[INFO] updating cached repository scrogson/devbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scrogson/devbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/devbox" "work/ex/beta-1.38-1/sources/1.37.0/gh/scrogson/devbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/scrogson/devbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/devbox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scrogson/devbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scrogson/devbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 245db5e6bf4a6d02d243b7c1550fb7c57635061d
[INFO] sha for GitHub repo scrogson/devbox: 245db5e6bf4a6d02d243b7c1550fb7c57635061d
[INFO] validating manifest of scrogson/devbox 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 scrogson/devbox 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 scrogson/devbox
[INFO] finished frobbing scrogson/devbox
[INFO] frobbed toml for scrogson/devbox written to work/ex/beta-1.38-1/sources/1.37.0/gh/scrogson/devbox/Cargo.toml
[INFO] started frobbing scrogson/devbox
[INFO] finished frobbing scrogson/devbox
[INFO] frobbed toml for scrogson/devbox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scrogson/devbox/Cargo.toml
[INFO] crate scrogson/devbox 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 scrogson/devbox 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/gh/scrogson/devbox:/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] 76df77ccb32fd5490f9f8cb602dc170beca23876707d34400af24b36b37a4577
[INFO] running `"docker" "start" "-a" "76df77ccb32fd5490f9f8cb602dc170beca23876707d34400af24b36b37a4577"`
[INFO] [stderr]    Compiling serde v1.0.24
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling dirs v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling serde_derive_internals v0.18.0
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling serde_derive v1.0.24
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling devbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/devbox/commands/build.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut service = project.find_service(name)?;
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "76df77ccb32fd5490f9f8cb602dc170beca23876707d34400af24b36b37a4577"`
[INFO] running `"docker" "rm" "-f" "76df77ccb32fd5490f9f8cb602dc170beca23876707d34400af24b36b37a4577"`
[INFO] [stdout] 76df77ccb32fd5490f9f8cb602dc170beca23876707d34400af24b36b37a4577
[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/gh/scrogson/devbox:/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] bc91fc8cbdb02d164ed17964aa6d0b00f0d828261559010997eda6dfbf8d2ef2
[INFO] running `"docker" "start" "-a" "bc91fc8cbdb02d164ed17964aa6d0b00f0d828261559010997eda6dfbf8d2ef2"`
[INFO] [stderr]    Compiling devbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/devbox/commands/build.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut service = project.find_service(name)?;
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "bc91fc8cbdb02d164ed17964aa6d0b00f0d828261559010997eda6dfbf8d2ef2"`
[INFO] running `"docker" "rm" "-f" "bc91fc8cbdb02d164ed17964aa6d0b00f0d828261559010997eda6dfbf8d2ef2"`
[INFO] [stdout] bc91fc8cbdb02d164ed17964aa6d0b00f0d828261559010997eda6dfbf8d2ef2
[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/gh/scrogson/devbox:/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] 6be9508fd4f8cd28502107cc200806790b765bb203d43151b1eb5085791fa266
[INFO] running `"docker" "start" "-a" "6be9508fd4f8cd28502107cc200806790b765bb203d43151b1eb5085791fa266"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/devbox-1a87a8067b2d02f6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/devbox-c5e3be37285dc797
[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] [stderr]    Doc-tests devbox
[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" "6be9508fd4f8cd28502107cc200806790b765bb203d43151b1eb5085791fa266"`
[INFO] running `"docker" "rm" "-f" "6be9508fd4f8cd28502107cc200806790b765bb203d43151b1eb5085791fa266"`
[INFO] [stdout] 6be9508fd4f8cd28502107cc200806790b765bb203d43151b1eb5085791fa266