[INFO] updating cached repository https://github.com/JVAV-Lang/JvavScript
[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] 23a561a5681ee549db57637aa39acf43f45b177f
[INFO] testing JVAV-Lang/JvavScript against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJVAV-Lang%2FJvavScript" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JVAV-Lang/JvavScript 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/JVAV-Lang/JvavScript
[INFO] finished tweaking git repo https://github.com/JVAV-Lang/JvavScript
[INFO] tweaked toml for git repo https://github.com/JVAV-Lang/JvavScript written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/JVAV-Lang/JvavScript 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 34142fe115146f11242fe4e5d0f32fdf3e541632baa455eb9eb6fee3c3686c60
[INFO] running `"docker" "start" "-a" "34142fe115146f11242fe4e5d0f32fdf3e541632baa455eb9eb6fee3c3686c60"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling brainfuck v0.2.1
[INFO] [stderr]    Compiling JvavScript v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |             Ok(m) => {},
[INFO] [stderr]   |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `JvavScript` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `jvav_script`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.57s
[INFO] running `"docker" "inspect" "34142fe115146f11242fe4e5d0f32fdf3e541632baa455eb9eb6fee3c3686c60"`
[INFO] running `"docker" "rm" "-f" "34142fe115146f11242fe4e5d0f32fdf3e541632baa455eb9eb6fee3c3686c60"`
[INFO] [stdout] 34142fe115146f11242fe4e5d0f32fdf3e541632baa455eb9eb6fee3c3686c60
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 88bd839b2e3d2bc20a13afc2cc0b3bf81d3997ed7f1c9e28147a9fa4de99451d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "88bd839b2e3d2bc20a13afc2cc0b3bf81d3997ed7f1c9e28147a9fa4de99451d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling JvavScript v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |             Ok(m) => {},
[INFO] [stderr]   |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `JvavScript` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `jvav_script`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "88bd839b2e3d2bc20a13afc2cc0b3bf81d3997ed7f1c9e28147a9fa4de99451d"`
[INFO] running `"docker" "rm" "-f" "88bd839b2e3d2bc20a13afc2cc0b3bf81d3997ed7f1c9e28147a9fa4de99451d"`
[INFO] [stdout] 88bd839b2e3d2bc20a13afc2cc0b3bf81d3997ed7f1c9e28147a9fa4de99451d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] eab4ff2e38f84aa82f4c385f1c54decc52cf0ac212f7f5e1d016614dfd4e3cdd
[INFO] running `"docker" "start" "-a" "eab4ff2e38f84aa82f4c385f1c54decc52cf0ac212f7f5e1d016614dfd4e3cdd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] [stderr] warning: unused variable: `m`
[INFO] [stderr]  --> src/main.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |             Ok(m) => {},
[INFO] [stderr]   |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `JvavScript` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `jvav_script`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/JvavScript-57b4f7d1059a6660
[INFO] running `"docker" "inspect" "eab4ff2e38f84aa82f4c385f1c54decc52cf0ac212f7f5e1d016614dfd4e3cdd"`
[INFO] running `"docker" "rm" "-f" "eab4ff2e38f84aa82f4c385f1c54decc52cf0ac212f7f5e1d016614dfd4e3cdd"`
[INFO] [stdout] eab4ff2e38f84aa82f4c385f1c54decc52cf0ac212f7f5e1d016614dfd4e3cdd