[INFO] fetching crate libaster 1.2.1...
[INFO] checking libaster-1.2.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate libaster 1.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate libaster 1.2.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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 btoi v0.4.2
[INFO] [stderr]   Downloaded assert2-macros v0.1.0
[INFO] [stderr]   Downloaded assert2 v0.1.2
[INFO] [stderr]   Downloaded sysinfo v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52ee3d97dcadac69da7ad797b617577b9d1a865e7306bac3f106b6a0f8e6fff5
[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" "52ee3d97dcadac69da7ad797b617577b9d1a865e7306bac3f106b6a0f8e6fff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ee3d97dcadac69da7ad797b617577b9d1a865e7306bac3f106b6a0f8e6fff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ee3d97dcadac69da7ad797b617577b9d1a865e7306bac3f106b6a0f8e6fff5", kill_on_drop: false }`
[INFO] [stdout] 52ee3d97dcadac69da7ad797b617577b9d1a865e7306bac3f106b6a0f8e6fff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6aa0bb80ce4ccd8cccdf91559363b9cc7fe3cb5733a749d342948cdcd2e10ef
[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" "a6aa0bb80ce4ccd8cccdf91559363b9cc7fe3cb5733a749d342948cdcd2e10ef", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking fnv v1.0.7
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[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.116
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking crossbeam-queue v0.2.3
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling cast v0.2.3
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[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "a6aa0bb80ce4ccd8cccdf91559363b9cc7fe3cb5733a749d342948cdcd2e10ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6aa0bb80ce4ccd8cccdf91559363b9cc7fe3cb5733a749d342948cdcd2e10ef", kill_on_drop: false }`
[INFO] [stdout] a6aa0bb80ce4ccd8cccdf91559363b9cc7fe3cb5733a749d342948cdcd2e10ef