[INFO] updating cached repository https://github.com/TapioT/perf_msr_test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59854248d43b5c57b88e72a68e7bca452f77ba7d
[INFO] testing TapioT/perf_msr_test against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTapioT%2Fperf_msr_test" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TapioT/perf_msr_test on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TapioT/perf_msr_test
[INFO] finished tweaking git repo https://github.com/TapioT/perf_msr_test
[INFO] tweaked toml for git repo https://github.com/TapioT/perf_msr_test written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/TapioT/perf_msr_test already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 788f3aa4ca232a3fb73026526945b5bfc7e32701b347d9043c015bb1dc7f3e23
[INFO] running `"docker" "start" "-a" "788f3aa4ca232a3fb73026526945b5bfc7e32701b347d9043c015bb1dc7f3e23"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling perf_msr_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         asm!("rdtsc;" 
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         asm!("rdmsr;"
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         asm!("cpuid;"
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let seek_result = try!(f.seek(SeekFrom::Start(m)));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:85:22
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let bytes_read = try!(f.read(&mut bytes));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:78:68
[INFO] [stderr]    |
[INFO] [stderr] 78 |             panic!("Cannot open /dev/cpu/{}/msr. Error {}", cpu, e.description())
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `perf_msr_test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "788f3aa4ca232a3fb73026526945b5bfc7e32701b347d9043c015bb1dc7f3e23"`
[INFO] running `"docker" "rm" "-f" "788f3aa4ca232a3fb73026526945b5bfc7e32701b347d9043c015bb1dc7f3e23"`
[INFO] [stdout] 788f3aa4ca232a3fb73026526945b5bfc7e32701b347d9043c015bb1dc7f3e23