[INFO] fetching crate rbuckets 0.1.0...
[INFO] testing rbuckets-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rbuckets 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rbuckets 0.1.0
[INFO] finished tweaking crates.io crate rbuckets 0.1.0
[INFO] tweaked toml for crates.io crate rbuckets 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbuckets 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rbuckets 0.1.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1187052901cf48868c627193689b45131d65947a0d70a45f66fc5c9ccb6c6046
[INFO] running `Command { std: "docker" "start" "-a" "1187052901cf48868c627193689b45131d65947a0d70a45f66fc5c9ccb6c6046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1187052901cf48868c627193689b45131d65947a0d70a45f66fc5c9ccb6c6046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1187052901cf48868c627193689b45131d65947a0d70a45f66fc5c9ccb6c6046", kill_on_drop: false }`
[INFO] [stdout] 1187052901cf48868c627193689b45131d65947a0d70a45f66fc5c9ccb6c6046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e62258a595673f83f1fa548f2313ad6b7a0f53d99737a537700b3dffc6ce2a
[INFO] running `Command { std: "docker" "start" "-a" "99e62258a595673f83f1fa548f2313ad6b7a0f53d99737a537700b3dffc6ce2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuckets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "99e62258a595673f83f1fa548f2313ad6b7a0f53d99737a537700b3dffc6ce2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e62258a595673f83f1fa548f2313ad6b7a0f53d99737a537700b3dffc6ce2a", kill_on_drop: false }`
[INFO] [stdout] 99e62258a595673f83f1fa548f2313ad6b7a0f53d99737a537700b3dffc6ce2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f33df4eb484cee61d6b9435b013feb75641709ad9d9eb4be2390ad5b722072a3
[INFO] running `Command { std: "docker" "start" "-a" "f33df4eb484cee61d6b9435b013feb75641709ad9d9eb4be2390ad5b722072a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbuckets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "f33df4eb484cee61d6b9435b013feb75641709ad9d9eb4be2390ad5b722072a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33df4eb484cee61d6b9435b013feb75641709ad9d9eb4be2390ad5b722072a3", kill_on_drop: false }`
[INFO] [stdout] f33df4eb484cee61d6b9435b013feb75641709ad9d9eb4be2390ad5b722072a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2dcb44478b0c07ab81f9ae9631a822cf10909d13b6bc35972beaa62da2f02ed5
[INFO] running `Command { std: "docker" "start" "-a" "2dcb44478b0c07ab81f9ae9631a822cf10909d13b6bc35972beaa62da2f02ed5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbuckets-a17a18d00f83b3f9)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::add_items_test ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::clear_history_test ... ok
[INFO] [stdout] test tests::clear_items_test ... ok
[INFO] [stdout] test tests::clone_test ... ok
[INFO] [stdout] test tests::iter_test ... ok
[INFO] [stdout] test tests::history_limit_guard_test ... ok
[INFO] [stdout] test tests::history_limit_test ... ok
[INFO] [stdout] test tests::items_limit_guard_test ... ok
[INFO] [stdout] test tests::items_limit_test ... ok
[INFO] [stdout] test tests::undo_test ... ok
[INFO] [stdout] test tests::threaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    Doc-tests rbuckets
[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" "2dcb44478b0c07ab81f9ae9631a822cf10909d13b6bc35972beaa62da2f02ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcb44478b0c07ab81f9ae9631a822cf10909d13b6bc35972beaa62da2f02ed5", kill_on_drop: false }`
[INFO] [stdout] 2dcb44478b0c07ab81f9ae9631a822cf10909d13b6bc35972beaa62da2f02ed5