[INFO] crate flatbuffers-pool 0.1.3 is already in cache
[INFO] testing flatbuffers-pool-0.1.3 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate flatbuffers-pool 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate flatbuffers-pool 0.1.3 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e828e446de6b6c4a0fb01b61c65e3e248513c6676b2dbfd328c9f69f68287878
[INFO] running `"docker" "start" "-a" "e828e446de6b6c4a0fb01b61c65e3e248513c6676b2dbfd328c9f69f68287878"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling flatbuffers v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling flatbuffers-pool v0.1.3 (/opt/rustwide/workdir)
[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 dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `"docker" "inspect" "e828e446de6b6c4a0fb01b61c65e3e248513c6676b2dbfd328c9f69f68287878"`
[INFO] running `"docker" "rm" "-f" "e828e446de6b6c4a0fb01b61c65e3e248513c6676b2dbfd328c9f69f68287878"`
[INFO] [stdout] e828e446de6b6c4a0fb01b61c65e3e248513c6676b2dbfd328c9f69f68287878
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 085f09300bcf8d684f468a34a91a751fcd3b285d4f78b35f92f07c1e0e22b8ca
[INFO] running `"docker" "start" "-a" "085f09300bcf8d684f468a34a91a751fcd3b285d4f78b35f92f07c1e0e22b8ca"`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[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]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling flatbuffers-pool v0.1.3 (/opt/rustwide/workdir)
[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 3.87s
[INFO] running `"docker" "inspect" "085f09300bcf8d684f468a34a91a751fcd3b285d4f78b35f92f07c1e0e22b8ca"`
[INFO] running `"docker" "rm" "-f" "085f09300bcf8d684f468a34a91a751fcd3b285d4f78b35f92f07c1e0e22b8ca"`
[INFO] [stdout] 085f09300bcf8d684f468a34a91a751fcd3b285d4f78b35f92f07c1e0e22b8ca
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca7ef463e0e811ef3f67a7227d425f6020405b935bbc43a1fed8c353c4cab3be
[INFO] running `"docker" "start" "-a" "ca7ef463e0e811ef3f67a7227d425f6020405b935bbc43a1fed8c353c4cab3be"`
[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 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flatbuffers_pool-e95ef67b44738018
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatbuffers-pool
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderLocalPool::get (line 367) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::build (line 296) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::get (line 43) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::buffer_capacity (line 275) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool (line 16) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderLocalPool (line 342) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::init_global_pool_size (line 66) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::global_buffer_capacity (line 116) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::init_pool_size (line 221) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::max_pool_size (line 248) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::max_global_pool_size (line 91) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::new (line 201) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ca7ef463e0e811ef3f67a7227d425f6020405b935bbc43a1fed8c353c4cab3be"`
[INFO] running `"docker" "rm" "-f" "ca7ef463e0e811ef3f67a7227d425f6020405b935bbc43a1fed8c353c4cab3be"`
[INFO] [stdout] ca7ef463e0e811ef3f67a7227d425f6020405b935bbc43a1fed8c353c4cab3be