[INFO] fetching crate lifers 0.3.0...
[INFO] testing lifers-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate lifers 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate lifers 0.3.0
[INFO] finished tweaking crates.io crate lifers 0.3.0
[INFO] tweaked toml for crates.io crate lifers 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lifers 0.3.0 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 76 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[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] 7843155bf475819385b47f7a562a8fd244b7d8c5b905cd4f9e028f6097f924d9
[INFO] running `Command { std: "docker" "start" "-a" "7843155bf475819385b47f7a562a8fd244b7d8c5b905cd4f9e028f6097f924d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7843155bf475819385b47f7a562a8fd244b7d8c5b905cd4f9e028f6097f924d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7843155bf475819385b47f7a562a8fd244b7d8c5b905cd4f9e028f6097f924d9", kill_on_drop: false }`
[INFO] [stdout] 7843155bf475819385b47f7a562a8fd244b7d8c5b905cd4f9e028f6097f924d9
[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] 8f4f9a47c3db613d4e7ec209145a0a1d1759557caf1bfee9b9aa5f8a36168d1f
[INFO] running `Command { std: "docker" "start" "-a" "8f4f9a47c3db613d4e7ec209145a0a1d1759557caf1bfee9b9aa5f8a36168d1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling lifers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "8f4f9a47c3db613d4e7ec209145a0a1d1759557caf1bfee9b9aa5f8a36168d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4f9a47c3db613d4e7ec209145a0a1d1759557caf1bfee9b9aa5f8a36168d1f", kill_on_drop: false }`
[INFO] [stdout] 8f4f9a47c3db613d4e7ec209145a0a1d1759557caf1bfee9b9aa5f8a36168d1f
[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] 7a21e8d1cd79df094fe9e2a96db4866a20caa162f97a7419011f4ee5e6679662
[INFO] running `Command { std: "docker" "start" "-a" "7a21e8d1cd79df094fe9e2a96db4866a20caa162f97a7419011f4ee5e6679662", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling lifers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.73s
[INFO] running `Command { std: "docker" "inspect" "7a21e8d1cd79df094fe9e2a96db4866a20caa162f97a7419011f4ee5e6679662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a21e8d1cd79df094fe9e2a96db4866a20caa162f97a7419011f4ee5e6679662", kill_on_drop: false }`
[INFO] [stdout] 7a21e8d1cd79df094fe9e2a96db4866a20caa162f97a7419011f4ee5e6679662
[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] 669e3550baffda2ea544a87a8b71ebaa15dd18c8f2995320fc62784f4784ee34
[INFO] running `Command { std: "docker" "start" "-a" "669e3550baffda2ea544a87a8b71ebaa15dd18c8f2995320fc62784f4784ee34", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lifers-e768b52fb0875927)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test engine::generic::tests::builder ... ok
[INFO] [stdout] test engine::life_like::tests::builder ... ok
[INFO] [stdout] test engine::generic::tests::generations_limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lifers
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/lib.rs:16:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::random;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "669e3550baffda2ea544a87a8b71ebaa15dd18c8f2995320fc62784f4784ee34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669e3550baffda2ea544a87a8b71ebaa15dd18c8f2995320fc62784f4784ee34", kill_on_drop: false }`
[INFO] [stdout] 669e3550baffda2ea544a87a8b71ebaa15dd18c8f2995320fc62784f4784ee34