[INFO] updating cached repository NattapongSiri/ds_prep_gen.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NattapongSiri/ds_prep_gen.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NattapongSiri/ds_prep_gen.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/NattapongSiri/ds_prep_gen.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/NattapongSiri/ds_prep_gen.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NattapongSiri/ds_prep_gen.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NattapongSiri/ds_prep_gen.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NattapongSiri/ds_prep_gen.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e1dfde35dbd63f667b2e9f9ab9aa107035d9b933
[INFO] sha for GitHub repo NattapongSiri/ds_prep_gen.rs: e1dfde35dbd63f667b2e9f9ab9aa107035d9b933
[INFO] validating manifest of NattapongSiri/ds_prep_gen.rs 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 NattapongSiri/ds_prep_gen.rs 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 NattapongSiri/ds_prep_gen.rs
[INFO] finished frobbing NattapongSiri/ds_prep_gen.rs
[INFO] frobbed toml for NattapongSiri/ds_prep_gen.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/NattapongSiri/ds_prep_gen.rs/Cargo.toml
[INFO] started frobbing NattapongSiri/ds_prep_gen.rs
[INFO] finished frobbing NattapongSiri/ds_prep_gen.rs
[INFO] frobbed toml for NattapongSiri/ds_prep_gen.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NattapongSiri/ds_prep_gen.rs/Cargo.toml
[INFO] crate NattapongSiri/ds_prep_gen.rs 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 NattapongSiri/ds_prep_gen.rs 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/NattapongSiri/ds_prep_gen.rs:/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] c7043225a7f4c2e1aa405996bf18edb778c527443c9b49d032890ffd25f23b79
[INFO] running `"docker" "start" "-a" "c7043225a7f4c2e1aa405996bf18edb778c527443c9b49d032890ffd25f23b79"`
[INFO] [stderr]    Compiling rand_isaac v0.1.0
[INFO] [stderr]    Compiling rand v0.6.0
[INFO] [stderr]    Compiling ds_prep_gen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:29
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RandomPoint`
[INFO] [stderr]   --> src/main.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct RandomPoint(SmallRng);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn next(&mut self) -> Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `"docker" "inspect" "c7043225a7f4c2e1aa405996bf18edb778c527443c9b49d032890ffd25f23b79"`
[INFO] running `"docker" "rm" "-f" "c7043225a7f4c2e1aa405996bf18edb778c527443c9b49d032890ffd25f23b79"`
[INFO] [stdout] c7043225a7f4c2e1aa405996bf18edb778c527443c9b49d032890ffd25f23b79
[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/NattapongSiri/ds_prep_gen.rs:/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] 661b7357b0a0cb107e44d5dafc6b96a3135598212b8845e902911304686d8fca
[INFO] running `"docker" "start" "-a" "661b7357b0a0cb107e44d5dafc6b96a3135598212b8845e902911304686d8fca"`
[INFO] [stderr]    Compiling ds_prep_gen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:29
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RandomPoint`
[INFO] [stderr]   --> src/main.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct RandomPoint(SmallRng);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn next(&mut self) -> Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "661b7357b0a0cb107e44d5dafc6b96a3135598212b8845e902911304686d8fca"`
[INFO] running `"docker" "rm" "-f" "661b7357b0a0cb107e44d5dafc6b96a3135598212b8845e902911304686d8fca"`
[INFO] [stdout] 661b7357b0a0cb107e44d5dafc6b96a3135598212b8845e902911304686d8fca
[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/NattapongSiri/ds_prep_gen.rs:/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] 709c73661e987dd928f831ba7b16d21db6f9d3c823dcc46cd49c1e7d6f65627e
[INFO] running `"docker" "start" "-a" "709c73661e987dd928f831ba7b16d21db6f9d3c823dcc46cd49c1e7d6f65627e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ds_prep_gen-fcc7c5d6a13ffee0
[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" "709c73661e987dd928f831ba7b16d21db6f9d3c823dcc46cd49c1e7d6f65627e"`
[INFO] running `"docker" "rm" "-f" "709c73661e987dd928f831ba7b16d21db6f9d3c823dcc46cd49c1e7d6f65627e"`
[INFO] [stdout] 709c73661e987dd928f831ba7b16d21db6f9d3c823dcc46cd49c1e7d6f65627e