[INFO] fetching crate flat_db 0.3.0...
[INFO] testing flat_db-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate flat_db 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate flat_db 0.3.0
[INFO] finished tweaking crates.io crate flat_db 0.3.0
[INFO] tweaked toml for crates.io crate flat_db 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flat_db 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 116 packages to latest compatible versions
[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] 400ca72a2c113f43794fc25bfdb171e039f4db666c12ec62ff7a9e9a893c2fdc
[INFO] running `Command { std: "docker" "start" "-a" "400ca72a2c113f43794fc25bfdb171e039f4db666c12ec62ff7a9e9a893c2fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "400ca72a2c113f43794fc25bfdb171e039f4db666c12ec62ff7a9e9a893c2fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400ca72a2c113f43794fc25bfdb171e039f4db666c12ec62ff7a9e9a893c2fdc", kill_on_drop: false }`
[INFO] [stdout] 400ca72a2c113f43794fc25bfdb171e039f4db666c12ec62ff7a9e9a893c2fdc
[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] 13e2777cf6d720f07d3a61d5cd9f8dbf2a56bc6e17294ad42c8d5ff716831455
[INFO] running `Command { std: "docker" "start" "-a" "13e2777cf6d720f07d3a61d5cd9f8dbf2a56bc6e17294ad42c8d5ff716831455", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rogue_logging v0.3.0
[INFO] [stderr]    Compiling flat_db v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `Command { std: "docker" "inspect" "13e2777cf6d720f07d3a61d5cd9f8dbf2a56bc6e17294ad42c8d5ff716831455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e2777cf6d720f07d3a61d5cd9f8dbf2a56bc6e17294ad42c8d5ff716831455", kill_on_drop: false }`
[INFO] [stdout] 13e2777cf6d720f07d3a61d5cd9f8dbf2a56bc6e17294ad42c8d5ff716831455
[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] 408fc897baaae9b4b4a0bf7ea3d5ba87a985bfc6d9a1dab5573292e366985efd
[INFO] running `Command { std: "docker" "start" "-a" "408fc897baaae9b4b4a0bf7ea3d5ba87a985bfc6d9a1dab5573292e366985efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling flat_db v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "408fc897baaae9b4b4a0bf7ea3d5ba87a985bfc6d9a1dab5573292e366985efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408fc897baaae9b4b4a0bf7ea3d5ba87a985bfc6d9a1dab5573292e366985efd", kill_on_drop: false }`
[INFO] [stdout] 408fc897baaae9b4b4a0bf7ea3d5ba87a985bfc6d9a1dab5573292e366985efd
[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] 79ba7f7123df2f891569f0aaecb4e590c418add20fce113db1bacda7bf6ea402
[INFO] running `Command { std: "docker" "start" "-a" "79ba7f7123df2f891569f0aaecb4e590c418add20fce113db1bacda7bf6ea402", 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/flat_db-2a0cdeaadb93820a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::hash_tests::hash_from_string ... ok
[INFO] [stdout] test tests::hash_tests::hash_from_string_invalid_length ... ok
[INFO] [stdout] test tests::hash_tests::hash_from_string_invalid_chars ... ok
[INFO] [stdout] test tests::hash_tests::hash_to_hex ... ok
[INFO] [stdout] test tests::table_tests::table_end_to_end ... ok
[INFO] [stderr]    Doc-tests flat_db
[INFO] [stdout] test tests::file_table_tests::file_table_end_to_end ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "79ba7f7123df2f891569f0aaecb4e590c418add20fce113db1bacda7bf6ea402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ba7f7123df2f891569f0aaecb4e590c418add20fce113db1bacda7bf6ea402", kill_on_drop: false }`
[INFO] [stdout] 79ba7f7123df2f891569f0aaecb4e590c418add20fce113db1bacda7bf6ea402