[INFO] updating cached repository bcko/acr-cleaner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bcko/acr-cleaner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bcko/acr-cleaner" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bcko/acr-cleaner"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bcko/acr-cleaner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bcko/acr-cleaner" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bcko/acr-cleaner"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bcko/acr-cleaner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea6276fcfadbfb1708dbe353224bc6960af8f73d
[INFO] sha for GitHub repo bcko/acr-cleaner: ea6276fcfadbfb1708dbe353224bc6960af8f73d
[INFO] validating manifest of bcko/acr-cleaner on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bcko/acr-cleaner on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bcko/acr-cleaner
[INFO] finished frobbing bcko/acr-cleaner
[INFO] frobbed toml for bcko/acr-cleaner written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bcko/acr-cleaner/Cargo.toml
[INFO] started frobbing bcko/acr-cleaner
[INFO] finished frobbing bcko/acr-cleaner
[INFO] frobbed toml for bcko/acr-cleaner written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bcko/acr-cleaner/Cargo.toml
[INFO] crate bcko/acr-cleaner already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bcko/acr-cleaner against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bcko/acr-cleaner:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 50613c50d02914a37d295b9e83aca6ec579b7a71fbd4fa9f8e2575559d40f876
[INFO] running `"docker" "start" "-a" "50613c50d02914a37d295b9e83aca6ec579b7a71fbd4fa9f8e2575559d40f876"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking acr-cleaner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `az_acr_delete_output`
[INFO] [stderr]   --> src/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let az_acr_delete_output = Command::new("az")
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_az_acr_delete_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `az_acr_delete_output`
[INFO] [stderr]   --> src/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let az_acr_delete_output = Command::new("az")
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_az_acr_delete_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "50613c50d02914a37d295b9e83aca6ec579b7a71fbd4fa9f8e2575559d40f876"`
[INFO] running `"docker" "rm" "-f" "50613c50d02914a37d295b9e83aca6ec579b7a71fbd4fa9f8e2575559d40f876"`
[INFO] [stdout] 50613c50d02914a37d295b9e83aca6ec579b7a71fbd4fa9f8e2575559d40f876