[INFO] fetching crate grdn 0.0.1...
[INFO] testing grdn-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate grdn 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate grdn 0.0.1
[INFO] finished tweaking crates.io crate grdn 0.0.1
[INFO] tweaked toml for crates.io crate grdn 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate grdn 0.0.1 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 grdn 0.0.1 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" "+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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e48d073f42893d0acdf0ec023347c392bbed59bfa4250af30c160e869b3c09b1
[INFO] running `Command { std: "docker" "start" "-a" "e48d073f42893d0acdf0ec023347c392bbed59bfa4250af30c160e869b3c09b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e48d073f42893d0acdf0ec023347c392bbed59bfa4250af30c160e869b3c09b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48d073f42893d0acdf0ec023347c392bbed59bfa4250af30c160e869b3c09b1", kill_on_drop: false }`
[INFO] [stdout] e48d073f42893d0acdf0ec023347c392bbed59bfa4250af30c160e869b3c09b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b7eeb07f524ad88e0bf81c61e9751ff57b1e4ab03b6509c962078584b8dcdae0
[INFO] running `Command { std: "docker" "start" "-a" "b7eeb07f524ad88e0bf81c61e9751ff57b1e4ab03b6509c962078584b8dcdae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling uuid-macro-internal v1.2.2
[INFO] [stderr]    Compiling uuid v1.2.2
[INFO] [stderr]    Compiling grdn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/uuid_v4.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl UUIDv4 {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 10 |     pub(crate) fn new() -> UUIDv4 {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.99s
[INFO] running `Command { std: "docker" "inspect" "b7eeb07f524ad88e0bf81c61e9751ff57b1e4ab03b6509c962078584b8dcdae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7eeb07f524ad88e0bf81c61e9751ff57b1e4ab03b6509c962078584b8dcdae0", kill_on_drop: false }`
[INFO] [stdout] b7eeb07f524ad88e0bf81c61e9751ff57b1e4ab03b6509c962078584b8dcdae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3e67e0c3eb4e08146829a6ece68430dc256b467b277a9fdfd04cbba25686e580
[INFO] running `Command { std: "docker" "start" "-a" "3e67e0c3eb4e08146829a6ece68430dc256b467b277a9fdfd04cbba25686e580", kill_on_drop: false }`
[INFO] [stderr]    Compiling grdn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/uuid_v4.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl UUIDv4 {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 10 |     pub(crate) fn new() -> UUIDv4 {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/uuid_v4.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl UUIDv4 {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 10 |     pub(crate) fn new() -> UUIDv4 {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "3e67e0c3eb4e08146829a6ece68430dc256b467b277a9fdfd04cbba25686e580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e67e0c3eb4e08146829a6ece68430dc256b467b277a9fdfd04cbba25686e580", kill_on_drop: false }`
[INFO] [stdout] 3e67e0c3eb4e08146829a6ece68430dc256b467b277a9fdfd04cbba25686e580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7bcb36f527d6decf89d023b329cafe2b6d5d3dd799a1b099a15a837cadc5985a
[INFO] running `Command { std: "docker" "start" "-a" "7bcb36f527d6decf89d023b329cafe2b6d5d3dd799a1b099a15a837cadc5985a", kill_on_drop: false }`
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/uuid_v4.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl UUIDv4 {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 10 |     pub(crate) fn new() -> UUIDv4 {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `grdn` (lib) generated 1 warning
[INFO] [stderr] warning: `grdn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grdn-4433fc9c209e8daa)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/grdn-ff8e12f9f3157381)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grdn
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "7bcb36f527d6decf89d023b329cafe2b6d5d3dd799a1b099a15a837cadc5985a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcb36f527d6decf89d023b329cafe2b6d5d3dd799a1b099a15a837cadc5985a", kill_on_drop: false }`
[INFO] [stdout] 7bcb36f527d6decf89d023b329cafe2b6d5d3dd799a1b099a15a837cadc5985a