[INFO] cloning repository https://github.com/dobrakmato/rust-brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dobrakmato/rust-brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Frust-brainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Frust-brainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fa3572c26c888987b9519d610f3b59b9d5aefee
[INFO] testing dobrakmato/rust-brainfuck against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Frust-brainfuck" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dobrakmato/rust-brainfuck on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dobrakmato/rust-brainfuck
[INFO] finished tweaking git repo https://github.com/dobrakmato/rust-brainfuck
[INFO] tweaked toml for git repo https://github.com/dobrakmato/rust-brainfuck written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dobrakmato/rust-brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 2c889b7158d25304bed8ec09b6e56d547dcc54a2e27be08cb24588f1a3144d16
[INFO] running `Command { std: "docker" "start" "-a" "2c889b7158d25304bed8ec09b6e56d547dcc54a2e27be08cb24588f1a3144d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c889b7158d25304bed8ec09b6e56d547dcc54a2e27be08cb24588f1a3144d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c889b7158d25304bed8ec09b6e56d547dcc54a2e27be08cb24588f1a3144d16", kill_on_drop: false }`
[INFO] [stdout] 2c889b7158d25304bed8ec09b6e56d547dcc54a2e27be08cb24588f1a3144d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf7734ecd56e0cff32f0e589173033f1118792c13847d235c8cd3bd58223b621
[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" "bf7734ecd56e0cff32f0e589173033f1118792c13847d235c8cd3bd58223b621", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bfjit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `mul_unsigned`
[INFO] [stdout]    --> src/assembler.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn mul_unsigned(&mut self, reg: X64Register) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mov_to_mem_offset`
[INFO] [stdout]    --> src/assembler.rs:282:12
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn mov_to_mem_offset(&mut self, to_memory: X64Register, from_reg: X64Register, offset: i8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Noop`
[INFO] [stdout]   --> src/ir.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Noop(Link),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Brainfuck`, which is not FFI-safe
[INFO] [stdout]    --> src/compiler.rs:146:31
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub extern "C" fn execute(self) {
[INFO] [stdout]     |                               ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/compiler.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | / pub struct Brainfuck {
[INFO] [stdout] 127 | |     pub program: MmapMut,
[INFO] [stdout] 128 | |     pub length: usize,
[INFO] [stdout] 129 | |     memory: [u8; MAX_MEMORY],
[INFO] [stdout] 130 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.69s
[INFO] running `Command { std: "docker" "inspect" "bf7734ecd56e0cff32f0e589173033f1118792c13847d235c8cd3bd58223b621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7734ecd56e0cff32f0e589173033f1118792c13847d235c8cd3bd58223b621", kill_on_drop: false }`
[INFO] [stdout] bf7734ecd56e0cff32f0e589173033f1118792c13847d235c8cd3bd58223b621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3df6444fc86bfa2680aeeba3bc7f9bf7573710b83585cd367623f144f0eb15e
[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" "d3df6444fc86bfa2680aeeba3bc7f9bf7573710b83585cd367623f144f0eb15e", kill_on_drop: false }`
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling bfjit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `Brainfuck`, which is not FFI-safe
[INFO] [stdout]    --> src/compiler.rs:146:31
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub extern "C" fn execute(self) {
[INFO] [stdout]     |                               ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/compiler.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | / pub struct Brainfuck {
[INFO] [stdout] 127 | |     pub program: MmapMut,
[INFO] [stdout] 128 | |     pub length: usize,
[INFO] [stdout] 129 | |     memory: [u8; MAX_MEMORY],
