[INFO] updating cached repository https://github.com/iximeow/zvm
[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] e5b56542b3cbb196159c21c43b0742a768275588
[INFO] testing iximeow/zvm against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiximeow%2Fzvm" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iximeow/zvm 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/iximeow/zvm
[INFO] removed workspace from git repo https://github.com/iximeow/zvm
[INFO] finished tweaking git repo https://github.com/iximeow/zvm
[INFO] tweaked toml for git repo https://github.com/iximeow/zvm written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/iximeow/zvm 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5ba7f725478c288945c36cd2077d549c3d92e7a510204eb777d715f77e4ed5f9
[INFO] running `"docker" "start" "-a" "5ba7f725478c288945c36cd2077d549c3d92e7a510204eb777d715f77e4ed5f9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling zvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `enclosing_class`
[INFO] [stderr]   --> src/virtual_machine.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     enclosing_class: Rc<ClassFile>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `"docker" "inspect" "5ba7f725478c288945c36cd2077d549c3d92e7a510204eb777d715f77e4ed5f9"`
[INFO] running `"docker" "rm" "-f" "5ba7f725478c288945c36cd2077d549c3d92e7a510204eb777d715f77e4ed5f9"`
[INFO] [stdout] 5ba7f725478c288945c36cd2077d549c3d92e7a510204eb777d715f77e4ed5f9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c39cb202ee5bc8786b497574447ccd4a1206bcb46104d34cdef0e467b6606431
[INFO] running `"docker" "start" "-a" "c39cb202ee5bc8786b497574447ccd4a1206bcb46104d34cdef0e467b6606431"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: field is never read: `enclosing_class`
[INFO] [stderr]   --> src/virtual_machine.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     enclosing_class: Rc<ClassFile>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling zvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `enclosing_class`
[INFO] [stderr]   --> src/virtual_machine.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     enclosing_class: Rc<ClassFile>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "c39cb202ee5bc8786b497574447ccd4a1206bcb46104d34cdef0e467b6606431"`
[INFO] running `"docker" "rm" "-f" "c39cb202ee5bc8786b497574447ccd4a1206bcb46104d34cdef0e467b6606431"`
[INFO] [stdout] c39cb202ee5bc8786b497574447ccd4a1206bcb46104d34cdef0e467b6606431
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] af4302b2625280de513108b57e5f456f0ddbcac23252ac1fad16d70fc359b2a2
[INFO] running `"docker" "start" "-a" "af4302b2625280de513108b57e5f456f0ddbcac23252ac1fad16d70fc359b2a2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: field is never read: `enclosing_class`
[INFO] [stderr]   --> src/virtual_machine.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     enclosing_class: Rc<ClassFile>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `enclosing_class`
[INFO] [stderr]   --> src/virtual_machine.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     enclosing_class: Rc<ClassFile>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` 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/zvm-fbd08ed700e80e23
[INFO] [stderr]    Doc-tests zvm
[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] [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" "af4302b2625280de513108b57e5f456f0ddbcac23252ac1fad16d70fc359b2a2"`
[INFO] running `"docker" "rm" "-f" "af4302b2625280de513108b57e5f456f0ddbcac23252ac1fad16d70fc359b2a2"`
[INFO] [stdout] af4302b2625280de513108b57e5f456f0ddbcac23252ac1fad16d70fc359b2a2