[INFO] updating cached repository bitdivine/rust_rate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bitdivine/rust_rate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bitdivine/rust_rate" "work/ex/beta-1.38-1/sources/1.37.0/gh/bitdivine/rust_rate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bitdivine/rust_rate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bitdivine/rust_rate" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bitdivine/rust_rate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bitdivine/rust_rate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9b73a3a449ead2680df5ee92edc96e89a313c0b
[INFO] sha for GitHub repo bitdivine/rust_rate: f9b73a3a449ead2680df5ee92edc96e89a313c0b
[INFO] validating manifest of bitdivine/rust_rate 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 bitdivine/rust_rate 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 bitdivine/rust_rate
[INFO] finished frobbing bitdivine/rust_rate
[INFO] frobbed toml for bitdivine/rust_rate written to work/ex/beta-1.38-1/sources/1.37.0/gh/bitdivine/rust_rate/Cargo.toml
[INFO] started frobbing bitdivine/rust_rate
[INFO] finished frobbing bitdivine/rust_rate
[INFO] frobbed toml for bitdivine/rust_rate written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bitdivine/rust_rate/Cargo.toml
[INFO] crate bitdivine/rust_rate 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bitdivine/rust_rate/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bitdivine/rust_rate 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bitdivine/rust_rate:/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] bc3e29a87160322c1426b6dcc2bb843efb0b02dcaabc600f4308de4b4d02c1b0
[INFO] running `"docker" "start" "-a" "bc3e29a87160322c1426b6dcc2bb843efb0b02dcaabc600f4308de4b4d02c1b0"`
[INFO] [stderr]    Compiling rust_rate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "bc3e29a87160322c1426b6dcc2bb843efb0b02dcaabc600f4308de4b4d02c1b0"`
[INFO] running `"docker" "rm" "-f" "bc3e29a87160322c1426b6dcc2bb843efb0b02dcaabc600f4308de4b4d02c1b0"`
[INFO] [stdout] bc3e29a87160322c1426b6dcc2bb843efb0b02dcaabc600f4308de4b4d02c1b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bitdivine/rust_rate:/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] efcfee8099329cf139038b807be7d3636d4403b846f28941d6354cceb67a41dd
[INFO] running `"docker" "start" "-a" "efcfee8099329cf139038b807be7d3636d4403b846f28941d6354cceb67a41dd"`
[INFO] [stderr]    Compiling rust_rate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "efcfee8099329cf139038b807be7d3636d4403b846f28941d6354cceb67a41dd"`
[INFO] running `"docker" "rm" "-f" "efcfee8099329cf139038b807be7d3636d4403b846f28941d6354cceb67a41dd"`
[INFO] [stdout] efcfee8099329cf139038b807be7d3636d4403b846f28941d6354cceb67a41dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bitdivine/rust_rate:/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] 961f2f627f52e456710b76b7965b46de9c43004e474e14174c4f35f1fb007f89
[INFO] running `"docker" "start" "-a" "961f2f627f52e456710b76b7965b46de9c43004e474e14174c4f35f1fb007f89"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_rate-dcd81621bde751f2
[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" "961f2f627f52e456710b76b7965b46de9c43004e474e14174c4f35f1fb007f89"`
[INFO] running `"docker" "rm" "-f" "961f2f627f52e456710b76b7965b46de9c43004e474e14174c4f35f1fb007f89"`
[INFO] [stdout] 961f2f627f52e456710b76b7965b46de9c43004e474e14174c4f35f1fb007f89