[INFO] fetching crate rust_vm 0.1.0... [INFO] checking rust_vm-0.1.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] extracting crate rust_vm 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate rust_vm 0.1.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_vm 0.1.0 [INFO] finished tweaking crates.io crate rust_vm 0.1.0 [INFO] tweaked toml for crates.io crate rust_vm 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate rust_vm 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e75889891e6b0856e21a95b829f84f6785c4e26587641e4e97ec035067ab70f [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" "1e75889891e6b0856e21a95b829f84f6785c4e26587641e4e97ec035067ab70f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e75889891e6b0856e21a95b829f84f6785c4e26587641e4e97ec035067ab70f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e75889891e6b0856e21a95b829f84f6785c4e26587641e4e97ec035067ab70f", kill_on_drop: false }` [INFO] [stdout] 1e75889891e6b0856e21a95b829f84f6785c4e26587641e4e97ec035067ab70f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da5223ac1e0b8c733de3b9dec523b93d8188f5fef8164b3b386b3acc0d3bdfd1 [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" "da5223ac1e0b8c733de3b9dec523b93d8188f5fef8164b3b386b3acc0d3bdfd1", kill_on_drop: false }` [INFO] [stderr] Checking rust_vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rust_vm::RustVM` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rust_vm::RustVM; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/rust_vm.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let data = ins.data; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rust_vm.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut ins = self.next_instruction(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `INSTRUCTION_BYTES` [INFO] [stdout] --> src/rust_vm.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | pub static INSTRUCTION_BYTES:usize = 4; [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: `fmt` [INFO] [stdout] --> src/rust_vm.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/rust_vm.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn size() -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_ip` [INFO] [stdout] --> src/rust_vm.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn get_ip(&mut self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_instruction_length` [INFO] [stdout] --> src/rust_vm.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn get_instruction_length() -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/rust_vm.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let data = ins.data; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rust_vm.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut ins = self.next_instruction(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `fmt` [INFO] [stdout] --> src/rust_vm.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "da5223ac1e0b8c733de3b9dec523b93d8188f5fef8164b3b386b3acc0d3bdfd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da5223ac1e0b8c733de3b9dec523b93d8188f5fef8164b3b386b3acc0d3bdfd1", kill_on_drop: false }` [INFO] [stdout] da5223ac1e0b8c733de3b9dec523b93d8188f5fef8164b3b386b3acc0d3bdfd1