[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bcko/acr-cleaner"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bcko/acr-cleaner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bcko/acr-cleaner" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bcko/acr-cleaner"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bcko/acr-cleaner on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bcko/acr-cleaner/Cargo.toml
[INFO] crate bcko/acr-cleaner has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bcko/acr-cleaner against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bcko/acr-cleaner:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 2425f03d0e8b4d83b8145fa4b0e51962ad6c1ae9c432f26f8520e37ffcc835c1
[INFO] running `"docker" "start" "-a" "2425f03d0e8b4d83b8145fa4b0e51962ad6c1ae9c432f26f8520e37ffcc835c1"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "2425f03d0e8b4d83b8145fa4b0e51962ad6c1ae9c432f26f8520e37ffcc835c1"`
[INFO] running `"docker" "rm" "-f" "2425f03d0e8b4d83b8145fa4b0e51962ad6c1ae9c432f26f8520e37ffcc835c1"`
[INFO] [stdout] 2425f03d0e8b4d83b8145fa4b0e51962ad6c1ae9c432f26f8520e37ffcc835c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bcko/acr-cleaner:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0716f62fd2af55ac70f50c868b9bd9079a353d93edf6a1fdd66fbf07ce7862b4
[INFO] running `"docker" "start" "-a" "0716f62fd2af55ac70f50c868b9bd9079a353d93edf6a1fdd66fbf07ce7862b4"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "0716f62fd2af55ac70f50c868b9bd9079a353d93edf6a1fdd66fbf07ce7862b4"`
[INFO] running `"docker" "rm" "-f" "0716f62fd2af55ac70f50c868b9bd9079a353d93edf6a1fdd66fbf07ce7862b4"`
[INFO] [stdout] 0716f62fd2af55ac70f50c868b9bd9079a353d93edf6a1fdd66fbf07ce7862b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bcko/acr-cleaner:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 8d39fc01d1f4d7b90df1e0e90c3e4428c988fa98cb95e36c423bb554dcb61a9c
[INFO] running `"docker" "start" "-a" "8d39fc01d1f4d7b90df1e0e90c3e4428c988fa98cb95e36c423bb554dcb61a9c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/acr_cleaner-82398354023df0f8
[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" "8d39fc01d1f4d7b90df1e0e90c3e4428c988fa98cb95e36c423bb554dcb61a9c"`
[INFO] running `"docker" "rm" "-f" "8d39fc01d1f4d7b90df1e0e90c3e4428c988fa98cb95e36c423bb554dcb61a9c"`
[INFO] [stdout] 8d39fc01d1f4d7b90df1e0e90c3e4428c988fa98cb95e36c423bb554dcb61a9c