[INFO] crate stringbuf 0.1.1 is already in cache
[INFO] extracting crate stringbuf 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/stringbuf/0.1.1
[INFO] extracting crate stringbuf 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stringbuf/0.1.1
[INFO] validating manifest of stringbuf-0.1.1 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 stringbuf-0.1.1 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 stringbuf-0.1.1
[INFO] finished frobbing stringbuf-0.1.1
[INFO] frobbed toml for stringbuf-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/stringbuf/0.1.1/Cargo.toml
[INFO] started frobbing stringbuf-0.1.1
[INFO] finished frobbing stringbuf-0.1.1
[INFO] frobbed toml for stringbuf-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stringbuf/0.1.1/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 stringbuf-0.1.1 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-2/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/stringbuf/0.1.1:/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] c4dd3daae4fa79c80375dd9056b9336c5027bb622f0224d48b0cd6b5a1ab3681
[INFO] running `"docker" "start" "-a" "c4dd3daae4fa79c80375dd9056b9336c5027bb622f0224d48b0cd6b5a1ab3681"`
[INFO] [stderr]    Compiling stringbuf v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "c4dd3daae4fa79c80375dd9056b9336c5027bb622f0224d48b0cd6b5a1ab3681"`
[INFO] running `"docker" "rm" "-f" "c4dd3daae4fa79c80375dd9056b9336c5027bb622f0224d48b0cd6b5a1ab3681"`
[INFO] [stdout] c4dd3daae4fa79c80375dd9056b9336c5027bb622f0224d48b0cd6b5a1ab3681
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/stringbuf/0.1.1:/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] e6638c592b1822162169704bbe357662bd93a7d323e7c2d51ab202b86704778a
[INFO] running `"docker" "start" "-a" "e6638c592b1822162169704bbe357662bd93a7d323e7c2d51ab202b86704778a"`
[INFO] [stderr]    Compiling stringbuf v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "e6638c592b1822162169704bbe357662bd93a7d323e7c2d51ab202b86704778a"`
[INFO] running `"docker" "rm" "-f" "e6638c592b1822162169704bbe357662bd93a7d323e7c2d51ab202b86704778a"`
[INFO] [stdout] e6638c592b1822162169704bbe357662bd93a7d323e7c2d51ab202b86704778a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/stringbuf/0.1.1:/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] d287bca8c4e6e8633edb92ed80eea5a8db5a3f3dd073077c542c38c45b3e8ba2
[INFO] running `"docker" "start" "-a" "d287bca8c4e6e8633edb92ed80eea5a8db5a3f3dd073077c542c38c45b3e8ba2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stringbuf-d1b3a844ff8d148b
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::instantiation ... ok
[INFO] [stdout] test tests::deref ... ok
[INFO] [stderr]    Doc-tests stringbuf
[INFO] [stdout] test tests::monster ... ok
[INFO] [stdout] test tests::add_assign ... ok
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::append ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "d287bca8c4e6e8633edb92ed80eea5a8db5a3f3dd073077c542c38c45b3e8ba2"`
[INFO] running `"docker" "rm" "-f" "d287bca8c4e6e8633edb92ed80eea5a8db5a3f3dd073077c542c38c45b3e8ba2"`
[INFO] [stdout] d287bca8c4e6e8633edb92ed80eea5a8db5a3f3dd073077c542c38c45b3e8ba2