[INFO] updating cached repository https://github.com/mareek/BrainRust
[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] 72b7793b92eecfc6b61fde6c090d006ab616777e
[INFO] testing mareek/BrainRust 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%2Fmareek%2FBrainRust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mareek/BrainRust 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/mareek/BrainRust
[INFO] finished tweaking git repo https://github.com/mareek/BrainRust
[INFO] tweaked toml for git repo https://github.com/mareek/BrainRust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mareek/BrainRust 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] running `Command { std: "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_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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3143519bf6289fd47e7a62f95423482c7f6fb397198bdb3113bf411cb171a8ee
[INFO] running `Command { std: "docker" "start" "-a" "3143519bf6289fd47e7a62f95423482c7f6fb397198bdb3113bf411cb171a8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3143519bf6289fd47e7a62f95423482c7f6fb397198bdb3113bf411cb171a8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3143519bf6289fd47e7a62f95423482c7f6fb397198bdb3113bf411cb171a8ee", kill_on_drop: false }`
[INFO] [stdout] 3143519bf6289fd47e7a62f95423482c7f6fb397198bdb3113bf411cb171a8ee
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9d19ea9701c843dbfdb353cf2c09bb10559b757e503c2b5212259f3bfa6aefa
[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" "d9d19ea9701c843dbfdb353cf2c09bb10559b757e503c2b5212259f3bfa6aefa", kill_on_drop: false }`
[INFO] [stderr]    Compiling brain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interpreter.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     blocks: Vec<Box<CodeBlock>>
[INFO] [stdout]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interpreter.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |     blocks: Vec<Box<CodeBlock>>,
[INFO] [stdout]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/interpreter.rs:101:71
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn get_code_block(instructions: &mut Chars, instruction: char) -> Box<CodeBlock> {
[INFO] [stdout]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_single_program`
[INFO] [stdout]  --> src/fuzzer.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn generate_single_program() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "d9d19ea9701c843dbfdb353cf2c09bb10559b757e503c2b5212259f3bfa6aefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d19ea9701c843dbfdb353cf2c09bb10559b757e503c2b5212259f3bfa6aefa", kill_on_drop: false }`
[INFO] [stdout] d9d19ea9701c843dbfdb353cf2c09bb10559b757e503c2b5212259f3bfa6aefa
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ede20e8ff13ac9bad430ec1da23a9e3adff49a2bb314f74dd3fcb42e4b3f9926
[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" "ede20e8ff13ac9bad430ec1da23a9e3adff49a2bb314f74dd3fcb42e4b3f9926", kill_on_drop: false }`
[INFO] [stderr]    Compiling brain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interpreter.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     blocks: Vec<Box<CodeBlock>>
[INFO] [stdout]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interpreter.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |     blocks: Vec<Box<CodeBlock>>,
[INFO] [stdout]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/interpreter.rs:101:71
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn get_code_block(instructions: &mut Chars, instruction: char) -> Box<CodeBlock> {
[INFO] [stdout]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_single_program`
[INFO] [stdout]  --> src/fuzzer.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn generate_single_program() -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "ede20e8ff13ac9bad430ec1da23a9e3adff49a2bb314f74dd3fcb42e4b3f9926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede20e8ff13ac9bad430ec1da23a9e3adff49a2bb314f74dd3fcb42e4b3f9926", kill_on_drop: false }`
[INFO] [stdout] ede20e8ff13ac9bad430ec1da23a9e3adff49a2bb314f74dd3fcb42e4b3f9926
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebc0731ef8932887f4fcd5971d4465c8a13df86c34b6ed5b407f6ec8d1bfd52b
[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" "ebc0731ef8932887f4fcd5971d4465c8a13df86c34b6ed5b407f6ec8d1bfd52b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     blocks: Vec<Box<CodeBlock>>
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |     blocks: Vec<Box<CodeBlock>>,
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/interpreter.rs:101:71
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn get_code_block(instructions: &mut Chars, instruction: char) -> Box<CodeBlock> {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_single_program`
[INFO] [stderr]  --> src/fuzzer.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn generate_single_program() -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brain_rust-d53c3e9c8c85f2b7
[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 `Command { std: "docker" "inspect" "ebc0731ef8932887f4fcd5971d4465c8a13df86c34b6ed5b407f6ec8d1bfd52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc0731ef8932887f4fcd5971d4465c8a13df86c34b6ed5b407f6ec8d1bfd52b", kill_on_drop: false }`
[INFO] [stdout] ebc0731ef8932887f4fcd5971d4465c8a13df86c34b6ed5b407f6ec8d1bfd52b