[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] checking keithnoguchi/flatbuffers-pool against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fflatbuffers-pool" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keithnoguchi/flatbuffers-pool on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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-12/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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd51947d94f76fc3bc2c0ee082a988ada8e549884f88be4221821c79bbf8f575
[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" "dd51947d94f76fc3bc2c0ee082a988ada8e549884f88be4221821c79bbf8f575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd51947d94f76fc3bc2c0ee082a988ada8e549884f88be4221821c79bbf8f575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd51947d94f76fc3bc2c0ee082a988ada8e549884f88be4221821c79bbf8f575", kill_on_drop: false }`
[INFO] [stdout] dd51947d94f76fc3bc2c0ee082a988ada8e549884f88be4221821c79bbf8f575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e739ec576000d190f9904ee785e56acd2d62f20f99c0406fce0cdfea8e02a8b
[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" "9e739ec576000d190f9904ee785e56acd2d62f20f99c0406fce0cdfea8e02a8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `OUT_DIR` not defined
[INFO] [stdout]   --> benches/pool_monster.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     include!(concat!(env!("OUT_DIR"), "/monster_generated.rs"));
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `my_game` in `monster`
[INFO] [stdout]   --> benches/pool_monster.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | use monster::my_game::sample::{Monster, MonsterArgs};
[INFO] [stdout]    |              ^^^^^^^ could not find `my_game` in `monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]   --> benches/pool_monster.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]   --> benches/pool_monster.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |             ..MonsterArgs::default()
[INFO] [stdout]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]   --> benches/pool_monster.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]   --> benches/pool_monster.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |             ..MonsterArgs::default()
[INFO] [stdout]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]   --> benches/pool_monster.rs:64:23
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]   --> benches/pool_monster.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |             ..MonsterArgs::default()
[INFO] [stdout]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]   --> benches/pool_monster.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]   --> benches/pool_monster.rs:82:15
[INFO] [stdout]    |
[INFO] [stdout] 82 |             ..MonsterArgs::default()
[INFO] [stdout]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]   --> benches/pool_monster.rs:96:23
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]   --> benches/pool_monster.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 |             ..MonsterArgs::default()
[INFO] [stdout]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]    --> benches/pool_monster.rs:112:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]    --> benches/pool_monster.rs:114:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |             ..MonsterArgs::default()
[INFO] [stdout]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]    --> benches/pool_monster.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]    --> benches/pool_monster.rs:132:15
[INFO] [stdout]     |
[INFO] [stdout] 132 |             ..MonsterArgs::default()
[INFO] [stdout]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]    --> benches/pool_monster.rs:148:23
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]    --> benches/pool_monster.rs:150:15
[INFO] [stdout]     |
[INFO] [stdout] 150 |             ..MonsterArgs::default()
[INFO] [stdout]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]    --> benches/pool_monster.rs:166:23
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]    --> benches/pool_monster.rs:168:15
[INFO] [stdout]     |
[INFO] [stdout] 168 |             ..MonsterArgs::default()
[INFO] [stdout]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stdout]    --> benches/pool_monster.rs:184:23
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stdout]    --> benches/pool_monster.rs:186:15
[INFO] [stdout]     |
[INFO] [stdout] 186 |             ..MonsterArgs::default()
[INFO] [stdout]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]   --> benches/pool_monster.rs:34:48
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]   --> benches/pool_monster.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]   --> benches/pool_monster.rs:64:48
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]   --> benches/pool_monster.rs:80:48
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]   --> benches/pool_monster.rs:96:48
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]    --> benches/pool_monster.rs:112:48
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]    --> benches/pool_monster.rs:130:48
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]    --> benches/pool_monster.rs:148:48
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]    --> benches/pool_monster.rs:166:48
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stdout]    --> benches/pool_monster.rs:184:48
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stdout]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/pool_monster.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v1.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]    --> benches/pool/v1.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: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v2.rs:185:14
[INFO] [stdout]     |
[INFO] [stdout] 185 |     for _ in { 0..init } {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v2.rs:303:18
[INFO] [stdout]     |
[INFO] [stdout] 303 |         for _ in { 0..self.init } {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v3.rs:189:14
[INFO] [stdout]     |
[INFO] [stdout] 189 |     for _ in { 0..init } {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v3.rs:306:18
[INFO] [stdout]     |
[INFO] [stdout] 306 |         for _ in { 0..self.init } {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> benches/pool_string.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v1.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]    --> benches/pool/v1.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: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v2.rs:185:14
[INFO] [stdout]     |
[INFO] [stdout] 185 |     for _ in { 0..init } {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v2.rs:303:18
[INFO] [stdout]     |
[INFO] [stdout] 303 |         for _ in { 0..self.init } {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v3.rs:189:14
[INFO] [stdout]     |
[INFO] [stdout] 189 |     for _ in { 0..init } {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> benches/pool/v3.rs:306:18
[INFO] [stdout]     |
[INFO] [stdout] 306 |         for _ in { 0..self.init } {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 33 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatbuffers-pool`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9e739ec576000d190f9904ee785e56acd2d62f20f99c0406fce0cdfea8e02a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e739ec576000d190f9904ee785e56acd2d62f20f99c0406fce0cdfea8e02a8b", kill_on_drop: false }`
[INFO] [stdout] 9e739ec576000d190f9904ee785e56acd2d62f20f99c0406fce0cdfea8e02a8b
