[INFO] fetching crate rbl_circular_buffer 0.1.2...
[INFO] testing rbl_circular_buffer-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rbl_circular_buffer 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rbl_circular_buffer 0.1.2
[INFO] finished tweaking crates.io crate rbl_circular_buffer 0.1.2
[INFO] tweaked toml for crates.io crate rbl_circular_buffer 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbl_circular_buffer 0.1.2 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 119 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.11.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 920ba6413ecf9e322e98904f7236616a3013a90418bc61dd39a096fed9137d20
[INFO] running `Command { std: "docker" "start" "-a" "920ba6413ecf9e322e98904f7236616a3013a90418bc61dd39a096fed9137d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "920ba6413ecf9e322e98904f7236616a3013a90418bc61dd39a096fed9137d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920ba6413ecf9e322e98904f7236616a3013a90418bc61dd39a096fed9137d20", kill_on_drop: false }`
[INFO] [stdout] 920ba6413ecf9e322e98904f7236616a3013a90418bc61dd39a096fed9137d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e3e36a68c1764d3009efbd8f5e1cdd9532a529b2a5a56a4747269743bbcea0d9
[INFO] running `Command { std: "docker" "start" "-a" "e3e36a68c1764d3009efbd8f5e1cdd9532a529b2a5a56a4747269743bbcea0d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbl_circular_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e3e36a68c1764d3009efbd8f5e1cdd9532a529b2a5a56a4747269743bbcea0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e36a68c1764d3009efbd8f5e1cdd9532a529b2a5a56a4747269743bbcea0d9", kill_on_drop: false }`
[INFO] [stdout] e3e36a68c1764d3009efbd8f5e1cdd9532a529b2a5a56a4747269743bbcea0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a147478f78f625117a8992a91cdbe3737d98e2119e7a733d4efe1f35edc16abb
[INFO] running `Command { std: "docker" "start" "-a" "a147478f78f625117a8992a91cdbe3737d98e2119e7a733d4efe1f35edc16abb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling rbl_circular_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 49.26s
[INFO] running `Command { std: "docker" "inspect" "a147478f78f625117a8992a91cdbe3737d98e2119e7a733d4efe1f35edc16abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a147478f78f625117a8992a91cdbe3737d98e2119e7a733d4efe1f35edc16abb", kill_on_drop: false }`
[INFO] [stdout] a147478f78f625117a8992a91cdbe3737d98e2119e7a733d4efe1f35edc16abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9bc9b855e2a74e7a7b9e59ea6a854dfd16ab44ddddc24cfda44d41bde0ed8c02
[INFO] running `Command { std: "docker" "start" "-a" "9bc9b855e2a74e7a7b9e59ea6a854dfd16ab44ddddc24cfda44d41bde0ed8c02", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbl_circular_buffer-789345145d3e893d)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::adding_to_size_one_works ... ok
[INFO] [stdout] test tests::empty_buffer_has_len_zero ... ok
[INFO] [stdout] test tests::copy_works_as_expected ... ok
[INFO] [stdout] test tests::insert_one_element_return_len_minus_one ... ok
[INFO] [stdout] test tests::insert_too_many_elements_will_return_zero_empty_spots ... ok
[INFO] [stdout] test tests::fast_fill_test1 ... ok
[INFO] [stdout] test tests::fast_fill_test2 ... ok
[INFO] [stdout] test tests::size_2_adding_to_size_2 ... ok
[INFO] [stdout] test tests::size_2_adding_3_remove_2_add_1_remove_0 ... ok
[INFO] [stdout] test tests::removing_more_element_than_capacity ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::try_to_fill_on_full_vector ... ok
[INFO] [stdout] test tests::insert_one_element_and_removing_it ... ok
[INFO] [stdout] test tests::the_len_of_the_buffer_is_always_between_0_and_the_max_requested ... ok
[INFO] [stdout] test tests::keep_track_of_values ... ok
[INFO] [stdout] test tests::keep_track_of_len ... ok
[INFO] [stdout] test tests::fast_fill_vs_fill ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbl_circular_buffer
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bc9b855e2a74e7a7b9e59ea6a854dfd16ab44ddddc24cfda44d41bde0ed8c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc9b855e2a74e7a7b9e59ea6a854dfd16ab44ddddc24cfda44d41bde0ed8c02", kill_on_drop: false }`
[INFO] [stdout] 9bc9b855e2a74e7a7b9e59ea6a854dfd16ab44ddddc24cfda44d41bde0ed8c02
