[INFO] updating cached repository https://github.com/spacedragon/rlox
[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] eebac6e303acaa764ec31c16239e530679a5ec7d
[INFO] testing spacedragon/rlox against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacedragon%2Frlox" "/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/spacedragon/rlox 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/spacedragon/rlox
[INFO] finished tweaking git repo https://github.com/spacedragon/rlox
[INFO] tweaked toml for git repo https://github.com/spacedragon/rlox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/spacedragon/rlox 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] fb99bc364e7cbeaf0e92ac5da886c4a79b599f191674b3d5ce3ab61a3ae2cfb0
[INFO] running `"docker" "start" "-a" "fb99bc364e7cbeaf0e92ac5da886c4a79b599f191674b3d5ce3ab61a3ae2cfb0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling strum v0.17.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling num_enum_derive v0.4.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling num_enum v0.4.2
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             std::mem::replace(&mut self.current_function, prev);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:311:17
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 mem::replace(&mut self.current_class, ClassType::SUBCLASS);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |             mem::replace(&mut self.current_class, class_type);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/bytecode/compiler.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         mem::replace(&mut self.previous, self.current.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/bytecode/compiler.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     mem::replace(&mut self.current, t);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.42s
[INFO] running `"docker" "inspect" "fb99bc364e7cbeaf0e92ac5da886c4a79b599f191674b3d5ce3ab61a3ae2cfb0"`
[INFO] running `"docker" "rm" "-f" "fb99bc364e7cbeaf0e92ac5da886c4a79b599f191674b3d5ce3ab61a3ae2cfb0"`
[INFO] [stdout] fb99bc364e7cbeaf0e92ac5da886c4a79b599f191674b3d5ce3ab61a3ae2cfb0
[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] de6510f8f57eb0561872e70e0d0cef11b264fccc149a82774d2458fe9a65f587
[INFO] running `"docker" "start" "-a" "de6510f8f57eb0561872e70e0d0cef11b264fccc149a82774d2458fe9a65f587"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             std::mem::replace(&mut self.current_function, prev);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:311:17
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 mem::replace(&mut self.current_class, ClassType::SUBCLASS);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |             mem::replace(&mut self.current_class, class_type);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/bytecode/compiler.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         mem::replace(&mut self.previous, self.current.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/bytecode/compiler.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     mem::replace(&mut self.current, t);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `"docker" "inspect" "de6510f8f57eb0561872e70e0d0cef11b264fccc149a82774d2458fe9a65f587"`
[INFO] running `"docker" "rm" "-f" "de6510f8f57eb0561872e70e0d0cef11b264fccc149a82774d2458fe9a65f587"`
[INFO] [stdout] de6510f8f57eb0561872e70e0d0cef11b264fccc149a82774d2458fe9a65f587
[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] 763004af6cd2f7beb90520737e065caf0255ce98250492822451658451a97118
[INFO] running `"docker" "start" "-a" "763004af6cd2f7beb90520737e065caf0255ce98250492822451658451a97118"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             std::mem::replace(&mut self.current_function, prev);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:311:17
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 mem::replace(&mut self.current_class, ClassType::SUBCLASS);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/resolver.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |             mem::replace(&mut self.current_class, class_type);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/bytecode/compiler.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         mem::replace(&mut self.previous, self.current.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/bytecode/compiler.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     mem::replace(&mut self.current, t);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-686f5725155e72c1
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test bytecode::test::test_function ... ok
[INFO] [stdout] test bytecode::scanner::test::test_token_code ... ok
[INFO] [stdout] test bytecode::test::test ... ok
[INFO] [stdout] test bytecode::test::test_expression ... ok
[INFO] [stdout] test bytecode::memory::test::test_allocate ... ok
[INFO] [stdout] test bytecode::memory::test::test_free ... ok
[INFO] [stdout] test bytecode::test::test_compile ... ok
[INFO] [stdout] test bytecode::test::test_str ... ok
[INFO] [stdout] test bytecode::scanner::test::test_number ... ok
[INFO] [stdout] test bytecode::scanner::test::test_string ... ok
[INFO] [stdout] test bytecode::test::test_local_var ... ok
[INFO] [stdout] test ast_printer::test::test_string ... ok
[INFO] [stdout] test ast_printer::test::test_printer ... ok
[INFO] [stdout] test bytecode::test::test_global_var ... ok
[INFO] [stdout] test bytecode::test::test_closure ... ok
[INFO] [stdout] test interpreter::test::test_stmts ... ok
[INFO] [stdout] test bytecode::test::test_loop ... ok
[INFO] [stdout] test interpreter::test::test_if ... ok
[INFO] [stdout] test interpreter::test::test_compare ... ok
[INFO] [stdout] test interpreter::test::test_native ... ok
[INFO] [stdout] test scanner::test::test_comment ... ok
[INFO] [stdout] test interpreter::test::test_class ... ok
[INFO] [stdout] test interpreter::test::test_string_plus ... ok
[INFO] [stdout] test scanner::test::test_id_and_keyword ... ok
[INFO] [stdout] test interpreter::test::test_vars ... ok
[INFO] [stdout] test scanner::test::test_2_tokens ... ok
[INFO] [stdout] test interpreter::test::test_scope ... ok
[INFO] [stdout] test interpreter::test::test_expr ... ok
[INFO] [stdout] test interpreter::test::test_while ... ok
[INFO] [stdout] test scanner::test::test_single_token ... ok
[INFO] [stdout] test interpreter::test::test_super ... ok
[INFO] [stdout] test parser::test::test_expr ... ok
[INFO] [stdout] test scanner::test::test_number ... ok
[INFO] [stdout] test scanner::test::test_string ... ok
[INFO] [stdout] test resolver::test::test_resolver ... ok
[INFO] [stdout] test bytecode::test::test_native ... ok
[INFO] [stdout] test scanner::test::test_bad_string ... ok
[INFO] [stdout] test interpreter::test::test_func ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "763004af6cd2f7beb90520737e065caf0255ce98250492822451658451a97118"`
[INFO] running `"docker" "rm" "-f" "763004af6cd2f7beb90520737e065caf0255ce98250492822451658451a97118"`
[INFO] [stdout] 763004af6cd2f7beb90520737e065caf0255ce98250492822451658451a97118