[INFO] cloning repository https://github.com/JenishCodes/KeyVal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JenishCodes/KeyVal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJenishCodes%2FKeyVal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJenishCodes%2FKeyVal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d08889b990622a17c5fa725acb62fee322b50b70
[INFO] testing JenishCodes/KeyVal against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJenishCodes%2FKeyVal" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JenishCodes/KeyVal
[INFO] finished tweaking git repo https://github.com/JenishCodes/KeyVal
[INFO] tweaked toml for git repo https://github.com/JenishCodes/KeyVal written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JenishCodes/KeyVal on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JenishCodes/KeyVal 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing JenishCodes/KeyVal against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJenishCodes%2FKeyVal" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JenishCodes/KeyVal
[INFO] finished tweaking git repo https://github.com/JenishCodes/KeyVal
[INFO] tweaked toml for git repo https://github.com/JenishCodes/KeyVal written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JenishCodes/KeyVal on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JenishCodes/KeyVal 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1fa2414d3506672713dad123b58811b3a060528ab942cfe768599cc8cb5846d
[INFO] running `Command { std: "docker" "start" "-a" "c1fa2414d3506672713dad123b58811b3a060528ab942cfe768599cc8cb5846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1fa2414d3506672713dad123b58811b3a060528ab942cfe768599cc8cb5846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fa2414d3506672713dad123b58811b3a060528ab942cfe768599cc8cb5846d", kill_on_drop: false }`
[INFO] [stdout] c1fa2414d3506672713dad123b58811b3a060528ab942cfe768599cc8cb5846d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b97afdb6d018f49488514e58f23b614a0e549d725a4a26b225a62b1c3a8a1ab
[INFO] running `Command { std: "docker" "start" "-a" "2b97afdb6d018f49488514e58f23b614a0e549d725a4a26b225a62b1c3a8a1ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling KeyVal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_set` is never used
[INFO] [stdout]   --> src/value.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Value {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn as_set(&self) -> Option<&HashSet<String>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_set` is never used
[INFO] [stdout]   --> src/value.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl Value {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn is_set(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "2b97afdb6d018f49488514e58f23b614a0e549d725a4a26b225a62b1c3a8a1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b97afdb6d018f49488514e58f23b614a0e549d725a4a26b225a62b1c3a8a1ab", kill_on_drop: false }`
[INFO] [stdout] 2b97afdb6d018f49488514e58f23b614a0e549d725a4a26b225a62b1c3a8a1ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b9f5851857032df41b90cc2a1bd9d473375e7d410d1c6564a771a95b262a4f5
[INFO] running `Command { std: "docker" "start" "-a" "6b9f5851857032df41b90cc2a1bd9d473375e7d410d1c6564a771a95b262a4f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling KeyVal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_set` is never used
[INFO] [stdout]   --> src/value.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Value {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn as_set(&self) -> Option<&HashSet<String>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_set` is never used
[INFO] [stdout]   --> src/value.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl Value {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn is_set(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6b9f5851857032df41b90cc2a1bd9d473375e7d410d1c6564a771a95b262a4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9f5851857032df41b90cc2a1bd9d473375e7d410d1c6564a771a95b262a4f5", kill_on_drop: false }`
[INFO] [stdout] 6b9f5851857032df41b90cc2a1bd9d473375e7d410d1c6564a771a95b262a4f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74994b18e8dea31f6124f59eb4514ac8bc1856298c74d35b1cfb3b9a21d6dc32
[INFO] running `Command { std: "docker" "start" "-a" "74994b18e8dea31f6124f59eb4514ac8bc1856298c74d35b1cfb3b9a21d6dc32", kill_on_drop: false }`
[INFO] [stderr] warning: method `as_set` is never used
[INFO] [stderr]   --> src/value.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | impl Value {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn as_set(&self) -> Option<&HashSet<String>> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_set` is never used
[INFO] [stderr]   --> src/value.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl Value {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 90 |     pub fn is_set(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `KeyVal` (bin "KeyVal" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/KeyVal-0087f926afc44aed)
[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" "74994b18e8dea31f6124f59eb4514ac8bc1856298c74d35b1cfb3b9a21d6dc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74994b18e8dea31f6124f59eb4514ac8bc1856298c74d35b1cfb3b9a21d6dc32", kill_on_drop: false }`
[INFO] [stdout] 74994b18e8dea31f6124f59eb4514ac8bc1856298c74d35b1cfb3b9a21d6dc32