[INFO] updating cached repository marksliva/bintester
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marksliva/bintester
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marksliva/bintester" "work/ex/beta-1.38-1/sources/1.37.0/gh/marksliva/bintester"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/marksliva/bintester'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marksliva/bintester" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marksliva/bintester"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marksliva/bintester'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 61a6e1a318f75ceca424b319f4f64d521b4d6c6b
[INFO] sha for GitHub repo marksliva/bintester: 61a6e1a318f75ceca424b319f4f64d521b4d6c6b
[INFO] validating manifest of marksliva/bintester 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 marksliva/bintester 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 marksliva/bintester
[INFO] finished frobbing marksliva/bintester
[INFO] frobbed toml for marksliva/bintester written to work/ex/beta-1.38-1/sources/1.37.0/gh/marksliva/bintester/Cargo.toml
[INFO] started frobbing marksliva/bintester
[INFO] finished frobbing marksliva/bintester
[INFO] frobbed toml for marksliva/bintester written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marksliva/bintester/Cargo.toml
[INFO] crate marksliva/bintester 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 marksliva/bintester 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/marksliva/bintester:/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] 559aeb982763a1bf3ec19547c0360370cff2b0c9da19f8baf7912ee211eb52a6
[INFO] running `"docker" "start" "-a" "559aeb982763a1bf3ec19547c0360370cff2b0c9da19f8baf7912ee211eb52a6"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling bintester v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> app/io.rs:11:69
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn read_json_file<P: AsRef<Path>>(path: P) -> Result<Value, Box<Error>> {
[INFO] [stderr]    |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.14s
[INFO] running `"docker" "inspect" "559aeb982763a1bf3ec19547c0360370cff2b0c9da19f8baf7912ee211eb52a6"`
[INFO] running `"docker" "rm" "-f" "559aeb982763a1bf3ec19547c0360370cff2b0c9da19f8baf7912ee211eb52a6"`
[INFO] [stdout] 559aeb982763a1bf3ec19547c0360370cff2b0c9da19f8baf7912ee211eb52a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/marksliva/bintester:/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] 86f14244bce2ba6e7b803418fea13a0679311bafe9ca45b0452919fca8a2dc84
[INFO] running `"docker" "start" "-a" "86f14244bce2ba6e7b803418fea13a0679311bafe9ca45b0452919fca8a2dc84"`
[INFO] [stderr]    Compiling bintester v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> app/io.rs:11:69
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn read_json_file<P: AsRef<Path>>(path: P) -> Result<Value, Box<Error>> {
[INFO] [stderr]    |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "86f14244bce2ba6e7b803418fea13a0679311bafe9ca45b0452919fca8a2dc84"`
[INFO] running `"docker" "rm" "-f" "86f14244bce2ba6e7b803418fea13a0679311bafe9ca45b0452919fca8a2dc84"`
[INFO] [stdout] 86f14244bce2ba6e7b803418fea13a0679311bafe9ca45b0452919fca8a2dc84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/marksliva/bintester:/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] 190ca547515728e61aad6c6fc02ce69aa2a6f5cc6cbabaefa2f940b9804c06ad
[INFO] running `"docker" "start" "-a" "190ca547515728e61aad6c6fc02ce69aa2a6f5cc6cbabaefa2f940b9804c06ad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bintester-74c6dae564b9ad11
[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" "190ca547515728e61aad6c6fc02ce69aa2a6f5cc6cbabaefa2f940b9804c06ad"`
[INFO] running `"docker" "rm" "-f" "190ca547515728e61aad6c6fc02ce69aa2a6f5cc6cbabaefa2f940b9804c06ad"`
[INFO] [stdout] 190ca547515728e61aad6c6fc02ce69aa2a6f5cc6cbabaefa2f940b9804c06ad