[INFO] fetching crate hydra_core 3.0.0...
[INFO] testing hydra_core-3.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hydra_core 3.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate hydra_core 3.0.0
[INFO] finished tweaking crates.io crate hydra_core 3.0.0
[INFO] tweaked toml for crates.io crate hydra_core 3.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hydra_core 3.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hydra_core 3.0.0 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db94cd8e8a6a324d7d62ca5c81a9e595b6149091b065a135b1e11ad6c2abad27
[INFO] running `Command { std: "docker" "start" "-a" "db94cd8e8a6a324d7d62ca5c81a9e595b6149091b065a135b1e11ad6c2abad27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db94cd8e8a6a324d7d62ca5c81a9e595b6149091b065a135b1e11ad6c2abad27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db94cd8e8a6a324d7d62ca5c81a9e595b6149091b065a135b1e11ad6c2abad27", kill_on_drop: false }`
[INFO] [stdout] db94cd8e8a6a324d7d62ca5c81a9e595b6149091b065a135b1e11ad6c2abad27
[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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0885017559b9fb4d7c15fc789e9f5b75712463b9d9f7e467cf19724019125603
[INFO] running `Command { std: "docker" "start" "-a" "0885017559b9fb4d7c15fc789e9f5b75712463b9d9f7e467cf19724019125603", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling slab v0.4.11
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[INFO] [stderr]    Compiling futures-channel v0.3.31
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[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling indexmap v2.11.0
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[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling hydra_core v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/monitor.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async fn check_status(name: &str, url: &str) -> bool {
[INFO] [stdout]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target_type` is never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Target {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     target_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Target` has derived impls for the traits `Clone` and `Debug`, but these are 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: constant `WATERMARK` is never used
[INFO] [stdout]  --> src/monitor.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const WATERMARK: &str = "A product of Arifi Razzaq's genius.";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WATERMARK` is never used
[INFO] [stdout]  --> src/tasks.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const WATERMARK: &str = "A product of Arifi Razzaq's genius.";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "0885017559b9fb4d7c15fc789e9f5b75712463b9d9f7e467cf19724019125603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0885017559b9fb4d7c15fc789e9f5b75712463b9d9f7e467cf19724019125603", kill_on_drop: false }`
[INFO] [stdout] 0885017559b9fb4d7c15fc789e9f5b75712463b9d9f7e467cf19724019125603
[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=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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e26780349e6830a7a83fda38b7a130320fa80234a61d9cd33a54d2bcf6271d14
[INFO] running `Command { std: "docker" "start" "-a" "e26780349e6830a7a83fda38b7a130320fa80234a61d9cd33a54d2bcf6271d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling hydra_core v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/monitor.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async fn check_status(name: &str, url: &str) -> bool {
[INFO] [stdout]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target_type` is never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Target {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     target_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Target` has derived impls for the traits `Clone` and `Debug`, but these are 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: constant `WATERMARK` is never used
[INFO] [stdout]  --> src/monitor.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const WATERMARK: &str = "A product of Arifi Razzaq's genius.";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WATERMARK` is never used
[INFO] [stdout]  --> src/tasks.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const WATERMARK: &str = "A product of Arifi Razzaq's genius.";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "e26780349e6830a7a83fda38b7a130320fa80234a61d9cd33a54d2bcf6271d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26780349e6830a7a83fda38b7a130320fa80234a61d9cd33a54d2bcf6271d14", kill_on_drop: false }`
[INFO] [stdout] e26780349e6830a7a83fda38b7a130320fa80234a61d9cd33a54d2bcf6271d14
[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=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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e289a07b6850283bebfee7c9311a2af3bcb8fc58932920f11c0f5ef17bf7167f
[INFO] running `Command { std: "docker" "start" "-a" "e289a07b6850283bebfee7c9311a2af3bcb8fc58932920f11c0f5ef17bf7167f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/monitor.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub async fn check_status(name: &str, url: &str) -> bool {
[INFO] [stderr]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `target_type` is never read
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Target {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 27 |     target_type: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Target` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `WATERMARK` is never used
[INFO] [stderr]  --> src/monitor.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const WATERMARK: &str = "A product of Arifi Razzaq's genius.";
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `WATERMARK` is never used
[INFO] [stderr]  --> src/tasks.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const WATERMARK: &str = "A product of Arifi Razzaq's genius.";
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hydra_core` (bin "hydra_core" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hydra_core-ab64fbd1edba05a3)
[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" "e289a07b6850283bebfee7c9311a2af3bcb8fc58932920f11c0f5ef17bf7167f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e289a07b6850283bebfee7c9311a2af3bcb8fc58932920f11c0f5ef17bf7167f", kill_on_drop: false }`
[INFO] [stdout] e289a07b6850283bebfee7c9311a2af3bcb8fc58932920f11c0f5ef17bf7167f