[INFO] updating cached repository https://github.com/asylion/lite
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57ce89dd01039d1ab1c112cffb8d0f39f85bc612
[INFO] testing asylion/lite against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasylion%2Flite" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asylion/lite on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asylion/lite
[INFO] finished tweaking git repo https://github.com/asylion/lite
[INFO] tweaked toml for git repo https://github.com/asylion/lite written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/asylion/lite already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2398741ce4956198ac6abb80a30cb19d9c8658ecc92960e9388a57d6c74d6327
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2398741ce4956198ac6abb80a30cb19d9c8658ecc92960e9388a57d6c74d6327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2398741ce4956198ac6abb80a30cb19d9c8658ecc92960e9388a57d6c74d6327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2398741ce4956198ac6abb80a30cb19d9c8658ecc92960e9388a57d6c74d6327", kill_on_drop: false }`
[INFO] [stdout] 2398741ce4956198ac6abb80a30cb19d9c8658ecc92960e9388a57d6c74d6327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d7eef01fb4324a14b5a207a90763e1867ded33df7ebc2f9d54c7eab88b25db6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1d7eef01fb4324a14b5a207a90763e1867ded33df7ebc2f9d54c7eab88b25db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/interpreter.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         std::mem::replace(&mut self.env, outer_env);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "1d7eef01fb4324a14b5a207a90763e1867ded33df7ebc2f9d54c7eab88b25db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7eef01fb4324a14b5a207a90763e1867ded33df7ebc2f9d54c7eab88b25db6", kill_on_drop: false }`
[INFO] [stdout] 1d7eef01fb4324a14b5a207a90763e1867ded33df7ebc2f9d54c7eab88b25db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29bfb576f73e8377e2db53aaa6b3747927557e549e00a02d8dd5dc45f897998f
[INFO] running `Command { std: "docker" "start" "-a" "29bfb576f73e8377e2db53aaa6b3747927557e549e00a02d8dd5dc45f897998f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/interpreter.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         std::mem::replace(&mut self.env, outer_env);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "29bfb576f73e8377e2db53aaa6b3747927557e549e00a02d8dd5dc45f897998f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bfb576f73e8377e2db53aaa6b3747927557e549e00a02d8dd5dc45f897998f", kill_on_drop: false }`
[INFO] [stdout] 29bfb576f73e8377e2db53aaa6b3747927557e549e00a02d8dd5dc45f897998f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 620066af56bc37c376cbbe1e50b5525e542ade2b7655a63885016d9bcf43964a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "620066af56bc37c376cbbe1e50b5525e542ade2b7655a63885016d9bcf43964a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout] running 20 tests
[INFO] [stderr]    --> src/interpreter.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         std::mem::replace(&mut self.env, outer_env);
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lite-e27dd062b0f20385
[INFO] [stdout] test interpreter::tests::test_evaluate_boolean_unary_expr ... ok
[INFO] [stdout] test interpreter::tests::test_evaluate_numeric_binary_expr ... ok
[INFO] [stdout] test interpreter::tests::test_evaluate_var_decl ... ok
[INFO] [stdout] test interpreter::tests::test_evaluate_expr_stmt ... ok
[INFO] [stdout] test interpreter::tests::test_function ... ok
[INFO] [stdout] test interpreter::tests::test_scope ... ok
[INFO] [stdout] test interpreter::tests::test_evaluate_boolean_binary_expr ... ok
[INFO] [stdout] test parser::tests::test_parse_assign ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test interpreter::tests::test_if_stmt ... ok
[INFO] [stdout] test interpreter::tests::test_evaluate_numeric_unary_expr ... ok
[INFO] [stdout] test parser::tests::test_parse_function_call ... ok
[INFO] [stdout] test parser::tests::test_parse_function_decl ... ok
[INFO] [stdout] test parser::tests::test_parse_binary_expr ... ok
[INFO] [stdout] test interpreter::tests::test_while_stmt ... ok
[INFO] [stdout] test parser::tests::test_parse_unary_expr ... ok
[INFO] [stdout] test parser::tests::test_parse_var_decl ... ok
[INFO] [stdout] test parser::tests::test_parse_while_stmt ... ok
[INFO] [stdout] test parser::tests::test_parse_if_stmt ... ok
[INFO] [stdout] test parser::tests::test_parse_literal_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "620066af56bc37c376cbbe1e50b5525e542ade2b7655a63885016d9bcf43964a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620066af56bc37c376cbbe1e50b5525e542ade2b7655a63885016d9bcf43964a", kill_on_drop: false }`
[INFO] [stdout] 620066af56bc37c376cbbe1e50b5525e542ade2b7655a63885016d9bcf43964a