[INFO] cloning repository https://github.com/atraber/rust-riscv-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atraber/rust-riscv-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatraber%2Frust-riscv-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatraber%2Frust-riscv-sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 028e59ceb8bf5c2b1a7cd4c5e1e1d80148e678f9
[INFO] testing atraber/rust-riscv-sim against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatraber%2Frust-riscv-sim" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atraber/rust-riscv-sim on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atraber/rust-riscv-sim
[INFO] finished tweaking git repo https://github.com/atraber/rust-riscv-sim
[INFO] tweaked toml for git repo https://github.com/atraber/rust-riscv-sim written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/atraber/rust-riscv-sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/cole14/rust-elf`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26bd57a938acda553900fbb84a1ed4746688f692fd430930932fde6fec2dbfa1
[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" "26bd57a938acda553900fbb84a1ed4746688f692fd430930932fde6fec2dbfa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26bd57a938acda553900fbb84a1ed4746688f692fd430930932fde6fec2dbfa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26bd57a938acda553900fbb84a1ed4746688f692fd430930932fde6fec2dbfa1", kill_on_drop: false }`
[INFO] [stdout] 26bd57a938acda553900fbb84a1ed4746688f692fd430930932fde6fec2dbfa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9adb20c1af19c7ca1d4cd0da1e1cc0231ada60f85adb8115e4d8a8b2e2cd7c5
[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" "a9adb20c1af19c7ca1d4cd0da1e1cc0231ada60f85adb8115e4d8a8b2e2cd7c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling elf v0.0.10 (https://github.com/cole14/rust-elf#44654da0)
[INFO] [stderr]    Compiling riscv-sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:238:18
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let imm0_5 = ((insn >>  2) & 0x1F);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for i in 0..100 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:392:21
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 Err(e)   => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/main.rs:415:20
[INFO] [stdout]     |
[INFO] [stdout] 415 |                 Ok(data) => {},
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:416:21
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 Err(e)   => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs2`
[INFO] [stdout]    --> src/main.rs:434:26
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rs2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs1`
[INFO] [stdout]    --> src/main.rs:434:31
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funct3`
[INFO] [stdout]    --> src/main.rs:434:36
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_funct3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/main.rs:434:44
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs1`
[INFO] [stdout]    --> src/main.rs:446:23
[INFO] [stdout]     |
[INFO] [stdout] 446 |             let (imm, rs1, funct3, rd) = decode_i_type(insn);
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs1`
[INFO] [stdout]    --> src/main.rs:460:23
[INFO] [stdout]     |
[INFO] [stdout] 460 |             let (imm, rs1, funct3, rd) = decode_i_type(insn);
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/elf.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     Err(err) => println!("Failed to write to addr 0x{:X}", section.shdr.addr + i),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fpr`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fpr: [u64; 32], // TODO: currently unused
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `spr`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     spr: [u64; 4096],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_sb_type`
[INFO] [stdout]    --> src/main.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn decode_sb_type(insn: u32) -> (i16, usize, usize, u8)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_uj_type`
[INFO] [stdout]    --> src/main.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn decode_uj_type(insn: u32) -> (u32, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cr_type`
[INFO] [stdout]    --> src/main.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn decode_cr_type(insn: u32) -> (u8, usize, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_ci_type`
[INFO] [stdout]    --> src/main.rs:234:4
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn decode_ci_type(insn: u32) -> (u8, i16, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_css_type`
[INFO] [stdout]    --> src/main.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn decode_css_type(insn: u32) -> (u8, i16, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_ciw_type`
[INFO] [stdout]    --> src/main.rs:255:4
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn decode_ciw_type(insn: u32) -> (u8, i16, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cl_type`
[INFO] [stdout]    --> src/main.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn decode_cl_type(insn: u32) -> (u8, i16, usize, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cs_type`
