[INFO] updating cached repository mnemnion/strs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mnemnion/strs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mnemnion/strs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mnemnion/strs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mnemnion/strs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mnemnion/strs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mnemnion/strs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mnemnion/strs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c4863aae4bda8e0433f72b981c0fe27a029f3e2
[INFO] sha for GitHub repo mnemnion/strs: 0c4863aae4bda8e0433f72b981c0fe27a029f3e2
[INFO] validating manifest of mnemnion/strs 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 mnemnion/strs 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 mnemnion/strs
[INFO] finished frobbing mnemnion/strs
[INFO] frobbed toml for mnemnion/strs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mnemnion/strs/Cargo.toml
[INFO] started frobbing mnemnion/strs
[INFO] finished frobbing mnemnion/strs
[INFO] frobbed toml for mnemnion/strs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mnemnion/strs/Cargo.toml
[INFO] crate mnemnion/strs already has a lockfile, it will not be regenerated
[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 mnemnion/strs 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-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mnemnion/strs:/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] 9555306f5b3909e3f799c6319734cb63566e753e718d2cae2792d03d55c48ae5
[INFO] running `"docker" "start" "-a" "9555306f5b3909e3f799c6319734cb63566e753e718d2cae2792d03d55c48ae5"`
[INFO] [stderr]    Compiling unicode-segmentation v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling clap v2.20.0
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling strs v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |     source: Box<BufRead + 'a>
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `"docker" "inspect" "9555306f5b3909e3f799c6319734cb63566e753e718d2cae2792d03d55c48ae5"`
[INFO] running `"docker" "rm" "-f" "9555306f5b3909e3f799c6319734cb63566e753e718d2cae2792d03d55c48ae5"`
[INFO] [stdout] 9555306f5b3909e3f799c6319734cb63566e753e718d2cae2792d03d55c48ae5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mnemnion/strs:/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] dcb6d00dfd44e74d56f19a7875dafb1919d8ce364c2d6637ae51f5a53e63d3d0
[INFO] running `"docker" "start" "-a" "dcb6d00dfd44e74d56f19a7875dafb1919d8ce364c2d6637ae51f5a53e63d3d0"`
[INFO] [stderr]    Compiling strs v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |     source: Box<BufRead + 'a>
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "dcb6d00dfd44e74d56f19a7875dafb1919d8ce364c2d6637ae51f5a53e63d3d0"`
[INFO] running `"docker" "rm" "-f" "dcb6d00dfd44e74d56f19a7875dafb1919d8ce364c2d6637ae51f5a53e63d3d0"`
[INFO] [stdout] dcb6d00dfd44e74d56f19a7875dafb1919d8ce364c2d6637ae51f5a53e63d3d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mnemnion/strs:/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] e01d7835bd99137133a984a34cf5046139b2af9bc35fa32bd0238f12e9889188
[INFO] running `"docker" "start" "-a" "e01d7835bd99137133a984a34cf5046139b2af9bc35fa32bd0238f12e9889188"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strs-d38dd18c4021c939
[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" "e01d7835bd99137133a984a34cf5046139b2af9bc35fa32bd0238f12e9889188"`
[INFO] running `"docker" "rm" "-f" "e01d7835bd99137133a984a34cf5046139b2af9bc35fa32bd0238f12e9889188"`
[INFO] [stdout] e01d7835bd99137133a984a34cf5046139b2af9bc35fa32bd0238f12e9889188