[INFO] updating cached repository workingJ/lf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/workingJ/lf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/workingJ/lf" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/workingJ/lf"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/workingJ/lf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/workingJ/lf" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/workingJ/lf"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/workingJ/lf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe9e913227523b830d836e1bc83a3e5a43cd9445
[INFO] sha for GitHub repo workingJ/lf: fe9e913227523b830d836e1bc83a3e5a43cd9445
[INFO] validating manifest of workingJ/lf 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 workingJ/lf 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 workingJ/lf
[INFO] finished frobbing workingJ/lf
[INFO] frobbed toml for workingJ/lf written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/workingJ/lf/Cargo.toml
[INFO] started frobbing workingJ/lf
[INFO] finished frobbing workingJ/lf
[INFO] frobbed toml for workingJ/lf written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/workingJ/lf/Cargo.toml
[INFO] crate workingJ/lf 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 workingJ/lf against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/workingJ/lf:/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] ecbaf99c21a4dfbe45c536f3f94d24ab2ba618b1d0b8b269d9254edb21d36469
[INFO] running `"docker" "start" "-a" "ecbaf99c21a4dfbe45c536f3f94d24ab2ba618b1d0b8b269d9254edb21d36469"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking lf v0.6.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `i` is assigned to, but never used
[INFO] [stderr]   --> src/functions.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut i: usize = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `i` is assigned to, but never used
[INFO] [stderr]   --> src/functions.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut i: usize = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/functions.rs:316:13
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let mut name = file
[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/functions.rs:337:13
[INFO] [stderr]     |
[INFO] [stderr] 337 |         let mut name = file
[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/functions.rs:316:13
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let mut name = file
[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/functions.rs:337:13
[INFO] [stderr]     |
[INFO] [stderr] 337 |         let mut name = file
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 44.87s
[INFO] running `"docker" "inspect" "ecbaf99c21a4dfbe45c536f3f94d24ab2ba618b1d0b8b269d9254edb21d36469"`
[INFO] running `"docker" "rm" "-f" "ecbaf99c21a4dfbe45c536f3f94d24ab2ba618b1d0b8b269d9254edb21d36469"`
[INFO] [stdout] ecbaf99c21a4dfbe45c536f3f94d24ab2ba618b1d0b8b269d9254edb21d36469