[INFO] [stdout]    --> src/main.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn decode_cs_type(insn: u32) -> (u8, i16, usize, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cb_type`
[INFO] [stdout]    --> src/main.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn decode_cb_type(insn: u32) -> (u8, i16, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cj_type`
[INFO] [stdout]    --> src/main.rs:295:4
[INFO] [stdout]     |
[INFO] [stdout] 295 | fn decode_cj_type(insn: u32) -> (u8, i16)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "a9adb20c1af19c7ca1d4cd0da1e1cc0231ada60f85adb8115e4d8a8b2e2cd7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9adb20c1af19c7ca1d4cd0da1e1cc0231ada60f85adb8115e4d8a8b2e2cd7c5", kill_on_drop: false }`
[INFO] [stdout] a9adb20c1af19c7ca1d4cd0da1e1cc0231ada60f85adb8115e4d8a8b2e2cd7c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66f3f90c73ef0a2c4ee05893a9f1c6665a426a9b0d2d9f2343265cbc58124ca
[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" "a66f3f90c73ef0a2c4ee05893a9f1c6665a426a9b0d2d9f2343265cbc58124ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv-sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:238:18
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let imm0_5 = ((insn >>  2) & 0x1F);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for i in 0..100 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:392:21
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 Err(e)   => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/main.rs:415:20
[INFO] [stdout]     |
[INFO] [stdout] 415 |                 Ok(data) => {},
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:416:21
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 Err(e)   => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs2`
[INFO] [stdout]    --> src/main.rs:434:26
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rs2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs1`
[INFO] [stdout]    --> src/main.rs:434:31
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funct3`
[INFO] [stdout]    --> src/main.rs:434:36
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_funct3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/main.rs:434:44
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs1`
[INFO] [stdout]    --> src/main.rs:446:23
[INFO] [stdout]     |
[INFO] [stdout] 446 |             let (imm, rs1, funct3, rd) = decode_i_type(insn);
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs1`
[INFO] [stdout]    --> src/main.rs:460:23
[INFO] [stdout]     |
[INFO] [stdout] 460 |             let (imm, rs1, funct3, rd) = decode_i_type(insn);
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/elf.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     Err(err) => println!("Failed to write to addr 0x{:X}", section.shdr.addr + i),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fpr`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fpr: [u64; 32], // TODO: currently unused
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `spr`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     spr: [u64; 4096],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_sb_type`
[INFO] [stdout]    --> src/main.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn decode_sb_type(insn: u32) -> (i16, usize, usize, u8)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_uj_type`
[INFO] [stdout]    --> src/main.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn decode_uj_type(insn: u32) -> (u32, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cr_type`
[INFO] [stdout]    --> src/main.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn decode_cr_type(insn: u32) -> (u8, usize, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_ci_type`
[INFO] [stdout]    --> src/main.rs:234:4
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn decode_ci_type(insn: u32) -> (u8, i16, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_css_type`
[INFO] [stdout]    --> src/main.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn decode_css_type(insn: u32) -> (u8, i16, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_ciw_type`
[INFO] [stdout]    --> src/main.rs:255:4
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn decode_ciw_type(insn: u32) -> (u8, i16, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cl_type`
[INFO] [stdout]    --> src/main.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn decode_cl_type(insn: u32) -> (u8, i16, usize, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cs_type`
[INFO] [stdout]    --> src/main.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn decode_cs_type(insn: u32) -> (u8, i16, usize, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cb_type`
[INFO] [stdout]    --> src/main.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn decode_cb_type(insn: u32) -> (u8, i16, usize)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cj_type`
[INFO] [stdout]    --> src/main.rs:295:4
[INFO] [stdout]     |
[INFO] [stdout] 295 | fn decode_cj_type(insn: u32) -> (u8, i16)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a66f3f90c73ef0a2c4ee05893a9f1c6665a426a9b0d2d9f2343265cbc58124ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66f3f90c73ef0a2c4ee05893a9f1c6665a426a9b0d2d9f2343265cbc58124ca", kill_on_drop: false }`
