[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/beta-1.38-1/sources/1.37.0/gh/racr-rust/racr-compose"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/racr-rust/racr-compose'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/racr-rust/racr-compose" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/racr-rust/racr-compose"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of racr-rust/racr-compose on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing racr-rust/racr-compose against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/racr-rust/racr-compose:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 98ae6479f60978b480fd88015cac287ce21cbd541d5547a68c8e254830a4998b
[INFO] running `"docker" "start" "-a" "98ae6479f60978b480fd88015cac287ce21cbd541d5547a68c8e254830a4998b"`
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling racr v0.1.0 (https://github.com/kjetilkjeka/racr-format.git?rev=df008cef8f77d59b16085a1b8fce7fe7bae4e21b#df008cef)
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling xmltree v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling svd-parser v0.7.0 (https://github.com/japaric/svd.git#27257223)
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 40.77s
[INFO] running `"docker" "inspect" "98ae6479f60978b480fd88015cac287ce21cbd541d5547a68c8e254830a4998b"`
[INFO] running `"docker" "rm" "-f" "98ae6479f60978b480fd88015cac287ce21cbd541d5547a68c8e254830a4998b"`
[INFO] [stdout] 98ae6479f60978b480fd88015cac287ce21cbd541d5547a68c8e254830a4998b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/racr-rust/racr-compose:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 589a6de5919cb96c2a9ad72a8068c33ef71a06b88a34a3ab69b63ee17d41c01b
[INFO] running `"docker" "start" "-a" "589a6de5919cb96c2a9ad72a8068c33ef71a06b88a34a3ab69b63ee17d41c01b"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "589a6de5919cb96c2a9ad72a8068c33ef71a06b88a34a3ab69b63ee17d41c01b"`
[INFO] running `"docker" "rm" "-f" "589a6de5919cb96c2a9ad72a8068c33ef71a06b88a34a3ab69b63ee17d41c01b"`
[INFO] [stdout] 589a6de5919cb96c2a9ad72a8068c33ef71a06b88a34a3ab69b63ee17d41c01b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/racr-rust/racr-compose:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b918009a93b940a07a49adf04e135c6305d1c5077afce59b7e271d106e245a6c
[INFO] running `"docker" "start" "-a" "b918009a93b940a07a49adf04e135c6305d1c5077afce59b7e271d106e245a6c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/racr_compose-24d69bfa8c70ad9c
[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" "b918009a93b940a07a49adf04e135c6305d1c5077afce59b7e271d106e245a6c"`
[INFO] running `"docker" "rm" "-f" "b918009a93b940a07a49adf04e135c6305d1c5077afce59b7e271d106e245a6c"`
[INFO] [stdout] b918009a93b940a07a49adf04e135c6305d1c5077afce59b7e271d106e245a6c