[INFO] updating cached repository Posich/sorting
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Posich/sorting
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Posich/sorting" "work/ex/beta-1.37-6/sources/1.36.0/gh/Posich/sorting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Posich/sorting'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Posich/sorting" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Posich/sorting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Posich/sorting'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 132d19d25b981d5253a3e0aa9d864e8cc214aa30
[INFO] sha for GitHub repo Posich/sorting: 132d19d25b981d5253a3e0aa9d864e8cc214aa30
[INFO] validating manifest of Posich/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 Posich/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 Posich/sorting
[INFO] finished frobbing Posich/sorting
[INFO] frobbed toml for Posich/sorting written to work/ex/beta-1.37-6/sources/1.36.0/gh/Posich/sorting/Cargo.toml
[INFO] started frobbing Posich/sorting
[INFO] finished frobbing Posich/sorting
[INFO] frobbed toml for Posich/sorting written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Posich/sorting/Cargo.toml
[INFO] crate Posich/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 Posich/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-1/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/Posich/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] dfaa3b3722c2656817c29f6e6fdb60daf56a70acfea970007f42d89d555c3147
[INFO] running `"docker" "start" "-a" "dfaa3b3722c2656817c29f6e6fdb60daf56a70acfea970007f42d89d555c3147"`
[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:77:59
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut it = Box::new(col.clone().into_iter()) as Box<Iterator<Item=T>>;
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IntoIterator`
[INFO] [stderr]  --> src/main.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::iter::{Iterator, IntoIterator};
[INFO] [stderr]   |                           ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "dfaa3b3722c2656817c29f6e6fdb60daf56a70acfea970007f42d89d555c3147"`
[INFO] running `"docker" "rm" "-f" "dfaa3b3722c2656817c29f6e6fdb60daf56a70acfea970007f42d89d555c3147"`
[INFO] [stdout] dfaa3b3722c2656817c29f6e6fdb60daf56a70acfea970007f42d89d555c3147
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/Posich/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] e0d3474a14c81b8016250c277c8a8162d00fc96a0fcf6a20dab2bb45802fdb3a
[INFO] running `"docker" "start" "-a" "e0d3474a14c81b8016250c277c8a8162d00fc96a0fcf6a20dab2bb45802fdb3a"`
[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:77:59
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut it = Box::new(col.clone().into_iter()) as Box<Iterator<Item=T>>;
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IntoIterator`
[INFO] [stderr]  --> src/main.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::iter::{Iterator, IntoIterator};
[INFO] [stderr]   |                           ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "e0d3474a14c81b8016250c277c8a8162d00fc96a0fcf6a20dab2bb45802fdb3a"`
[INFO] running `"docker" "rm" "-f" "e0d3474a14c81b8016250c277c8a8162d00fc96a0fcf6a20dab2bb45802fdb3a"`
[INFO] [stdout] e0d3474a14c81b8016250c277c8a8162d00fc96a0fcf6a20dab2bb45802fdb3a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/Posich/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] 5f12c0c034236a5fde20695d60442ab320e78993c6644eea810144c087802e84
[INFO] running `"docker" "start" "-a" "5f12c0c034236a5fde20695d60442ab320e78993c6644eea810144c087802e84"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sorting-71163b85c79166c2
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/sorting-d9b2d141779106f4
[INFO] [stderr]    Doc-tests sorting
[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" "5f12c0c034236a5fde20695d60442ab320e78993c6644eea810144c087802e84"`
[INFO] running `"docker" "rm" "-f" "5f12c0c034236a5fde20695d60442ab320e78993c6644eea810144c087802e84"`
[INFO] [stdout] 5f12c0c034236a5fde20695d60442ab320e78993c6644eea810144c087802e84