[INFO] fetching crate psutil 3.1.0...
[INFO] checking psutil-3.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate psutil 3.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate psutil 3.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate psutil 3.1.0
[INFO] finished tweaking crates.io crate psutil 3.1.0
[INFO] tweaked toml for crates.io crate psutil 3.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate psutil 3.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.99.2
[INFO] [stderr]   Downloaded signal v0.7.0
[INFO] [stderr]   Downloaded darwin-libproc v0.1.1
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69de1a7de343672bbe51aba1523100c619dcaf85fc4e07faa30f9d043a424eb8
[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" "69de1a7de343672bbe51aba1523100c619dcaf85fc4e07faa30f9d043a424eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69de1a7de343672bbe51aba1523100c619dcaf85fc4e07faa30f9d043a424eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69de1a7de343672bbe51aba1523100c619dcaf85fc4e07faa30f9d043a424eb8", kill_on_drop: false }`
[INFO] [stdout] 69de1a7de343672bbe51aba1523100c619dcaf85fc4e07faa30f9d043a424eb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b2e9304f8404ffc517a3e4f0f3bffe900e3241c101758601b8b94f6b99e8de
[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" "27b2e9304f8404ffc517a3e4f0f3bffe900e3241c101758601b8b94f6b99e8de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling snafu-derive v0.6.2
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]     Checking snafu v0.6.2
[INFO] [stderr]     Checking psutil v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/process/process.rs:220:6
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     mem::replace(self, p);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/process/process.rs:220:6
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     mem::replace(self, p);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.02s
[INFO] running `Command { std: "docker" "inspect" "27b2e9304f8404ffc517a3e4f0f3bffe900e3241c101758601b8b94f6b99e8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b2e9304f8404ffc517a3e4f0f3bffe900e3241c101758601b8b94f6b99e8de", kill_on_drop: false }`
[INFO] [stdout] 27b2e9304f8404ffc517a3e4f0f3bffe900e3241c101758601b8b94f6b99e8de