[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-1.38-1/sources/1.37.0/gh/iamchrissmith/fahrenheit_to_celsius-"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iamchrissmith/fahrenheit_to_celsius-'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iamchrissmith/fahrenheit_to_celsius-" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iamchrissmith/fahrenheit_to_celsius-"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iamchrissmith/fahrenheit_to_celsius- 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 iamchrissmith/fahrenheit_to_celsius-
[INFO] finished frobbing iamchrissmith/fahrenheit_to_celsius-
[INFO] frobbed toml for iamchrissmith/fahrenheit_to_celsius- written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 iamchrissmith/fahrenheit_to_celsius- 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ea281d09739943980e5ae7390258f2d2ac9f1d19eb722a8b2e9afc4cfdedb04e
[INFO] running `"docker" "start" "-a" "ea281d09739943980e5ae7390258f2d2ac9f1d19eb722a8b2e9afc4cfdedb04e"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "ea281d09739943980e5ae7390258f2d2ac9f1d19eb722a8b2e9afc4cfdedb04e"`
[INFO] running `"docker" "rm" "-f" "ea281d09739943980e5ae7390258f2d2ac9f1d19eb722a8b2e9afc4cfdedb04e"`
[INFO] [stdout] ea281d09739943980e5ae7390258f2d2ac9f1d19eb722a8b2e9afc4cfdedb04e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1810fffd2feacbd42d72b3d948c51c02144377d33c6acf4057f213c7a48b094c
[INFO] running `"docker" "start" "-a" "1810fffd2feacbd42d72b3d948c51c02144377d33c6acf4057f213c7a48b094c"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "1810fffd2feacbd42d72b3d948c51c02144377d33c6acf4057f213c7a48b094c"`
[INFO] running `"docker" "rm" "-f" "1810fffd2feacbd42d72b3d948c51c02144377d33c6acf4057f213c7a48b094c"`
[INFO] [stdout] 1810fffd2feacbd42d72b3d948c51c02144377d33c6acf4057f213c7a48b094c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8979ecd1dcf7b78ca50dea649438a1d40c73de8093a8eee1911bd08400f47097
[INFO] running `"docker" "start" "-a" "8979ecd1dcf7b78ca50dea649438a1d40c73de8093a8eee1911bd08400f47097"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/variables-5f3a16f44e6fbea3
[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" "8979ecd1dcf7b78ca50dea649438a1d40c73de8093a8eee1911bd08400f47097"`
[INFO] running `"docker" "rm" "-f" "8979ecd1dcf7b78ca50dea649438a1d40c73de8093a8eee1911bd08400f47097"`
[INFO] [stdout] 8979ecd1dcf7b78ca50dea649438a1d40c73de8093a8eee1911bd08400f47097