[INFO] updating cached repository mtn/silver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mtn/silver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mtn/silver" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mtn/silver"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mtn/silver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mtn/silver" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mtn/silver"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mtn/silver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 895c666723d96cf42655ef713ff9893b25f10b3c [INFO] sha for GitHub repo mtn/silver: 895c666723d96cf42655ef713ff9893b25f10b3c [INFO] validating manifest of mtn/silver on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mtn/silver on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mtn/silver [INFO] finished frobbing mtn/silver [INFO] frobbed toml for mtn/silver written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mtn/silver/Cargo.toml [INFO] started frobbing mtn/silver [INFO] finished frobbing mtn/silver [INFO] frobbed toml for mtn/silver written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mtn/silver/Cargo.toml [INFO] crate mtn/silver already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mtn/silver against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mtn/silver:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2d6f14301449154e0a82673646b729ea5dea181bd289ccb6583a9a2e0fc688ce [INFO] running `"docker" "start" "-a" "2d6f14301449154e0a82673646b729ea5dea181bd289ccb6583a9a2e0fc688ce"` [INFO] [stderr] Checking silver v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:331:13 [INFO] [stderr] | [INFO] [stderr] 331 | let mut lexer = lexer::Lexer::new(inp); [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: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:344:13 [INFO] [stderr] | [INFO] [stderr] 344 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:366:13 [INFO] [stderr] | [INFO] [stderr] 366 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:385:13 [INFO] [stderr] | [INFO] [stderr] 385 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:406:13 [INFO] [stderr] | [INFO] [stderr] 406 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:430:13 [INFO] [stderr] | [INFO] [stderr] 430 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:451:13 [INFO] [stderr] | [INFO] [stderr] 451 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:487:13 [INFO] [stderr] | [INFO] [stderr] 487 | let mut lexer = lexer::Lexer::new(inp); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `"docker" "inspect" "2d6f14301449154e0a82673646b729ea5dea181bd289ccb6583a9a2e0fc688ce"` [INFO] running `"docker" "rm" "-f" "2d6f14301449154e0a82673646b729ea5dea181bd289ccb6583a9a2e0fc688ce"` [INFO] [stdout] 2d6f14301449154e0a82673646b729ea5dea181bd289ccb6583a9a2e0fc688ce