[INFO] updating cached repository isalevine/rustbook-variables
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/isalevine/rustbook-variables
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/isalevine/rustbook-variables" "work/ex/beta-1.38-1/sources/1.37.0/gh/isalevine/rustbook-variables"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/isalevine/rustbook-variables'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/isalevine/rustbook-variables" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/isalevine/rustbook-variables"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/isalevine/rustbook-variables'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39a42b606d2537c3b05bc1b63bd2b6de808defcf
[INFO] sha for GitHub repo isalevine/rustbook-variables: 39a42b606d2537c3b05bc1b63bd2b6de808defcf
[INFO] validating manifest of isalevine/rustbook-variables 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 isalevine/rustbook-variables 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 isalevine/rustbook-variables
[INFO] finished frobbing isalevine/rustbook-variables
[INFO] frobbed toml for isalevine/rustbook-variables written to work/ex/beta-1.38-1/sources/1.37.0/gh/isalevine/rustbook-variables/Cargo.toml
[INFO] started frobbing isalevine/rustbook-variables
[INFO] finished frobbing isalevine/rustbook-variables
[INFO] frobbed toml for isalevine/rustbook-variables written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/isalevine/rustbook-variables/Cargo.toml
[INFO] crate isalevine/rustbook-variables 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 isalevine/rustbook-variables 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/isalevine/rustbook-variables:/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] 834e4f069bf5b7b413271bd27a7a68f166e35bea33c3ae0a630e24c4d26fd4ad
[INFO] running `"docker" "start" "-a" "834e4f069bf5b7b413271bd27a7a68f166e35bea33c3ae0a630e24c4d26fd4ad"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "834e4f069bf5b7b413271bd27a7a68f166e35bea33c3ae0a630e24c4d26fd4ad"`
[INFO] running `"docker" "rm" "-f" "834e4f069bf5b7b413271bd27a7a68f166e35bea33c3ae0a630e24c4d26fd4ad"`
[INFO] [stdout] 834e4f069bf5b7b413271bd27a7a68f166e35bea33c3ae0a630e24c4d26fd4ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/isalevine/rustbook-variables:/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] ae3125dc3fb2f0d5afc8bca79459c19bdd4603d60e53095f48c0b363379c349d
[INFO] running `"docker" "start" "-a" "ae3125dc3fb2f0d5afc8bca79459c19bdd4603d60e53095f48c0b363379c349d"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "ae3125dc3fb2f0d5afc8bca79459c19bdd4603d60e53095f48c0b363379c349d"`
[INFO] running `"docker" "rm" "-f" "ae3125dc3fb2f0d5afc8bca79459c19bdd4603d60e53095f48c0b363379c349d"`
[INFO] [stdout] ae3125dc3fb2f0d5afc8bca79459c19bdd4603d60e53095f48c0b363379c349d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/isalevine/rustbook-variables:/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] d1740dbd311e9274b2b46cef7488061fa990d9a8f11e8f2ad2877ed5381102da
[INFO] running `"docker" "start" "-a" "d1740dbd311e9274b2b46cef7488061fa990d9a8f11e8f2ad2877ed5381102da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variables-5f3a16f44e6fbea3
[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" "d1740dbd311e9274b2b46cef7488061fa990d9a8f11e8f2ad2877ed5381102da"`
[INFO] running `"docker" "rm" "-f" "d1740dbd311e9274b2b46cef7488061fa990d9a8f11e8f2ad2877ed5381102da"`
[INFO] [stdout] d1740dbd311e9274b2b46cef7488061fa990d9a8f11e8f2ad2877ed5381102da