[INFO] cloning repository https://github.com/keithnoguchi/flatbuffers-pool
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fflatbuffers-pool'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09e205610698f7a84b760345d58ce6512823ce79
[INFO] checking keithnoguchi/flatbuffers-pool against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fflatbuffers-pool" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keithnoguchi/flatbuffers-pool on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/keithnoguchi/flatbuffers-pool already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52911cb9c8764bf1dff43298f0a9f6d3f150bf8dc9daca4aeca1e8c274954697
[INFO] running `"docker" "start" "-a" "52911cb9c8764bf1dff43298f0a9f6d3f150bf8dc9daca4aeca1e8c274954697"`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stderr]     Checking 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]     Checking crossbeam-queue v0.2.1
[INFO] [stderr] error: environment variable `OUT_DIR` not defined
[INFO] [stderr]   --> benches/pool_monster.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     include!(concat!(env!("OUT_DIR"), "/monster_generated.rs"));
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `my_game` in `monster`
[INFO] [stderr]   --> benches/pool_monster.rs:23:14
[INFO] [stderr]    |
[INFO] [stderr] 23 | use monster::my_game::sample::{Monster, MonsterArgs};
[INFO] [stderr]    |              ^^^^^^^ could not find `my_game` in `monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]   --> benches/pool_monster.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]   --> benches/pool_monster.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 |             ..MonsterArgs::default()
[INFO] [stderr]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]   --> benches/pool_monster.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]   --> benches/pool_monster.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |             ..MonsterArgs::default()
[INFO] [stderr]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]   --> benches/pool_monster.rs:64:23
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]   --> benches/pool_monster.rs:66:15
[INFO] [stderr]    |
[INFO] [stderr] 66 |             ..MonsterArgs::default()
[INFO] [stderr]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]   --> benches/pool_monster.rs:80:23
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]   --> benches/pool_monster.rs:82:15
[INFO] [stderr]    |
[INFO] [stderr] 82 |             ..MonsterArgs::default()
[INFO] [stderr]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]   --> benches/pool_monster.rs:96:23
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]   --> benches/pool_monster.rs:98:15
[INFO] [stderr]    |
[INFO] [stderr] 98 |             ..MonsterArgs::default()
[INFO] [stderr]    |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]    --> benches/pool_monster.rs:112:23
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]    --> benches/pool_monster.rs:114:15
[INFO] [stderr]     |
[INFO] [stderr] 114 |             ..MonsterArgs::default()
[INFO] [stderr]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]    --> benches/pool_monster.rs:130:23
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]    --> benches/pool_monster.rs:132:15
[INFO] [stderr]     |
[INFO] [stderr] 132 |             ..MonsterArgs::default()
[INFO] [stderr]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]    --> benches/pool_monster.rs:148:23
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]    --> benches/pool_monster.rs:150:15
[INFO] [stderr]     |
[INFO] [stderr] 150 |             ..MonsterArgs::default()
[INFO] [stderr]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]    --> benches/pool_monster.rs:166:23
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]    --> benches/pool_monster.rs:168:15
[INFO] [stderr]     |
[INFO] [stderr] 168 |             ..MonsterArgs::default()
[INFO] [stderr]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Monster`
[INFO] [stderr]    --> benches/pool_monster.rs:184:23
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                       ^^^^^^^ use of undeclared type or module `Monster`
[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] error[E0433]: failed to resolve: use of undeclared type or module `MonsterArgs`
[INFO] [stderr]    --> benches/pool_monster.rs:186:15
[INFO] [stderr]     |
[INFO] [stderr] 186 |             ..MonsterArgs::default()
[INFO] [stderr]     |               ^^^^^^^^^^^ use of undeclared type or module `MonsterArgs`
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]   --> benches/pool_monster.rs:34:48
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]   --> benches/pool_monster.rs:48:48
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]   --> benches/pool_monster.rs:64:48
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]   --> benches/pool_monster.rs:80:48
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]   --> benches/pool_monster.rs:96:48
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]    --> benches/pool_monster.rs:112:48
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]    --> benches/pool_monster.rs:130:48
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]    --> benches/pool_monster.rs:148:48
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]    --> benches/pool_monster.rs:166:48
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `MonsterArgs` in this scope
[INFO] [stderr]    --> benches/pool_monster.rs:184:48
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let monster = Monster::create(&mut b, &MonsterArgs {
[INFO] [stderr]     |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v1.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]    --> benches/pool/v1.rs:308:18
[INFO] [stderr]     |
[INFO] [stderr] 308 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v2.rs:185:14
[INFO] [stderr]     |
[INFO] [stderr] 185 |     for _ in { 0..init } {
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v2.rs:303:18
[INFO] [stderr]     |
[INFO] [stderr] 303 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v3.rs:189:14
[INFO] [stderr]     |
[INFO] [stderr] 189 |     for _ in { 0..init } {
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v3.rs:306:18
[INFO] [stderr]     |
[INFO] [stderr] 306 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v1.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]    --> benches/pool/v1.rs:308:18
[INFO] [stderr]     |
[INFO] [stderr] 308 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v2.rs:185:14
[INFO] [stderr]     |
[INFO] [stderr] 185 |     for _ in { 0..init } {
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v2.rs:303:18
[INFO] [stderr]     |
[INFO] [stderr] 303 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v3.rs:189:14
[INFO] [stderr]     |
[INFO] [stderr] 189 |     for _ in { 0..init } {
[INFO] [stderr]     |              ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> benches/pool/v3.rs:306:18
[INFO] [stderr]     |
[INFO] [stderr] 306 |         for _ in { 0..self.init } {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 32 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0422, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0422`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "52911cb9c8764bf1dff43298f0a9f6d3f150bf8dc9daca4aeca1e8c274954697"`
[INFO] running `"docker" "rm" "-f" "52911cb9c8764bf1dff43298f0a9f6d3f150bf8dc9daca4aeca1e8c274954697"`
[INFO] [stdout] 52911cb9c8764bf1dff43298f0a9f6d3f150bf8dc9daca4aeca1e8c274954697
