[INFO] updating cached repository cleap/Exponent-Approximation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cleap/Exponent-Approximation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cleap/Exponent-Approximation" "work/ex/beta-1.38-1/sources/1.37.0/gh/cleap/Exponent-Approximation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cleap/Exponent-Approximation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cleap/Exponent-Approximation" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cleap/Exponent-Approximation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cleap/Exponent-Approximation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e93a5db10586689aebc44444c4bea82bc3520687
[INFO] sha for GitHub repo cleap/Exponent-Approximation: e93a5db10586689aebc44444c4bea82bc3520687
[INFO] validating manifest of cleap/Exponent-Approximation 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 cleap/Exponent-Approximation 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 cleap/Exponent-Approximation
[INFO] finished frobbing cleap/Exponent-Approximation
[INFO] frobbed toml for cleap/Exponent-Approximation written to work/ex/beta-1.38-1/sources/1.37.0/gh/cleap/Exponent-Approximation/Cargo.toml
[INFO] started frobbing cleap/Exponent-Approximation
[INFO] finished frobbing cleap/Exponent-Approximation
[INFO] frobbed toml for cleap/Exponent-Approximation written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cleap/Exponent-Approximation/Cargo.toml
[INFO] crate cleap/Exponent-Approximation 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 cleap/Exponent-Approximation against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cleap/Exponent-Approximation:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3e2e1f61e5060136aaed771eff9ae3597f5aac2777b4e40ab44cf005003d616e
[INFO] running `"docker" "start" "-a" "3e2e1f61e5060136aaed771eff9ae3597f5aac2777b4e40ab44cf005003d616e"`
[INFO] [stderr]    Compiling exponent_approximation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "3e2e1f61e5060136aaed771eff9ae3597f5aac2777b4e40ab44cf005003d616e"`
[INFO] running `"docker" "rm" "-f" "3e2e1f61e5060136aaed771eff9ae3597f5aac2777b4e40ab44cf005003d616e"`
[INFO] [stdout] 3e2e1f61e5060136aaed771eff9ae3597f5aac2777b4e40ab44cf005003d616e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cleap/Exponent-Approximation:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d474da61cafc607430bc9436113f9bb5b70b636c26659633f6fe7e4d26db9af7
[INFO] running `"docker" "start" "-a" "d474da61cafc607430bc9436113f9bb5b70b636c26659633f6fe7e4d26db9af7"`
[INFO] [stderr]    Compiling exponent_approximation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "d474da61cafc607430bc9436113f9bb5b70b636c26659633f6fe7e4d26db9af7"`
[INFO] running `"docker" "rm" "-f" "d474da61cafc607430bc9436113f9bb5b70b636c26659633f6fe7e4d26db9af7"`
[INFO] [stdout] d474da61cafc607430bc9436113f9bb5b70b636c26659633f6fe7e4d26db9af7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cleap/Exponent-Approximation:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f8e046ccaa6c88c5d1ed179f0c50c73f8bc1947946aeb9fe646b5f3a69373fef
[INFO] running `"docker" "start" "-a" "f8e046ccaa6c88c5d1ed179f0c50c73f8bc1947946aeb9fe646b5f3a69373fef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exponent_approximation-6dae8230b984195e
[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" "f8e046ccaa6c88c5d1ed179f0c50c73f8bc1947946aeb9fe646b5f3a69373fef"`
[INFO] running `"docker" "rm" "-f" "f8e046ccaa6c88c5d1ed179f0c50c73f8bc1947946aeb9fe646b5f3a69373fef"`
[INFO] [stdout] f8e046ccaa6c88c5d1ed179f0c50c73f8bc1947946aeb9fe646b5f3a69373fef