tweaked toml for git repo https://github.com/jsmenzies/rust-image-analyser written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/jsmenzies/rust-image-analyser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mutate_once v0.1.1 [INFO] [stderr] Downloaded md-5 v0.10.1 [INFO] [stderr] Downloaded imagesize v0.9.0 [INFO] [stderr] Downloaded kamadak-exif v0.5.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e4bca525305bee3f4c3ff1e5774b943918c78083d203c62b206b8fde335e856 [INFO] running `Command { std: "docker" "start" "-a" "3e4bca525305bee3f4c3ff1e5774b943918c78083d203c62b206b8fde335e856", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e4bca525305bee3f4c3ff1e5774b943918c78083d203c62b206b8fde335e856", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e4bca525305bee3f4c3ff1e5774b943918c78083d203c62b206b8fde335e856", kill_on_drop: false }` [INFO] [stdout] 3e4bca525305bee3f4c3ff1e5774b943918c78083d203c62b206b8fde335e856 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac5bb22ddbb0805f2823675a1e21a08247e067460c809d841c85e0493a3ce60a [INFO] running `Command { std: "docker" "start" "-a" "ac5bb22ddbb0805f2823675a1e21a08247e067460c809d841c85e0493a3ce60a", kill_on_drop: false }` [INFO] [stderr] Compiling mutate_once v0.1.1 [INFO] [stderr] Compiling imagesize v0.9.0 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling kamadak-exif v0.5.4 [INFO] [stderr] Compiling block-buffer v0.10.2 [INFO] [stderr] Compiling crypto-common v0.1.3 [INFO] [stderr] Compiling digest v0.10.3 [INFO] [stderr] Compiling md-5 v0.10.1 [INFO] [stderr] Compiling rust-image-analyser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/exif.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | Ok(result) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ExifParseError` [INFO] [stdout] --> src/error.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | ExifParseError(PathBuf, String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ApplicationError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/error.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `root` [INFO] [stdout] --> src/location.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | root: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/location.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, Default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `update_exif_details` [INFO] [stdout] --> src/metadata.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn update_exif_details(&mut self, exif_details: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_exif_details` [INFO] [stdout] --> src/exif.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_exif_details(path: &Path) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-image-analyser` due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ac5bb22ddbb0805f2823675a1e21a08247e067460c809d841c85e0493a3ce60a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac5bb22ddbb0805f2823675a1e21a08247e067460c809d841c85e0493a3ce60a", kill_on_drop: false }` [INFO] [stdout] ac5bb22ddbb0805f2823675a1e21a08247e067460c809d841c85e0493a3ce60a