[INFO] updating cached repository iamchrissmith/fahrenheit_to_celsius-
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iamchrissmith/fahrenheit_to_celsius-
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iamchrissmith/fahrenheit_to_celsius-" "work/ex/beta-1.37-6/sources/1.36.0/gh/iamchrissmith/fahrenheit_to_celsius-"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/iamchrissmith/fahrenheit_to_celsius-'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iamchrissmith/fahrenheit_to_celsius-" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iamchrissmith/fahrenheit_to_celsius-"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iamchrissmith/fahrenheit_to_celsius-'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 856c60190fcb6b7e59303c37b1ef2736798b07da
[INFO] sha for GitHub repo iamchrissmith/fahrenheit_to_celsius-: 856c60190fcb6b7e59303c37b1ef2736798b07da
[INFO] validating manifest of iamchrissmith/fahrenheit_to_celsius- on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iamchrissmith/fahrenheit_to_celsius- on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iamchrissmith/fahrenheit_to_celsius-
[INFO] finished frobbing iamchrissmith/fahrenheit_to_celsius-
[INFO] frobbed toml for iamchrissmith/fahrenheit_to_celsius- written to work/ex/beta-1.37-6/sources/1.36.0/gh/iamchrissmith/fahrenheit_to_celsius-/Cargo.toml
[INFO] started frobbing iamchrissmith/fahrenheit_to_celsius-
[INFO] finished frobbing iamchrissmith/fahrenheit_to_celsius-
[INFO] frobbed toml for iamchrissmith/fahrenheit_to_celsius- written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iamchrissmith/fahrenheit_to_celsius-/Cargo.toml
[INFO] crate iamchrissmith/fahrenheit_to_celsius- already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iamchrissmith/fahrenheit_to_celsius- against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iamchrissmith/fahrenheit_to_celsius-:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 583ffbcd3937eb8164d5435952eb8dc688b5fa1da29d441e6030eae796e70919
[INFO] running `"docker" "start" "-a" "583ffbcd3937eb8164d5435952eb8dc688b5fa1da29d441e6030eae796e70919"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "583ffbcd3937eb8164d5435952eb8dc688b5fa1da29d441e6030eae796e70919"`
[INFO] running `"docker" "rm" "-f" "583ffbcd3937eb8164d5435952eb8dc688b5fa1da29d441e6030eae796e70919"`
[INFO] [stdout] 583ffbcd3937eb8164d5435952eb8dc688b5fa1da29d441e6030eae796e70919
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iamchrissmith/fahrenheit_to_celsius-:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 73ffee2b1bb514e91d6a1dbc2bcb6bafd25babb6405f5b066e791dfb6fd24412
[INFO] running `"docker" "start" "-a" "73ffee2b1bb514e91d6a1dbc2bcb6bafd25babb6405f5b066e791dfb6fd24412"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "73ffee2b1bb514e91d6a1dbc2bcb6bafd25babb6405f5b066e791dfb6fd24412"`
[INFO] running `"docker" "rm" "-f" "73ffee2b1bb514e91d6a1dbc2bcb6bafd25babb6405f5b066e791dfb6fd24412"`
[INFO] [stdout] 73ffee2b1bb514e91d6a1dbc2bcb6bafd25babb6405f5b066e791dfb6fd24412
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iamchrissmith/fahrenheit_to_celsius-:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a5a7372c246ba40b9ebf61f1db81971358d3c69a1c7b5815ef6830e46d4d96a7
[INFO] running `"docker" "start" "-a" "a5a7372c246ba40b9ebf61f1db81971358d3c69a1c7b5815ef6830e46d4d96a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variables-4a3e61559df7b874
[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" "a5a7372c246ba40b9ebf61f1db81971358d3c69a1c7b5815ef6830e46d4d96a7"`
[INFO] running `"docker" "rm" "-f" "a5a7372c246ba40b9ebf61f1db81971358d3c69a1c7b5815ef6830e46d4d96a7"`
[INFO] [stdout] a5a7372c246ba40b9ebf61f1db81971358d3c69a1c7b5815ef6830e46d4d96a7