[INFO] updating cached repository racr-rust/racr-compose
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/racr-rust/racr-compose
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/racr-rust/racr-compose" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/racr-rust/racr-compose"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/racr-rust/racr-compose'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/racr-rust/racr-compose" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/racr-rust/racr-compose"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/racr-rust/racr-compose'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fae7179bad6c87a74eaf220657b21b728a8b899
[INFO] sha for GitHub repo racr-rust/racr-compose: 2fae7179bad6c87a74eaf220657b21b728a8b899
[INFO] validating manifest of racr-rust/racr-compose 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 racr-rust/racr-compose 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 racr-rust/racr-compose
[INFO] finished frobbing racr-rust/racr-compose
[INFO] frobbed toml for racr-rust/racr-compose written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/racr-rust/racr-compose/Cargo.toml
[INFO] started frobbing racr-rust/racr-compose
[INFO] finished frobbing racr-rust/racr-compose
[INFO] frobbed toml for racr-rust/racr-compose written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/racr-rust/racr-compose/Cargo.toml
[INFO] crate racr-rust/racr-compose 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking racr-rust/racr-compose against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/racr-rust/racr-compose:/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] 2c97e6d469fe22ea5f3d8cfd665b7bbcc0fceb0d894331a7b2c16abac671f23c
[INFO] running `"docker" "start" "-a" "2c97e6d469fe22ea5f3d8cfd665b7bbcc0fceb0d894331a7b2c16abac671f23c"`
[INFO] [stderr]     Checking racr v0.1.0 (https://github.com/kjetilkjeka/racr-format.git?rev=df008cef8f77d59b16085a1b8fce7fe7bae4e21b#df008cef)
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]     Checking xmltree v0.3.2
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking svd-parser v0.7.0 (https://github.com/japaric/svd.git#27257223)
[INFO] [stderr]     Checking racr-compose v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Arg,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Arg,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.20s
[INFO] running `"docker" "inspect" "2c97e6d469fe22ea5f3d8cfd665b7bbcc0fceb0d894331a7b2c16abac671f23c"`
[INFO] running `"docker" "rm" "-f" "2c97e6d469fe22ea5f3d8cfd665b7bbcc0fceb0d894331a7b2c16abac671f23c"`
[INFO] [stdout] 2c97e6d469fe22ea5f3d8cfd665b7bbcc0fceb0d894331a7b2c16abac671f23c