[INFO] crate inferno 0.9.5 is already in cache
[INFO] checking inferno-0.9.5 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate inferno 0.9.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate inferno 0.9.5 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate inferno 0.9.5
[INFO] finished tweaking crates.io crate inferno 0.9.5
[INFO] tweaked toml for crates.io crate inferno 0.9.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate inferno 0.9.5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 6e0d48bff907e10da7ef7b92b9d0b02581b016f14d434ac3e4edfde61ff479b3
[INFO] running `"docker" "start" "-a" "6e0d48bff907e10da7ef7b92b9d0b02581b016f14d434ac3e4edfde61ff479b3"`
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking testing_logger v0.1.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking dashmap v3.7.0
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking inferno v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/flamegraph/mod.rs:482:36
[INFO] [stderr]     |
[INFO] [stderr] 482 |     let mut cache_g = Event::Start({ BytesStart::owned_name("g") });
[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 function argument
[INFO] [stderr]    --> src/flamegraph/mod.rs:483:36
[INFO] [stderr]     |
[INFO] [stderr] 483 |     let mut cache_a = Event::Start({ BytesStart::owned_name("a") });
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking assert_cmd v0.12.0
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/flamegraph/mod.rs:482:36
[INFO] [stderr]     |
[INFO] [stderr] 482 |     let mut cache_g = Event::Start({ BytesStart::owned_name("g") });
[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 function argument
[INFO] [stderr]    --> src/flamegraph/mod.rs:483:36
[INFO] [stderr]     |
[INFO] [stderr] 483 |     let mut cache_a = Event::Start({ BytesStart::owned_name("a") });
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "6e0d48bff907e10da7ef7b92b9d0b02581b016f14d434ac3e4edfde61ff479b3"`
[INFO] running `"docker" "rm" "-f" "6e0d48bff907e10da7ef7b92b9d0b02581b016f14d434ac3e4edfde61ff479b3"`
[INFO] [stdout] 6e0d48bff907e10da7ef7b92b9d0b02581b016f14d434ac3e4edfde61ff479b3