[INFO] fetching crate sparse-mem 0.2.0...
[INFO] testing sparse-mem-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate sparse-mem 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sparse-mem 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sparse-mem 0.2.0
[INFO] tweaked toml for crates.io crate sparse-mem 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparse-mem 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sparse-mem 0.2.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5070d881484d143c14aaa6ae5f523f8632e96be135468c2b95c95f328f845166
[INFO] running `Command { std: "docker" "start" "-a" "5070d881484d143c14aaa6ae5f523f8632e96be135468c2b95c95f328f845166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5070d881484d143c14aaa6ae5f523f8632e96be135468c2b95c95f328f845166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5070d881484d143c14aaa6ae5f523f8632e96be135468c2b95c95f328f845166", kill_on_drop: false }`
[INFO] [stdout] 5070d881484d143c14aaa6ae5f523f8632e96be135468c2b95c95f328f845166
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b4fa4aefeb75552b31b167643daff264daa65ed8c8d1564eff56bfc2282961e
[INFO] running `Command { std: "docker" "start" "-a" "2b4fa4aefeb75552b31b167643daff264daa65ed8c8d1564eff56bfc2282961e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparse-mem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "2b4fa4aefeb75552b31b167643daff264daa65ed8c8d1564eff56bfc2282961e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4fa4aefeb75552b31b167643daff264daa65ed8c8d1564eff56bfc2282961e", kill_on_drop: false }`
[INFO] [stdout] 2b4fa4aefeb75552b31b167643daff264daa65ed8c8d1564eff56bfc2282961e
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a23d7870fb7d995d77c60aeaa122e83b1a2c9addeb39459f934a9ced5e70e1
[INFO] running `Command { std: "docker" "start" "-a" "a3a23d7870fb7d995d77c60aeaa122e83b1a2c9addeb39459f934a9ced5e70e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparse-mem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "a3a23d7870fb7d995d77c60aeaa122e83b1a2c9addeb39459f934a9ced5e70e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a23d7870fb7d995d77c60aeaa122e83b1a2c9addeb39459f934a9ced5e70e1", kill_on_drop: false }`
[INFO] [stdout] a3a23d7870fb7d995d77c60aeaa122e83b1a2c9addeb39459f934a9ced5e70e1
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 645abe91dd00792c01cac04e1086bfff446bd9fa3d4ce4628a3b5b392a254cdb
[INFO] running `Command { std: "docker" "start" "-a" "645abe91dd00792c01cac04e1086bfff446bd9fa3d4ce4628a3b5b392a254cdb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sparse_mem-8d3ff754c50cd1b8)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-6d11b1d6b33050fc)
[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] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_element_count_and_slot_to_id_loop ... ok
[INFO] [stdout] test test_capacity_boundaries ... ok
[INFO] [stdout] test test_generation_overflow_behavior ... ok
[INFO] [stdout] test test_generation_zero_is_invalid ... ok
[INFO] [stdout] test test_bounds_checking_issues ... ok
[INFO] [stdout] test test_invalid_operations ... ok
[INFO] [stdout] test test_iteration_consistency ... ok
[INFO] [stdout] test test_memory_corruption_detection ... ok
[INFO] [stdout] test test_stress_add_remove_patterns ... ok
[INFO] [stdout] test test_layout_size_and_alignment ... ok
[INFO] [stdout] test test_index_reuse_order ... ok
[INFO] [stdout] test test_init_allocate_remove ... ok
[INFO] [stdout] test test_insert_into_removed_slot_bug ... ok
[INFO] [stdout] test test_element_count_comprehensive ... ok
[INFO] [stderr]    Doc-tests sparse_mem
[INFO] [stdout] test test_frequent_add_remove_index_reuse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "645abe91dd00792c01cac04e1086bfff446bd9fa3d4ce4628a3b5b392a254cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645abe91dd00792c01cac04e1086bfff446bd9fa3d4ce4628a3b5b392a254cdb", kill_on_drop: false }`
[INFO] [stdout] 645abe91dd00792c01cac04e1086bfff446bd9fa3d4ce4628a3b5b392a254cdb