[INFO] crate rtt 0.4.4 is already in cache
[INFO] extracting crate rtt 0.4.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/rtt/0.4.4
[INFO] extracting crate rtt 0.4.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rtt/0.4.4
[INFO] validating manifest of rtt-0.4.4 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 rtt-0.4.4 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 rtt-0.4.4
[INFO] finished frobbing rtt-0.4.4
[INFO] frobbed toml for rtt-0.4.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rtt/0.4.4/Cargo.toml
[INFO] started frobbing rtt-0.4.4
[INFO] finished frobbing rtt-0.4.4
[INFO] frobbed toml for rtt-0.4.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rtt/0.4.4/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 rtt-0.4.4 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rtt/0.4.4:/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] 45f27d3e13ecb611658b931524bff8495dea43556bcac89d5a8e6f7fa3976f84
[INFO] running `"docker" "start" "-a" "45f27d3e13ecb611658b931524bff8495dea43556bcac89d5a8e6f7fa3976f84"`
[INFO] [stderr]    Compiling rtt v0.4.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "45f27d3e13ecb611658b931524bff8495dea43556bcac89d5a8e6f7fa3976f84"`
[INFO] running `"docker" "rm" "-f" "45f27d3e13ecb611658b931524bff8495dea43556bcac89d5a8e6f7fa3976f84"`
[INFO] [stdout] 45f27d3e13ecb611658b931524bff8495dea43556bcac89d5a8e6f7fa3976f84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rtt/0.4.4:/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] d9fa8d4737b2188921e18433d8624b08fe927402b2bc00036ea72f78ad3415ac
[INFO] running `"docker" "start" "-a" "d9fa8d4737b2188921e18433d8624b08fe927402b2bc00036ea72f78ad3415ac"`
[INFO] [stderr]    Compiling rtt v0.4.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "d9fa8d4737b2188921e18433d8624b08fe927402b2bc00036ea72f78ad3415ac"`
[INFO] running `"docker" "rm" "-f" "d9fa8d4737b2188921e18433d8624b08fe927402b2bc00036ea72f78ad3415ac"`
[INFO] [stdout] d9fa8d4737b2188921e18433d8624b08fe927402b2bc00036ea72f78ad3415ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rtt/0.4.4:/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] 078e5c8bfac1e5cab54c2f59775a3b15fd070c9413fd2ad7f90fea8fad90035b
[INFO] running `"docker" "start" "-a" "078e5c8bfac1e5cab54c2f59775a3b15fd070c9413fd2ad7f90fea8fad90035b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rtt-9a64f5f2c2a857b9
[INFO] [stderr]    Doc-tests rtt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::skeleton ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "078e5c8bfac1e5cab54c2f59775a3b15fd070c9413fd2ad7f90fea8fad90035b"`
[INFO] running `"docker" "rm" "-f" "078e5c8bfac1e5cab54c2f59775a3b15fd070c9413fd2ad7f90fea8fad90035b"`
[INFO] [stdout] 078e5c8bfac1e5cab54c2f59775a3b15fd070c9413fd2ad7f90fea8fad90035b