[INFO] fetching crate sync_splitter 0.4.1...
[INFO] testing sync_splitter-0.4.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate sync_splitter 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sync_splitter 0.4.1 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 sync_splitter 0.4.1
[INFO] finished tweaking crates.io crate sync_splitter 0.4.1
[INFO] tweaked toml for crates.io crate sync_splitter 0.4.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7e410d8335d146aed9acff95f28486cdc7b3a988af14a8782aa5a154a9476baf
[INFO] running `Command { std: "docker" "start" "-a" "7e410d8335d146aed9acff95f28486cdc7b3a988af14a8782aa5a154a9476baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e410d8335d146aed9acff95f28486cdc7b3a988af14a8782aa5a154a9476baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e410d8335d146aed9acff95f28486cdc7b3a988af14a8782aa5a154a9476baf", kill_on_drop: false }`
[INFO] [stdout] 7e410d8335d146aed9acff95f28486cdc7b3a988af14a8782aa5a154a9476baf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5c2c79ce6550d6e25ace2a346598d55725a0c324e921503ed9f87835b9d01267
[INFO] running `Command { std: "docker" "start" "-a" "5c2c79ce6550d6e25ace2a346598d55725a0c324e921503ed9f87835b9d01267", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync_splitter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 if self.next.compare_and_swap(
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5c2c79ce6550d6e25ace2a346598d55725a0c324e921503ed9f87835b9d01267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2c79ce6550d6e25ace2a346598d55725a0c324e921503ed9f87835b9d01267", kill_on_drop: false }`
[INFO] [stdout] 5c2c79ce6550d6e25ace2a346598d55725a0c324e921503ed9f87835b9d01267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 21a4b00976b6c69f7d0d5f43c258d7524221110fc7476923cc7251b5059e2bf7
[INFO] running `Command { std: "docker" "start" "-a" "21a4b00976b6c69f7d0d5f43c258d7524221110fc7476923cc7251b5059e2bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 if self.next.compare_and_swap(
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling sync_splitter v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 if self.next.compare_and_swap(
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.67s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21a4b00976b6c69f7d0d5f43c258d7524221110fc7476923cc7251b5059e2bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a4b00976b6c69f7d0d5f43c258d7524221110fc7476923cc7251b5059e2bf7", kill_on_drop: false }`
[INFO] [stdout] 21a4b00976b6c69f7d0d5f43c258d7524221110fc7476923cc7251b5059e2bf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 303fc8f54d563345e99ee69cda2346a2e2e9fc966177bb46826127443443315c
[INFO] running `Command { std: "docker" "start" "-a" "303fc8f54d563345e99ee69cda2346a2e2e9fc966177bb46826127443443315c", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:155:30
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 if self.next.compare_and_swap(
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sync_splitter` (lib) generated 1 warning
[INFO] [stderr] warning: `sync_splitter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sync_splitter-773138abf14e8e0c)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::isize_max_minus_one_then_pop_min_is_ok ... ok
[INFO] [stdout] test tests::works_when_popping_exact_slice_length ... ok
[INFO] [stdout] test tests::works_when_running_out_of_slice ... ok
[INFO] [stdout] test tests::reads_what_was_written ... ok
[INFO] [stdout] test tests::len_does_not_underflow ... ok
[INFO] [stdout] test tests::next_does_not_overflow ... ok
[INFO] [stdout] test tests::binary_tree_with_rayon_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sync_splitter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "303fc8f54d563345e99ee69cda2346a2e2e9fc966177bb46826127443443315c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303fc8f54d563345e99ee69cda2346a2e2e9fc966177bb46826127443443315c", kill_on_drop: false }`
[INFO] [stdout] 303fc8f54d563345e99ee69cda2346a2e2e9fc966177bb46826127443443315c