[INFO] updating cached repository sdmcode/i_v
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sdmcode/i_v
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sdmcode/i_v" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sdmcode/i_v"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sdmcode/i_v'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sdmcode/i_v" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sdmcode/i_v"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sdmcode/i_v'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa8d4e6cdb581bf2efdd11c8e86e84f3051f9ac3
[INFO] sha for GitHub repo sdmcode/i_v: aa8d4e6cdb581bf2efdd11c8e86e84f3051f9ac3
[INFO] validating manifest of sdmcode/i_v on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sdmcode/i_v on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sdmcode/i_v
[INFO] finished frobbing sdmcode/i_v
[INFO] frobbed toml for sdmcode/i_v written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sdmcode/i_v/Cargo.toml
[INFO] started frobbing sdmcode/i_v
[INFO] finished frobbing sdmcode/i_v
[INFO] frobbed toml for sdmcode/i_v written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sdmcode/i_v/Cargo.toml
[INFO] crate sdmcode/i_v already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sdmcode/i_v against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sdmcode/i_v:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f4096ac027fb3790a4b2dffa97acbe4916482973470db6a0570dc54c8081138
[INFO] running `"docker" "start" "-a" "3f4096ac027fb3790a4b2dffa97acbe4916482973470db6a0570dc54c8081138"`
[INFO] [stderr]     Checking i_v v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stderr]   --> src/repl/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use compiler::parser::ParseResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stderr]   --> src/repl/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use compiler::parser::ParseResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/compiler/parser.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         return cmp;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:828:9
[INFO] [stderr]     |
[INFO] [stderr] 828 |         return ParseResult::Failed("lol".to_string())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/compiler/parser.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         return cmp;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:828:9
[INFO] [stderr]     |
[INFO] [stderr] 828 |         return ParseResult::Failed("lol".to_string())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/compiler/parser.rs:562:81
[INFO] [stderr]     |
[INFO] [stderr] 562 |                                         ExpressionType::LiteralExpression(name, v) => {
[INFO] [stderr]     |                                                                                 ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ident` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |         let mut ident = String::new();
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `name` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:688:25
[INFO] [stderr]     |
[INFO] [stderr] 688 |                 let mut name = String::new();
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/compiler/parser.rs:834:34
[INFO] [stderr]     |
[INFO] [stderr] 834 |             ParseResult::Success(s) => {
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/compiler/parser.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stderr]     |                ----^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `skip`
[INFO] [stderr]    --> src/compiler/mod.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn skip(&mut self, num: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/compiler/parser.rs:562:81
[INFO] [stderr]     |
[INFO] [stderr] 562 |                                         ExpressionType::LiteralExpression(name, v) => {
[INFO] [stderr]     |                                                                                 ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ident` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |         let mut ident = String::new();
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `name` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:688:25
[INFO] [stderr]     |
[INFO] [stderr] 688 |                 let mut name = String::new();
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/compiler/parser.rs:834:34
[INFO] [stderr]     |
[INFO] [stderr] 834 |             ParseResult::Success(s) => {
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/compiler/parser.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stderr]     |                ----^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stderr]   --> src/repl/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use compiler::parser::ParseResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stderr]   --> src/repl/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use compiler::parser::ParseResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/compiler/parser.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         return cmp;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:828:9
[INFO] [stderr]     |
[INFO] [stderr] 828 |         return ParseResult::Failed("lol".to_string())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/compiler/parser.rs:562:81
[INFO] [stderr]     |
[INFO] [stderr] 562 |                                         ExpressionType::LiteralExpression(name, v) => {
[INFO] [stderr]     |                                                                                 ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ident` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |         let mut ident = String::new();
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `name` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:688:25
[INFO] [stderr]     |
[INFO] [stderr] 688 |                 let mut name = String::new();
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/compiler/parser.rs:834:34
[INFO] [stderr]     |
[INFO] [stderr] 834 |             ParseResult::Success(s) => {
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/compiler/parser.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         return cmp;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:828:9
[INFO] [stderr]     |
[INFO] [stderr] 828 |         return ParseResult::Failed("lol".to_string())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/compiler/parser.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stderr]     |                ----^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `skip`
[INFO] [stderr]    --> src/compiler/mod.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn skip(&mut self, num: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/compiler/parser.rs:562:81
[INFO] [stderr]     |
[INFO] [stderr] 562 |                                         ExpressionType::LiteralExpression(name, v) => {
[INFO] [stderr]     |                                                                                 ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ident` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |         let mut ident = String::new();
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `name` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:688:25
[INFO] [stderr]     |
[INFO] [stderr] 688 |                 let mut name = String::new();
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/compiler/parser.rs:834:34
[INFO] [stderr]     |
[INFO] [stderr] 834 |             ParseResult::Success(s) => {
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/compiler/parser.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stderr]     |                ----^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "3f4096ac027fb3790a4b2dffa97acbe4916482973470db6a0570dc54c8081138"`
[INFO] running `"docker" "rm" "-f" "3f4096ac027fb3790a4b2dffa97acbe4916482973470db6a0570dc54c8081138"`
[INFO] [stdout] 3f4096ac027fb3790a4b2dffa97acbe4916482973470db6a0570dc54c8081138