[INFO] cloning repository https://github.com/Vest/synacor-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vest/synacor-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVest%2Fsynacor-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVest%2Fsynacor-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f841e8acc0bad9e5634d098f3b776608a3bfeabd [INFO] checking Vest/synacor-vm against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVest%2Fsynacor-vm" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vest/synacor-vm on toolchain 339e19697a39a78f4d669c217b7d21109215de41 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Vest/synacor-vm [INFO] finished tweaking git repo https://github.com/Vest/synacor-vm [INFO] tweaked toml for git repo https://github.com/Vest/synacor-vm written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Vest/synacor-vm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b90d5232201327669de2abb55a5f4fae47f04ae52fc4b020d1ee1902c27dfb1 [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" "5b90d5232201327669de2abb55a5f4fae47f04ae52fc4b020d1ee1902c27dfb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b90d5232201327669de2abb55a5f4fae47f04ae52fc4b020d1ee1902c27dfb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b90d5232201327669de2abb55a5f4fae47f04ae52fc4b020d1ee1902c27dfb1", kill_on_drop: false }` [INFO] [stdout] 5b90d5232201327669de2abb55a5f4fae47f04ae52fc4b020d1ee1902c27dfb1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c01b794fd5469e4bb0fc5c0dd1b6f48621c6e2b07040984581bd0036d57c7d1 [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" "7c01b794fd5469e4bb0fc5c0dd1b6f48621c6e2b07040984581bd0036d57c7d1", kill_on_drop: false }` [INFO] [stderr] Checking synacor-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `OverflowAddress` [INFO] [stdout] --> src/mem.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | OverflowAddress(u16), [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: `set_value` [INFO] [stdout] --> src/mem.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn set_value(&mut self, address: u16, value: u16) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_memory` [INFO] [stdout] --> src/mem.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn write_memory(&mut self, address: u16, value: u16) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `CPUError` [INFO] [stdout] --> src/cpu.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum CPUError { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `registers` [INFO] [stdout] --> src/cpu.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | registers: [u16; MAX_REGISTERS], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stack` [INFO] [stdout] --> src/cpu.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | stack: LinkedList, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_value` [INFO] [stdout] --> src/cpu.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn set_value(&mut self, address: u16, value: u16) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_register` [INFO] [stdout] --> src/cpu.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn read_register(&self, number: u8) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write_register` [INFO] [stdout] --> src/cpu.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn write_register(&mut self, number: u8, value: u16) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/cpu.rs:67:12 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn push(&mut self, value: u16) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/cpu.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_registry_from_address` [INFO] [stdout] --> src/cpu.rs:103:4 [INFO] [stdout] | [INFO] [stdout] 103 | fn get_registry_from_address(address: u16) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "7c01b794fd5469e4bb0fc5c0dd1b6f48621c6e2b07040984581bd0036d57c7d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c01b794fd5469e4bb0fc5c0dd1b6f48621c6e2b07040984581bd0036d57c7d1", kill_on_drop: false }` [INFO] [stdout] 7c01b794fd5469e4bb0fc5c0dd1b6f48621c6e2b07040984581bd0036d57c7d1