[INFO] fetching crate flatbuffers-pool 0.1.3...
[INFO] testing flatbuffers-pool-0.1.3 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate flatbuffers-pool 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate flatbuffers-pool 0.1.3 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatbuffers-pool 0.1.3
[INFO] finished tweaking crates.io crate flatbuffers-pool 0.1.3
[INFO] tweaked toml for crates.io crate flatbuffers-pool 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8aad817f4676b39840214f4c82ff30830ae0205454d99af4c3387aecd8d6365
[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" "c8aad817f4676b39840214f4c82ff30830ae0205454d99af4c3387aecd8d6365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8aad817f4676b39840214f4c82ff30830ae0205454d99af4c3387aecd8d6365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8aad817f4676b39840214f4c82ff30830ae0205454d99af4c3387aecd8d6365", kill_on_drop: false }`
[INFO] [stdout] c8aad817f4676b39840214f4c82ff30830ae0205454d99af4c3387aecd8d6365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eaa45715ac27e537bb657d7eca8dcc6bdbd08abcf2a2e94237cf46c8f1c8335
[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" "7eaa45715ac27e537bb657d7eca8dcc6bdbd08abcf2a2e94237cf46c8f1c8335", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling flatbuffers v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling flatbuffers-pool v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/pool.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |     for _ in { 0..init } {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/pool.rs:308:18
[INFO] [stdout]     |
[INFO] [stdout] 308 |         for _ in { 0..self.init } {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "7eaa45715ac27e537bb657d7eca8dcc6bdbd08abcf2a2e94237cf46c8f1c8335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eaa45715ac27e537bb657d7eca8dcc6bdbd08abcf2a2e94237cf46c8f1c8335", kill_on_drop: false }`
[INFO] [stdout] 7eaa45715ac27e537bb657d7eca8dcc6bdbd08abcf2a2e94237cf46c8f1c8335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", 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] 4568744b7e68848af93b4d2262581c97286fe0061f4bbfd581fb4f787db6bb89
[INFO] running `Command { std: "docker" "start" "-a" "4568744b7e68848af93b4d2262581c97286fe0061f4bbfd581fb4f787db6bb89", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/pool.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |     for _ in { 0..init } {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/pool.rs:308:18
[INFO] [stdout]     |
[INFO] [stdout] 308 |         for _ in { 0..self.init } {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling flatbuffers-pool v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/pool.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |     for _ in { 0..init } {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/pool.rs:308:18
[INFO] [stdout]     |
[INFO] [stdout] 308 |         for _ in { 0..self.init } {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "4568744b7e68848af93b4d2262581c97286fe0061f4bbfd581fb4f787db6bb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4568744b7e68848af93b4d2262581c97286fe0061f4bbfd581fb4f787db6bb89", kill_on_drop: false }`
[INFO] [stdout] 4568744b7e68848af93b4d2262581c97286fe0061f4bbfd581fb4f787db6bb89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07180869d810596f34fda774b78bb8acc44f9b36a83c912067f85dfd193b39e8
[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" "07180869d810596f34fda774b78bb8acc44f9b36a83c912067f85dfd193b39e8", kill_on_drop: false }`
[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
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/pool.rs:190:14
[INFO] [stderr]     |
[INFO] [stderr] 190 |     for _ in { 0..init } {
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/pool.rs:308:18
[INFO] [stderr]     |
[INFO] [stderr] 308 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/pool.rs:190:14
[INFO] [stderr]     |
[INFO] [stderr] 190 |     for _ in { 0..init } {
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/pool.rs:308:18
[INFO] [stderr]     |
[INFO] [stderr] 308 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flatbuffers_pool-1800371a89a26b96
[INFO] [stderr]    Doc-tests flatbuffers-pool
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/pool.rs:190:14
[INFO] [stderr]     |
[INFO] [stderr] 190 |     for _ in { 0..init } {
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/pool.rs:308:18
[INFO] [stderr]     |
[INFO] [stderr] 308 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::max_pool_size (line 248) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::get (line 43) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderLocalPool (line 342) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::max_global_pool_size (line 91) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::init_pool_size (line 221) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::new (line 201) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::init_global_pool_size (line 66) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::build (line 296) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderLocalPool::get (line 367) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool (line 16) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::buffer_capacity (line 275) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::global_buffer_capacity (line 116) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07180869d810596f34fda774b78bb8acc44f9b36a83c912067f85dfd193b39e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07180869d810596f34fda774b78bb8acc44f9b36a83c912067f85dfd193b39e8", kill_on_drop: false }`
[INFO] [stdout] 07180869d810596f34fda774b78bb8acc44f9b36a83c912067f85dfd193b39e8