[INFO] fetching crate array_stump 0.2.1...
[INFO] testing array_stump-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate array_stump 0.2.1 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate array_stump 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcd3865031b1a644decf1450cfb0051e5826cc39b790a69e85e5fa97cafd66d1
[INFO] running `Command { std: "docker" "start" "-a" "dcd3865031b1a644decf1450cfb0051e5826cc39b790a69e85e5fa97cafd66d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcd3865031b1a644decf1450cfb0051e5826cc39b790a69e85e5fa97cafd66d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd3865031b1a644decf1450cfb0051e5826cc39b790a69e85e5fa97cafd66d1", kill_on_drop: false }`
[INFO] [stdout] dcd3865031b1a644decf1450cfb0051e5826cc39b790a69e85e5fa97cafd66d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aa33a30dbeba1e2199fc219cd367b17fd5eaae234cfd9e93712025ebf9a93e4
[INFO] running `Command { std: "docker" "start" "-a" "6aa33a30dbeba1e2199fc219cd367b17fd5eaae234cfd9e93712025ebf9a93e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_stump v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "6aa33a30dbeba1e2199fc219cd367b17fd5eaae234cfd9e93712025ebf9a93e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa33a30dbeba1e2199fc219cd367b17fd5eaae234cfd9e93712025ebf9a93e4", kill_on_drop: false }`
[INFO] [stdout] 6aa33a30dbeba1e2199fc219cd367b17fd5eaae234cfd9e93712025ebf9a93e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b262ebd303593614b348044bb09f137c05d8fbab8f9f38209896aa233eac7aa
[INFO] running `Command { std: "docker" "start" "-a" "9b262ebd303593614b348044bb09f137c05d8fbab8f9f38209896aa233eac7aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[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 4.41s
[INFO] running `Command { std: "docker" "inspect" "9b262ebd303593614b348044bb09f137c05d8fbab8f9f38209896aa233eac7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b262ebd303593614b348044bb09f137c05d8fbab8f9f38209896aa233eac7aa", kill_on_drop: false }`
[INFO] [stdout] 9b262ebd303593614b348044bb09f137c05d8fbab8f9f38209896aa233eac7aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c2ec92e0d03a76d95e349b46841c2dbd1f690f5ed9b165bfa82da6804d11e3f
[INFO] running `Command { std: "docker" "start" "-a" "6c2ec92e0d03a76d95e349b46841c2dbd1f690f5ed9b165bfa82da6804d11e3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/array_stump-945b64f8f4a8c7d0)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[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_find ... ok
[INFO] [stdout] test array_stump::test::test_get_by_index ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_initial_push ... 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_prefers_push ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity_multi_split ... 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_remove ... 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_statistics_and_debugging ... ok
[INFO] [stdout] test array_stump::test::test_wiggle ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_no_index_hiccup ... ok
[INFO] [stdout] test array_stump::test::test_array_stump_collect ... ok
[INFO] [stdout] test array_stump::test::test_apply_reduced_capacity_favor_equal_splits ... ok
[INFO] [stdout] test array_stump::test::test_get_elements_per_block ... 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 0.57s
[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 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c2ec92e0d03a76d95e349b46841c2dbd1f690f5ed9b165bfa82da6804d11e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2ec92e0d03a76d95e349b46841c2dbd1f690f5ed9b165bfa82da6804d11e3f", kill_on_drop: false }`
[INFO] [stdout] 6c2ec92e0d03a76d95e349b46841c2dbd1f690f5ed9b165bfa82da6804d11e3f