[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] checking dobrakmato/rust-brainfuck against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Frust-brainfuck" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dobrakmato/rust-brainfuck on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-14/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 014e5ec13d252ebdf48ea410951be41e7fe9ac83be8c57c1f9bf57ab1dae66c6 [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" "014e5ec13d252ebdf48ea410951be41e7fe9ac83be8c57c1f9bf57ab1dae66c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "014e5ec13d252ebdf48ea410951be41e7fe9ac83be8c57c1f9bf57ab1dae66c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "014e5ec13d252ebdf48ea410951be41e7fe9ac83be8c57c1f9bf57ab1dae66c6", kill_on_drop: false }` [INFO] [stdout] 014e5ec13d252ebdf48ea410951be41e7fe9ac83be8c57c1f9bf57ab1dae66c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 777725322d946f923669c37eb87682717491d9cc984c110855dceb9874b8e70b [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" "777725322d946f923669c37eb87682717491d9cc984c110855dceb9874b8e70b", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking bfjit v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [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] [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 dev [unoptimized + debuginfo] target(s) in 10.40s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking bfjit v0.1.0 (/tmp/fixit) [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] [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 dev [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "777725322d946f923669c37eb87682717491d9cc984c110855dceb9874b8e70b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "777725322d946f923669c37eb87682717491d9cc984c110855dceb9874b8e70b", kill_on_drop: false }` [INFO] [stdout] 777725322d946f923669c37eb87682717491d9cc984c110855dceb9874b8e70b