[INFO] cloning repository https://github.com/keithnoguchi/flatbuffers-pool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keithnoguchi/flatbuffers-pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fflatbuffers-pool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fflatbuffers-pool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09e205610698f7a84b760345d58ce6512823ce79
[INFO] testing keithnoguchi/flatbuffers-pool against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fflatbuffers-pool" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keithnoguchi/flatbuffers-pool on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keithnoguchi/flatbuffers-pool
[INFO] finished tweaking git repo https://github.com/keithnoguchi/flatbuffers-pool
[INFO] tweaked toml for git repo https://github.com/keithnoguchi/flatbuffers-pool written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/keithnoguchi/flatbuffers-pool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea70959828e8191795249d6ea755e9dfb99d58fcac51b16f2b5cfe415e1f7206
[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" "ea70959828e8191795249d6ea755e9dfb99d58fcac51b16f2b5cfe415e1f7206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea70959828e8191795249d6ea755e9dfb99d58fcac51b16f2b5cfe415e1f7206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea70959828e8191795249d6ea755e9dfb99d58fcac51b16f2b5cfe415e1f7206", kill_on_drop: false }`
[INFO] [stdout] ea70959828e8191795249d6ea755e9dfb99d58fcac51b16f2b5cfe415e1f7206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a1348954540470cbf74c09806fa40620eeb3167efcbc0c353ff5145c6ba7a03
[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" "8a1348954540470cbf74c09806fa40620eeb3167efcbc0c353ff5145c6ba7a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling flatbuffers v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.10.0
[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 5.08s
[INFO] running `Command { std: "docker" "inspect" "8a1348954540470cbf74c09806fa40620eeb3167efcbc0c353ff5145c6ba7a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1348954540470cbf74c09806fa40620eeb3167efcbc0c353ff5145c6ba7a03", kill_on_drop: false }`
[INFO] [stdout] 8a1348954540470cbf74c09806fa40620eeb3167efcbc0c353ff5145c6ba7a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9655bb2eb36bd333b889cca5f8a414b909b099d3c155104d414572b78a79caf
[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" "a9655bb2eb36bd333b889cca5f8a414b909b099d3c155104d414572b78a79caf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[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 v0.2.1
[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 5.85s
[INFO] running `Command { std: "docker" "inspect" "a9655bb2eb36bd333b889cca5f8a414b909b099d3c155104d414572b78a79caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9655bb2eb36bd333b889cca5f8a414b909b099d3c155104d414572b78a79caf", kill_on_drop: false }`
[INFO] [stdout] a9655bb2eb36bd333b889cca5f8a414b909b099d3c155104d414572b78a79caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce02bf620a7d27d0210ff4248468bc11209185d08feab559428b54b164ee1e3f
[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" "ce02bf620a7d27d0210ff4248468bc11209185d08feab559428b54b164ee1e3f", 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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flatbuffers_pool-06151d74dc18e52b
[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]    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::new (line 201) ... 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::FlatBufferBuilderLocalPool::get (line 367) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool (line 16) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::init_pool_size (line 221) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::max_global_pool_size (line 91) ... 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::global_buffer_capacity (line 116) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::init_global_pool_size (line 66) ... ok
[INFO] [stdout] test src/pool.rs - pool::FlatBufferBuilderPool::buffer_capacity (line 275) ... 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" "ce02bf620a7d27d0210ff4248468bc11209185d08feab559428b54b164ee1e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce02bf620a7d27d0210ff4248468bc11209185d08feab559428b54b164ee1e3f", kill_on_drop: false }`
[INFO] [stdout] ce02bf620a7d27d0210ff4248468bc11209185d08feab559428b54b164ee1e3f