[INFO] cloning repository https://github.com/nukelets/vanilla
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nukelets/vanilla" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukelets%2Fvanilla", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukelets%2Fvanilla'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7772b23fca6e65cca68ce0a5caea2b1549a46a28
[INFO] testing nukelets/vanilla against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukelets%2Fvanilla" "/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/nukelets/vanilla on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nukelets/vanilla
[INFO] finished tweaking git repo https://github.com/nukelets/vanilla
[INFO] tweaked toml for git repo https://github.com/nukelets/vanilla written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/nukelets/vanilla already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 40bafe240083f2147cf4a681730da4b8443a2f990dba2185f03f7b98425f362c
[INFO] running `Command { std: "docker" "start" "-a" "40bafe240083f2147cf4a681730da4b8443a2f990dba2185f03f7b98425f362c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40bafe240083f2147cf4a681730da4b8443a2f990dba2185f03f7b98425f362c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bafe240083f2147cf4a681730da4b8443a2f990dba2185f03f7b98425f362c", kill_on_drop: false }`
[INFO] [stdout] 40bafe240083f2147cf4a681730da4b8443a2f990dba2185f03f7b98425f362c
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] b9e17018ce3b7c970c9a254f3bc2fc3da1d7ac736acceee8a3198b4e478e83ad
[INFO] running `Command { std: "docker" "start" "-a" "b9e17018ce3b7c970c9a254f3bc2fc3da1d7ac736acceee8a3198b4e478e83ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling vanilla v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::util::disassembler::Disassembler`
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use cpu::util::disassembler::Disassembler;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::util::instr_set_parser::InstrSetParser`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use cpu::util::instr_set_parser::InstrSetParser;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/cpu/util/disassembler.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let opcode = byte;
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_memory`
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn print_memory(bytes: &[u8], start_addr: u16) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump_regs`
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn dump_regs(cpu: &Cpu) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/mmio.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn read(&self, addr: u16, size: u16) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_byte`
[INFO] [stdout]   --> src/mmio.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn write_byte(&mut self, addr: u16, byte: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/mmio.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn write(&mut self, addr: u16, bytes: &[u8]) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `InstrSetParser`
[INFO] [stdout]  --> src/cpu/util/instr_set_parser.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct InstrSetParser {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/util/instr_set_parser.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(filepath: &str) -> InstrSetParser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_opcode`
[INFO] [stdout]    --> src/cpu/util/instr_set_parser.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn parse_opcode(&self, value: &str) -> Result<usize, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_line`
[INFO] [stdout]    --> src/cpu/util/instr_set_parser.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn parse_line(&self, line: &str) -> Result<(usize, Op), String> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/cpu/util/instr_set_parser.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn parse(&mut self) -> Result<Vec<Op>, String> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Disassembler`
[INFO] [stdout]  --> src/cpu/util/disassembler.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Disassembler<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_arg_count`
[INFO] [stdout]  --> src/cpu/util/disassembler.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_arg_count(op: &Op) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_op_fmt_string`
[INFO] [stdout]   --> src/cpu/util/disassembler.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_op_fmt_string(op: &Op, arg: u16) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/util/disassembler.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(data: Vec<u8>, optable: &'a Vec<Op>) -> Disassembler {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/cpu/util/disassembler.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn read(&mut self, offset: usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "b9e17018ce3b7c970c9a254f3bc2fc3da1d7ac736acceee8a3198b4e478e83ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e17018ce3b7c970c9a254f3bc2fc3da1d7ac736acceee8a3198b4e478e83ad", kill_on_drop: false }`
[INFO] [stdout] b9e17018ce3b7c970c9a254f3bc2fc3da1d7ac736acceee8a3198b4e478e83ad
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] a4b0834d8b91b77c5a72818b22876656587a87d7ee36a49150733995a6fdff70
[INFO] running `Command { std: "docker" "start" "-a" "a4b0834d8b91b77c5a72818b22876656587a87d7ee36a49150733995a6fdff70", kill_on_drop: false }`
[INFO] [stderr]    Compiling vanilla v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::util::disassembler::Disassembler`
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use cpu::util::disassembler::Disassembler;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::util::instr_set_parser::InstrSetParser`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use cpu::util::instr_set_parser::InstrSetParser;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/cpu/util/disassembler.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let opcode = byte;
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_memory`
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn print_memory(bytes: &[u8], start_addr: u16) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump_regs`
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn dump_regs(cpu: &Cpu) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/mmio.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn read(&self, addr: u16, size: u16) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_byte`
