[INFO] cloning repository https://github.com/bokuweb/r2v
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bokuweb/r2v" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbokuweb%2Fr2v", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbokuweb%2Fr2v'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45c029335dffb12acbc330b6030b57e6584a7b57
[INFO] testing bokuweb/r2v against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbokuweb%2Fr2v" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bokuweb/r2v
[INFO] finished tweaking git repo https://github.com/bokuweb/r2v
[INFO] tweaked toml for git repo https://github.com/bokuweb/r2v written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bokuweb/r2v on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bokuweb/r2v already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded insta v0.13.1
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded ctor v0.1.13
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded linked-hash-map v0.5.2
[INFO] [stderr]   Downloaded dtoa v0.4.5
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] [stderr]   Downloaded yaml-rust v0.4.3
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded regex v1.3.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23898c4c7db8fbc0a5f3f66ecd1b03b2c460db6ce0d518817a35dbac57615890
[INFO] running `Command { std: "docker" "start" "-a" "23898c4c7db8fbc0a5f3f66ecd1b03b2c460db6ce0d518817a35dbac57615890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23898c4c7db8fbc0a5f3f66ecd1b03b2c460db6ce0d518817a35dbac57615890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23898c4c7db8fbc0a5f3f66ecd1b03b2c460db6ce0d518817a35dbac57615890", kill_on_drop: false }`
[INFO] [stdout] 23898c4c7db8fbc0a5f3f66ecd1b03b2c460db6ce0d518817a35dbac57615890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ddbb909cc5bfc966dd73f260c356511cffac5b8c3609888bc0f6c8f4afaf7d2
[INFO] running `Command { std: "docker" "start" "-a" "7ddbb909cc5bfc966dd73f260c356511cffac5b8c3609888bc0f6c8f4afaf7d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling r2v v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `x` and `csr` are never read
[INFO] [stdout]   --> src/cpu.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub(crate) struct Cpu {
[INFO] [stdout]    |                   --- fields in this struct
[INFO] [stdout]  8 |     x: [i32; 32],
[INFO] [stdout]    |     ^
[INFO] [stdout]  9 |     pc: u32,
[INFO] [stdout] 10 |     csr: [u32; 1024],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/cpu.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  37 |     pub fn tick(&mut self) -> Instruction {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  44 |     fn fetch(&mut self) -> u32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn exec(&mut self, inst: Instruction) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn read_byte(&mut self, addr: u32) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn read_halfword(&self, addr: u32) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn read_word(&self, addr: u32) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn write_byte(&mut self, addr: u32, data: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn write_halfword(&mut self, addr: u32, data: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn write_word(&mut self, addr: u32, data: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn decode(&self, d: u32) -> Instruction {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rd`, `rs1`, and `rs2` are never used
[INFO] [stdout]   --> src/instruction/format.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl R {
[INFO] [stdout]    | ------ methods in this implementation
[INFO] [stdout] 24 |   pub fn rd(self) -> usize {
[INFO] [stdout]    |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   pub fn rs1(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   pub fn rs2(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rs1`, `rs2`, and `imm` are never used
[INFO] [stdout]   --> src/instruction/format.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl B {
[INFO] [stdout]    | ------ methods in this implementation
[INFO] [stdout] 51 |   pub fn rs1(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |   pub fn rs2(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |   pub fn imm(self) -> u32 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rs1`, `rs2`, and `imm` are never used
[INFO] [stdout]   --> src/instruction/format.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl S {
[INFO] [stdout]    | ------ methods in this implementation
[INFO] [stdout] 80 |   pub fn rs1(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |   pub fn rs2(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |   pub fn imm(self) -> i32 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rd` and `imm` are never used
[INFO] [stdout]    --> src/instruction/format.rs:105:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl U {
[INFO] [stdout]     | ------ methods in this implementation
[INFO] [stdout] 105 |   pub fn rd(self) -> usize {
[INFO] [stdout]     |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |   pub fn imm(self) -> u32 {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rd` and `imm` are never used
[INFO] [stdout]    --> src/instruction/format.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl J {
[INFO] [stdout]     | ------ methods in this implementation
[INFO] [stdout] 126 |   pub fn rd(self) -> usize {
[INFO] [stdout]     |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |   pub fn imm(self) -> u32 {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rd`, `rs1`, `imm`, and `csr` are never used
