[INFO] fetching crate libaster 1.2.1...
[INFO] checking libaster-1.2.1 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate libaster 1.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libaster 1.2.1 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libaster 1.2.1
[INFO] finished tweaking crates.io crate libaster 1.2.1
[INFO] tweaked toml for crates.io crate libaster 1.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded actix-web-codegen v0.1.3
[INFO] [stderr]   Downloaded sysinfo v0.9.6
[INFO] [stderr]   Downloaded actix-router v0.1.5
[INFO] [stderr]   Downloaded inotify v0.8.3
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[INFO] [stderr]   Downloaded actix-testing v0.1.0
[INFO] [stderr]   Downloaded assert2 v0.1.2
[INFO] [stderr]   Downloaded assert2-macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ab3dc5be90302d4443a3537522e85711a03a53ecf27794f9fbb76b0a3a77965
[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" "8ab3dc5be90302d4443a3537522e85711a03a53ecf27794f9fbb76b0a3a77965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ab3dc5be90302d4443a3537522e85711a03a53ecf27794f9fbb76b0a3a77965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab3dc5be90302d4443a3537522e85711a03a53ecf27794f9fbb76b0a3a77965", kill_on_drop: false }`
[INFO] [stdout] 8ab3dc5be90302d4443a3537522e85711a03a53ecf27794f9fbb76b0a3a77965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fda5a9a93d7551fbea4ebca55b42de58183491fcfe6136dcf45a0d7c81f3d442
[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" "fda5a9a93d7551fbea4ebca55b42de58183491fcfe6136dcf45a0d7c81f3d442", kill_on_drop: false }`
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[INFO] [stderr]    Compiling failure_derive v0.1.8
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[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking unicode-width v0.1.8
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[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.4
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[INFO] [stderr]     Checking assert2 v0.1.2
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking libaster v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/protocol/redis/resp.rs:509:38
[INFO] [stdout]     |
[INFO] [stdout] 509 |     static ref FINDER: AhoCorasick = { AhoCorasick::new(PATTERNS) };
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/protocol/redis/resp.rs:509:38
[INFO] [stdout]     |
[INFO] [stdout] 509 |     static ref FINDER: AhoCorasick = { AhoCorasick::new(PATTERNS) };
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "fda5a9a93d7551fbea4ebca55b42de58183491fcfe6136dcf45a0d7c81f3d442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda5a9a93d7551fbea4ebca55b42de58183491fcfe6136dcf45a0d7c81f3d442", kill_on_drop: false }`
[INFO] [stdout] fda5a9a93d7551fbea4ebca55b42de58183491fcfe6136dcf45a0d7c81f3d442