[INFO] fetching crate flatbuffers-pool 0.1.3...
[INFO] checking flatbuffers-pool-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate flatbuffers-pool 0.1.3 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatbuffers-pool 0.1.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (available: v0.3.12)
[INFO] [stderr]       Adding flatbuffers v0.6.1 (available: v25.2.10)
[INFO] [stderr]       Adding parking_lot v0.10.2 (available: v0.12.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d3a6b8b2cf09694d217400b8e55415afb1c8f9ff10dc7b31c57de3557d93de6
[INFO] running `Command { std: "docker" "start" "-a" "3d3a6b8b2cf09694d217400b8e55415afb1c8f9ff10dc7b31c57de3557d93de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d3a6b8b2cf09694d217400b8e55415afb1c8f9ff10dc7b31c57de3557d93de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3a6b8b2cf09694d217400b8e55415afb1c8f9ff10dc7b31c57de3557d93de6", kill_on_drop: false }`
[INFO] [stdout] 3d3a6b8b2cf09694d217400b8e55415afb1c8f9ff10dc7b31c57de3557d93de6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2554fe50784dd0bf730b15ce6e17931b840ae24670a79b968f91818c807bd2f5
[INFO] running `Command { std: "docker" "start" "-a" "2554fe50784dd0bf730b15ce6e17931b840ae24670a79b968f91818c807bd2f5", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[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]     |              ^^       ^^
[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] [stderr]     Checking crossbeam-queue v0.2.3
[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: 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]     |              ^^       ^^
[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]    --> benches/pool/v1.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: 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]     |              ^^       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 185 -     for _ in { 0..init } {
[INFO] [stdout] 185 +     for _ in 0..init {
[INFO] [stdout]     |
[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]     |                  ^^            ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 303 -         for _ in { 0..self.init } {
[INFO] [stdout] 303 +         for _ in 0..self.init {
[INFO] [stdout]     |
[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]     |              ^^       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 189 -     for _ in { 0..init } {
[INFO] [stdout] 189 +     for _ in 0..init {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `OUT_DIR` not defined at compile time
[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]    = help: Cargo sets build script variables at run time. Use `std::env::var("OUT_DIR")` instead
[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]     |                  ^^            ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 306 -         for _ in { 0..self.init } {
[INFO] [stdout] 306 +         for _ in 0..self.init {
[INFO] [stdout]     |
[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] 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]     |              ^^       ^^
[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]    --> benches/pool/v1.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: 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]     |              ^^       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 185 -     for _ in { 0..init } {
[INFO] [stdout] 185 +     for _ in 0..init {
[INFO] [stdout]     |
[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]     |                  ^^            ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 303 -         for _ in { 0..self.init } {
[INFO] [stdout] 303 +         for _ in 0..self.init {
[INFO] [stdout]     |
[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]     |              ^^       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 189 -     for _ in { 0..init } {
[INFO] [stdout] 189 +     for _ in 0..init {
[INFO] [stdout]     |
[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]     |                  ^^            ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 306 -         for _ in { 0..self.init } {
[INFO] [stdout] 306 +         for _ in 0..self.init {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatbuffers-pool` (bench "pool_monster") due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2554fe50784dd0bf730b15ce6e17931b840ae24670a79b968f91818c807bd2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2554fe50784dd0bf730b15ce6e17931b840ae24670a79b968f91818c807bd2f5", kill_on_drop: false }`
[INFO] [stdout] 2554fe50784dd0bf730b15ce6e17931b840ae24670a79b968f91818c807bd2f5