[INFO] updating cached repository AntonHermann/lin_eq_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AntonHermann/lin_eq_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AntonHermann/lin_eq_solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/AntonHermann/lin_eq_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AntonHermann/lin_eq_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AntonHermann/lin_eq_solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AntonHermann/lin_eq_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AntonHermann/lin_eq_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ae7f13ec535fb3e0efbf115440a59034b901bcb
[INFO] sha for GitHub repo AntonHermann/lin_eq_solver: 0ae7f13ec535fb3e0efbf115440a59034b901bcb
[INFO] validating manifest of AntonHermann/lin_eq_solver 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 AntonHermann/lin_eq_solver 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 AntonHermann/lin_eq_solver
[INFO] finished frobbing AntonHermann/lin_eq_solver
[INFO] frobbed toml for AntonHermann/lin_eq_solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/AntonHermann/lin_eq_solver/Cargo.toml
[INFO] started frobbing AntonHermann/lin_eq_solver
[INFO] finished frobbing AntonHermann/lin_eq_solver
[INFO] frobbed toml for AntonHermann/lin_eq_solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AntonHermann/lin_eq_solver/Cargo.toml
[INFO] crate AntonHermann/lin_eq_solver 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 AntonHermann/lin_eq_solver 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AntonHermann/lin_eq_solver:/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] abca375e9c44db3eaa7fc2be52c20ad3ddf336eda7f32be63ba10b347087e21a
[INFO] running `"docker" "start" "-a" "abca375e9c44db3eaa7fc2be52c20ad3ddf336eda7f32be63ba10b347087e21a"`
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling lin_eq_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "abca375e9c44db3eaa7fc2be52c20ad3ddf336eda7f32be63ba10b347087e21a"`
[INFO] running `"docker" "rm" "-f" "abca375e9c44db3eaa7fc2be52c20ad3ddf336eda7f32be63ba10b347087e21a"`
[INFO] [stdout] abca375e9c44db3eaa7fc2be52c20ad3ddf336eda7f32be63ba10b347087e21a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AntonHermann/lin_eq_solver:/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] 50255bb38237d171aada4f84882f413cfa8e466b001ee28d8ea6c4d8dde2e140
[INFO] running `"docker" "start" "-a" "50255bb38237d171aada4f84882f413cfa8e466b001ee28d8ea6c4d8dde2e140"`
[INFO] [stderr]    Compiling lin_eq_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "50255bb38237d171aada4f84882f413cfa8e466b001ee28d8ea6c4d8dde2e140"`
[INFO] running `"docker" "rm" "-f" "50255bb38237d171aada4f84882f413cfa8e466b001ee28d8ea6c4d8dde2e140"`
[INFO] [stdout] 50255bb38237d171aada4f84882f413cfa8e466b001ee28d8ea6c4d8dde2e140
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AntonHermann/lin_eq_solver:/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] 51a38669ccd178e2b3288687daa9fb75de09685cfea6b960db28c8ecf650bb5e
[INFO] running `"docker" "start" "-a" "51a38669ccd178e2b3288687daa9fb75de09685cfea6b960db28c8ecf650bb5e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lin_eq_solver-4662db6cf5380fc4
[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" "51a38669ccd178e2b3288687daa9fb75de09685cfea6b960db28c8ecf650bb5e"`
[INFO] running `"docker" "rm" "-f" "51a38669ccd178e2b3288687daa9fb75de09685cfea6b960db28c8ecf650bb5e"`
[INFO] [stdout] 51a38669ccd178e2b3288687daa9fb75de09685cfea6b960db28c8ecf650bb5e