[INFO] updating cached repository gavrielrh/rust-sorting
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gavrielrh/rust-sorting
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gavrielrh/rust-sorting" "work/ex/beta-1.37-6/sources/1.36.0/gh/gavrielrh/rust-sorting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gavrielrh/rust-sorting'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gavrielrh/rust-sorting" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gavrielrh/rust-sorting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gavrielrh/rust-sorting'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9618d0d0f9a3d4caca3aaf051d8e5a85b8a51796
[INFO] sha for GitHub repo gavrielrh/rust-sorting: 9618d0d0f9a3d4caca3aaf051d8e5a85b8a51796
[INFO] validating manifest of gavrielrh/rust-sorting on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gavrielrh/rust-sorting on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gavrielrh/rust-sorting
[INFO] finished frobbing gavrielrh/rust-sorting
[INFO] frobbed toml for gavrielrh/rust-sorting written to work/ex/beta-1.37-6/sources/1.36.0/gh/gavrielrh/rust-sorting/Cargo.toml
[INFO] started frobbing gavrielrh/rust-sorting
[INFO] finished frobbing gavrielrh/rust-sorting
[INFO] frobbed toml for gavrielrh/rust-sorting written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gavrielrh/rust-sorting/Cargo.toml
[INFO] crate gavrielrh/rust-sorting already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gavrielrh/rust-sorting against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gavrielrh/rust-sorting:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3625e0a04c999fd6f664585acd50591a0c830d149772471c468882e322fbbe25
[INFO] running `"docker" "start" "-a" "3625e0a04c999fd6f664585acd50591a0c830d149772471c468882e322fbbe25"`
[INFO] [stderr]    Compiling serde v1.0.12
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.12
[INFO] [stderr]    Compiling csv-core v0.1.3
[INFO] [stderr]    Compiling csv v1.0.0-beta.4
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn run() -> Result<(), 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 14.46s
[INFO] running `"docker" "inspect" "3625e0a04c999fd6f664585acd50591a0c830d149772471c468882e322fbbe25"`
[INFO] running `"docker" "rm" "-f" "3625e0a04c999fd6f664585acd50591a0c830d149772471c468882e322fbbe25"`
[INFO] [stdout] 3625e0a04c999fd6f664585acd50591a0c830d149772471c468882e322fbbe25
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gavrielrh/rust-sorting:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ab501fd16350a4b5de9d2124c3b793673a0cd6b0ce9e0731ae10bd4216e93e54
[INFO] running `"docker" "start" "-a" "ab501fd16350a4b5de9d2124c3b793673a0cd6b0ce9e0731ae10bd4216e93e54"`
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn run() -> Result<(), 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 0.71s
[INFO] running `"docker" "inspect" "ab501fd16350a4b5de9d2124c3b793673a0cd6b0ce9e0731ae10bd4216e93e54"`
[INFO] running `"docker" "rm" "-f" "ab501fd16350a4b5de9d2124c3b793673a0cd6b0ce9e0731ae10bd4216e93e54"`
[INFO] [stdout] ab501fd16350a4b5de9d2124c3b793673a0cd6b0ce9e0731ae10bd4216e93e54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gavrielrh/rust-sorting:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d0a63e4617e715e4a9afb7b0de28095e4f351d42c452b7f66f4511419fac151c
[INFO] running `"docker" "start" "-a" "d0a63e4617e715e4a9afb7b0de28095e4f351d42c452b7f66f4511419fac151c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sorting-29435ce58a03b14f
[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" "d0a63e4617e715e4a9afb7b0de28095e4f351d42c452b7f66f4511419fac151c"`
[INFO] running `"docker" "rm" "-f" "d0a63e4617e715e4a9afb7b0de28095e4f351d42c452b7f66f4511419fac151c"`
[INFO] [stdout] d0a63e4617e715e4a9afb7b0de28095e4f351d42c452b7f66f4511419fac151c