[INFO] fetching crate array_stump 0.2.1...
[INFO] testing array_stump-0.2.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate array_stump 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate array_stump 0.2.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1357608d369f1ebd53360ba0b9a7f425b70ad037baf3a9f9b4cccac5a84e9afd
[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" "1357608d369f1ebd53360ba0b9a7f425b70ad037baf3a9f9b4cccac5a84e9afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1357608d369f1ebd53360ba0b9a7f425b70ad037baf3a9f9b4cccac5a84e9afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1357608d369f1ebd53360ba0b9a7f425b70ad037baf3a9f9b4cccac5a84e9afd", kill_on_drop: false }`
[INFO] [stdout] 1357608d369f1ebd53360ba0b9a7f425b70ad037baf3a9f9b4cccac5a84e9afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0818e709f5b7cfc44ea786cc74710d0e9f1fc5ced7edca1df04d479fbc0477b1
[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" "0818e709f5b7cfc44ea786cc74710d0e9f1fc5ced7edca1df04d479fbc0477b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_stump v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "0818e709f5b7cfc44ea786cc74710d0e9f1fc5ced7edca1df04d479fbc0477b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0818e709f5b7cfc44ea786cc74710d0e9f1fc5ced7edca1df04d479fbc0477b1", kill_on_drop: false }`
[INFO] [stdout] 0818e709f5b7cfc44ea786cc74710d0e9f1fc5ced7edca1df04d479fbc0477b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b08a522a1a33cc7fdaf71db375676b37fc8613ad5cfc7792afdba0cada2e34c6
[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" "b08a522a1a33cc7fdaf71db375676b37fc8613ad5cfc7792afdba0cada2e34c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[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 3.97s
[INFO] running `Command { std: "docker" "inspect" "b08a522a1a33cc7fdaf71db375676b37fc8613ad5cfc7792afdba0cada2e34c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08a522a1a33cc7fdaf71db375676b37fc8613ad5cfc7792afdba0cada2e34c6", kill_on_drop: false }`
[INFO] [stdout] b08a522a1a33cc7fdaf71db375676b37fc8613ad5cfc7792afdba0cada2e34c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15f0ac086eba3f339d69f1a9d750a9f4ad4ba70f3e14afbe442916568d99ef12
[INFO] running `Command { std: "docker" "start" "-a" "15f0ac086eba3f339d69f1a9d750a9f4ad4ba70f3e14afbe442916568d99ef12", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/array_stump-a34aa39bb5d4cbd6)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity_favor_equal_splits ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity_multi_split ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity_smaller_blocks_are_kept ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_initial_push ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_collect ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_no_index_hiccup ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_prefers_push ... ok
[INFO] [stdout] test array_stump::test::test_binary_search_basic ... ok
[INFO] [stdout] test array_stump::test::test_binary_search_empty ... 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_next_index ... ok
[INFO] [stdout] test array_stump::test::test_prev_index ... ok
[INFO] [stdout] test array_stump::test::test_find ... ok
[INFO] [stdout] test array_stump::test::test_split ... ok
[INFO] [stdout] test array_stump::test::test_split_on_index_with_equality ... ok
[INFO] [stdout] test array_stump::test::test_remove ... ok
[INFO] [stdout] test array_stump::test::test_wiggle ... ok
[INFO] [stdout] test array_stump::test::test_statistics_and_debugging ... ok
[INFO] [stdout] test array_stump::test::test_failing ... 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 0.36s
[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 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15f0ac086eba3f339d69f1a9d750a9f4ad4ba70f3e14afbe442916568d99ef12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f0ac086eba3f339d69f1a9d750a9f4ad4ba70f3e14afbe442916568d99ef12", kill_on_drop: false }`
[INFO] [stdout] 15f0ac086eba3f339d69f1a9d750a9f4ad4ba70f3e14afbe442916568d99ef12