[INFO] crate flatbuffers-pool 0.1.3 is already in cache
[INFO] testing flatbuffers-pool-0.1.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate flatbuffers-pool 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flatbuffers-pool 0.1.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] b3ba947635c00780a6ee6eaeea7babad7dee58dc4826b9630fbab1aaa06cc19a
[INFO] running `Command { std: "docker" "start" "-a" "b3ba947635c00780a6ee6eaeea7babad7dee58dc4826b9630fbab1aaa06cc19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ba947635c00780a6ee6eaeea7babad7dee58dc4826b9630fbab1aaa06cc19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ba947635c00780a6ee6eaeea7babad7dee58dc4826b9630fbab1aaa06cc19a", kill_on_drop: false }`
[INFO] [stdout] b3ba947635c00780a6ee6eaeea7babad7dee58dc4826b9630fbab1aaa06cc19a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc4fc42414831bdc8ecd007d6b2ea778a73607d3e741f81ec666d2e4e8f85d2
[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" "5bc4fc42414831bdc8ecd007d6b2ea778a73607d3e741f81ec666d2e4e8f85d2", kill_on_drop: false }`
[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 0.70s
[INFO] running `Command { std: "docker" "inspect" "5bc4fc42414831bdc8ecd007d6b2ea778a73607d3e741f81ec666d2e4e8f85d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc4fc42414831bdc8ecd007d6b2ea778a73607d3e741f81ec666d2e4e8f85d2", kill_on_drop: false }`
[INFO] [stdout] 5bc4fc42414831bdc8ecd007d6b2ea778a73607d3e741f81ec666d2e4e8f85d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] ea5faedc32316ba4e0983ae9d9a59171acf2c7f082196fbba5d9506c0b6c447f
[INFO] running `Command { std: "docker" "start" "-a" "ea5faedc32316ba4e0983ae9d9a59171acf2c7f082196fbba5d9506c0b6c447f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[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-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 3.93s
[INFO] running `Command { std: "docker" "inspect" "ea5faedc32316ba4e0983ae9d9a59171acf2c7f082196fbba5d9506c0b6c447f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5faedc32316ba4e0983ae9d9a59171acf2c7f082196fbba5d9506c0b6c447f", kill_on_drop: false }`
[INFO] [stdout] ea5faedc32316ba4e0983ae9d9a59171acf2c7f082196fbba5d9506c0b6c447f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78624dd23e9edfc4e1f28c602879136b26b690521ff5437a9d16addd274b798b
[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" "78624dd23e9edfc4e1f28c602879136b26b690521ff5437a9d16addd274b798b", 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]     |              ^^^^^^^^^^^ 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 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flatbuffers_pool-c872e3491751937e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatbuffers-pool
[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]    --> /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: 1 warning 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::build (line 296) ... 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::get (line 43) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::init_global_pool_size (line 66) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::new (line 201) ... 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::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::FlatBufferBuilderLocalPool::get (line 367) ... 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" "78624dd23e9edfc4e1f28c602879136b26b690521ff5437a9d16addd274b798b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78624dd23e9edfc4e1f28c602879136b26b690521ff5437a9d16addd274b798b", kill_on_drop: false }`
[INFO] [stdout] 78624dd23e9edfc4e1f28c602879136b26b690521ff5437a9d16addd274b798b