[INFO] updating cached repository williamsandrew/carnac
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/williamsandrew/carnac
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/williamsandrew/carnac" "work/ex/beta-1.37-6/sources/1.36.0/gh/williamsandrew/carnac"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/williamsandrew/carnac'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/williamsandrew/carnac" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/williamsandrew/carnac"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/williamsandrew/carnac'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b49f0c35fa0601d47938d9b483c58e3bb7f1f07
[INFO] sha for GitHub repo williamsandrew/carnac: 8b49f0c35fa0601d47938d9b483c58e3bb7f1f07
[INFO] validating manifest of williamsandrew/carnac 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 williamsandrew/carnac 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 williamsandrew/carnac
[INFO] finished frobbing williamsandrew/carnac
[INFO] frobbed toml for williamsandrew/carnac written to work/ex/beta-1.37-6/sources/1.36.0/gh/williamsandrew/carnac/Cargo.toml
[INFO] started frobbing williamsandrew/carnac
[INFO] finished frobbing williamsandrew/carnac
[INFO] frobbed toml for williamsandrew/carnac written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/williamsandrew/carnac/Cargo.toml
[INFO] crate williamsandrew/carnac 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 williamsandrew/carnac 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-6/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/williamsandrew/carnac:/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] f1809ef7a7a906bb1483ad44eca63b7197944e04af8f8bbf64e549f97de92e00
[INFO] running `"docker" "start" "-a" "f1809ef7a7a906bb1483ad44eca63b7197944e04af8f8bbf64e549f97de92e00"`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling snap v0.1.2
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling carnac v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut buf = match env::home_dir() {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.98s
[INFO] running `"docker" "inspect" "f1809ef7a7a906bb1483ad44eca63b7197944e04af8f8bbf64e549f97de92e00"`
[INFO] running `"docker" "rm" "-f" "f1809ef7a7a906bb1483ad44eca63b7197944e04af8f8bbf64e549f97de92e00"`
[INFO] [stdout] f1809ef7a7a906bb1483ad44eca63b7197944e04af8f8bbf64e549f97de92e00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/williamsandrew/carnac:/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] 6d4856ad038d3d621551c81f123e5aa025e63b71bc617169251276943a5824bf
[INFO] running `"docker" "start" "-a" "6d4856ad038d3d621551c81f123e5aa025e63b71bc617169251276943a5824bf"`
[INFO] [stderr]    Compiling carnac v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut buf = match env::home_dir() {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "6d4856ad038d3d621551c81f123e5aa025e63b71bc617169251276943a5824bf"`
[INFO] running `"docker" "rm" "-f" "6d4856ad038d3d621551c81f123e5aa025e63b71bc617169251276943a5824bf"`
[INFO] [stdout] 6d4856ad038d3d621551c81f123e5aa025e63b71bc617169251276943a5824bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/williamsandrew/carnac:/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] e4eaf7415b5b8e14347c1fb59f1ea376f291234e4428d2cab7b8b8ab756bf333
[INFO] running `"docker" "start" "-a" "e4eaf7415b5b8e14347c1fb59f1ea376f291234e4428d2cab7b8b8ab756bf333"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/carnac-c26e98512526882a
[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" "e4eaf7415b5b8e14347c1fb59f1ea376f291234e4428d2cab7b8b8ab756bf333"`
[INFO] running `"docker" "rm" "-f" "e4eaf7415b5b8e14347c1fb59f1ea376f291234e4428d2cab7b8b8ab756bf333"`
[INFO] [stdout] e4eaf7415b5b8e14347c1fb59f1ea376f291234e4428d2cab7b8b8ab756bf333