[INFO] updating cached repository KeenS/igaguri
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KeenS/igaguri
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KeenS/igaguri" "work/ex/beta-1.37-6/sources/1.36.0/gh/KeenS/igaguri"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/KeenS/igaguri'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KeenS/igaguri" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/igaguri"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/igaguri'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8653f722db491de87e978f8b506921510a80f8a7
[INFO] sha for GitHub repo KeenS/igaguri: 8653f722db491de87e978f8b506921510a80f8a7
[INFO] validating manifest of KeenS/igaguri 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 KeenS/igaguri 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 KeenS/igaguri
[INFO] finished frobbing KeenS/igaguri
[INFO] frobbed toml for KeenS/igaguri written to work/ex/beta-1.37-6/sources/1.36.0/gh/KeenS/igaguri/Cargo.toml
[INFO] started frobbing KeenS/igaguri
[INFO] finished frobbing KeenS/igaguri
[INFO] frobbed toml for KeenS/igaguri written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/igaguri/Cargo.toml
[INFO] crate KeenS/igaguri 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/KeenS/igaguri/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 KeenS/igaguri 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-5/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/KeenS/igaguri:/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] a1238486415bdcd8c80a3d5094f3e222cf13c86c167f75c7e78147d102b1f79f
[INFO] running `"docker" "start" "-a" "a1238486415bdcd8c80a3d5094f3e222cf13c86c167f75c7e78147d102b1f79f"`
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling igaguri v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/read.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         reader.rl.load_history(&reader.histfile);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: the `cmd:` in this pattern is redundant
[INFO] [stderr]   --> src/ast.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |             &Command{cmd: ref cmd, ..} => cmd.is_empty(),
[INFO] [stderr]    |                      ----^^^^^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_shorthand_field_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/igaguri.rs:27:33
[INFO] [stderr]    |
[INFO] [stderr] 27 |                                 child.wait();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `"docker" "inspect" "a1238486415bdcd8c80a3d5094f3e222cf13c86c167f75c7e78147d102b1f79f"`
[INFO] running `"docker" "rm" "-f" "a1238486415bdcd8c80a3d5094f3e222cf13c86c167f75c7e78147d102b1f79f"`
[INFO] [stdout] a1238486415bdcd8c80a3d5094f3e222cf13c86c167f75c7e78147d102b1f79f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/KeenS/igaguri:/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] dfd1d7ed0bf6a6167dd2ee9ccf148c2bf1eab60d39eaf1b494a3206db43554fe
[INFO] running `"docker" "start" "-a" "dfd1d7ed0bf6a6167dd2ee9ccf148c2bf1eab60d39eaf1b494a3206db43554fe"`
[INFO] [stderr]    Compiling igaguri v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/read.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         reader.rl.load_history(&reader.histfile);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: the `cmd:` in this pattern is redundant
[INFO] [stderr]   --> src/ast.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |             &Command{cmd: ref cmd, ..} => cmd.is_empty(),
[INFO] [stderr]    |                      ----^^^^^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_shorthand_field_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/igaguri.rs:27:33
[INFO] [stderr]    |
[INFO] [stderr] 27 |                                 child.wait();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "dfd1d7ed0bf6a6167dd2ee9ccf148c2bf1eab60d39eaf1b494a3206db43554fe"`
[INFO] running `"docker" "rm" "-f" "dfd1d7ed0bf6a6167dd2ee9ccf148c2bf1eab60d39eaf1b494a3206db43554fe"`
[INFO] [stdout] dfd1d7ed0bf6a6167dd2ee9ccf148c2bf1eab60d39eaf1b494a3206db43554fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/KeenS/igaguri:/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] 6c08ab90cb3432e1533e0f46a4a72bd0b1b4283afa86c51ac7d6dc445fa22e61
[INFO] running `"docker" "start" "-a" "6c08ab90cb3432e1533e0f46a4a72bd0b1b4283afa86c51ac7d6dc445fa22e61"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/igaguri-986d23c8f47d81ed
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/igaguri-10e3aa7005140e98
[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]    Doc-tests igaguri
[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" "6c08ab90cb3432e1533e0f46a4a72bd0b1b4283afa86c51ac7d6dc445fa22e61"`
[INFO] running `"docker" "rm" "-f" "6c08ab90cb3432e1533e0f46a4a72bd0b1b4283afa86c51ac7d6dc445fa22e61"`
[INFO] [stdout] 6c08ab90cb3432e1533e0f46a4a72bd0b1b4283afa86c51ac7d6dc445fa22e61