[INFO] [stdout]   --> src/mmio.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn write_byte(&mut self, addr: u16, byte: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/mmio.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn write(&mut self, addr: u16, bytes: &[u8]) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `InstrSetParser`
[INFO] [stdout]  --> src/cpu/util/instr_set_parser.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct InstrSetParser {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/util/instr_set_parser.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(filepath: &str) -> InstrSetParser {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_opcode`
[INFO] [stdout]    --> src/cpu/util/instr_set_parser.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn parse_opcode(&self, value: &str) -> Result<usize, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_line`
[INFO] [stdout]    --> src/cpu/util/instr_set_parser.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn parse_line(&self, line: &str) -> Result<(usize, Op), String> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/cpu/util/instr_set_parser.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn parse(&mut self) -> Result<Vec<Op>, String> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Disassembler`
[INFO] [stdout]  --> src/cpu/util/disassembler.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Disassembler<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_arg_count`
[INFO] [stdout]  --> src/cpu/util/disassembler.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_arg_count(op: &Op) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_op_fmt_string`
[INFO] [stdout]   --> src/cpu/util/disassembler.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_op_fmt_string(op: &Op, arg: u16) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/util/disassembler.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(data: Vec<u8>, optable: &'a Vec<Op>) -> Disassembler {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/cpu/util/disassembler.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn read(&mut self, offset: usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/vanilla-3ea5ec8df04b95af)
[INFO] running `Command { std: "docker" "inspect" "a4b0834d8b91b77c5a72818b22876656587a87d7ee36a49150733995a6fdff70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b0834d8b91b77c5a72818b22876656587a87d7ee36a49150733995a6fdff70", kill_on_drop: false }`
[INFO] [stdout] a4b0834d8b91b77c5a72818b22876656587a87d7ee36a49150733995a6fdff70
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] e6628519805017f649273f07d855f9dc94def1b81af4ed3c0fdd155820ecbaa2
[INFO] running `Command { std: "docker" "start" "-a" "e6628519805017f649273f07d855f9dc94def1b81af4ed3c0fdd155820ecbaa2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::util::disassembler::Disassembler`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | use cpu::util::disassembler::Disassembler;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::util::instr_set_parser::InstrSetParser`
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | use cpu::util::instr_set_parser::InstrSetParser;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]   --> src/cpu/util/disassembler.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             let opcode = byte;
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_memory`
[INFO] [stderr]  --> src/main.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn print_memory(bytes: &[u8], start_addr: u16) {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dump_regs`
[INFO] [stderr]   --> src/main.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn dump_regs(cpu: &Cpu) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/mmio.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&self, addr: u16, size: u16) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_byte`
[INFO] [stderr]   --> src/mmio.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn write_byte(&mut self, addr: u16, byte: u8) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/mmio.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn write(&mut self, addr: u16, bytes: &[u8]) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InstrSetParser`
[INFO] [stderr]  --> src/cpu/util/instr_set_parser.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct InstrSetParser {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu/util/instr_set_parser.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(filepath: &str) -> InstrSetParser {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_opcode`
[INFO] [stderr]    --> src/cpu/util/instr_set_parser.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn parse_opcode(&self, value: &str) -> Result<usize, String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_line`
[INFO] [stderr]    --> src/cpu/util/instr_set_parser.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn parse_line(&self, line: &str) -> Result<(usize, Op), String> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse`
[INFO] [stderr]    --> src/cpu/util/instr_set_parser.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn parse(&mut self) -> Result<Vec<Op>, String> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Disassembler`
[INFO] [stderr]  --> src/cpu/util/disassembler.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Disassembler<'a> {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_arg_count`
[INFO] [stderr]  --> src/cpu/util/disassembler.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn get_arg_count(op: &Op) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_op_fmt_string`
[INFO] [stderr]   --> src/cpu/util/disassembler.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn get_op_fmt_string(op: &Op, arg: u16) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu/util/disassembler.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn new(data: Vec<u8>, optable: &'a Vec<Op>) -> Disassembler {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/cpu/util/disassembler.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn read(&mut self, offset: usize) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vanilla` (bin "vanilla" test) generated 19 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vanilla-3ea5ec8df04b95af)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6628519805017f649273f07d855f9dc94def1b81af4ed3c0fdd155820ecbaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6628519805017f649273f07d855f9dc94def1b81af4ed3c0fdd155820ecbaa2", kill_on_drop: false }`
[INFO] [stdout] e6628519805017f649273f07d855f9dc94def1b81af4ed3c0fdd155820ecbaa2