[INFO] fetching crate borg-prometheus-exporter 1.2.1...
[INFO] checking borg-prometheus-exporter-1.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate borg-prometheus-exporter 1.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate borg-prometheus-exporter 1.2.1
[INFO] finished tweaking crates.io crate borg-prometheus-exporter 1.2.1
[INFO] tweaked toml for crates.io crate borg-prometheus-exporter 1.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate borg-prometheus-exporter 1.2.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate borg-prometheus-exporter 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6213a40a0518d9d51abd5469b6a672718a090c637f8ed42fa9e7b3e20e2680b7
[INFO] running `Command { std: "docker" "start" "-a" "6213a40a0518d9d51abd5469b6a672718a090c637f8ed42fa9e7b3e20e2680b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6213a40a0518d9d51abd5469b6a672718a090c637f8ed42fa9e7b3e20e2680b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6213a40a0518d9d51abd5469b6a672718a090c637f8ed42fa9e7b3e20e2680b7", kill_on_drop: false }`
[INFO] [stdout] 6213a40a0518d9d51abd5469b6a672718a090c637f8ed42fa9e7b3e20e2680b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c7407db15bf68b56796ec31b31b3095f232f08af399403de8a35596beb7d228
[INFO] running `Command { std: "docker" "start" "-a" "4c7407db15bf68b56796ec31b31b3095f232f08af399403de8a35596beb7d228", kill_on_drop: false }`
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[INFO] [stderr]     Checking borg-prometheus-exporter v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `encryption` and `security_dir` are never read
[INFO] [stdout]   --> src/parse.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct BorgResponse {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout]  7 |     pub cache: BorgResponseCache,
[INFO] [stdout]  8 |     encryption: IgnoredAny,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  9 |     pub repository: BorgResponseRepository,
[INFO] [stdout] 10 |     security_dir: IgnoredAny,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BorgResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/parse.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BorgResponseCache {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 15 |     path: IgnoredAny,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BorgResponseCache` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `location` are never read
[INFO] [stdout]   --> src/parse.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BorgResponseRepository {
[INFO] [stdout]    |            ---------------------- fields in this struct
[INFO] [stdout] 31 |     id: IgnoredAny,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     pub last_modified: String,
[INFO] [stdout] 33 |     location: IgnoredAny,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BorgResponseRepository` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | /     /// The configuration file, in YAML
[INFO] [stdout] 189 | |     config_file: PathBuf,
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `borg-prometheus-exporter` (bin "borg-prometheus-exporter") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `encryption` and `security_dir` are never read
[INFO] [stdout]   --> src/parse.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct BorgResponse {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout]  7 |     pub cache: BorgResponseCache,
[INFO] [stdout]  8 |     encryption: IgnoredAny,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  9 |     pub repository: BorgResponseRepository,
[INFO] [stdout] 10 |     security_dir: IgnoredAny,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BorgResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/parse.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BorgResponseCache {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 15 |     path: IgnoredAny,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BorgResponseCache` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `location` are never read
[INFO] [stdout]   --> src/parse.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BorgResponseRepository {
[INFO] [stdout]    |            ---------------------- fields in this struct
[INFO] [stdout] 31 |     id: IgnoredAny,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     pub last_modified: String,
[INFO] [stdout] 33 |     location: IgnoredAny,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BorgResponseRepository` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | /     /// The configuration file, in YAML
[INFO] [stdout] 189 | |     config_file: PathBuf,
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `borg-prometheus-exporter` (bin "borg-prometheus-exporter" test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4c7407db15bf68b56796ec31b31b3095f232f08af399403de8a35596beb7d228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7407db15bf68b56796ec31b31b3095f232f08af399403de8a35596beb7d228", kill_on_drop: false }`
[INFO] [stdout] 4c7407db15bf68b56796ec31b31b3095f232f08af399403de8a35596beb7d228
