[INFO] updating cached repository AgustinCB/ruthless
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AgustinCB/ruthless
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AgustinCB/ruthless" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/AgustinCB/ruthless"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/AgustinCB/ruthless'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AgustinCB/ruthless" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/AgustinCB/ruthless"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/AgustinCB/ruthless'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7be077e447a57a1740ce2340630da6d2c5c67b67
[INFO] sha for GitHub repo AgustinCB/ruthless: 7be077e447a57a1740ce2340630da6d2c5c67b67
[INFO] validating manifest of AgustinCB/ruthless on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AgustinCB/ruthless on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AgustinCB/ruthless
[INFO] finished frobbing AgustinCB/ruthless
[INFO] frobbed toml for AgustinCB/ruthless written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/AgustinCB/ruthless/Cargo.toml
[INFO] started frobbing AgustinCB/ruthless
[INFO] finished frobbing AgustinCB/ruthless
[INFO] frobbed toml for AgustinCB/ruthless written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/AgustinCB/ruthless/Cargo.toml
[INFO] crate AgustinCB/ruthless already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AgustinCB/ruthless against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-3/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/AgustinCB/ruthless:/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4f0ef5779becc31d0a248be239b314188916a428e245c038261fcb0d025de816
[INFO] running `"docker" "start" "-a" "4f0ef5779becc31d0a248be239b314188916a428e245c038261fcb0d025de816"`
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tar v0.4.22
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking ruthless v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]    --> src/main.rs:130:19
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn export_command(image: &str, tarball: &str) -> Result<(), Error> {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tarball`
[INFO] [stderr]    --> src/main.rs:130:32
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn export_command(image: &str, tarball: &str) -> Result<(), Error> {
[INFO] [stderr]     |                                ^^^^^^^ help: consider prefixing with an underscore: `_tarball`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]    --> src/main.rs:130:19
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn export_command(image: &str, tarball: &str) -> Result<(), Error> {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tarball`
[INFO] [stderr]    --> src/main.rs:130:32
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn export_command(image: &str, tarball: &str) -> Result<(), Error> {
[INFO] [stderr]     |                                ^^^^^^^ help: consider prefixing with an underscore: `_tarball`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.32s
[INFO] running `"docker" "inspect" "4f0ef5779becc31d0a248be239b314188916a428e245c038261fcb0d025de816"`
[INFO] running `"docker" "rm" "-f" "4f0ef5779becc31d0a248be239b314188916a428e245c038261fcb0d025de816"`
[INFO] [stdout] 4f0ef5779becc31d0a248be239b314188916a428e245c038261fcb0d025de816