[INFO] fetching crate procfs 0.7.9...
[INFO] checking procfs-0.7.9 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate procfs 0.7.9 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate procfs 0.7.9 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate procfs 0.7.9
[INFO] finished tweaking crates.io crate procfs 0.7.9
[INFO] tweaked toml for crates.io crate procfs 0.7.9 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate procfs 0.7.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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] d804316743c0ff0e1c0489d52e12ac88cd39971234f6ac991e198268c1646fe2
[INFO] running `Command { std: "docker" "start" "-a" "d804316743c0ff0e1c0489d52e12ac88cd39971234f6ac991e198268c1646fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d804316743c0ff0e1c0489d52e12ac88cd39971234f6ac991e198268c1646fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d804316743c0ff0e1c0489d52e12ac88cd39971234f6ac991e198268c1646fe2", kill_on_drop: false }`
[INFO] [stdout] d804316743c0ff0e1c0489d52e12ac88cd39971234f6ac991e198268c1646fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a5c1d36645efdc09263f0477e623b519dbe34ffc7a58a3e4878bfd68b5784aea
[INFO] running `Command { std: "docker" "start" "-a" "a5c1d36645efdc09263f0477e623b519dbe34ffc7a58a3e4878bfd68b5784aea", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking bitflags v1.2.0
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking libflate v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking procfs v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.87s
[INFO] running `Command { std: "docker" "inspect" "a5c1d36645efdc09263f0477e623b519dbe34ffc7a58a3e4878bfd68b5784aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c1d36645efdc09263f0477e623b519dbe34ffc7a58a3e4878bfd68b5784aea", kill_on_drop: false }`
[INFO] [stdout] a5c1d36645efdc09263f0477e623b519dbe34ffc7a58a3e4878bfd68b5784aea