[INFO] crate asciimath 0.8.3 is already in cache
[INFO] extracting crate asciimath 0.8.3 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/asciimath/0.8.3
[INFO] extracting crate asciimath 0.8.3 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/asciimath/0.8.3
[INFO] validating manifest of asciimath-0.8.3 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of asciimath-0.8.3 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing asciimath-0.8.3
[INFO] finished frobbing asciimath-0.8.3
[INFO] frobbed toml for asciimath-0.8.3 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/asciimath/0.8.3/Cargo.toml
[INFO] started frobbing asciimath-0.8.3
[INFO] finished frobbing asciimath-0.8.3
[INFO] frobbed toml for asciimath-0.8.3 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/asciimath/0.8.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking asciimath-0.8.3 against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-1/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/asciimath/0.8.3:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 47c8ba9a66e7ab5f417d19c896604827f5bc48e4e34ca027397e1b5b4b288ad7
[INFO] running `"docker" "start" "-a" "47c8ba9a66e7ab5f417d19c896604827f5bc48e4e34ca027397e1b5b4b288ad7"`
[INFO] [stderr]     Checking asciimath v0.8.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lexer/tests.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let mut scope = scope!{ "x" => 0 };
[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 imports: `Evaluate`, `compile`
[INFO] [stderr]  --> tests/lib.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use self::asciimath::{compile, eval, CustomFn, Error, Evaluate, Scope};
[INFO] [stderr]   |                       ^^^^^^^                         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Evaluate`, `compile`
[INFO] [stderr]  --> tests/lib.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use self::asciimath::{compile, eval, CustomFn, Error, Evaluate, Scope};
[INFO] [stderr]   |                       ^^^^^^^                         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "47c8ba9a66e7ab5f417d19c896604827f5bc48e4e34ca027397e1b5b4b288ad7"`
[INFO] running `"docker" "rm" "-f" "47c8ba9a66e7ab5f417d19c896604827f5bc48e4e34ca027397e1b5b4b288ad7"`
[INFO] [stdout] 47c8ba9a66e7ab5f417d19c896604827f5bc48e4e34ca027397e1b5b4b288ad7