[INFO] fetching crate flatbuffers-pool 0.1.3...
[INFO] testing flatbuffers-pool-0.1.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate flatbuffers-pool 0.1.3 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate flatbuffers-pool 0.1.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b62e091927bad255a9b143338e99ef4a7042482d76f414f31a32d40fd01c71c
[INFO] running `Command { std: "docker" "start" "-a" "2b62e091927bad255a9b143338e99ef4a7042482d76f414f31a32d40fd01c71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b62e091927bad255a9b143338e99ef4a7042482d76f414f31a32d40fd01c71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b62e091927bad255a9b143338e99ef4a7042482d76f414f31a32d40fd01c71c", kill_on_drop: false }`
[INFO] [stdout] 2b62e091927bad255a9b143338e99ef4a7042482d76f414f31a32d40fd01c71c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0819f6915964385865a4ee68baca7f7d733d4e55482a6abc8b1ca57faea5ab79
[INFO] running `Command { std: "docker" "start" "-a" "0819f6915964385865a4ee68baca7f7d733d4e55482a6abc8b1ca57faea5ab79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling flatbuffers v0.6.1
[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]     |              ^^       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 190 -     for _ in { 0..init } {
[INFO] [stdout] 190 +     for _ in 0..init {
[INFO] [stdout]     | 
[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]     |                  ^^            ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 308 -         for _ in { 0..self.init } {
[INFO] [stdout] 308 +         for _ in 0..self.init {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "0819f6915964385865a4ee68baca7f7d733d4e55482a6abc8b1ca57faea5ab79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0819f6915964385865a4ee68baca7f7d733d4e55482a6abc8b1ca57faea5ab79", kill_on_drop: false }`
[INFO] [stdout] 0819f6915964385865a4ee68baca7f7d733d4e55482a6abc8b1ca57faea5ab79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f24c1cd3cc6ca624bca7923bb8a9b51bc786fa0099a45909484962f65c17480
[INFO] running `Command { std: "docker" "start" "-a" "4f24c1cd3cc6ca624bca7923bb8a9b51bc786fa0099a45909484962f65c17480", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[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]     |              ^^       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 190 -     for _ in { 0..init } {
[INFO] [stdout] 190 +     for _ in 0..init {
[INFO] [stdout]     | 
[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]     |                  ^^            ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 308 -         for _ in { 0..self.init } {
[INFO] [stdout] 308 +         for _ in 0..self.init {
[INFO] [stdout]     | 
[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]     |              ^^       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 190 -     for _ in { 0..init } {
[INFO] [stdout] 190 +     for _ in 0..init {
[INFO] [stdout]     | 
[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]     |                  ^^            ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 308 -         for _ in { 0..self.init } {
[INFO] [stdout] 308 +         for _ in 0..self.init {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/flatbuffers_pool-3502032ca7af18e0)
[INFO] running `Command { std: "docker" "inspect" "4f24c1cd3cc6ca624bca7923bb8a9b51bc786fa0099a45909484962f65c17480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f24c1cd3cc6ca624bca7923bb8a9b51bc786fa0099a45909484962f65c17480", kill_on_drop: false }`
[INFO] [stdout] 4f24c1cd3cc6ca624bca7923bb8a9b51bc786fa0099a45909484962f65c17480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 280d368318010bb94197845f911e1e77ee4fd936985b2480a74d561367b5ec4f
[INFO] running `Command { std: "docker" "start" "-a" "280d368318010bb94197845f911e1e77ee4fd936985b2480a74d561367b5ec4f", kill_on_drop: false }`
[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]     |              ^^       ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 190 -     for _ in { 0..init } {
[INFO] [stderr] 190 +     for _ in 0..init {
[INFO] [stderr]     | 
[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]     |                  ^^            ^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 308 -         for _ in { 0..self.init } {
[INFO] [stderr] 308 +         for _ in 0..self.init {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `flatbuffers-pool` (lib) generated 2 warnings
[INFO] [stderr] warning: `flatbuffers-pool` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flatbuffers_pool-3502032ca7af18e0)
[INFO] [stderr]    Doc-tests flatbuffers-pool
[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; finished in 0.00s
[INFO] [stdout] 
[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]     |              ^^       ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 190 -     for _ in { 0..init } {
[INFO] [stderr] 190 +     for _ in 0..init {
[INFO] [stderr]     | 
[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]     |                  ^^            ^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] 308 -         for _ in { 0..self.init } {
[INFO] [stderr] 308 +         for _ in 0..self.init {
[INFO] [stderr]     | 
[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::init_pool_size (line 221) ... 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::FlatBufferBuilderLocalPool (line 342) ... 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] 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 (line 16) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::buffer_capacity (line 275) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::get (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "280d368318010bb94197845f911e1e77ee4fd936985b2480a74d561367b5ec4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280d368318010bb94197845f911e1e77ee4fd936985b2480a74d561367b5ec4f", kill_on_drop: false }`
[INFO] [stdout] 280d368318010bb94197845f911e1e77ee4fd936985b2480a74d561367b5ec4f