[INFO] crate unrar 0.4.4 is already in cache
[INFO] checking unrar-0.4.4 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate unrar 0.4.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unrar 0.4.4 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate unrar 0.4.4
[INFO] finished tweaking crates.io crate unrar 0.4.4
[INFO] tweaked toml for crates.io crate unrar 0.4.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate unrar 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] a6bca3d95270743a9438c965dfbdcb79feb2cf9aa1a050f0abb483cc08b81930
[INFO] running `"docker" "start" "-a" "a6bca3d95270743a9438c965dfbdcb79feb2cf9aa1a050f0abb483cc08b81930"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unrar_sys v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking num-bigint v0.1.39
[INFO] [stderr]     Checking num-complex v0.1.38
[INFO] [stderr]     Checking num-rational v0.1.38
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking unrar v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> tests/multipart.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.94s
[INFO] running `"docker" "inspect" "a6bca3d95270743a9438c965dfbdcb79feb2cf9aa1a050f0abb483cc08b81930"`
[INFO] running `"docker" "rm" "-f" "a6bca3d95270743a9438c965dfbdcb79feb2cf9aa1a050f0abb483cc08b81930"`
[INFO] [stdout] a6bca3d95270743a9438c965dfbdcb79feb2cf9aa1a050f0abb483cc08b81930