[INFO] updating cached repository https://github.com/StanislawTerziev/rust_exploration
[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] 6dfb28996775d20b38f492755cd56399b9948572
[INFO] testing StanislawTerziev/rust_exploration against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStanislawTerziev%2Frust_exploration" "/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/StanislawTerziev/rust_exploration on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/StanislawTerziev/rust_exploration
[INFO] finished tweaking git repo https://github.com/StanislawTerziev/rust_exploration
[INFO] tweaked toml for git repo https://github.com/StanislawTerziev/rust_exploration written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/StanislawTerziev/rust_exploration already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "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] e613c6e6d4a2c91da7c5fda2986fc93c6783f19f7ac846a6b57729674898b0f9
[INFO] running `"docker" "start" "-a" "e613c6e6d4a2c91da7c5fda2986fc93c6783f19f7ac846a6b57729674898b0f9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function `loopingWorker` should have a snake case name
[INFO] [stderr]   --> src/string_manipulation.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn loopingWorker(symbol_sequence: &String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `looping_worker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `"docker" "inspect" "e613c6e6d4a2c91da7c5fda2986fc93c6783f19f7ac846a6b57729674898b0f9"`
[INFO] running `"docker" "rm" "-f" "e613c6e6d4a2c91da7c5fda2986fc93c6783f19f7ac846a6b57729674898b0f9"`
[INFO] [stdout] e613c6e6d4a2c91da7c5fda2986fc93c6783f19f7ac846a6b57729674898b0f9
[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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec4627e61a8db234743d3f0f1df0756463e5bc35c05cf559faf8c253da0ad1bd
[INFO] running `"docker" "start" "-a" "ec4627e61a8db234743d3f0f1df0756463e5bc35c05cf559faf8c253da0ad1bd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function `loopingWorker` should have a snake case name
[INFO] [stderr]   --> src/string_manipulation.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn loopingWorker(symbol_sequence: &String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `looping_worker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "ec4627e61a8db234743d3f0f1df0756463e5bc35c05cf559faf8c253da0ad1bd"`
[INFO] running `"docker" "rm" "-f" "ec4627e61a8db234743d3f0f1df0756463e5bc35c05cf559faf8c253da0ad1bd"`
[INFO] [stdout] ec4627e61a8db234743d3f0f1df0756463e5bc35c05cf559faf8c253da0ad1bd
[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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bdd532042a6e5fd10741b5440a9574e4f382d5aa387225dbb918cf08842a41f7
[INFO] running `"docker" "start" "-a" "bdd532042a6e5fd10741b5440a9574e4f382d5aa387225dbb918cf08842a41f7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: function `loopingWorker` should have a snake case name
[INFO] [stderr]   --> src/string_manipulation.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn loopingWorker(symbol_sequence: &String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `looping_worker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guessing_game-7d3b88647f4eb4cd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bdd532042a6e5fd10741b5440a9574e4f382d5aa387225dbb918cf08842a41f7"`
[INFO] running `"docker" "rm" "-f" "bdd532042a6e5fd10741b5440a9574e4f382d5aa387225dbb918cf08842a41f7"`
[INFO] [stdout] bdd532042a6e5fd10741b5440a9574e4f382d5aa387225dbb918cf08842a41f7