[INFO] fetching crate heredity 0.2.0...
[INFO] testing heredity-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate heredity 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate heredity 0.2.0
[INFO] finished tweaking crates.io crate heredity 0.2.0
[INFO] tweaked toml for crates.io crate heredity 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate heredity 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding snafu v0.6.10 (available: v0.8.9)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c189845d3fc52c976dca0366488e1b2c6b3a9e04c55387a501d9456051d4591
[INFO] running `Command { std: "docker" "start" "-a" "8c189845d3fc52c976dca0366488e1b2c6b3a9e04c55387a501d9456051d4591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c189845d3fc52c976dca0366488e1b2c6b3a9e04c55387a501d9456051d4591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c189845d3fc52c976dca0366488e1b2c6b3a9e04c55387a501d9456051d4591", kill_on_drop: false }`
[INFO] [stdout] 8c189845d3fc52c976dca0366488e1b2c6b3a9e04c55387a501d9456051d4591
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e85802aa888e3895e1e46a4788e725b3096ae61660a3453b0b9ae1781d8a6d
[INFO] running `Command { std: "docker" "start" "-a" "32e85802aa888e3895e1e46a4788e725b3096ae61660a3453b0b9ae1781d8a6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling heredity v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/cell.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Cell {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 2 |     pub id: u64,
[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 2.18s
[INFO] running `Command { std: "docker" "inspect" "32e85802aa888e3895e1e46a4788e725b3096ae61660a3453b0b9ae1781d8a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e85802aa888e3895e1e46a4788e725b3096ae61660a3453b0b9ae1781d8a6d", kill_on_drop: false }`
[INFO] [stdout] 32e85802aa888e3895e1e46a4788e725b3096ae61660a3453b0b9ae1781d8a6d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a3323bbbac86385d637d44087c55f38000d86da47df42a065074ed10150636
[INFO] running `Command { std: "docker" "start" "-a" "a2a3323bbbac86385d637d44087c55f38000d86da47df42a065074ed10150636", kill_on_drop: false }`
[INFO] [stderr]    Compiling heredity v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/cell.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Cell {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 2 |     pub id: u64,
[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 1.46s
[INFO] running `Command { std: "docker" "inspect" "a2a3323bbbac86385d637d44087c55f38000d86da47df42a065074ed10150636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a3323bbbac86385d637d44087c55f38000d86da47df42a065074ed10150636", kill_on_drop: false }`
[INFO] [stdout] a2a3323bbbac86385d637d44087c55f38000d86da47df42a065074ed10150636
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3aa95efa93f2836d472dda3bb0dc81912bc203106f844f8e4e2634be89ec749a
[INFO] running `Command { std: "docker" "start" "-a" "3aa95efa93f2836d472dda3bb0dc81912bc203106f844f8e4e2634be89ec749a", kill_on_drop: false }`
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]  --> src/cell.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Cell {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 2 |     pub id: u64,
[INFO] [stderr]   |         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `heredity` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/heredity-3c25d14d7bd98b5b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parameters::tests::parameters_init ... ok
[INFO] [stdout] test cell::tests::cell_breed ... ok
[INFO] [stdout] test cell::tests::cell_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stderr]      Running tests/full_loop.rs (/opt/rustwide/target/debug/deps/full_loop-21e81ab312dbbde0)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_full_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-b276416a40d6b3da)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test full_loop::test_full_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests heredity
[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" "3aa95efa93f2836d472dda3bb0dc81912bc203106f844f8e4e2634be89ec749a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa95efa93f2836d472dda3bb0dc81912bc203106f844f8e4e2634be89ec749a", kill_on_drop: false }`
[INFO] [stdout] 3aa95efa93f2836d472dda3bb0dc81912bc203106f844f8e4e2634be89ec749a