[INFO] updating cached repository andy-young/Rust-Common-Programming-Concepts
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andy-young/Rust-Common-Programming-Concepts
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andy-young/Rust-Common-Programming-Concepts" "work/ex/beta-1.37-6/sources/1.36.0/gh/andy-young/Rust-Common-Programming-Concepts"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/andy-young/Rust-Common-Programming-Concepts'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andy-young/Rust-Common-Programming-Concepts" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andy-young/Rust-Common-Programming-Concepts"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andy-young/Rust-Common-Programming-Concepts'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 327861e65282366262eddaf199af8b632a4778de
[INFO] sha for GitHub repo andy-young/Rust-Common-Programming-Concepts: 327861e65282366262eddaf199af8b632a4778de
[INFO] validating manifest of andy-young/Rust-Common-Programming-Concepts on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andy-young/Rust-Common-Programming-Concepts on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andy-young/Rust-Common-Programming-Concepts
[INFO] finished frobbing andy-young/Rust-Common-Programming-Concepts
[INFO] frobbed toml for andy-young/Rust-Common-Programming-Concepts written to work/ex/beta-1.37-6/sources/1.36.0/gh/andy-young/Rust-Common-Programming-Concepts/Cargo.toml
[INFO] started frobbing andy-young/Rust-Common-Programming-Concepts
[INFO] finished frobbing andy-young/Rust-Common-Programming-Concepts
[INFO] frobbed toml for andy-young/Rust-Common-Programming-Concepts written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andy-young/Rust-Common-Programming-Concepts/Cargo.toml
[INFO] crate andy-young/Rust-Common-Programming-Concepts already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing andy-young/Rust-Common-Programming-Concepts against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andy-young/Rust-Common-Programming-Concepts:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 806cb7cf1b99ce819cb7a35f10783fd4c505d2bc8ee4580948b73caf195f5036
[INFO] running `"docker" "start" "-a" "806cb7cf1b99ce819cb7a35f10783fd4c505d2bc8ee4580948b73caf195f5036"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "806cb7cf1b99ce819cb7a35f10783fd4c505d2bc8ee4580948b73caf195f5036"`
[INFO] running `"docker" "rm" "-f" "806cb7cf1b99ce819cb7a35f10783fd4c505d2bc8ee4580948b73caf195f5036"`
[INFO] [stdout] 806cb7cf1b99ce819cb7a35f10783fd4c505d2bc8ee4580948b73caf195f5036
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andy-young/Rust-Common-Programming-Concepts:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4e29bd73341f889152aea0feba3487626bdf56ec036cd095c6480006b85b8965
[INFO] running `"docker" "start" "-a" "4e29bd73341f889152aea0feba3487626bdf56ec036cd095c6480006b85b8965"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "4e29bd73341f889152aea0feba3487626bdf56ec036cd095c6480006b85b8965"`
[INFO] running `"docker" "rm" "-f" "4e29bd73341f889152aea0feba3487626bdf56ec036cd095c6480006b85b8965"`
[INFO] [stdout] 4e29bd73341f889152aea0feba3487626bdf56ec036cd095c6480006b85b8965
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andy-young/Rust-Common-Programming-Concepts:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ced4d436d8d2906877d770f2eacb840135efb2509270c47d26b8bb1b56494beb
[INFO] running `"docker" "start" "-a" "ced4d436d8d2906877d770f2eacb840135efb2509270c47d26b8bb1b56494beb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variables-4a3e61559df7b874
[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" "ced4d436d8d2906877d770f2eacb840135efb2509270c47d26b8bb1b56494beb"`
[INFO] running `"docker" "rm" "-f" "ced4d436d8d2906877d770f2eacb840135efb2509270c47d26b8bb1b56494beb"`
[INFO] [stdout] ced4d436d8d2906877d770f2eacb840135efb2509270c47d26b8bb1b56494beb