[INFO] fetching crate kcell 0.0.0...
[INFO] testing kcell-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kcell 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate kcell 0.0.0
[INFO] finished tweaking crates.io crate kcell 0.0.0
[INFO] tweaked toml for crates.io crate kcell 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kcell 0.0.0 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 kcell 0.0.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 445ebff7b65eab7a8d4ab2810ff11d41cc4318a7350066f48b503661b3d61a62
[INFO] running `Command { std: "docker" "start" "-a" "445ebff7b65eab7a8d4ab2810ff11d41cc4318a7350066f48b503661b3d61a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "445ebff7b65eab7a8d4ab2810ff11d41cc4318a7350066f48b503661b3d61a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445ebff7b65eab7a8d4ab2810ff11d41cc4318a7350066f48b503661b3d61a62", kill_on_drop: false }`
[INFO] [stdout] 445ebff7b65eab7a8d4ab2810ff11d41cc4318a7350066f48b503661b3d61a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d6136fe0c09fb4690753f6e6fab284b509b720607b2d5a9d6c54fda64d229bba
[INFO] running `Command { std: "docker" "start" "-a" "d6136fe0c09fb4690753f6e6fab284b509b720607b2d5a9d6c54fda64d229bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling kcell v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[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 0.47s
[INFO] running `Command { std: "docker" "inspect" "d6136fe0c09fb4690753f6e6fab284b509b720607b2d5a9d6c54fda64d229bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6136fe0c09fb4690753f6e6fab284b509b720607b2d5a9d6c54fda64d229bba", kill_on_drop: false }`
[INFO] [stdout] d6136fe0c09fb4690753f6e6fab284b509b720607b2d5a9d6c54fda64d229bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 48e7dabd2daf203a36c704dcdf31dba2a7bfd3eb89533dfa60dc4fedbcd2fd6d
[INFO] running `Command { std: "docker" "start" "-a" "48e7dabd2daf203a36c704dcdf31dba2a7bfd3eb89533dfa60dc4fedbcd2fd6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling kcell v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[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 0.25s
[INFO] running `Command { std: "docker" "inspect" "48e7dabd2daf203a36c704dcdf31dba2a7bfd3eb89533dfa60dc4fedbcd2fd6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e7dabd2daf203a36c704dcdf31dba2a7bfd3eb89533dfa60dc4fedbcd2fd6d", kill_on_drop: false }`
[INFO] [stdout] 48e7dabd2daf203a36c704dcdf31dba2a7bfd3eb89533dfa60dc4fedbcd2fd6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e5ac714c9859d147a944a7a99f1c42412cb07ca1456ea21b91c608978a409e3c
[INFO] running `Command { std: "docker" "start" "-a" "e5ac714c9859d147a944a7a99f1c42412cb07ca1456ea21b91c608978a409e3c", kill_on_drop: false }`
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kcell` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kcell-5abbc3d9bd5c7487)
[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]    Doc-tests kcell
[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" "e5ac714c9859d147a944a7a99f1c42412cb07ca1456ea21b91c608978a409e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ac714c9859d147a944a7a99f1c42412cb07ca1456ea21b91c608978a409e3c", kill_on_drop: false }`
[INFO] [stdout] e5ac714c9859d147a944a7a99f1c42412cb07ca1456ea21b91c608978a409e3c