[INFO] updating cached repository https://github.com/Soya-Onishi/rust-riscv
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/Soya-Onishi/rust-riscv
[INFO] [stderr]    2df594a..fcbfd78  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fcbfd7874abe725132a0611da0ef5bd9c45acced
[INFO] checking Soya-Onishi/rust-riscv against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoya-Onishi%2Frust-riscv" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Soya-Onishi/rust-riscv on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Soya-Onishi/rust-riscv
[INFO] finished tweaking git repo https://github.com/Soya-Onishi/rust-riscv
[INFO] tweaked toml for git repo https://github.com/Soya-Onishi/rust-riscv written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/Soya-Onishi/rust-bitwise.git`
[INFO] [stderr]     Updating git repository `https://github.com/Soya-Onishi/elf_reader.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2783928b6c9eaec7f6fef191f747c013fd2e1f0601da9587411ecebaa0aa8972
[INFO] running `"docker" "start" "-a" "2783928b6c9eaec7f6fef191f747c013fd2e1f0601da9587411ecebaa0aa8972"`
[INFO] [stderr]     Checking bitwise v0.1.0 (https://github.com/Soya-Onishi/rust-bitwise.git#9b65bf9d)
[INFO] [stderr]     Checking elf-reader v0.1.0 (https://github.com/Soya-Onishi/elf_reader.git#a4064073)
[INFO] [stderr]     Checking rust-riscv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/core/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/util/instruction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/util/instruction.rs:513:20
[INFO] [stderr]     |
[INFO] [stderr] 513 |         let mask = ((BigInt::new(Sign::Plus, vec![1]) << 32) - 1);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/util/status.rs:124:30
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     for i in (index..index + 16) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/util/instruction.rs:431:21
[INFO] [stderr]     |
[INFO] [stderr] 431 |     fn fence(&self, status: &mut Status) -> Result<(), Error> { Ok(()) }
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_status`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/util/instruction.rs:445:22
[INFO] [stderr]     |
[INFO] [stderr] 445 |     fn ebreak(&self, status: &mut Status) -> Result<(), Error> { Ok(()) }
[INFO] [stderr]     |                      ^^^^^^ help: consider prefixing with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]   --> src/core/mod.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn start(&mut self, pc: Bit) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `funct3`
[INFO] [stderr]    --> src/util/instruction.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn funct3(&self) -> Result<Bit, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `funct7`
[INFO] [stderr]    --> src/util/instruction.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn funct7(&self) -> Result<Bit, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_memory`
[INFO] [stderr]    --> src/util/status.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn dump_memory(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/util/instruction.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         status.write_reg_value(next_pc, self.rd()?);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/core/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/util/instruction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/util/instruction.rs:513:20
[INFO] [stderr]     |
[INFO] [stderr] 513 |         let mask = ((BigInt::new(Sign::Plus, vec![1]) << 32) - 1);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/util/instruction.rs:651:22
[INFO] [stderr]     |
[INFO] [stderr] 651 |             sign_ext((bit20 | bit19_12 | bit11 | bit10_1), 20)
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/util/status.rs:124:30
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     for i in (index..index + 16) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]    --> src/util/status.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     use std::collections::HashMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/util/instruction.rs:431:21
[INFO] [stderr]     |
[INFO] [stderr] 431 |     fn fence(&self, status: &mut Status) -> Result<(), Error> { Ok(()) }
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_status`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]    --> src/util/instruction.rs:445:22
[INFO] [stderr]     |
[INFO] [stderr] 445 |     fn ebreak(&self, status: &mut Status) -> Result<(), Error> { Ok(()) }
[INFO] [stderr]     |                      ^^^^^^ help: consider prefixing with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]   --> src/core/mod.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn start(&mut self, pc: Bit) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_memory`
[INFO] [stderr]    --> src/util/status.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn dump_memory(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/util/instruction.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         status.write_reg_value(next_pc, self.rd()?);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/util/status.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             status.write_reg_value(value.clone(), index.clone());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "2783928b6c9eaec7f6fef191f747c013fd2e1f0601da9587411ecebaa0aa8972"`
[INFO] running `"docker" "rm" "-f" "2783928b6c9eaec7f6fef191f747c013fd2e1f0601da9587411ecebaa0aa8972"`
[INFO] [stdout] 2783928b6c9eaec7f6fef191f747c013fd2e1f0601da9587411ecebaa0aa8972