[INFO] crate mprober 0.10.11 is already in cache
[INFO] checking mprober-0.10.11 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate mprober 0.10.11 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mprober 0.10.11 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mprober 0.10.11
[INFO] finished tweaking crates.io crate mprober 0.10.11
[INFO] tweaked toml for crates.io crate mprober 0.10.11 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mprober 0.10.11 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 1a3bba57878dc3197c7d2b885f10ef31d672b27f423215d4fe7faec9820d6449
[INFO] running `"docker" "start" "-a" "1a3bba57878dc3197c7d2b885f10ef31d672b27f423215d4fe7faec9820d6449"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking debug-helper v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking byte-unit v3.0.3
[INFO] [stderr]     Checking benchmarking v0.4.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]     Checking rc-u8-reader v2.0.10
[INFO] [stderr]     Checking crc-any v2.3.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.3
[INFO] [stderr]    Compiling rocket v0.4.3
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking minifier v0.0.36
[INFO] [stderr]     Checking terminal_size v0.1.10
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking getch v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking cookie v0.11.2
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling pest_generator v2.1.2
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking html-minifier v1.2.0
[INFO] [stderr]     Checking scanner-rust v1.2.5
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]    Compiling rocket_http v0.4.3
[INFO] [stderr]     Checking rocket-etag-if-none-match v0.3.3
[INFO] [stderr]     Checking json-gettext v3.1.7
[INFO] [stderr]     Checking rocket-cache-response v0.5.1
[INFO] [stderr]     Checking validators v0.20.16
[INFO] [stderr]     Checking rocket-simple-authorization v0.9.5
[INFO] [stderr]     Checking rocket-include-static-resources v0.9.3
[INFO] [stderr]     Checking rocket-include-handlebars v0.12.10
[INFO] [stderr]     Checking rocket-json-response v0.5.10
[INFO] [stderr]     Checking mprober v0.10.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         { Mutex::new(Some(Instant::now())) };
[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 block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         { Mutex::new(Some(Instant::now())) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         { Mutex::new(Some(Instant::now())) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:41:53
[INFO] [stderr]    |
[INFO] [stderr] 41 |     static ref CPUS_STAT: Mutex<Option<Vec<f64>>> = { Mutex::new(None) };
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:42:69
[INFO] [stderr]    |
[INFO] [stderr] 42 |     static ref NETWORK_STAT: Mutex<Option<Vec<NetworkWithSpeed>>> = { Mutex::new(None) };
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:43:68
[INFO] [stderr]    |
[INFO] [stderr] 43 |     static ref VOLUMES_STAT: Mutex<Option<Vec<VolumeWithSpeed>>> = { Mutex::new(None) };
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:94:43
[INFO] [stderr]    |
[INFO] [stderr] 94 |     static ref COLOR_DEFAULT: ColorSpec = { ColorSpec::new() };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         { Mutex::new(Some(Instant::now())) };
[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 block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         { Mutex::new(Some(Instant::now())) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         { Mutex::new(Some(Instant::now())) };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:41:53
[INFO] [stderr]    |
[INFO] [stderr] 41 |     static ref CPUS_STAT: Mutex<Option<Vec<f64>>> = { Mutex::new(None) };
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:42:69
[INFO] [stderr]    |
[INFO] [stderr] 42 |     static ref NETWORK_STAT: Mutex<Option<Vec<NetworkWithSpeed>>> = { Mutex::new(None) };
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rocket_mounts/api/mod.rs:43:68
[INFO] [stderr]    |
[INFO] [stderr] 43 |     static ref VOLUMES_STAT: Mutex<Option<Vec<VolumeWithSpeed>>> = { Mutex::new(None) };
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:94:43
[INFO] [stderr]    |
[INFO] [stderr] 94 |     static ref COLOR_DEFAULT: ColorSpec = { ColorSpec::new() };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `"docker" "inspect" "1a3bba57878dc3197c7d2b885f10ef31d672b27f423215d4fe7faec9820d6449"`
[INFO] running `"docker" "rm" "-f" "1a3bba57878dc3197c7d2b885f10ef31d672b27f423215d4fe7faec9820d6449"`
[INFO] [stdout] 1a3bba57878dc3197c7d2b885f10ef31d672b27f423215d4fe7faec9820d6449
