[INFO] crate string-builder 0.2.0 is already in cache
[INFO] extracting crate string-builder 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/string-builder/0.2.0
[INFO] extracting crate string-builder 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/string-builder/0.2.0
[INFO] validating manifest of string-builder-0.2.0 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 string-builder-0.2.0 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 string-builder-0.2.0
[INFO] finished frobbing string-builder-0.2.0
[INFO] frobbed toml for string-builder-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/string-builder/0.2.0/Cargo.toml
[INFO] started frobbing string-builder-0.2.0
[INFO] finished frobbing string-builder-0.2.0
[INFO] frobbed toml for string-builder-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/string-builder/0.2.0/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 string-builder-0.2.0 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-2/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/string-builder/0.2.0:/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] 0567f6a2e68b15b354e53e05c44892bd1b77800ae1a0b3021e37a58bea1c2a6a
[INFO] running `"docker" "start" "-a" "0567f6a2e68b15b354e53e05c44892bd1b77800ae1a0b3021e37a58bea1c2a6a"`
[INFO] [stderr]    Compiling string-builder v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "0567f6a2e68b15b354e53e05c44892bd1b77800ae1a0b3021e37a58bea1c2a6a"`
[INFO] running `"docker" "rm" "-f" "0567f6a2e68b15b354e53e05c44892bd1b77800ae1a0b3021e37a58bea1c2a6a"`
[INFO] [stdout] 0567f6a2e68b15b354e53e05c44892bd1b77800ae1a0b3021e37a58bea1c2a6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/string-builder/0.2.0:/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] a6f1d555d4cabeaf8f95d708b582283a09fc022f88f61f9370f4b59af5496e97
[INFO] running `"docker" "start" "-a" "a6f1d555d4cabeaf8f95d708b582283a09fc022f88f61f9370f4b59af5496e97"`
[INFO] [stderr]    Compiling string-builder v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "a6f1d555d4cabeaf8f95d708b582283a09fc022f88f61f9370f4b59af5496e97"`
[INFO] running `"docker" "rm" "-f" "a6f1d555d4cabeaf8f95d708b582283a09fc022f88f61f9370f4b59af5496e97"`
[INFO] [stdout] a6f1d555d4cabeaf8f95d708b582283a09fc022f88f61f9370f4b59af5496e97
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/string-builder/0.2.0:/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] b6d2e15760a09d6bef839bdd0a7c4d387e4eff7bfc98ad540ce7d4edcee1b683
[INFO] running `"docker" "start" "-a" "b6d2e15760a09d6bef839bdd0a7c4d387e4eff7bfc98ad540ce7d4edcee1b683"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/string_builder-9ac9dea29ab24a8c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_tool_album ... ok
[INFO] [stdout] test tests::test_all_supported_types ... ok
[INFO] [stdout] test tests::test_individual_unicode_characters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-builder
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Builder::append (line 30) ... ok
[INFO] [stdout] test src/lib.rs - Builder::len (line 44) ... ok
[INFO] [stdout] test src/lib.rs - Builder::string (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b6d2e15760a09d6bef839bdd0a7c4d387e4eff7bfc98ad540ce7d4edcee1b683"`
[INFO] running `"docker" "rm" "-f" "b6d2e15760a09d6bef839bdd0a7c4d387e4eff7bfc98ad540ce7d4edcee1b683"`
[INFO] [stdout] b6d2e15760a09d6bef839bdd0a7c4d387e4eff7bfc98ad540ce7d4edcee1b683