[INFO] fetching crate prefer_db 0.3.4...
[INFO] testing prefer_db-0.3.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate prefer_db 0.3.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate prefer_db 0.3.4
[INFO] finished tweaking crates.io crate prefer_db 0.3.4
[INFO] tweaked toml for crates.io crate prefer_db 0.3.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefer_db 0.3.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prefer_db 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 529779a6a1c51188850b8e2d9840f73c0773ebbb2c57172865f78cd7b1c58169
[INFO] running `Command { std: "docker" "start" "-a" "529779a6a1c51188850b8e2d9840f73c0773ebbb2c57172865f78cd7b1c58169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "529779a6a1c51188850b8e2d9840f73c0773ebbb2c57172865f78cd7b1c58169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529779a6a1c51188850b8e2d9840f73c0773ebbb2c57172865f78cd7b1c58169", kill_on_drop: false }`
[INFO] [stdout] 529779a6a1c51188850b8e2d9840f73c0773ebbb2c57172865f78cd7b1c58169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93aaee2343e78eea04172d6fb3ad9da300d49336a984fbf494d1b1b81b78885f
[INFO] running `Command { std: "docker" "start" "-a" "93aaee2343e78eea04172d6fb3ad9da300d49336a984fbf494d1b1b81b78885f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling jzon v0.12.5
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling yaml-rust2 v0.8.1
[INFO] [stderr]    Compiling rust-ini v0.20.0
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling prefer v0.3.4
[INFO] [stderr]    Compiling prefer_db v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.04s
[INFO] running `Command { std: "docker" "inspect" "93aaee2343e78eea04172d6fb3ad9da300d49336a984fbf494d1b1b81b78885f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93aaee2343e78eea04172d6fb3ad9da300d49336a984fbf494d1b1b81b78885f", kill_on_drop: false }`
[INFO] [stdout] 93aaee2343e78eea04172d6fb3ad9da300d49336a984fbf494d1b1b81b78885f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ed1ef894bfd1ce310c53d941367c9e711257bad332365a3512bea33e499412e
[INFO] running `Command { std: "docker" "start" "-a" "5ed1ef894bfd1ce310c53d941367c9e711257bad332365a3512bea33e499412e", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefer_db v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "5ed1ef894bfd1ce310c53d941367c9e711257bad332365a3512bea33e499412e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed1ef894bfd1ce310c53d941367c9e711257bad332365a3512bea33e499412e", kill_on_drop: false }`
[INFO] [stdout] 5ed1ef894bfd1ce310c53d941367c9e711257bad332365a3512bea33e499412e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad5f211bf80730ccfbfda862a425b7f5fe76aa2465e59213406dc024dc25b8f7
[INFO] running `Command { std: "docker" "start" "-a" "ad5f211bf80730ccfbfda862a425b7f5fe76aa2465e59213406dc024dc25b8f7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefer_db-761897eb19c28c18)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_nested_json ... ok
[INFO] [stdout] test tests::test_load_yaml ... ok
[INFO] [stdout] test tests::test_load_toml ... ok
[INFO] [stdout] test tests::test_load_empty ... ok
[INFO] [stdout] test tests::test_load_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefer_db
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad5f211bf80730ccfbfda862a425b7f5fe76aa2465e59213406dc024dc25b8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5f211bf80730ccfbfda862a425b7f5fe76aa2465e59213406dc024dc25b8f7", kill_on_drop: false }`
[INFO] [stdout] ad5f211bf80730ccfbfda862a425b7f5fe76aa2465e59213406dc024dc25b8f7