[INFO] updating cached repository https://github.com/oblivia-simplex/roper2
[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] 51ef8db002c8200a92ab376411fbf6749ec63591
[INFO] checking oblivia-simplex/roper2 against nightly-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblivia-simplex%2Froper2" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oblivia-simplex/roper2 on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oblivia-simplex/roper2
[INFO] finished tweaking git repo https://github.com/oblivia-simplex/roper2
[INFO] tweaked toml for git repo https://github.com/oblivia-simplex/roper2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/oblivia-simplex/roper2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=allow" "-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" "+nightly-2019-10-27" "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] 5136a34824d70ae5ea3d62c58097dcde81a4a2e4ccce5a78ec73524526364088
[INFO] running `"docker" "start" "-a" "5136a34824d70ae5ea3d62c58097dcde81a4a2e4ccce5a78ec73524526364088"`
[INFO] [stderr]    Compiling capstone-sys v0.7.0
[INFO] [stderr]     Checking rand_core v0.1.0
[INFO] [stderr]    Compiling roper2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking evmap v4.0.0
[INFO] [stderr]     Checking rust-ini v0.11.0
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking goblin v0.0.14
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking rand v0.5.0-pre.1
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling os_type v0.6.0
[INFO] [stderr]    Compiling libunicorn-sys v0.8.0 (https://github.com/ekse/unicorn-rs#5767fb3f)
[INFO] [stderr]     Checking capstone v0.3.1
[INFO] [stderr]     Checking unicorn v0.8.0 (https://github.com/ekse/unicorn-rs#5767fb3f)
[INFO] [stderr] error[E0425]: cannot find function `thread_rng` in this scope
[INFO] [stderr]    --> src/emu/loader.rs:874:23
[INFO] [stderr]     |
[INFO] [stderr] 874 |         let mut rng = thread_rng();
[INFO] [stderr]     |                       ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 6   | use evo::crossover::rand::thread_rng;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `thread_rng` in this scope
[INFO] [stderr]    --> src/emu/loader.rs:893:23
[INFO] [stderr]     |
[INFO] [stderr] 893 |         let mut rng = thread_rng();
[INFO] [stderr]     |                       ^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 6   | use evo::crossover::rand::thread_rng;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `roper2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5136a34824d70ae5ea3d62c58097dcde81a4a2e4ccce5a78ec73524526364088"`
[INFO] running `"docker" "rm" "-f" "5136a34824d70ae5ea3d62c58097dcde81a4a2e4ccce5a78ec73524526364088"`
[INFO] [stdout] 5136a34824d70ae5ea3d62c58097dcde81a4a2e4ccce5a78ec73524526364088