[INFO] fetching crate retable 0.7.0-alpha.5...
[INFO] testing retable-0.7.0-alpha.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate retable 0.7.0-alpha.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate retable 0.7.0-alpha.5
[INFO] finished tweaking crates.io crate retable 0.7.0-alpha.5
[INFO] tweaked toml for crates.io crate retable 0.7.0-alpha.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate retable 0.7.0-alpha.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 105 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.2)
[INFO] [stderr]       Adding zerocopy v0.7.35 (available: v0.8.48)
[INFO] [stderr]       Adding zerocopy-derive v0.7.35 (available: v0.8.48)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4251998ea2d40751539686c580e31a5353ed2ea59136a056e9ff5f53de9b7857
[INFO] running `Command { std: "docker" "start" "-a" "4251998ea2d40751539686c580e31a5353ed2ea59136a056e9ff5f53de9b7857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4251998ea2d40751539686c580e31a5353ed2ea59136a056e9ff5f53de9b7857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4251998ea2d40751539686c580e31a5353ed2ea59136a056e9ff5f53de9b7857", kill_on_drop: false }`
[INFO] [stdout] 4251998ea2d40751539686c580e31a5353ed2ea59136a056e9ff5f53de9b7857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cb307054c7d6c6d98692dba20d212e1a1cfb99059c2daef28a4d07467b2bade
[INFO] running `Command { std: "docker" "start" "-a" "7cb307054c7d6c6d98692dba20d212e1a1cfb99059c2daef28a4d07467b2bade", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling retable v0.7.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LogWriter`
[INFO] [stdout]   --> src/dense.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::protocol::{Atom, Atomic, LogWriter, MergeAssign};
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MergeFn` is never used
[INFO] [stdout]   --> src/merge.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait MergeFn<V, D>: Fn(Option<&mut V>, D) -> bool {}
[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 2.07s
[INFO] running `Command { std: "docker" "inspect" "7cb307054c7d6c6d98692dba20d212e1a1cfb99059c2daef28a4d07467b2bade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb307054c7d6c6d98692dba20d212e1a1cfb99059c2daef28a4d07467b2bade", kill_on_drop: false }`
[INFO] [stdout] 7cb307054c7d6c6d98692dba20d212e1a1cfb99059c2daef28a4d07467b2bade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec3722842c37a172a6037f4819fb31de70a42b86d2271f620ddc8ff6aeb85bdf
[INFO] running `Command { std: "docker" "start" "-a" "ec3722842c37a172a6037f4819fb31de70a42b86d2271f620ddc8ff6aeb85bdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling retable v0.7.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LogWriter`
[INFO] [stdout]   --> src/dense.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::protocol::{Atom, Atomic, LogWriter, MergeAssign};
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MergeFn` is never used
[INFO] [stdout]   --> src/merge.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait MergeFn<V, D>: Fn(Option<&mut V>, D) -> bool {}
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused import: `LogWriter`
[INFO] [stdout]   --> src/dense.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::protocol::{Atom, Atomic, LogWriter, MergeAssign};
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MergeFn` is never used
[INFO] [stdout]   --> src/merge.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait MergeFn<V, D>: Fn(Option<&mut V>, D) -> bool {}
[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 48.70s
[INFO] running `Command { std: "docker" "inspect" "ec3722842c37a172a6037f4819fb31de70a42b86d2271f620ddc8ff6aeb85bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3722842c37a172a6037f4819fb31de70a42b86d2271f620ddc8ff6aeb85bdf", kill_on_drop: false }`
[INFO] [stdout] ec3722842c37a172a6037f4819fb31de70a42b86d2271f620ddc8ff6aeb85bdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21204edbec46cab52a9e101f40acf203ba8b14b645c061b68d621932ae61532c
[INFO] running `Command { std: "docker" "start" "-a" "21204edbec46cab52a9e101f40acf203ba8b14b645c061b68d621932ae61532c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `LogWriter`
[INFO] [stderr]   --> src/dense.rs:31:37
[INFO] [stderr]    |
[INFO] [stderr] 31 | use crate::protocol::{Atom, Atomic, LogWriter, MergeAssign};
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MergeFn` is never used
[INFO] [stderr]   --> src/merge.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub trait MergeFn<V, D>: Fn(Option<&mut V>, D) -> bool {}
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `retable` (lib) generated 2 warnings (run `cargo fix --lib -p retable` to apply 1 suggestion)
[INFO] [stderr] warning: `retable` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/retable-eca4e1c7f191e906)
[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 retable
[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" "21204edbec46cab52a9e101f40acf203ba8b14b645c061b68d621932ae61532c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21204edbec46cab52a9e101f40acf203ba8b14b645c061b68d621932ae61532c", kill_on_drop: false }`
[INFO] [stdout] 21204edbec46cab52a9e101f40acf203ba8b14b645c061b68d621932ae61532c
