[INFO] fetching crate array_stump 0.2.1...
[INFO] testing array_stump-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate array_stump 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate array_stump 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate array_stump 0.2.1
[INFO] finished tweaking crates.io crate array_stump 0.2.1
[INFO] tweaked toml for crates.io crate array_stump 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.17
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c2bb3d6010a1dec4faecf31ad435e4f30c9d63011a4b0901951ef50fe29c7ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c2bb3d6010a1dec4faecf31ad435e4f30c9d63011a4b0901951ef50fe29c7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c2bb3d6010a1dec4faecf31ad435e4f30c9d63011a4b0901951ef50fe29c7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2bb3d6010a1dec4faecf31ad435e4f30c9d63011a4b0901951ef50fe29c7ee", kill_on_drop: false }`
[INFO] [stdout] 4c2bb3d6010a1dec4faecf31ad435e4f30c9d63011a4b0901951ef50fe29c7ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb32090a7df3a94451fe0ab7b10b0a0e1d6e2a13ed3b0bf2b81e59920e6378f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb32090a7df3a94451fe0ab7b10b0a0e1d6e2a13ed3b0bf2b81e59920e6378f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_stump v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "eb32090a7df3a94451fe0ab7b10b0a0e1d6e2a13ed3b0bf2b81e59920e6378f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb32090a7df3a94451fe0ab7b10b0a0e1d6e2a13ed3b0bf2b81e59920e6378f7", kill_on_drop: false }`
[INFO] [stdout] eb32090a7df3a94451fe0ab7b10b0a0e1d6e2a13ed3b0bf2b81e59920e6378f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1055e0572955ad6ca93b11a31a3d89ae1ebc0c9fb5c2c50ce0dfebdfc171ed34
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1055e0572955ad6ca93b11a31a3d89ae1ebc0c9fb5c2c50ce0dfebdfc171ed34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling array_stump v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "1055e0572955ad6ca93b11a31a3d89ae1ebc0c9fb5c2c50ce0dfebdfc171ed34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1055e0572955ad6ca93b11a31a3d89ae1ebc0c9fb5c2c50ce0dfebdfc171ed34", kill_on_drop: false }`
[INFO] [stdout] 1055e0572955ad6ca93b11a31a3d89ae1ebc0c9fb5c2c50ce0dfebdfc171ed34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0cf921cb5488c92976b769efdaf63f01af46fe81275237050a4c12a2bc03a1e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0cf921cb5488c92976b769efdaf63f01af46fe81275237050a4c12a2bc03a1e7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/array_stump-ad646e518fe484f9
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity_favor_equal_splits ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity_smaller_blocks_are_kept ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity_multi_split ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_collect ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_initial_push ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_no_index_hiccup ... ok
[INFO] [stdout] test array_stump::test::test_binary_search_basic ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_prefers_push ... ok
[INFO] [stdout] test array_stump::test::test_binary_search_empty ... ok
[INFO] [stdout] test array_stump::test::test_find ... ok
[INFO] [stdout] test array_stump::test::test_split_on_index_with_equality ... ok
[INFO] [stdout] test array_stump::test::test_statistics_and_debugging ... ok
[INFO] [stdout] test array_stump::test::test_wiggle ... ok
[INFO] [stdout] test array_stump::test::test_prev_index ... ok
[INFO] [stdout] test array_stump::test::test_remove ... ok
[INFO] [stdout] test array_stump::test::test_next_index ... ok
[INFO] [stdout] test array_stump::test::test_failing ... ok
[INFO] [stdout] test array_stump::test::test_get_by_index ... ok
[INFO] [stdout] test array_stump::test::test_get_elements_per_block ... ok
[INFO] [stdout] test array_stump::test::test_min_max ... ok
[INFO] [stdout] test array_stump::test::test_split ... ok
[INFO] [stdout] test array_stump::test::test_binary_search_brute_force ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests array_stump
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cf921cb5488c92976b769efdaf63f01af46fe81275237050a4c12a2bc03a1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf921cb5488c92976b769efdaf63f01af46fe81275237050a4c12a2bc03a1e7", kill_on_drop: false }`
[INFO] [stdout] 0cf921cb5488c92976b769efdaf63f01af46fe81275237050a4c12a2bc03a1e7