[INFO] crate clicolors-control 0.3.2 is already in cache
[INFO] extracting crate clicolors-control 0.3.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/clicolors-control/0.3.2
[INFO] extracting crate clicolors-control 0.3.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/clicolors-control/0.3.2
[INFO] validating manifest of clicolors-control-0.3.2 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 clicolors-control-0.3.2 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 clicolors-control-0.3.2
[INFO] finished frobbing clicolors-control-0.3.2
[INFO] frobbed toml for clicolors-control-0.3.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/clicolors-control/0.3.2/Cargo.toml
[INFO] started frobbing clicolors-control-0.3.2
[INFO] finished frobbing clicolors-control-0.3.2
[INFO] frobbed toml for clicolors-control-0.3.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/clicolors-control/0.3.2/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 clicolors-control-0.3.2 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-3/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/clicolors-control/0.3.2:/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] 5b009822b9363b5ac1af38a1a9bd748b90353858c9a627ec4d3d8b528e5b2f5c
[INFO] running `"docker" "start" "-a" "5b009822b9363b5ac1af38a1a9bd748b90353858c9a627ec4d3d8b528e5b2f5c"`
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling clicolors-control v0.3.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "5b009822b9363b5ac1af38a1a9bd748b90353858c9a627ec4d3d8b528e5b2f5c"`
[INFO] running `"docker" "rm" "-f" "5b009822b9363b5ac1af38a1a9bd748b90353858c9a627ec4d3d8b528e5b2f5c"`
[INFO] [stdout] 5b009822b9363b5ac1af38a1a9bd748b90353858c9a627ec4d3d8b528e5b2f5c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/clicolors-control/0.3.2:/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] f62e2ed053e36ad76ffbc5f6f624e790c370adb522f428da43e64be696aed49d
[INFO] running `"docker" "start" "-a" "f62e2ed053e36ad76ffbc5f6f624e790c370adb522f428da43e64be696aed49d"`
[INFO] [stderr]    Compiling clicolors-control v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0465]: multiple rlib candidates for `clicolors_control` found
[INFO] [stderr]  --> examples/demo.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate clicolors_control;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: candidate #1: /opt/crater/target/debug/deps/libclicolors_control-30a8ce1628c1919b.rlib
[INFO] [stderr]  --> examples/demo.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate clicolors_control;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: candidate #2: /opt/crater/target/debug/deps/libclicolors_control-4b65e4e2f35e99fe.rlib
[INFO] [stderr]  --> examples/demo.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate clicolors_control;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `clicolors_control`
[INFO] [stderr]  --> examples/demo.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate clicolors_control;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `clicolors-control`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f62e2ed053e36ad76ffbc5f6f624e790c370adb522f428da43e64be696aed49d"`
[INFO] running `"docker" "rm" "-f" "f62e2ed053e36ad76ffbc5f6f624e790c370adb522f428da43e64be696aed49d"`
[INFO] [stdout] f62e2ed053e36ad76ffbc5f6f624e790c370adb522f428da43e64be696aed49d