[INFO] fetching crate shardio 0.8.2...
[INFO] testing shardio-0.8.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shardio 0.8.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate shardio 0.8.2
[INFO] finished tweaking crates.io crate shardio 0.8.2
[INFO] tweaked toml for crates.io crate shardio 0.8.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shardio 0.8.2 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 123 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e0659d9ed2c39aa94e7846a8618d33367ecf52573b809f8853a50c2b6cec8c72
[INFO] running `Command { std: "docker" "start" "-a" "e0659d9ed2c39aa94e7846a8618d33367ecf52573b809f8853a50c2b6cec8c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0659d9ed2c39aa94e7846a8618d33367ecf52573b809f8853a50c2b6cec8c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0659d9ed2c39aa94e7846a8618d33367ecf52573b809f8853a50c2b6cec8c72", kill_on_drop: false }`
[INFO] [stdout] e0659d9ed2c39aa94e7846a8618d33367ecf52573b809f8853a50c2b6cec8c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 60586d7c44c491fbf20bcaec3334efeaa514e18f1b4caba5bdf27425f99dbccd
[INFO] running `Command { std: "docker" "start" "-a" "60586d7c44c491fbf20bcaec3334efeaa514e18f1b4caba5bdf27425f99dbccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling min-max-heap v1.3.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling lz4 v1.28.1
[INFO] [stderr]    Compiling shardio v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.02s
[INFO] running `Command { std: "docker" "inspect" "60586d7c44c491fbf20bcaec3334efeaa514e18f1b4caba5bdf27425f99dbccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60586d7c44c491fbf20bcaec3334efeaa514e18f1b4caba5bdf27425f99dbccd", kill_on_drop: false }`
[INFO] [stdout] 60586d7c44c491fbf20bcaec3334efeaa514e18f1b4caba5bdf27425f99dbccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5b58b9fe87b40896ac719237fc72f8f56455208a113273d70d742e0f4e4c154e
[INFO] running `Command { std: "docker" "start" "-a" "5b58b9fe87b40896ac719237fc72f8f56455208a113273d70d742e0f4e4c154e", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling is_sorted v0.1.1
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling quickcheck v1.1.0
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling shardio v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `quickcheck::QuickCheck::gen`: use `set_rng` instead
[INFO] [stdout]     --> src/lib.rs:1858:14
[INFO] [stdout]      |
[INFO] [stdout] 1858 |             .gen(Gen::new(500000))
[INFO] [stdout]      |              ^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:85:9
[INFO] [stdout]      |
[INFO] [stdout]   85 | #![deny(warnings)]
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:2179:24
[INFO] [stdout]      |
[INFO] [stdout] 2179 |         fn sort_key(v: &T2) -> Cow<u16> {
[INFO] [stdout]      |                        ^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 2179 |         fn sort_key(v: &T2) -> Cow<'_, u16> {
[INFO] [stdout]      |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:2186:24
[INFO] [stdout]      |
[INFO] [stdout] 2186 |         fn sort_key(v: &T3) -> Cow<u16> {
[INFO] [stdout]      |                        ^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 2186 |         fn sort_key(v: &T3) -> Cow<'_, u16> {
[INFO] [stdout]      |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:2193:24
[INFO] [stdout]      |
[INFO] [stdout] 2193 |         fn sort_key(v: &T2) -> Cow<u16> {
[INFO] [stdout]      |                        ^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 2193 |         fn sort_key(v: &T2) -> Cow<'_, u16> {
[INFO] [stdout]      |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.74s
[INFO] running `Command { std: "docker" "inspect" "5b58b9fe87b40896ac719237fc72f8f56455208a113273d70d742e0f4e4c154e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b58b9fe87b40896ac719237fc72f8f56455208a113273d70d742e0f4e4c154e", kill_on_drop: false }`
[INFO] [stdout] 5b58b9fe87b40896ac719237fc72f8f56455208a113273d70d742e0f4e4c154e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4af0e8d515c3d36cadf8a470afdf8ae479ff9a5f84ad043aaf2e4a17403b8157
[INFO] running `Command { std: "docker" "start" "-a" "4af0e8d515c3d36cadf8a470afdf8ae479ff9a5f84ad043aaf2e4a17403b8157", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `quickcheck::QuickCheck::gen`: use `set_rng` instead
[INFO] [stderr]     --> src/lib.rs:1858:14
[INFO] [stderr]      |
[INFO] [stderr] 1858 |             .gen(Gen::new(500000))
[INFO] [stderr]      |              ^^^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:85:9
[INFO] [stderr]      |
[INFO] [stderr]   85 | #![deny(warnings)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:2179:24
[INFO] [stderr]      |
[INFO] [stderr] 2179 |         fn sort_key(v: &T2) -> Cow<u16> {
[INFO] [stderr]      |                        ^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]      = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 2179 |         fn sort_key(v: &T2) -> Cow<'_, u16> {
[INFO] [stderr]      |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:2186:24
[INFO] [stderr]      |
[INFO] [stderr] 2186 |         fn sort_key(v: &T3) -> Cow<u16> {
[INFO] [stderr]      |                        ^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 2186 |         fn sort_key(v: &T3) -> Cow<'_, u16> {
[INFO] [stderr]      |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/lib.rs:2193:24
[INFO] [stderr]      |
[INFO] [stderr] 2193 |         fn sort_key(v: &T2) -> Cow<u16> {
[INFO] [stderr]      |                        ^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 2193 |         fn sort_key(v: &T2) -> Cow<'_, u16> {
[INFO] [stderr]      |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `shardio` (lib test) generated 4 warnings (run `cargo fix --lib -p shardio --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shardio-bead86250137173e)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test helper::thread_tests::thread_iterate_test ... ok
[INFO] [stdout] test range::range_tests::test_range ... ok
[INFO] [stdout] test range::range_tests::test_range_cmp ... ok
[INFO] [stdout] test range::range_tests::test_shard_cmp ... ok
[INFO] [stdout] test shard_tests::test_empty_open_set ... ok
[INFO] [stdout] test shard_tests::test_styp_error ... ok
[INFO] [stdout] test shard_tests::test_ttyp_error ... ok
[INFO] [stdout] test helper::thread_tests::thread_write_test ... ok
[INFO] [stdout] test shard_tests::test_io_error ... ok
[INFO] [stdout] test shard_tests::test_shard_one_key ... ok
[INFO] [stdout] test shard_tests::test_shard_round_trip ... ok
[INFO] [stdout] test shard_tests::test_shard_round_trip_sort_key_too_many_active_readers ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/shardio-bead86250137173e` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4af0e8d515c3d36cadf8a470afdf8ae479ff9a5f84ad043aaf2e4a17403b8157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af0e8d515c3d36cadf8a470afdf8ae479ff9a5f84ad043aaf2e4a17403b8157", kill_on_drop: false }`
[INFO] [stdout] 4af0e8d515c3d36cadf8a470afdf8ae479ff9a5f84ad043aaf2e4a17403b8157
