[INFO] fetching crate prepeek 0.1.2...
[INFO] testing prepeek-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate prepeek 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prepeek 0.1.2
[INFO] finished tweaking crates.io crate prepeek 0.1.2
[INFO] tweaked toml for crates.io crate prepeek 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prepeek 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 350f4d7546232d8a0b46a29a3a930af9ae5d2a4cccde0e6e0958ea896edc36de
[INFO] running `Command { std: "docker" "start" "-a" "350f4d7546232d8a0b46a29a3a930af9ae5d2a4cccde0e6e0958ea896edc36de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "350f4d7546232d8a0b46a29a3a930af9ae5d2a4cccde0e6e0958ea896edc36de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350f4d7546232d8a0b46a29a3a930af9ae5d2a4cccde0e6e0958ea896edc36de", kill_on_drop: false }`
[INFO] [stdout] 350f4d7546232d8a0b46a29a3a930af9ae5d2a4cccde0e6e0958ea896edc36de
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2599d0d2529350abb6157e5a23f9e9427e04fc9b0e710d2aa099ea45db66f76e
[INFO] running `Command { std: "docker" "start" "-a" "2599d0d2529350abb6157e5a23f9e9427e04fc9b0e710d2aa099ea45db66f76e", kill_on_drop: false }`
[INFO] [stderr]    Compiling prepeek v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "2599d0d2529350abb6157e5a23f9e9427e04fc9b0e710d2aa099ea45db66f76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2599d0d2529350abb6157e5a23f9e9427e04fc9b0e710d2aa099ea45db66f76e", kill_on_drop: false }`
[INFO] [stdout] 2599d0d2529350abb6157e5a23f9e9427e04fc9b0e710d2aa099ea45db66f76e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f96b9e6e21e9b76969a14a23aefc762f6f7a3323fae9e5fe6a1e721f5a4bed35
[INFO] running `Command { std: "docker" "start" "-a" "f96b9e6e21e9b76969a14a23aefc762f6f7a3323fae9e5fe6a1e721f5a4bed35", kill_on_drop: false }`
[INFO] [stderr]    Compiling prepeek v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "f96b9e6e21e9b76969a14a23aefc762f6f7a3323fae9e5fe6a1e721f5a4bed35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96b9e6e21e9b76969a14a23aefc762f6f7a3323fae9e5fe6a1e721f5a4bed35", kill_on_drop: false }`
[INFO] [stdout] f96b9e6e21e9b76969a14a23aefc762f6f7a3323fae9e5fe6a1e721f5a4bed35
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31a3a14dbac264ba5f782c88cdc1069c5ce91590d8048ad7735fb6e1c859e55c
[INFO] running `Command { std: "docker" "start" "-a" "31a3a14dbac264ba5f782c88cdc1069c5ce91590d8048ad7735fb6e1c859e55c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prepeek-69801846999593a5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_overallocated ... ok
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] test tests::test_no_prefetch ... 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 prepeek
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Prepeek<I,L>::peek (line 40) ... ok
[INFO] [stdout] test src/lib.rs - Prepeek<I,L>::peek_nth (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31a3a14dbac264ba5f782c88cdc1069c5ce91590d8048ad7735fb6e1c859e55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a3a14dbac264ba5f782c88cdc1069c5ce91590d8048ad7735fb6e1c859e55c", kill_on_drop: false }`
[INFO] [stdout] 31a3a14dbac264ba5f782c88cdc1069c5ce91590d8048ad7735fb6e1c859e55c