[INFO] cloning repository morgenm/joe-bbm
[INFO] running `"git" "clone" "--bare" "git://github.com/morgenm/joe-bbm.git" "work/cache/sources/gh/morgenm/joe-bbm"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/morgenm/joe-bbm'...
[INFO] running `"git" "clone" "work/cache/sources/gh/morgenm/joe-bbm" "work/ex/beta-1.37-6/sources/1.36.0/gh/morgenm/joe-bbm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/morgenm/joe-bbm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/morgenm/joe-bbm" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/morgenm/joe-bbm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/morgenm/joe-bbm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00db4795d1ace7cc638bebb1646043635630b60e
[INFO] sha for GitHub repo morgenm/joe-bbm: 00db4795d1ace7cc638bebb1646043635630b60e
[INFO] validating manifest of morgenm/joe-bbm 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 morgenm/joe-bbm 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 morgenm/joe-bbm
[INFO] finished frobbing morgenm/joe-bbm
[INFO] frobbed toml for morgenm/joe-bbm written to work/ex/beta-1.37-6/sources/1.36.0/gh/morgenm/joe-bbm/Cargo.toml
[INFO] started frobbing morgenm/joe-bbm
[INFO] finished frobbing morgenm/joe-bbm
[INFO] frobbed toml for morgenm/joe-bbm written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/morgenm/joe-bbm/Cargo.toml
[INFO] crate morgenm/joe-bbm 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 morgenm/joe-bbm 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-2/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/morgenm/joe-bbm:/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] c6296ae2f669526157b6f47e7577dfa0d67a8513abb46d53e4bf57f04b5cd2bb
[INFO] running `"docker" "start" "-a" "c6296ae2f669526157b6f47e7577dfa0d67a8513abb46d53e4bf57f04b5cd2bb"`
[INFO] [stderr]    Compiling args v2.2.0
[INFO] [stderr]    Compiling joe-bbm v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |         Err(e) => String::from("~")
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "c6296ae2f669526157b6f47e7577dfa0d67a8513abb46d53e4bf57f04b5cd2bb"`
[INFO] running `"docker" "rm" "-f" "c6296ae2f669526157b6f47e7577dfa0d67a8513abb46d53e4bf57f04b5cd2bb"`
[INFO] [stdout] c6296ae2f669526157b6f47e7577dfa0d67a8513abb46d53e4bf57f04b5cd2bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/morgenm/joe-bbm:/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] d8ad9ce963575d95d7e94b2626c42a6ead93b3dec52f3ce863c30f129fd3e5e4
[INFO] running `"docker" "start" "-a" "d8ad9ce963575d95d7e94b2626c42a6ead93b3dec52f3ce863c30f129fd3e5e4"`
[INFO] [stderr]    Compiling joe-bbm v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |         Err(e) => String::from("~")
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "d8ad9ce963575d95d7e94b2626c42a6ead93b3dec52f3ce863c30f129fd3e5e4"`
[INFO] running `"docker" "rm" "-f" "d8ad9ce963575d95d7e94b2626c42a6ead93b3dec52f3ce863c30f129fd3e5e4"`
[INFO] [stdout] d8ad9ce963575d95d7e94b2626c42a6ead93b3dec52f3ce863c30f129fd3e5e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/morgenm/joe-bbm:/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] 92e196835533172b32c0aa8a21ca40008a536a5de84d27543d055aa2ade352b6
[INFO] running `"docker" "start" "-a" "92e196835533172b32c0aa8a21ca40008a536a5de84d27543d055aa2ade352b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/joe_bbm-e09efbed12c67330
[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" "92e196835533172b32c0aa8a21ca40008a536a5de84d27543d055aa2ade352b6"`
[INFO] running `"docker" "rm" "-f" "92e196835533172b32c0aa8a21ca40008a536a5de84d27543d055aa2ade352b6"`
[INFO] [stdout] 92e196835533172b32c0aa8a21ca40008a536a5de84d27543d055aa2ade352b6