[INFO] updating cached repository EWarringer/variables_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EWarringer/variables_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EWarringer/variables_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/EWarringer/variables_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/EWarringer/variables_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EWarringer/variables_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EWarringer/variables_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EWarringer/variables_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7423b5da3d2a10793fd0b73dfb6f0947028e6bc0
[INFO] sha for GitHub repo EWarringer/variables_rust: 7423b5da3d2a10793fd0b73dfb6f0947028e6bc0
[INFO] validating manifest of EWarringer/variables_rust 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 EWarringer/variables_rust 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 EWarringer/variables_rust
[INFO] finished frobbing EWarringer/variables_rust
[INFO] frobbed toml for EWarringer/variables_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/EWarringer/variables_rust/Cargo.toml
[INFO] started frobbing EWarringer/variables_rust
[INFO] finished frobbing EWarringer/variables_rust
[INFO] frobbed toml for EWarringer/variables_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EWarringer/variables_rust/Cargo.toml
[INFO] crate EWarringer/variables_rust 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 EWarringer/variables_rust 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EWarringer/variables_rust:/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] fdd110baab308d9c3fa8860202dae730f460276e4383ad0724abb6da6b1810b6
[INFO] running `"docker" "start" "-a" "fdd110baab308d9c3fa8860202dae730f460276e4383ad0724abb6da6b1810b6"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "fdd110baab308d9c3fa8860202dae730f460276e4383ad0724abb6da6b1810b6"`
[INFO] running `"docker" "rm" "-f" "fdd110baab308d9c3fa8860202dae730f460276e4383ad0724abb6da6b1810b6"`
[INFO] [stdout] fdd110baab308d9c3fa8860202dae730f460276e4383ad0724abb6da6b1810b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EWarringer/variables_rust:/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] a9962918016778632999eec1cb20558815cedf59fdcb46e76b7d8fb37b671c8a
[INFO] running `"docker" "start" "-a" "a9962918016778632999eec1cb20558815cedf59fdcb46e76b7d8fb37b671c8a"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "a9962918016778632999eec1cb20558815cedf59fdcb46e76b7d8fb37b671c8a"`
[INFO] running `"docker" "rm" "-f" "a9962918016778632999eec1cb20558815cedf59fdcb46e76b7d8fb37b671c8a"`
[INFO] [stdout] a9962918016778632999eec1cb20558815cedf59fdcb46e76b7d8fb37b671c8a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EWarringer/variables_rust:/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] 875d009e969f2733e9ab312c75bf4f0f26e937ce6051fd92df232a99f0bfa2d4
[INFO] running `"docker" "start" "-a" "875d009e969f2733e9ab312c75bf4f0f26e937ce6051fd92df232a99f0bfa2d4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[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" "875d009e969f2733e9ab312c75bf4f0f26e937ce6051fd92df232a99f0bfa2d4"`
[INFO] running `"docker" "rm" "-f" "875d009e969f2733e9ab312c75bf4f0f26e937ce6051fd92df232a99f0bfa2d4"`
[INFO] [stdout] 875d009e969f2733e9ab312c75bf4f0f26e937ce6051fd92df232a99f0bfa2d4