[INFO] updating cached repository brianarpie/rusty-titanic-survivors
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brianarpie/rusty-titanic-survivors
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brianarpie/rusty-titanic-survivors" "work/ex/beta-1.38-1/sources/1.37.0/gh/brianarpie/rusty-titanic-survivors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brianarpie/rusty-titanic-survivors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brianarpie/rusty-titanic-survivors" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brianarpie/rusty-titanic-survivors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brianarpie/rusty-titanic-survivors'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a31ff2662b5c35aaf423d952f4050b838487478f
[INFO] sha for GitHub repo brianarpie/rusty-titanic-survivors: a31ff2662b5c35aaf423d952f4050b838487478f
[INFO] validating manifest of brianarpie/rusty-titanic-survivors 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 brianarpie/rusty-titanic-survivors 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 brianarpie/rusty-titanic-survivors
[INFO] finished frobbing brianarpie/rusty-titanic-survivors
[INFO] frobbed toml for brianarpie/rusty-titanic-survivors written to work/ex/beta-1.38-1/sources/1.37.0/gh/brianarpie/rusty-titanic-survivors/Cargo.toml
[INFO] started frobbing brianarpie/rusty-titanic-survivors
[INFO] finished frobbing brianarpie/rusty-titanic-survivors
[INFO] frobbed toml for brianarpie/rusty-titanic-survivors written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brianarpie/rusty-titanic-survivors/Cargo.toml
[INFO] crate brianarpie/rusty-titanic-survivors 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]     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 brianarpie/rusty-titanic-survivors 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brianarpie/rusty-titanic-survivors:/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] 0ef3699a6cc8529a7cd08c60f087f77a9324a82604dc51ca368f71532238f957
[INFO] running `"docker" "start" "-a" "0ef3699a6cc8529a7cd08c60f087f77a9324a82604dc51ca368f71532238f957"`
[INFO] [stderr]    Compiling rusty-titanic-survivors v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "0ef3699a6cc8529a7cd08c60f087f77a9324a82604dc51ca368f71532238f957"`
[INFO] running `"docker" "rm" "-f" "0ef3699a6cc8529a7cd08c60f087f77a9324a82604dc51ca368f71532238f957"`
[INFO] [stdout] 0ef3699a6cc8529a7cd08c60f087f77a9324a82604dc51ca368f71532238f957
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brianarpie/rusty-titanic-survivors:/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] dd427d90e4e5efab1f36e797ca559f93b047748e254bc107489f2c3a3b0a6efc
[INFO] running `"docker" "start" "-a" "dd427d90e4e5efab1f36e797ca559f93b047748e254bc107489f2c3a3b0a6efc"`
[INFO] [stderr]    Compiling rusty-titanic-survivors v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "dd427d90e4e5efab1f36e797ca559f93b047748e254bc107489f2c3a3b0a6efc"`
[INFO] running `"docker" "rm" "-f" "dd427d90e4e5efab1f36e797ca559f93b047748e254bc107489f2c3a3b0a6efc"`
[INFO] [stdout] dd427d90e4e5efab1f36e797ca559f93b047748e254bc107489f2c3a3b0a6efc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brianarpie/rusty-titanic-survivors:/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] 03507c8d86f82ede21aecb4372be4bf917bbef81761da97d76e63ee4876168a2
[INFO] running `"docker" "start" "-a" "03507c8d86f82ede21aecb4372be4bf917bbef81761da97d76e63ee4876168a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_titanic_survivors-9e79abec566e20ab
[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" "03507c8d86f82ede21aecb4372be4bf917bbef81761da97d76e63ee4876168a2"`
[INFO] running `"docker" "rm" "-f" "03507c8d86f82ede21aecb4372be4bf917bbef81761da97d76e63ee4876168a2"`
[INFO] [stdout] 03507c8d86f82ede21aecb4372be4bf917bbef81761da97d76e63ee4876168a2