[INFO] updating cached repository wusphinx/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wusphinx/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wusphinx/rust-practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/wusphinx/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wusphinx/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wusphinx/rust-practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wusphinx/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wusphinx/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a241fc0777d141992a2035ebf086c1409d7a1fcb
[INFO] sha for GitHub repo wusphinx/rust-practice: a241fc0777d141992a2035ebf086c1409d7a1fcb
[INFO] validating manifest of wusphinx/rust-practice 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 wusphinx/rust-practice 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 wusphinx/rust-practice
[INFO] finished frobbing wusphinx/rust-practice
[INFO] frobbed toml for wusphinx/rust-practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/wusphinx/rust-practice/Cargo.toml
[INFO] started frobbing wusphinx/rust-practice
[INFO] finished frobbing wusphinx/rust-practice
[INFO] frobbed toml for wusphinx/rust-practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wusphinx/rust-practice/Cargo.toml
[INFO] crate wusphinx/rust-practice 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing wusphinx/rust-practice 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wusphinx/rust-practice:/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] 500a84f4b497fc0125e216e0150e17ae2f895e45ceacc3f4a3fa149b2456fa7b
[INFO] running `"docker" "start" "-a" "500a84f4b497fc0125e216e0150e17ae2f895e45ceacc3f4a3fa149b2456fa7b"`
[INFO] [stderr]    Compiling rust-practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "500a84f4b497fc0125e216e0150e17ae2f895e45ceacc3f4a3fa149b2456fa7b"`
[INFO] running `"docker" "rm" "-f" "500a84f4b497fc0125e216e0150e17ae2f895e45ceacc3f4a3fa149b2456fa7b"`
[INFO] [stdout] 500a84f4b497fc0125e216e0150e17ae2f895e45ceacc3f4a3fa149b2456fa7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wusphinx/rust-practice:/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] 84b92f72613cadb703163572f25cb9fcb3c8fe6e57bd4069e173a7c20b51a67f
[INFO] running `"docker" "start" "-a" "84b92f72613cadb703163572f25cb9fcb3c8fe6e57bd4069e173a7c20b51a67f"`
[INFO] [stderr]    Compiling rust-practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "84b92f72613cadb703163572f25cb9fcb3c8fe6e57bd4069e173a7c20b51a67f"`
[INFO] running `"docker" "rm" "-f" "84b92f72613cadb703163572f25cb9fcb3c8fe6e57bd4069e173a7c20b51a67f"`
[INFO] [stdout] 84b92f72613cadb703163572f25cb9fcb3c8fe6e57bd4069e173a7c20b51a67f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wusphinx/rust-practice:/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] c91903002fc11b390fa4bc4bf54ab5eb45afad474e6b780e01570d5bcef5b3f2
[INFO] running `"docker" "start" "-a" "c91903002fc11b390fa4bc4bf54ab5eb45afad474e6b780e01570d5bcef5b3f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_practice-3e29c5cb9cbab8c8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fibonacci_tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-practice
[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" "c91903002fc11b390fa4bc4bf54ab5eb45afad474e6b780e01570d5bcef5b3f2"`
[INFO] running `"docker" "rm" "-f" "c91903002fc11b390fa4bc4bf54ab5eb45afad474e6b780e01570d5bcef5b3f2"`
[INFO] [stdout] c91903002fc11b390fa4bc4bf54ab5eb45afad474e6b780e01570d5bcef5b3f2