[INFO] fetching crate hosts-digger 0.1.0...
[INFO] testing hosts-digger-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hosts-digger 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate hosts-digger 0.1.0
[INFO] finished tweaking crates.io crate hosts-digger 0.1.0
[INFO] tweaked toml for crates.io crate hosts-digger 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hosts-digger 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d9eb5e39157f886b6f27b938f7c57b04ee0cb4770280be46d54f5383aabf3e4
[INFO] running `Command { std: "docker" "start" "-a" "4d9eb5e39157f886b6f27b938f7c57b04ee0cb4770280be46d54f5383aabf3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d9eb5e39157f886b6f27b938f7c57b04ee0cb4770280be46d54f5383aabf3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9eb5e39157f886b6f27b938f7c57b04ee0cb4770280be46d54f5383aabf3e4", kill_on_drop: false }`
[INFO] [stdout] 4d9eb5e39157f886b6f27b938f7c57b04ee0cb4770280be46d54f5383aabf3e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ffde2f563dee11b9117b6ee077e57f2441699cafa1c744223d395ded7eea098
[INFO] running `Command { std: "docker" "start" "-a" "7ffde2f563dee11b9117b6ee077e57f2441699cafa1c744223d395ded7eea098", kill_on_drop: false }`
[INFO] [stderr]    Compiling hosts-digger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/lib.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Parser {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> src/lib.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Parser {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 80 |     pub fn parse(&mut self, file: &Path) -> Result<&Vec<Record>, ParserError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "7ffde2f563dee11b9117b6ee077e57f2441699cafa1c744223d395ded7eea098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ffde2f563dee11b9117b6ee077e57f2441699cafa1c744223d395ded7eea098", kill_on_drop: false }`
[INFO] [stdout] 7ffde2f563dee11b9117b6ee077e57f2441699cafa1c744223d395ded7eea098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b830172f049fce6e1d163e6960a4940ebb7eb3fc7986613d1156ff51b41c730c
[INFO] running `Command { std: "docker" "start" "-a" "b830172f049fce6e1d163e6960a4940ebb7eb3fc7986613d1156ff51b41c730c", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/lib.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Parser {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> src/lib.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Parser {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 80 |     pub fn parse(&mut self, file: &Path) -> Result<&Vec<Record>, ParserError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hosts-digger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/lib.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Parser {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 67 |     line: i64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "b830172f049fce6e1d163e6960a4940ebb7eb3fc7986613d1156ff51b41c730c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b830172f049fce6e1d163e6960a4940ebb7eb3fc7986613d1156ff51b41c730c", kill_on_drop: false }`
[INFO] [stdout] b830172f049fce6e1d163e6960a4940ebb7eb3fc7986613d1156ff51b41c730c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2a2a031eba3f374c383e21c606cb233e28a041896df7350a19b593292e2210c
[INFO] running `Command { std: "docker" "start" "-a" "e2a2a031eba3f374c383e21c606cb233e28a041896df7350a19b593292e2210c", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Parser` is never constructed
[INFO] [stderr]   --> src/lib.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | struct Parser {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `parse` is never used
[INFO] [stderr]   --> src/lib.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 79 | impl Parser {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 80 |     pub fn parse(&mut self, file: &Path) -> Result<&Vec<Record>, ParserError> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `line` is never read
[INFO] [stderr]   --> src/lib.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | struct Parser {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 67 |     line: i64,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hosts-digger` (lib) generated 2 warnings
[INFO] [stderr] warning: `hosts-digger` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hosts_digger-76c212110680c97b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::create_private ... ok
[INFO] [stdout] test tests::create_loopback ... ok
[INFO] [stdout] test tests::test_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hosts_digger
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2a2a031eba3f374c383e21c606cb233e28a041896df7350a19b593292e2210c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a2a031eba3f374c383e21c606cb233e28a041896df7350a19b593292e2210c", kill_on_drop: false }`
[INFO] [stdout] e2a2a031eba3f374c383e21c606cb233e28a041896df7350a19b593292e2210c