[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-1.38-1/sources/1.37.0/gh/williamsandrew/carnac"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/williamsandrew/carnac'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/williamsandrew/carnac" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/williamsandrew/carnac"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of williamsandrew/carnac 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 williamsandrew/carnac
[INFO] finished frobbing williamsandrew/carnac
[INFO] frobbed toml for williamsandrew/carnac written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing williamsandrew/carnac 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-1/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 36aa418f2615034a54b55dcd3a6674e59fbd4ad375aff3ab20b184f6dbfc4665
[INFO] running `"docker" "start" "-a" "36aa418f2615034a54b55dcd3a6674e59fbd4ad375aff3ab20b184f6dbfc4665"`
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling snap v0.1.2
[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 14.41s
[INFO] running `"docker" "inspect" "36aa418f2615034a54b55dcd3a6674e59fbd4ad375aff3ab20b184f6dbfc4665"`
[INFO] running `"docker" "rm" "-f" "36aa418f2615034a54b55dcd3a6674e59fbd4ad375aff3ab20b184f6dbfc4665"`
[INFO] [stdout] 36aa418f2615034a54b55dcd3a6674e59fbd4ad375aff3ab20b184f6dbfc4665
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1240422b31a9d38a8f7708dc62d5af5cafa77d25a8a12475bd05b2c7ea2f8a18
[INFO] running `"docker" "start" "-a" "1240422b31a9d38a8f7708dc62d5af5cafa77d25a8a12475bd05b2c7ea2f8a18"`
[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" "1240422b31a9d38a8f7708dc62d5af5cafa77d25a8a12475bd05b2c7ea2f8a18"`
[INFO] running `"docker" "rm" "-f" "1240422b31a9d38a8f7708dc62d5af5cafa77d25a8a12475bd05b2c7ea2f8a18"`
[INFO] [stdout] 1240422b31a9d38a8f7708dc62d5af5cafa77d25a8a12475bd05b2c7ea2f8a18
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 530c4dc95f30eb6192fbe31007e20dd129e422522135a457187f5b664f8cd46e
[INFO] running `"docker" "start" "-a" "530c4dc95f30eb6192fbe31007e20dd129e422522135a457187f5b664f8cd46e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/carnac-9b66e7052dea578c
[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" "530c4dc95f30eb6192fbe31007e20dd129e422522135a457187f5b664f8cd46e"`
[INFO] running `"docker" "rm" "-f" "530c4dc95f30eb6192fbe31007e20dd129e422522135a457187f5b664f8cd46e"`
[INFO] [stdout] 530c4dc95f30eb6192fbe31007e20dd129e422522135a457187f5b664f8cd46e