[INFO] fetching crate systemstat 0.1.6...
[INFO] checking systemstat-0.1.6 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate systemstat 0.1.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate systemstat 0.1.6 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate systemstat 0.1.6
[INFO] finished tweaking crates.io crate systemstat 0.1.6
[INFO] tweaked toml for crates.io crate systemstat 0.1.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate systemstat 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded bitvec v0.19.4
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded nom v6.0.0
[INFO] [stderr]   Downloaded tap v1.0.0
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ea320dc401772d48eadc32280bf8066a153e784313645d1bbe60c09314b7fe5
[INFO] running `Command { std: "docker" "start" "-a" "8ea320dc401772d48eadc32280bf8066a153e784313645d1bbe60c09314b7fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea320dc401772d48eadc32280bf8066a153e784313645d1bbe60c09314b7fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea320dc401772d48eadc32280bf8066a153e784313645d1bbe60c09314b7fe5", kill_on_drop: false }`
[INFO] [stdout] 8ea320dc401772d48eadc32280bf8066a153e784313645d1bbe60c09314b7fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef2a047533d00a9e26f7309c4e8b5776ca1bdbf4f33039c04aff6b8c4929db86
[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" "ef2a047533d00a9e26f7309c4e8b5776ca1bdbf4f33039c04aff6b8c4929db86", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling nom v6.0.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking systemstat v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/platform/unix.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let ifa = unsafe { (*ifap) };
[INFO] [stdout]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/platform/unix.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let ifa = unsafe { (*ifap) };
[INFO] [stdout]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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 14.61s
[INFO] running `Command { std: "docker" "inspect" "ef2a047533d00a9e26f7309c4e8b5776ca1bdbf4f33039c04aff6b8c4929db86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2a047533d00a9e26f7309c4e8b5776ca1bdbf4f33039c04aff6b8c4929db86", kill_on_drop: false }`
[INFO] [stdout] ef2a047533d00a9e26f7309c4e8b5776ca1bdbf4f33039c04aff6b8c4929db86