[INFO] updating cached repository lecrepuscule/Rust_fibonacci
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lecrepuscule/Rust_fibonacci
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lecrepuscule/Rust_fibonacci" "work/ex/beta-1.38-1/sources/1.37.0/gh/lecrepuscule/Rust_fibonacci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lecrepuscule/Rust_fibonacci'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lecrepuscule/Rust_fibonacci" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lecrepuscule/Rust_fibonacci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lecrepuscule/Rust_fibonacci'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0290ad6cc3074185db4a95a72958909e2e931d0f
[INFO] sha for GitHub repo lecrepuscule/Rust_fibonacci: 0290ad6cc3074185db4a95a72958909e2e931d0f
[INFO] validating manifest of lecrepuscule/Rust_fibonacci 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 lecrepuscule/Rust_fibonacci 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 lecrepuscule/Rust_fibonacci
[INFO] finished frobbing lecrepuscule/Rust_fibonacci
[INFO] frobbed toml for lecrepuscule/Rust_fibonacci written to work/ex/beta-1.38-1/sources/1.37.0/gh/lecrepuscule/Rust_fibonacci/Cargo.toml
[INFO] started frobbing lecrepuscule/Rust_fibonacci
[INFO] finished frobbing lecrepuscule/Rust_fibonacci
[INFO] frobbed toml for lecrepuscule/Rust_fibonacci written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lecrepuscule/Rust_fibonacci/Cargo.toml
[INFO] crate lecrepuscule/Rust_fibonacci 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 lecrepuscule/Rust_fibonacci 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lecrepuscule/Rust_fibonacci:/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] 41a7509071373dfda236893f91fdcf9ed6db5de9330cecb37296121499fbd15b
[INFO] running `"docker" "start" "-a" "41a7509071373dfda236893f91fdcf9ed6db5de9330cecb37296121499fbd15b"`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "41a7509071373dfda236893f91fdcf9ed6db5de9330cecb37296121499fbd15b"`
[INFO] running `"docker" "rm" "-f" "41a7509071373dfda236893f91fdcf9ed6db5de9330cecb37296121499fbd15b"`
[INFO] [stdout] 41a7509071373dfda236893f91fdcf9ed6db5de9330cecb37296121499fbd15b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lecrepuscule/Rust_fibonacci:/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] 51bcfbed7142ed9ec63295753e3e411aefedd8bfa06254f039c2b0d2c3d2e8e7
[INFO] running `"docker" "start" "-a" "51bcfbed7142ed9ec63295753e3e411aefedd8bfa06254f039c2b0d2c3d2e8e7"`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "51bcfbed7142ed9ec63295753e3e411aefedd8bfa06254f039c2b0d2c3d2e8e7"`
[INFO] running `"docker" "rm" "-f" "51bcfbed7142ed9ec63295753e3e411aefedd8bfa06254f039c2b0d2c3d2e8e7"`
[INFO] [stdout] 51bcfbed7142ed9ec63295753e3e411aefedd8bfa06254f039c2b0d2c3d2e8e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lecrepuscule/Rust_fibonacci:/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] 73f3ead7e48cd1bad584865fc7448ada07f37c53a5e25d42fb78c3e65485a02a
[INFO] running `"docker" "start" "-a" "73f3ead7e48cd1bad584865fc7448ada07f37c53a5e25d42fb78c3e65485a02a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fibonacci-19bbea4c069f7f17
[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" "73f3ead7e48cd1bad584865fc7448ada07f37c53a5e25d42fb78c3e65485a02a"`
[INFO] running `"docker" "rm" "-f" "73f3ead7e48cd1bad584865fc7448ada07f37c53a5e25d42fb78c3e65485a02a"`
[INFO] [stdout] 73f3ead7e48cd1bad584865fc7448ada07f37c53a5e25d42fb78c3e65485a02a