[INFO] fetching crate spnr-lib 0.3.1...
[INFO] testing spnr-lib-0.3.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spnr-lib 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate spnr-lib 0.3.1
[INFO] finished tweaking crates.io crate spnr-lib 0.3.1
[INFO] tweaked toml for crates.io crate spnr-lib 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spnr-lib 0.3.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 125 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding ic-cdk v0.18.7 (available: v0.20.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 3565d8dc374ea1ecd3de995c9f43d8f85f422132a11713c3dc40b0105bf34b61
[INFO] running `Command { std: "docker" "start" "-a" "3565d8dc374ea1ecd3de995c9f43d8f85f422132a11713c3dc40b0105bf34b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3565d8dc374ea1ecd3de995c9f43d8f85f422132a11713c3dc40b0105bf34b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3565d8dc374ea1ecd3de995c9f43d8f85f422132a11713c3dc40b0105bf34b61", kill_on_drop: false }`
[INFO] [stdout] 3565d8dc374ea1ecd3de995c9f43d8f85f422132a11713c3dc40b0105bf34b61
[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] 0f7937481d107e98525ce15a09a3cb75df5c862d2d4e245e606e43c26dbac9b5
[INFO] running `Command { std: "docker" "start" "-a" "0f7937481d107e98525ce15a09a3cb75df5c862d2d4e245e606e43c26dbac9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling stacker v0.1.24
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling data-encoding v2.11.0
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling candid_derive v0.10.27
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling leb128 v0.2.6
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling ic-cdk-executor v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling ic0 v1.1.0
[INFO] [stderr]    Compiling pretty v0.12.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ic_principal v0.1.2
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling ic-error-types v0.2.0
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling ar_archive_writer v0.5.1
[INFO] [stderr]    Compiling psm v0.1.31
[INFO] [stderr]    Compiling candid v0.10.27
[INFO] [stderr]    Compiling ic-management-canister-types v0.3.3
[INFO] [stderr]    Compiling ic-cdk-macros v0.18.7
[INFO] [stderr]    Compiling ic-cdk v0.18.7
[INFO] [stderr]    Compiling spnr-lib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.56s
[INFO] running `Command { std: "docker" "inspect" "0f7937481d107e98525ce15a09a3cb75df5c862d2d4e245e606e43c26dbac9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7937481d107e98525ce15a09a3cb75df5c862d2d4e245e606e43c26dbac9b5", kill_on_drop: false }`
[INFO] [stdout] 0f7937481d107e98525ce15a09a3cb75df5c862d2d4e245e606e43c26dbac9b5
[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] 4484f9ad265050e709547eb9a972c38932a9a3196ca6679c57718c64ec346500
[INFO] running `Command { std: "docker" "start" "-a" "4484f9ad265050e709547eb9a972c38932a9a3196ca6679c57718c64ec346500", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.11.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling ic-cdk-macros v0.18.7
[INFO] [stderr]    Compiling ic-cdk v0.18.7
[INFO] [stderr]    Compiling spnr-lib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.20s
[INFO] running `Command { std: "docker" "inspect" "4484f9ad265050e709547eb9a972c38932a9a3196ca6679c57718c64ec346500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4484f9ad265050e709547eb9a972c38932a9a3196ca6679c57718c64ec346500", kill_on_drop: false }`
[INFO] [stdout] 4484f9ad265050e709547eb9a972c38932a9a3196ca6679c57718c64ec346500
[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] 075201e2a9af03a7d3bb4ab05f355baaf91d4d05296ead8532174d25ddaae9c6
[INFO] running `Command { std: "docker" "start" "-a" "075201e2a9af03a7d3bb4ab05f355baaf91d4d05296ead8532174d25ddaae9c6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spnr_lib-516c23f860d8088e)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test flat_tree::tests::test_parent_of ... ok
[INFO] [stdout] test flat_tree::tests::test_level_of ... ok
[INFO] [stdout] test flat_tree::tests::test_empty_tree ... ok
[INFO] [stdout] test flat_tree::tests::test_roots_of ... ok
[INFO] [stdout] test flat_tree::tests::test_tree_depth ... ok
[INFO] [stdout] test log::tests::test_log_int ... ok
[INFO] [stdout] test flat_tree::tests::test_at_level ... ok
[INFO] [stdout] test event_queue::test::basic ... ok
[INFO] [stdout] test flat_tree::tests::test_tree_of ... ok
[INFO] [stdout] test flat_tree::tests::test_tree ... ok
[INFO] [stdout] test log::tests::test_log_str ... ok
[INFO] [stdout] test flat_tree::tests::test_merkle_path ... ok
[INFO] [stdout] test flat_tree::tests::test_parent_of_out_of_bound - should panic ... ok
[INFO] [stdout] test flat_tree::tests::test_children_of ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spnr_lib
[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" "075201e2a9af03a7d3bb4ab05f355baaf91d4d05296ead8532174d25ddaae9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075201e2a9af03a7d3bb4ab05f355baaf91d4d05296ead8532174d25ddaae9c6", kill_on_drop: false }`
[INFO] [stdout] 075201e2a9af03a7d3bb4ab05f355baaf91d4d05296ead8532174d25ddaae9c6
