[INFO] fetching crate libaster 1.2.1...
[INFO] checking libaster-1.2.1 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate libaster 1.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libaster 1.2.1 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] [stderr]   Downloaded prometheus v0.7.0
[INFO] [stderr]   Downloaded assert2-macros v0.1.0
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[INFO] [stderr]   Downloaded tokio-signal v0.2.9
[INFO] [stderr]   Downloaded btoi v0.4.2
[INFO] [stderr]   Downloaded assert2 v0.1.2
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6e8e32df984f26f01936d64640d112e6dbd9fd4e01bcd69a3dfb06e3a3ee1c2
[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" "f6e8e32df984f26f01936d64640d112e6dbd9fd4e01bcd69a3dfb06e3a3ee1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e8e32df984f26f01936d64640d112e6dbd9fd4e01bcd69a3dfb06e3a3ee1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e8e32df984f26f01936d64640d112e6dbd9fd4e01bcd69a3dfb06e3a3ee1c2", kill_on_drop: false }`
[INFO] [stdout] f6e8e32df984f26f01936d64640d112e6dbd9fd4e01bcd69a3dfb06e3a3ee1c2
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3777f14c6ac2720b52abf5189ae3cc55837ea5a29426b68cce12c8595ce65653
[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" "3777f14c6ac2720b52abf5189ae3cc55837ea5a29426b68cce12c8595ce65653", kill_on_drop: false }`
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[INFO] [stderr]    Compiling getrandom v0.1.15
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[INFO] [stderr]    Compiling serde_json v1.0.57
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[INFO] [stderr]    Compiling cast v0.2.3
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[INFO] [stderr]     Checking bstr v0.2.13
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[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking assert2 v0.1.2
[INFO] [stderr]     Checking failure v0.1.8
[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 31s
[INFO] running `Command { std: "docker" "inspect" "3777f14c6ac2720b52abf5189ae3cc55837ea5a29426b68cce12c8595ce65653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3777f14c6ac2720b52abf5189ae3cc55837ea5a29426b68cce12c8595ce65653", kill_on_drop: false }`
[INFO] [stdout] 3777f14c6ac2720b52abf5189ae3cc55837ea5a29426b68cce12c8595ce65653