[INFO] [stdout]    --> src/instruction/format.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 149 | impl I {
[INFO] [stdout]     | ------ methods in this implementation
[INFO] [stdout] 150 |   pub fn rd(self) -> usize {
[INFO] [stdout]     |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |   pub fn rs1(self) -> usize {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |   pub fn imm(self) -> i32 {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |   pub fn csr(self) -> usize {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instruction` is never used
[INFO] [stdout]  --> src/instruction/instructions.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Instruction {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "7ddbb909cc5bfc966dd73f260c356511cffac5b8c3609888bc0f6c8f4afaf7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddbb909cc5bfc966dd73f260c356511cffac5b8c3609888bc0f6c8f4afaf7d2", kill_on_drop: false }`
[INFO] [stdout] 7ddbb909cc5bfc966dd73f260c356511cffac5b8c3609888bc0f6c8f4afaf7d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b8df57f64c299db6876c27c8c2d8c2705161348d2f476a95e31252a5f59e35
[INFO] running `Command { std: "docker" "start" "-a" "92b8df57f64c299db6876c27c8c2d8c2705161348d2f476a95e31252a5f59e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling insta v0.13.1
[INFO] [stderr]    Compiling r2v v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `x` and `csr` are never read
[INFO] [stdout]   --> src/cpu.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub(crate) struct Cpu {
[INFO] [stdout]    |                   --- fields in this struct
[INFO] [stdout]  8 |     x: [i32; 32],
[INFO] [stdout]    |     ^
[INFO] [stdout]  9 |     pc: u32,
[INFO] [stdout] 10 |     csr: [u32; 1024],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/cpu.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  37 |     pub fn tick(&mut self) -> Instruction {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  44 |     fn fetch(&mut self) -> u32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn exec(&mut self, inst: Instruction) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn read_byte(&mut self, addr: u32) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn read_halfword(&self, addr: u32) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn read_word(&self, addr: u32) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn write_byte(&mut self, addr: u32, data: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn write_halfword(&mut self, addr: u32, data: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn write_word(&mut self, addr: u32, data: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn decode(&self, d: u32) -> Instruction {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rd`, `rs1`, and `rs2` are never used
[INFO] [stdout]   --> src/instruction/format.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl R {
[INFO] [stdout]    | ------ methods in this implementation
[INFO] [stdout] 24 |   pub fn rd(self) -> usize {
[INFO] [stdout]    |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   pub fn rs1(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   pub fn rs2(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rs1`, `rs2`, and `imm` are never used
[INFO] [stdout]   --> src/instruction/format.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl B {
[INFO] [stdout]    | ------ methods in this implementation
[INFO] [stdout] 51 |   pub fn rs1(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |   pub fn rs2(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |   pub fn imm(self) -> u32 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rs1`, `rs2`, and `imm` are never used
[INFO] [stdout]   --> src/instruction/format.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl S {
[INFO] [stdout]    | ------ methods in this implementation
[INFO] [stdout] 80 |   pub fn rs1(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |   pub fn rs2(self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |   pub fn imm(self) -> i32 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rd` and `imm` are never used
[INFO] [stdout]    --> src/instruction/format.rs:105:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl U {
[INFO] [stdout]     | ------ methods in this implementation
[INFO] [stdout] 105 |   pub fn rd(self) -> usize {
[INFO] [stdout]     |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |   pub fn imm(self) -> u32 {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rd` and `imm` are never used
[INFO] [stdout]    --> src/instruction/format.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl J {
[INFO] [stdout]     | ------ methods in this implementation
[INFO] [stdout] 126 |   pub fn rd(self) -> usize {
[INFO] [stdout]     |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |   pub fn imm(self) -> u32 {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rd`, `rs1`, `imm`, and `csr` are never used
[INFO] [stdout]    --> src/instruction/format.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 149 | impl I {
[INFO] [stdout]     | ------ methods in this implementation
[INFO] [stdout] 150 |   pub fn rd(self) -> usize {
[INFO] [stdout]     |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |   pub fn rs1(self) -> usize {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |   pub fn imm(self) -> i32 {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |   pub fn csr(self) -> usize {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instruction` is never used
[INFO] [stdout]  --> src/instruction/instructions.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Instruction {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.83s
