[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 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-3/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8ef4b9906a784343330fd58b3b5853f61308467d8f1380e3564823fb20f9d418
[INFO] running `"docker" "start" "-a" "8ef4b9906a784343330fd58b3b5853f61308467d8f1380e3564823fb20f9d418"`
[INFO] [stderr]    Compiling serde v1.0.24
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling dirs v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[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 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 36.77s
[INFO] running `"docker" "inspect" "8ef4b9906a784343330fd58b3b5853f61308467d8f1380e3564823fb20f9d418"`
[INFO] running `"docker" "rm" "-f" "8ef4b9906a784343330fd58b3b5853f61308467d8f1380e3564823fb20f9d418"`
[INFO] [stdout] 8ef4b9906a784343330fd58b3b5853f61308467d8f1380e3564823fb20f9d418
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5ef5077a69c767aa9791c43e38dacff2a19e1fa284f9a0ffde554aaec9f82694
[INFO] running `"docker" "start" "-a" "5ef5077a69c767aa9791c43e38dacff2a19e1fa284f9a0ffde554aaec9f82694"`
[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 2.32s
[INFO] running `"docker" "inspect" "5ef5077a69c767aa9791c43e38dacff2a19e1fa284f9a0ffde554aaec9f82694"`
[INFO] running `"docker" "rm" "-f" "5ef5077a69c767aa9791c43e38dacff2a19e1fa284f9a0ffde554aaec9f82694"`
[INFO] [stdout] 5ef5077a69c767aa9791c43e38dacff2a19e1fa284f9a0ffde554aaec9f82694
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0a90afd13112549d37944066ee782b2288ece085c401b1e7909752b296b8a2f8
[INFO] running `"docker" "start" "-a" "0a90afd13112549d37944066ee782b2288ece085c401b1e7909752b296b8a2f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/devbox-a25696b93c4b6b9e
[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]      Running /opt/crater/target/debug/deps/devbox-ca8c4db105ab9d7f
[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" "0a90afd13112549d37944066ee782b2288ece085c401b1e7909752b296b8a2f8"`
[INFO] running `"docker" "rm" "-f" "0a90afd13112549d37944066ee782b2288ece085c401b1e7909752b296b8a2f8"`
[INFO] [stdout] 0a90afd13112549d37944066ee782b2288ece085c401b1e7909752b296b8a2f8