[INFO] crate doubter 0.1.0 is already in cache
[INFO] extracting crate doubter 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/doubter/0.1.0
[INFO] extracting crate doubter 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/doubter/0.1.0
[INFO] validating manifest of doubter-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of doubter-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing doubter-0.1.0
[INFO] finished frobbing doubter-0.1.0
[INFO] frobbed toml for doubter-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/doubter/0.1.0/Cargo.toml
[INFO] started frobbing doubter-0.1.0
[INFO] finished frobbing doubter-0.1.0
[INFO] frobbed toml for doubter-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/doubter/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing doubter-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/doubter/0.1.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] fa997bbfca5764806899dbb062d2fe682d186c7f979fefa8f4c88a7ad4dea95c
[INFO] running `"docker" "start" "-a" "fa997bbfca5764806899dbb062d2fe682d186c7f979fefa8f4c88a7ad4dea95c"`
[INFO] [stderr]    Compiling doubter-impl v0.1.0
[INFO] [stderr]    Compiling doubter-macros v0.1.0
[INFO] [stderr]    Compiling doubter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `"docker" "inspect" "fa997bbfca5764806899dbb062d2fe682d186c7f979fefa8f4c88a7ad4dea95c"`
[INFO] running `"docker" "rm" "-f" "fa997bbfca5764806899dbb062d2fe682d186c7f979fefa8f4c88a7ad4dea95c"`
[INFO] [stdout] fa997bbfca5764806899dbb062d2fe682d186c7f979fefa8f4c88a7ad4dea95c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/doubter/0.1.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1a5cf263525a992b134c3a180a5d6d3bd3227f1d98223b4f93dba3fbfa7af187
[INFO] running `"docker" "start" "-a" "1a5cf263525a992b134c3a180a5d6d3bd3227f1d98223b4f93dba3fbfa7af187"`
[INFO] [stderr]    Compiling doubter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "1a5cf263525a992b134c3a180a5d6d3bd3227f1d98223b4f93dba3fbfa7af187"`
[INFO] running `"docker" "rm" "-f" "1a5cf263525a992b134c3a180a5d6d3bd3227f1d98223b4f93dba3fbfa7af187"`
[INFO] [stdout] 1a5cf263525a992b134c3a180a5d6d3bd3227f1d98223b4f93dba3fbfa7af187
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/doubter/0.1.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4b049d57edb5a6722f2a7a204e1b0a1a2ae9db95df4d7c236b43e58789070a1b
[INFO] running `"docker" "start" "-a" "4b049d57edb5a6722f2a7a204e1b0a1a2ae9db95df4d7c236b43e58789070a1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/doubter-c4b4a4a3819513a2
[INFO] [stderr]    Doc-tests doubter
[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] [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" "4b049d57edb5a6722f2a7a204e1b0a1a2ae9db95df4d7c236b43e58789070a1b"`
[INFO] running `"docker" "rm" "-f" "4b049d57edb5a6722f2a7a204e1b0a1a2ae9db95df4d7c236b43e58789070a1b"`
[INFO] [stdout] 4b049d57edb5a6722f2a7a204e1b0a1a2ae9db95df4d7c236b43e58789070a1b