[INFO] running `Command { std: "docker" "inspect" "92b8df57f64c299db6876c27c8c2d8c2705161348d2f476a95e31252a5f59e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b8df57f64c299db6876c27c8c2d8c2705161348d2f476a95e31252a5f59e35", kill_on_drop: false }`
[INFO] [stdout] 92b8df57f64c299db6876c27c8c2d8c2705161348d2f476a95e31252a5f59e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e9e86e482594fe2abec45b06832c332b10c7ee813557f2a389b69c6b8f6ed01
[INFO] running `Command { std: "docker" "start" "-a" "0e9e86e482594fe2abec45b06832c332b10c7ee813557f2a389b69c6b8f6ed01", kill_on_drop: false }`
[INFO] [stderr] warning: fields `x` and `csr` are never read
[INFO] [stderr]   --> src/cpu.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub(crate) struct Cpu {
[INFO] [stderr]    |                   --- fields in this struct
[INFO] [stderr]  8 |     x: [i32; 32],
[INFO] [stderr]    |     ^
[INFO] [stderr]  9 |     pc: u32,
[INFO] [stderr] 10 |     csr: [u32; 1024],
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/cpu.rs:37:12
[INFO] [stderr]     |
[INFO] [stderr]  25 | impl Cpu {
[INFO] [stderr]     | -------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  37 |     pub fn tick(&mut self) -> Instruction {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr]  44 |     fn fetch(&mut self) -> u32 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  50 |     fn exec(&mut self, inst: Instruction) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 143 |     fn read_byte(&mut self, addr: u32) -> u8 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 147 |     fn read_halfword(&self, addr: u32) -> u16 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |     fn read_word(&self, addr: u32) -> u32 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 155 |     fn write_byte(&mut self, addr: u32, data: u8) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 159 |     fn write_halfword(&mut self, addr: u32, data: u16) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 163 |     fn write_word(&mut self, addr: u32, data: u32) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 167 |     fn decode(&self, d: u32) -> Instruction {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `rd`, `rs1`, and `rs2` are never used
[INFO] [stderr]   --> src/instruction/format.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl R {
[INFO] [stderr]    | ------ methods in this implementation
[INFO] [stderr] 24 |   pub fn rd(self) -> usize {
[INFO] [stderr]    |          ^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |   pub fn rs1(self) -> usize {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |   pub fn rs2(self) -> usize {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `rs1`, `rs2`, and `imm` are never used
[INFO] [stderr]   --> src/instruction/format.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl B {
[INFO] [stderr]    | ------ methods in this implementation
[INFO] [stderr] 51 |   pub fn rs1(self) -> usize {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |   pub fn rs2(self) -> usize {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |   pub fn imm(self) -> u32 {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `rs1`, `rs2`, and `imm` are never used
[INFO] [stderr]   --> src/instruction/format.rs:80:10
[INFO] [stderr]    |
[INFO] [stderr] 79 | impl S {
[INFO] [stderr]    | ------ methods in this implementation
[INFO] [stderr] 80 |   pub fn rs1(self) -> usize {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 84 |   pub fn rs2(self) -> usize {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 88 |   pub fn imm(self) -> i32 {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `rd` and `imm` are never used
[INFO] [stderr]    --> src/instruction/format.rs:105:10
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl U {
[INFO] [stderr]     | ------ methods in this implementation
[INFO] [stderr] 105 |   pub fn rd(self) -> usize {
[INFO] [stderr]     |          ^^
[INFO] [stderr] ...
[INFO] [stderr] 109 |   pub fn imm(self) -> u32 {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `rd` and `imm` are never used
[INFO] [stderr]    --> src/instruction/format.rs:126:10
[INFO] [stderr]     |
[INFO] [stderr] 125 | impl J {
[INFO] [stderr]     | ------ methods in this implementation
[INFO] [stderr] 126 |   pub fn rd(self) -> usize {
[INFO] [stderr]     |          ^^
[INFO] [stderr] ...
[INFO] [stderr] 130 |   pub fn imm(self) -> u32 {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `rd`, `rs1`, `imm`, and `csr` are never used
[INFO] [stderr]    --> src/instruction/format.rs:150:10
[INFO] [stderr]     |
[INFO] [stderr] 149 | impl I {
[INFO] [stderr]     | ------ methods in this implementation
[INFO] [stderr] 150 |   pub fn rd(self) -> usize {
[INFO] [stderr]     |          ^^
[INFO] [stderr] ...
[INFO] [stderr] 154 |   pub fn rs1(self) -> usize {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 157 |   pub fn imm(self) -> i32 {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 164 |   pub fn csr(self) -> usize {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Instruction` is never used
[INFO] [stderr]  --> src/instruction/instructions.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Instruction {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `r2v` (bin "r2v" test) generated 9 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/r2v-f1d4bc1f0e238561)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test instruction::format::tests::test_common_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e9e86e482594fe2abec45b06832c332b10c7ee813557f2a389b69c6b8f6ed01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9e86e482594fe2abec45b06832c332b10c7ee813557f2a389b69c6b8f6ed01", kill_on_drop: false }`
[INFO] [stdout] 0e9e86e482594fe2abec45b06832c332b10c7ee813557f2a389b69c6b8f6ed01
