[INFO] cloning repository ElectricCoffee/word_generator
[INFO] running `"git" "clone" "--bare" "git://github.com/ElectricCoffee/word_generator.git" "work/cache/sources/gh/ElectricCoffee/word_generator"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ElectricCoffee/word_generator'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ElectricCoffee/word_generator" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ElectricCoffee/word_generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ElectricCoffee/word_generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ElectricCoffee/word_generator" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ElectricCoffee/word_generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ElectricCoffee/word_generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8066370286e040f0e85b5648677089f10e82d6bc
[INFO] sha for GitHub repo ElectricCoffee/word_generator: 8066370286e040f0e85b5648677089f10e82d6bc
[INFO] validating manifest of ElectricCoffee/word_generator on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ElectricCoffee/word_generator on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ElectricCoffee/word_generator
[INFO] finished frobbing ElectricCoffee/word_generator
[INFO] frobbed toml for ElectricCoffee/word_generator written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ElectricCoffee/word_generator/Cargo.toml
[INFO] started frobbing ElectricCoffee/word_generator
[INFO] finished frobbing ElectricCoffee/word_generator
[INFO] frobbed toml for ElectricCoffee/word_generator written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ElectricCoffee/word_generator/Cargo.toml
[INFO] crate ElectricCoffee/word_generator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ElectricCoffee/word_generator against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ElectricCoffee/word_generator:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 9ed9aeeb69265f7d74e985e031241a6d2d298acf69e025e8f484cc87a99b8558
[INFO] running `"docker" "start" "-a" "9ed9aeeb69265f7d74e985e031241a6d2d298acf69e025e8f484cc87a99b8558"`
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling word_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let mut v = vec![$($e),*];
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 72 |     let v = seq![opt!(C), C, V, opt!(C), C, V, opt!(C)]; // generates (C)CV(C)CV(C) words
[INFO] [stderr]    |             ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `"docker" "inspect" "9ed9aeeb69265f7d74e985e031241a6d2d298acf69e025e8f484cc87a99b8558"`
[INFO] running `"docker" "rm" "-f" "9ed9aeeb69265f7d74e985e031241a6d2d298acf69e025e8f484cc87a99b8558"`
[INFO] [stdout] 9ed9aeeb69265f7d74e985e031241a6d2d298acf69e025e8f484cc87a99b8558
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ElectricCoffee/word_generator:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0275f984a633c131ebcdeaa6e5d4afc7b32807c6ed0b46feb5e4aceebae122fe
[INFO] running `"docker" "start" "-a" "0275f984a633c131ebcdeaa6e5d4afc7b32807c6ed0b46feb5e4aceebae122fe"`
[INFO] [stderr]    Compiling word_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let mut v = vec![$($e),*];
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 72 |     let v = seq![opt!(C), C, V, opt!(C), C, V, opt!(C)]; // generates (C)CV(C)CV(C) words
[INFO] [stderr]    |             ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "0275f984a633c131ebcdeaa6e5d4afc7b32807c6ed0b46feb5e4aceebae122fe"`
[INFO] running `"docker" "rm" "-f" "0275f984a633c131ebcdeaa6e5d4afc7b32807c6ed0b46feb5e4aceebae122fe"`
[INFO] [stdout] 0275f984a633c131ebcdeaa6e5d4afc7b32807c6ed0b46feb5e4aceebae122fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ElectricCoffee/word_generator:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 315d8478b462df59ab8d35f6b7ce9376a888bd86923260eefa994ab5ad7255ee
[INFO] running `"docker" "start" "-a" "315d8478b462df59ab8d35f6b7ce9376a888bd86923260eefa994ab5ad7255ee"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/word_generator-37fa5dda7b07d39f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "315d8478b462df59ab8d35f6b7ce9376a888bd86923260eefa994ab5ad7255ee"`
[INFO] running `"docker" "rm" "-f" "315d8478b462df59ab8d35f6b7ce9376a888bd86923260eefa994ab5ad7255ee"`
[INFO] [stdout] 315d8478b462df59ab8d35f6b7ce9376a888bd86923260eefa994ab5ad7255ee