[INFO] [stdout] a66f3f90c73ef0a2c4ee05893a9f1c6665a426a9b0d2d9f2343265cbc58124ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81bdd74cda90b306f480c339eb17f077e48de33bf6061871d2daa6f7b8a97acd
[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" "81bdd74cda90b306f480c339eb17f077e48de33bf6061871d2daa6f7b8a97acd", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:238:18
[INFO] [stderr]     |
[INFO] [stderr] 238 |     let imm0_5 = ((insn >>  2) & 0x1F);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     for i in 0..100 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:339:13
[INFO] [stderr]     |
[INFO] [stderr] 339 |         Err(e) => {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:357:17
[INFO] [stderr]     |
[INFO] [stderr] 357 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:392:21
[INFO] [stderr]     |
[INFO] [stderr] 392 |                 Err(e)   => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/main.rs:415:20
[INFO] [stderr]     |
[INFO] [stderr] 415 |                 Ok(data) => {},
[INFO] [stderr]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:416:21
[INFO] [stderr]     |
[INFO] [stderr] 416 |                 Err(e)   => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rs2`
[INFO] [stderr]    --> src/main.rs:434:26
[INFO] [stderr]     |
[INFO] [stderr] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rs2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rs1`
[INFO] [stderr]    --> src/main.rs:434:31
[INFO] [stderr]     |
[INFO] [stderr] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `funct3`
[INFO] [stderr]    --> src/main.rs:434:36
[INFO] [stderr]     |
[INFO] [stderr] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stderr]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_funct3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rd`
[INFO] [stderr]    --> src/main.rs:434:44
[INFO] [stderr]     |
[INFO] [stderr] 434 |             let (funct7, rs2, rs1, funct3, rd) = decode_r_type(insn);
[INFO] [stderr]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rs1`
[INFO] [stderr]    --> src/main.rs:446:23
[INFO] [stderr]     |
[INFO] [stderr] 446 |             let (imm, rs1, funct3, rd) = decode_i_type(insn);
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rs1`
[INFO] [stderr]    --> src/main.rs:460:23
[INFO] [stderr]     |
[INFO] [stderr] 460 |             let (imm, rs1, funct3, rd) = decode_i_type(insn);
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_rs1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/elf.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |                     Err(err) => println!("Failed to write to addr 0x{:X}", section.shdr.addr + i),
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `fpr`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fpr: [u64; 32], // TODO: currently unused
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `spr`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     spr: [u64; 4096],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_sb_type`
[INFO] [stderr]    --> src/main.rs:191:4
[INFO] [stderr]     |
[INFO] [stderr] 191 | fn decode_sb_type(insn: u32) -> (i16, usize, usize, u8)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_uj_type`
[INFO] [stderr]    --> src/main.rs:213:4
[INFO] [stderr]     |
[INFO] [stderr] 213 | fn decode_uj_type(insn: u32) -> (u32, usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_cr_type`
[INFO] [stderr]    --> src/main.rs:225:4
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn decode_cr_type(insn: u32) -> (u8, usize, usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_ci_type`
[INFO] [stderr]    --> src/main.rs:234:4
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn decode_ci_type(insn: u32) -> (u8, i16, usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_css_type`
[INFO] [stderr]    --> src/main.rs:246:4
[INFO] [stderr]     |
[INFO] [stderr] 246 | fn decode_css_type(insn: u32) -> (u8, i16, usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_ciw_type`
[INFO] [stderr]    --> src/main.rs:255:4
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn decode_ciw_type(insn: u32) -> (u8, i16, usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_cl_type`
[INFO] [stderr]    --> src/main.rs:264:4
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn decode_cl_type(insn: u32) -> (u8, i16, usize, usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_cs_type`
[INFO] [stderr]    --> src/main.rs:277:4
[INFO] [stderr]     |
[INFO] [stderr] 277 | fn decode_cs_type(insn: u32) -> (u8, i16, usize, usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_cb_type`
[INFO] [stderr]    --> src/main.rs:283:4
[INFO] [stderr]     |
[INFO] [stderr] 283 | fn decode_cb_type(insn: u32) -> (u8, i16, usize)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_cj_type`
[INFO] [stderr]    --> src/main.rs:295:4
[INFO] [stderr]     |
[INFO] [stderr] 295 | fn decode_cj_type(insn: u32) -> (u8, i16)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/riscv_sim-61d17010058e7db4
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81bdd74cda90b306f480c339eb17f077e48de33bf6061871d2daa6f7b8a97acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81bdd74cda90b306f480c339eb17f077e48de33bf6061871d2daa6f7b8a97acd", kill_on_drop: false }`
[INFO] [stdout] 81bdd74cda90b306f480c339eb17f077e48de33bf6061871d2daa6f7b8a97acd
