[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 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-0/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1e9bc44aa03f5f121a7f4e256c76a499dc26bbce6dea246fb17919310b47479a
[INFO] running `"docker" "start" "-a" "1e9bc44aa03f5f121a7f4e256c76a499dc26bbce6dea246fb17919310b47479a"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling ryu v0.2.3
[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 29.23s
[INFO] running `"docker" "inspect" "1e9bc44aa03f5f121a7f4e256c76a499dc26bbce6dea246fb17919310b47479a"`
[INFO] running `"docker" "rm" "-f" "1e9bc44aa03f5f121a7f4e256c76a499dc26bbce6dea246fb17919310b47479a"`
[INFO] [stdout] 1e9bc44aa03f5f121a7f4e256c76a499dc26bbce6dea246fb17919310b47479a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 73104ccf2c8ead1b5e47e270c0b1b27052953835cb9366ca225a1aac35308373
[INFO] running `"docker" "start" "-a" "73104ccf2c8ead1b5e47e270c0b1b27052953835cb9366ca225a1aac35308373"`
[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 0.82s
[INFO] running `"docker" "inspect" "73104ccf2c8ead1b5e47e270c0b1b27052953835cb9366ca225a1aac35308373"`
[INFO] running `"docker" "rm" "-f" "73104ccf2c8ead1b5e47e270c0b1b27052953835cb9366ca225a1aac35308373"`
[INFO] [stdout] 73104ccf2c8ead1b5e47e270c0b1b27052953835cb9366ca225a1aac35308373
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 56094c5deeea367bf00eb0431c6b26905231448d0e3c804528ca7a4b0022e7b7
[INFO] running `"docker" "start" "-a" "56094c5deeea367bf00eb0431c6b26905231448d0e3c804528ca7a4b0022e7b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bintester-f372f5d60a9c3879
[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" "56094c5deeea367bf00eb0431c6b26905231448d0e3c804528ca7a4b0022e7b7"`
[INFO] running `"docker" "rm" "-f" "56094c5deeea367bf00eb0431c6b26905231448d0e3c804528ca7a4b0022e7b7"`
[INFO] [stdout] 56094c5deeea367bf00eb0431c6b26905231448d0e3c804528ca7a4b0022e7b7