[INFO] crate read_color 1.0.0 is already in cache
[INFO] extracting crate read_color 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/read_color/1.0.0
[INFO] extracting crate read_color 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/read_color/1.0.0
[INFO] validating manifest of read_color-1.0.0 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 read_color-1.0.0 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 read_color-1.0.0
[INFO] finished frobbing read_color-1.0.0
[INFO] frobbed toml for read_color-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/read_color/1.0.0/Cargo.toml
[INFO] started frobbing read_color-1.0.0
[INFO] finished frobbing read_color-1.0.0
[INFO] frobbed toml for read_color-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/read_color/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 read_color-1.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/read_color/1.0.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4141ff47e30ae8837bc46ea72bf526f9cf63fc80aa859020c45c47687a9155fb
[INFO] running `"docker" "start" "-a" "4141ff47e30ae8837bc46ea72bf526f9cf63fc80aa859020c45c47687a9155fb"`
[INFO] [stderr]    Compiling read_color v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `"docker" "inspect" "4141ff47e30ae8837bc46ea72bf526f9cf63fc80aa859020c45c47687a9155fb"`
[INFO] running `"docker" "rm" "-f" "4141ff47e30ae8837bc46ea72bf526f9cf63fc80aa859020c45c47687a9155fb"`
[INFO] [stdout] 4141ff47e30ae8837bc46ea72bf526f9cf63fc80aa859020c45c47687a9155fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/read_color/1.0.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8fc873089dcde44d6716c1a786eddb538b35177983653b7e383e15d3b39b2d78
[INFO] running `"docker" "start" "-a" "8fc873089dcde44d6716c1a786eddb538b35177983653b7e383e15d3b39b2d78"`
[INFO] [stderr]    Compiling read_color v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "8fc873089dcde44d6716c1a786eddb538b35177983653b7e383e15d3b39b2d78"`
[INFO] running `"docker" "rm" "-f" "8fc873089dcde44d6716c1a786eddb538b35177983653b7e383e15d3b39b2d78"`
[INFO] [stdout] 8fc873089dcde44d6716c1a786eddb538b35177983653b7e383e15d3b39b2d78
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/read_color/1.0.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ac2b15dbf00b2e312441b4694be260c3e1662ec2a39bab3ac779d5c3dcee8a0a
[INFO] running `"docker" "start" "-a" "ac2b15dbf00b2e312441b4694be260c3e1662ec2a39bab3ac779d5c3dcee8a0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/read_color-79cd449dc4511990
[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] [stderr]    Doc-tests read_color
[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" "ac2b15dbf00b2e312441b4694be260c3e1662ec2a39bab3ac779d5c3dcee8a0a"`
[INFO] running `"docker" "rm" "-f" "ac2b15dbf00b2e312441b4694be260c3e1662ec2a39bab3ac779d5c3dcee8a0a"`
[INFO] [stdout] ac2b15dbf00b2e312441b4694be260c3e1662ec2a39bab3ac779d5c3dcee8a0a