[INFO] cloning repository https://github.com/vladvasiliu/file_upload_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vladvasiliu/file_upload_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladvasiliu%2Ffile_upload_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladvasiliu%2Ffile_upload_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b9bdd69075c831ab8f1c927e126a97f7c49c421
[INFO] building vladvasiliu/file_upload_exporter against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladvasiliu%2Ffile_upload_exporter" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vladvasiliu/file_upload_exporter on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vladvasiliu/file_upload_exporter
[INFO] finished tweaking git repo https://github.com/vladvasiliu/file_upload_exporter
[INFO] tweaked toml for git repo https://github.com/vladvasiliu/file_upload_exporter written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vladvasiliu/file_upload_exporter 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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded tracing-serde v0.2.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64ae0e3b277543363ff5b8cc82a3d1518618d72d522864bf68f8d00ce430b1fd
[INFO] running `Command { std: "docker" "start" "-a" "64ae0e3b277543363ff5b8cc82a3d1518618d72d522864bf68f8d00ce430b1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64ae0e3b277543363ff5b8cc82a3d1518618d72d522864bf68f8d00ce430b1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ae0e3b277543363ff5b8cc82a3d1518618d72d522864bf68f8d00ce430b1fd", kill_on_drop: false }`
[INFO] [stdout] 64ae0e3b277543363ff5b8cc82a3d1518618d72d522864bf68f8d00ce430b1fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e25a91fa7e8f700203a8b582e01596f3ae033a07d1638cde1103cb6b1ba9b4ec
[INFO] running `Command { std: "docker" "start" "-a" "e25a91fa7e8f700203a8b582e01596f3ae033a07d1638cde1103cb6b1ba9b4ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling prometheus-client v0.23.1
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling winnow v0.7.2
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling config v0.15.8
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling file_upload_exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/main.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::{error, info, instrument, warn};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `listen_port` is never read
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Settings {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 64 |     listen_port: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Settings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Exporter` is never constructed
[INFO] [stdout]   --> src/exporter.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Exporter {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/exporter.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Exporter {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(file_walkers: Vec<DirWalker>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StatusLabels` is never constructed
[INFO] [stdout]    --> src/exporter.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct StatusLabels {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatusValue` is never used
[INFO] [stdout]    --> src/exporter.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum StatusValue {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DurationLabels` is never constructed
[INFO] [stdout]    --> src/exporter.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct DurationLabels {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `labels` is never read
[INFO] [stdout]   --> src/file_walker.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DirWalker {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     labels: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirWalker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     encode_registry(&mut output, &registry);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = encode_registry(&mut output, &registry);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.71s
[INFO] running `Command { std: "docker" "inspect" "e25a91fa7e8f700203a8b582e01596f3ae033a07d1638cde1103cb6b1ba9b4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25a91fa7e8f700203a8b582e01596f3ae033a07d1638cde1103cb6b1ba9b4ec", kill_on_drop: false }`
[INFO] [stdout] e25a91fa7e8f700203a8b582e01596f3ae033a07d1638cde1103cb6b1ba9b4ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d763857a8ea55c95255762b51e61be04241fd9c38e0030d2b74e036ac740363
[INFO] running `Command { std: "docker" "start" "-a" "6d763857a8ea55c95255762b51e61be04241fd9c38e0030d2b74e036ac740363", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_upload_exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/main.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::{error, info, instrument, warn};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `listen_port` is never read
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Settings {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 64 |     listen_port: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Settings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Exporter` is never constructed
[INFO] [stdout]   --> src/exporter.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Exporter {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/exporter.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Exporter {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(file_walkers: Vec<DirWalker>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StatusLabels` is never constructed
[INFO] [stdout]    --> src/exporter.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct StatusLabels {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatusValue` is never used
[INFO] [stdout]    --> src/exporter.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum StatusValue {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DurationLabels` is never constructed
[INFO] [stdout]    --> src/exporter.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct DurationLabels {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `labels` is never read
[INFO] [stdout]   --> src/file_walker.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DirWalker {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     labels: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirWalker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     encode_registry(&mut output, &registry);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = encode_registry(&mut output, &registry);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "6d763857a8ea55c95255762b51e61be04241fd9c38e0030d2b74e036ac740363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d763857a8ea55c95255762b51e61be04241fd9c38e0030d2b74e036ac740363", kill_on_drop: false }`
[INFO] [stdout] 6d763857a8ea55c95255762b51e61be04241fd9c38e0030d2b74e036ac740363