[INFO] updating cached repository foophoof/rvasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/foophoof/rvasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/foophoof/rvasm" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/foophoof/rvasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/foophoof/rvasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/foophoof/rvasm" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/foophoof/rvasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/foophoof/rvasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9604c16baad6eac294f4c31d5b3c0127bad1bae
[INFO] sha for GitHub repo foophoof/rvasm: e9604c16baad6eac294f4c31d5b3c0127bad1bae
[INFO] validating manifest of foophoof/rvasm on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of foophoof/rvasm on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing foophoof/rvasm
[INFO] finished frobbing foophoof/rvasm
[INFO] frobbed toml for foophoof/rvasm written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/foophoof/rvasm/Cargo.toml
[INFO] started frobbing foophoof/rvasm
[INFO] finished frobbing foophoof/rvasm
[INFO] frobbed toml for foophoof/rvasm written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/foophoof/rvasm/Cargo.toml
[INFO] crate foophoof/rvasm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking foophoof/rvasm against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/foophoof/rvasm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c9aac1b222d9de9a379765d8cf7f944150ea3765e838ca41c9658ecfe21b21d5
[INFO] running `"docker" "start" "-a" "c9aac1b222d9de9a379765d8cf7f944150ea3765e838ca41c9658ecfe21b21d5"`
[INFO] [stderr]     Checking rvasm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `IResult`
[INFO] [stderr]  --> src/parser.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | use nom::{IResult, space, digit};
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IResult`
[INFO] [stderr]  --> src/parser.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | use nom::{IResult, space, digit};
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `R`
[INFO] [stderr]  --> src/encoding.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct R {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `S`
[INFO] [stderr]   --> src/encoding.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct S {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SB`
[INFO] [stderr]   --> src/encoding.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct SB {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U`
[INFO] [stderr]   --> src/encoding.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct U {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `UJ`
[INFO] [stderr]   --> src/encoding.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub struct UJ {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_opcode`
[INFO] [stderr]   --> src/encoding.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn get_opcode(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_rd`
[INFO] [stderr]   --> src/encoding.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn get_rd(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_rs1`
[INFO] [stderr]   --> src/encoding.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub fn get_rs1(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_rs2`
[INFO] [stderr]   --> src/encoding.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn get_rs2(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_rs2`
[INFO] [stderr]   --> src/encoding.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn set_rs2(rs2: u8) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_funct3`
[INFO] [stderr]   --> src/encoding.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn get_funct3(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_funct7`
[INFO] [stderr]   --> src/encoding.rs:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn get_funct7(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_funct7`
[INFO] [stderr]   --> src/encoding.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn set_funct7(funct7: u8) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn parse(instruction: u32) -> R {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn parse(instruction: u32) -> I {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn parse(instruction: u32) -> S {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn parse(instruction: u32) -> SB {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn parse(instruction: u32) -> U {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn parse(instruction: u32) -> UJ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `R`
[INFO] [stderr]  --> src/encoding.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct R {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `S`
[INFO] [stderr]   --> src/encoding.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct S {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SB`
[INFO] [stderr]   --> src/encoding.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct SB {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U`
[INFO] [stderr]   --> src/encoding.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct U {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `UJ`
[INFO] [stderr]   --> src/encoding.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub struct UJ {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_opcode`
[INFO] [stderr]   --> src/encoding.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn get_opcode(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_rd`
[INFO] [stderr]   --> src/encoding.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn get_rd(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_rs1`
[INFO] [stderr]   --> src/encoding.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub fn get_rs1(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_rs2`
[INFO] [stderr]   --> src/encoding.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn get_rs2(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_rs2`
[INFO] [stderr]   --> src/encoding.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn set_rs2(rs2: u8) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_funct3`
[INFO] [stderr]   --> src/encoding.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn get_funct3(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_funct7`
[INFO] [stderr]   --> src/encoding.rs:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn get_funct7(instruction: u32) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_funct7`
[INFO] [stderr]   --> src/encoding.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn set_funct7(funct7: u8) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn parse(instruction: u32) -> R {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn parse(instruction: u32) -> I {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn parse(instruction: u32) -> S {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn parse(instruction: u32) -> SB {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn parse(instruction: u32) -> U {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]    --> src/encoding.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn parse(instruction: u32) -> UJ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_raw`
[INFO] [stderr]    --> src/encoding.rs:219:5
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn to_raw(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "c9aac1b222d9de9a379765d8cf7f944150ea3765e838ca41c9658ecfe21b21d5"`
[INFO] running `"docker" "rm" "-f" "c9aac1b222d9de9a379765d8cf7f944150ea3765e838ca41c9658ecfe21b21d5"`
[INFO] [stdout] c9aac1b222d9de9a379765d8cf7f944150ea3765e838ca41c9658ecfe21b21d5