[INFO] updating cached repository dufkan/rush
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dufkan/rush
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dufkan/rush" "work/ex/beta-1.37-6/sources/1.36.0/gh/dufkan/rush"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dufkan/rush'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dufkan/rush" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dufkan/rush"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dufkan/rush'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1fefba20174a32dfd522185883bf638a71105d2b
[INFO] sha for GitHub repo dufkan/rush: 1fefba20174a32dfd522185883bf638a71105d2b
[INFO] validating manifest of dufkan/rush 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 dufkan/rush 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 dufkan/rush
[INFO] finished frobbing dufkan/rush
[INFO] frobbed toml for dufkan/rush written to work/ex/beta-1.37-6/sources/1.36.0/gh/dufkan/rush/Cargo.toml
[INFO] started frobbing dufkan/rush
[INFO] finished frobbing dufkan/rush
[INFO] frobbed toml for dufkan/rush written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dufkan/rush/Cargo.toml
[INFO] crate dufkan/rush 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 dufkan/rush 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-6/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/dufkan/rush:/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] c5e7b9627a5e81847a90fda981f1aff186e11feac3f208b8b9bf8508fafada7f
[INFO] running `"docker" "start" "-a" "c5e7b9627a5e81847a90fda981f1aff186e11feac3f208b8b9bf8508fafada7f"`
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling toml v0.5.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling rush v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `*exec` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/shell.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let command = exec.args().first();
[INFO] [stderr]     |                           ---- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 192 |                 exec.set_kind(match command.as_str() {
[INFO] [stderr]     |                 ^^^^                ------- immutable borrow later used here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.45s
[INFO] running `"docker" "inspect" "c5e7b9627a5e81847a90fda981f1aff186e11feac3f208b8b9bf8508fafada7f"`
[INFO] running `"docker" "rm" "-f" "c5e7b9627a5e81847a90fda981f1aff186e11feac3f208b8b9bf8508fafada7f"`
[INFO] [stdout] c5e7b9627a5e81847a90fda981f1aff186e11feac3f208b8b9bf8508fafada7f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/dufkan/rush:/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] f1a88f1cf6fabb47afb824d00956e27b89f210d494dd7c0c176d74f6b96673e1
[INFO] running `"docker" "start" "-a" "f1a88f1cf6fabb47afb824d00956e27b89f210d494dd7c0c176d74f6b96673e1"`
[INFO] [stderr]    Compiling rush v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `*exec` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/shell.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let command = exec.args().first();
[INFO] [stderr]     |                           ---- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 192 |                 exec.set_kind(match command.as_str() {
[INFO] [stderr]     |                 ^^^^                ------- immutable borrow later used here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "f1a88f1cf6fabb47afb824d00956e27b89f210d494dd7c0c176d74f6b96673e1"`
[INFO] running `"docker" "rm" "-f" "f1a88f1cf6fabb47afb824d00956e27b89f210d494dd7c0c176d74f6b96673e1"`
[INFO] [stdout] f1a88f1cf6fabb47afb824d00956e27b89f210d494dd7c0c176d74f6b96673e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/dufkan/rush:/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] 3a7a35a77adf3bda4dba5e0d6e754528c3cbcc42f1f02da868296222bcecbcdc
[INFO] running `"docker" "start" "-a" "3a7a35a77adf3bda4dba5e0d6e754528c3cbcc42f1f02da868296222bcecbcdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rush-6abb93a29ea3677f
[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" "3a7a35a77adf3bda4dba5e0d6e754528c3cbcc42f1f02da868296222bcecbcdc"`
[INFO] running `"docker" "rm" "-f" "3a7a35a77adf3bda4dba5e0d6e754528c3cbcc42f1f02da868296222bcecbcdc"`
[INFO] [stdout] 3a7a35a77adf3bda4dba5e0d6e754528c3cbcc42f1f02da868296222bcecbcdc