[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 master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Frust-brainfuck" "/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/dobrakmato/rust-brainfuck on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-2/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32c959e5221d65aff983b2d854f2fae9136a09bdd24173467a9272eda6890915
[INFO] running `Command { std: "docker" "start" "-a" "32c959e5221d65aff983b2d854f2fae9136a09bdd24173467a9272eda6890915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32c959e5221d65aff983b2d854f2fae9136a09bdd24173467a9272eda6890915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c959e5221d65aff983b2d854f2fae9136a09bdd24173467a9272eda6890915", kill_on_drop: false }`
[INFO] [stdout] 32c959e5221d65aff983b2d854f2fae9136a09bdd24173467a9272eda6890915
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 566cddd7841f7484f07ba9bc083d71e1b7072ff36b635b5040e516d61de1d875
[INFO] running `Command { std: "docker" "start" "-a" "566cddd7841f7484f07ba9bc083d71e1b7072ff36b635b5040e516d61de1d875", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memmap v0.7.0
[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 10.48s
[INFO] running `Command { std: "docker" "inspect" "566cddd7841f7484f07ba9bc083d71e1b7072ff36b635b5040e516d61de1d875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566cddd7841f7484f07ba9bc083d71e1b7072ff36b635b5040e516d61de1d875", kill_on_drop: false }`
[INFO] [stdout] 566cddd7841f7484f07ba9bc083d71e1b7072ff36b635b5040e516d61de1d875
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a87d8826fad0e640f8faef0f084cf113fc74c3e0f746c3ad999251f768e1089b
[INFO] running `Command { std: "docker" "start" "-a" "a87d8826fad0e640f8faef0f084cf113fc74c3e0f746c3ad999251f768e1089b", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a87d8826fad0e640f8faef0f084cf113fc74c3e0f746c3ad999251f768e1089b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87d8826fad0e640f8faef0f084cf113fc74c3e0f746c3ad999251f768e1089b", kill_on_drop: false }`
[INFO] [stdout] a87d8826fad0e640f8faef0f084cf113fc74c3e0f746c3ad999251f768e1089b
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ea0df3e3ac3b90feb7458cf947702e4ed91a92b95ae1806c6147782cbb1dc72
[INFO] running `Command { std: "docker" "start" "-a" "8ea0df3e3ac3b90feb7458cf947702e4ed91a92b95ae1806c6147782cbb1dc72", 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] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bfjit-849a74b820187a35)
[INFO] [stdout] running 46 tests
[INFO] [stdout] test assembler::test::add ... ok
[INFO] [stdout] test assembler::test::add_to_mem_offset ... ok
[INFO] [stdout] test assembler::test::mov_to_reg ... ok
[INFO] [stdout] test assembler::test::pop ... ok
[INFO] [stdout] test assembler::test::mov_indirect ... ok
[INFO] [stdout] test assembler::test::jne ... ok
[INFO] [stdout] test assembler::test::mov_to_memory ... ok
[INFO] [stdout] test assembler::test::mul_unsigned ... ok
[INFO] [stdout] test assembler::test::sub ... ok
[INFO] [stdout] test brainfuck::test::check_supported_ops ... ok
[INFO] [stdout] test assembler::test::mov ... ok
[INFO] [stdout] test brainfuck::test::ignores_comments ... ok
[INFO] [stdout] test assembler::test::sub_indirect ... ok
[INFO] [stdout] test interpreter::test::can_read_input ... ok
[INFO] [stdout] test assembler::test::add_indirect ... ok
[INFO] [stdout] test assembler::test::push ... ok
[INFO] [stdout] test assembler::test::call ... ok
[INFO] [stdout] test ir::test::can_print_debug ... ok
[INFO] [stdout] test ir::test::iter ... ok
[INFO] [stdout] test interpreter::test::move_ptr ... ok
[INFO] [stdout] test assembler::test::mov_to_mem_offset ... ok
[INFO] [stdout] test brainfuck::test::find_matching_parentheses ... ok
[INFO] [stdout] test interpreter::test::increment_memory ... ok
[INFO] [stdout] test compiler::test::can_run_pi_bf ... ok
[INFO] [stdout] test interpreter::test::loops_work ... ok
[INFO] [stdout] test assembler::test::cmp_indirect ... ok
[INFO] [stdout] test interpreter::test::decrement_memory ... ok
[INFO] [stdout] test interpreter::test::can_write_output ... ok
[INFO] [stdout] test ir::test::len ... ok
[INFO] [stdout] test ir::test::multiplication_loop_negative_bug ... ok
[INFO] [stdout] test ir::test::optimizes_adds_following_preceding_clear_loops ... ok
[INFO] [stdout] test assembler::test::je ... ok
[INFO] [stdout] test assembler::test::mul_signed ... ok
[INFO] [stdout] test assembler::test::ret ... ok
[INFO] [stdout] test ir::test::optimizes_clear_loops ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_adds ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_lefts_rights ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_mixed_adds ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_mixed_lefts_rights ... 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::does_not_crash ... ok
[INFO] [stdout] test compiler::test::copy_multiplied ... ok
[INFO] [stdout] test ir::test::optimizes_consecutive_subtractions ... 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 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ea0df3e3ac3b90feb7458cf947702e4ed91a92b95ae1806c6147782cbb1dc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea0df3e3ac3b90feb7458cf947702e4ed91a92b95ae1806c6147782cbb1dc72", kill_on_drop: false }`
[INFO] [stdout] 8ea0df3e3ac3b90feb7458cf947702e4ed91a92b95ae1806c6147782cbb1dc72