[INFO] cloning repository acheronfail/di
[INFO] running `"git" "clone" "--bare" "git://github.com/acheronfail/di.git" "work/cache/sources/gh/acheronfail/di"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/acheronfail/di'...
[INFO] running `"git" "clone" "work/cache/sources/gh/acheronfail/di" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/acheronfail/di"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/acheronfail/di'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/acheronfail/di" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/acheronfail/di"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/acheronfail/di'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fab48f2821167d048d7f14addf47123c6e5ef555
[INFO] sha for GitHub repo acheronfail/di: fab48f2821167d048d7f14addf47123c6e5ef555
[INFO] validating manifest of acheronfail/di 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 acheronfail/di 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 acheronfail/di
[INFO] finished frobbing acheronfail/di
[INFO] frobbed toml for acheronfail/di written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/acheronfail/di/Cargo.toml
[INFO] started frobbing acheronfail/di
[INFO] finished frobbing acheronfail/di
[INFO] frobbed toml for acheronfail/di written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/acheronfail/di/Cargo.toml
[INFO] crate acheronfail/di 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing acheronfail/di against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/acheronfail/di:/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] 086b54784a4af4cb4c450afc641d6b05db818d79dc51a71697b5835089c24264
[INFO] running `"docker" "start" "-a" "086b54784a4af4cb4c450afc641d6b05db818d79dc51a71697b5835089c24264"`
[INFO] [stderr]    Compiling pretty-bytes v0.2.2
[INFO] [stderr]    Compiling globset v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling ignore v0.4.2
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling di v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/scan.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |         for (i, (mut path, metadata)) in rx.into_iter().enumerate() {
[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 18.83s
[INFO] running `"docker" "inspect" "086b54784a4af4cb4c450afc641d6b05db818d79dc51a71697b5835089c24264"`
[INFO] running `"docker" "rm" "-f" "086b54784a4af4cb4c450afc641d6b05db818d79dc51a71697b5835089c24264"`
[INFO] [stdout] 086b54784a4af4cb4c450afc641d6b05db818d79dc51a71697b5835089c24264
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/acheronfail/di:/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] 069c510e5e281e1f97883545d52ace7f73191345cc9f1cd57a54f0bad6b1a7de
[INFO] running `"docker" "start" "-a" "069c510e5e281e1f97883545d52ace7f73191345cc9f1cd57a54f0bad6b1a7de"`
[INFO] [stderr]    Compiling di v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/scan.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |         for (i, (mut path, metadata)) in rx.into_iter().enumerate() {
[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 1.65s
[INFO] running `"docker" "inspect" "069c510e5e281e1f97883545d52ace7f73191345cc9f1cd57a54f0bad6b1a7de"`
[INFO] running `"docker" "rm" "-f" "069c510e5e281e1f97883545d52ace7f73191345cc9f1cd57a54f0bad6b1a7de"`
[INFO] [stdout] 069c510e5e281e1f97883545d52ace7f73191345cc9f1cd57a54f0bad6b1a7de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/acheronfail/di:/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] d4c6864f18e07e2d54dc904f4c10b32a0eb80a0eb90a04d6a8e0fa2dbaecb631
[INFO] running `"docker" "start" "-a" "d4c6864f18e07e2d54dc904f4c10b32a0eb80a0eb90a04d6a8e0fa2dbaecb631"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/di-4ded8281ad39da30
[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" "d4c6864f18e07e2d54dc904f4c10b32a0eb80a0eb90a04d6a8e0fa2dbaecb631"`
[INFO] running `"docker" "rm" "-f" "d4c6864f18e07e2d54dc904f4c10b32a0eb80a0eb90a04d6a8e0fa2dbaecb631"`
[INFO] [stdout] d4c6864f18e07e2d54dc904f4c10b32a0eb80a0eb90a04d6a8e0fa2dbaecb631