[INFO] [stdout] 130 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "d3df6444fc86bfa2680aeeba3bc7f9bf7573710b83585cd367623f144f0eb15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3df6444fc86bfa2680aeeba3bc7f9bf7573710b83585cd367623f144f0eb15e", kill_on_drop: false }`
[INFO] [stdout] d3df6444fc86bfa2680aeeba3bc7f9bf7573710b83585cd367623f144f0eb15e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 498c6aece34e60eebd36a90782d713a81927c6a6a9e8f85f85fabc6b9e129577
[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" "498c6aece34e60eebd36a90782d713a81927c6a6a9e8f85f85fabc6b9e129577", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` fn uses type `Brainfuck`, which is not FFI-safe
[INFO] [stderr]    --> src/compiler.rs:146:31
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub extern "C" fn execute(self) {
[INFO] [stderr]     |                               ^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]     = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]    --> src/compiler.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | / pub struct Brainfuck {
[INFO] [stderr] 127 | |     pub program: MmapMut,
[INFO] [stderr] 128 | |     pub length: usize,
[INFO] [stderr] 129 | |     memory: [u8; MAX_MEMORY],
[INFO] [stderr] 130 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bfjit-1cd5141e3f7baa4a)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test assembler::test::mov_to_memory ... ok
[INFO] [stdout] test assembler::test::pop ... ok
[INFO] [stdout] test assembler::test::push ... ok
[INFO] [stdout] test assembler::test::mov_to_mem_offset ... ok
[INFO] [stdout] test assembler::test::mov_indirect ... ok
[INFO] [stdout] test assembler::test::jne ... ok
[INFO] [stdout] test assembler::test::ret ... ok
[INFO] [stdout] test brainfuck::test::check_supported_ops ... ok
[INFO] [stdout] test assembler::test::je ... ok
[INFO] [stdout] test brainfuck::test::find_matching_parentheses ... ok
[INFO] [stdout] test brainfuck::test::ignores_comments ... ok
[INFO] [stdout] test assembler::test::add_indirect ... ok
[INFO] [stdout] test assembler::test::add_to_mem_offset ... ok
[INFO] [stdout] test compiler::test::copy_multiplied ... ok
[INFO] [stdout] test compiler::test::does_not_crash ... ok
[INFO] [stdout] test interpreter::test::can_read_input ... ok
[INFO] [stdout] test assembler::test::cmp_indirect ... ok
[INFO] [stdout] test assembler::test::add ... ok
[INFO] [stdout] test assembler::test::call ... ok
[INFO] [stdout] test assembler::test::mov_to_reg ... ok
[INFO] [stdout] test assembler::test::mul_signed ... ok
[INFO] [stdout] test interpreter::test::decrement_memory ... ok
[INFO] [stdout] test ir::test::can_print_debug ... ok
[INFO] [stdout] test ir::test::len ... ok
[INFO] [stdout] test interpreter::test::loops_work ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_mixed_adds ... ok
[INFO] [stdout] test assembler::test::sub ... ok
[INFO] [stdout] test ir::test::optimizes_clear_loops ... ok
[INFO] [stdout] test ir::test::iter ... ok
[INFO] [stdout] test ir::test::multiplication_loop_negative_bug ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_adds ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_lefts_rights ... ok
[INFO] [stdout] test interpreter::test::move_ptr ... ok
[INFO] [stdout] test interpreter::test::increment_memory ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_mixed_lefts_rights ... ok
[INFO] [stdout] test ir::test::optimizes_adds_following_preceding_clear_loops ... ok
[INFO] [stdout] test assembler::test::mul_unsigned ... ok
[INFO] [stdout] test assembler::test::sub_indirect ... ok
[INFO] [stdout] test interpreter::test::can_write_output ... ok
[INFO] [stdout] test assembler::test::mov ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_subtractions ... ok
[INFO] [stdout] test ir::test::optimizes_multiplication_loops ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_sets ... ok
[INFO] [stdout] test ir::test::optimizes_tail_instructions ... ok
[INFO] [stdout] test compiler::test::can_run_pi_bf ... ok
[INFO] [stdout] test interpreter::test::can_run_pi_bf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "498c6aece34e60eebd36a90782d713a81927c6a6a9e8f85f85fabc6b9e129577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498c6aece34e60eebd36a90782d713a81927c6a6a9e8f85f85fabc6b9e129577", kill_on_drop: false }`
[INFO] [stdout] 498c6aece34e60eebd36a90782d713a81927c6a6a9e8f85f85fabc6b9e129577