[INFO] cloning repository jD91mZM2/rust-import
[INFO] running `"git" "clone" "--bare" "git://github.com/jD91mZM2/rust-import.git" "work/cache/sources/gh/jD91mZM2/rust-import"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jD91mZM2/rust-import'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jD91mZM2/rust-import" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jD91mZM2/rust-import"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jD91mZM2/rust-import'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jD91mZM2/rust-import" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jD91mZM2/rust-import"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jD91mZM2/rust-import'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c41881b5202691db94864e337f96a3dddbda98b7
[INFO] sha for GitHub repo jD91mZM2/rust-import: c41881b5202691db94864e337f96a3dddbda98b7
[INFO] validating manifest of jD91mZM2/rust-import 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 jD91mZM2/rust-import 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 jD91mZM2/rust-import
[INFO] finished frobbing jD91mZM2/rust-import
[INFO] frobbed toml for jD91mZM2/rust-import written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jD91mZM2/rust-import/Cargo.toml
[INFO] started frobbing jD91mZM2/rust-import
[INFO] finished frobbing jD91mZM2/rust-import
[INFO] frobbed toml for jD91mZM2/rust-import written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jD91mZM2/rust-import/Cargo.toml
[INFO] crate jD91mZM2/rust-import 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 jD91mZM2/rust-import against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jD91mZM2/rust-import:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 9f4dbcdf67b8e440579b2ad1532eb7faad1aa07eec00e2e09794411e3c2ac4a0
[INFO] running `"docker" "start" "-a" "9f4dbcdf67b8e440579b2ad1532eb7faad1aa07eec00e2e09794411e3c2ac4a0"`
[INFO] [stderr]    Compiling cc v1.0.14
[INFO] [stderr]    Compiling bitflags v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.16
[INFO] [stderr]    Compiling syn v0.13.4
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling rust-import v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:277:29
[INFO] [stderr]     |
[INFO] [stderr] 277 |                         let mut list = &mut group.items;
[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 42.13s
[INFO] running `"docker" "inspect" "9f4dbcdf67b8e440579b2ad1532eb7faad1aa07eec00e2e09794411e3c2ac4a0"`
[INFO] running `"docker" "rm" "-f" "9f4dbcdf67b8e440579b2ad1532eb7faad1aa07eec00e2e09794411e3c2ac4a0"`
[INFO] [stdout] 9f4dbcdf67b8e440579b2ad1532eb7faad1aa07eec00e2e09794411e3c2ac4a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jD91mZM2/rust-import:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c0c0a132868bbf0d8662e39bd3691b2d98274706cc468ce5f60226a53c5a7512
[INFO] running `"docker" "start" "-a" "c0c0a132868bbf0d8662e39bd3691b2d98274706cc468ce5f60226a53c5a7512"`
[INFO] [stderr]    Compiling rust-import v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:277:29
[INFO] [stderr]     |
[INFO] [stderr] 277 |                         let mut list = &mut group.items;
[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 1.64s
[INFO] running `"docker" "inspect" "c0c0a132868bbf0d8662e39bd3691b2d98274706cc468ce5f60226a53c5a7512"`
[INFO] running `"docker" "rm" "-f" "c0c0a132868bbf0d8662e39bd3691b2d98274706cc468ce5f60226a53c5a7512"`
[INFO] [stdout] c0c0a132868bbf0d8662e39bd3691b2d98274706cc468ce5f60226a53c5a7512
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jD91mZM2/rust-import:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 4386355e1fbc44574d02a473a4c86cd9d369e28cd441f2ec72bfe81058e4147b
[INFO] running `"docker" "start" "-a" "4386355e1fbc44574d02a473a4c86cd9d369e28cd441f2ec72bfe81058e4147b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_import-f87c807d7d841689
[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" "4386355e1fbc44574d02a473a4c86cd9d369e28cd441f2ec72bfe81058e4147b"`
[INFO] running `"docker" "rm" "-f" "4386355e1fbc44574d02a473a4c86cd9d369e28cd441f2ec72bfe81058e4147b"`
[INFO] [stdout] 4386355e1fbc44574d02a473a4c86cd9d369e28cd441f2ec72bfe81058e4147b