Dec 19 17:04:00.624 INFO checking felipesere/dotter against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:04:00.624 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/felipesere/dotter:/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=forbid" "-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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:04:01.118 INFO [stdout] c456e62841f979249a6b8421992de9df653d76b34c392ba743498aad3169ee00
Dec 19 17:04:01.120 INFO running `"docker" "start" "-a" "c456e62841f979249a6b8421992de9df653d76b34c392ba743498aad3169ee00"`
Dec 19 17:04:04.037 INFO [stderr]    Compiling git-version v0.2.1
Dec 19 17:04:04.046 INFO [stderr]     Checking symlink v0.1.0
Dec 19 17:04:04.102 INFO [stderr]     Checking serde_json v1.0.27
Dec 19 17:04:04.103 INFO [stderr]    Compiling syn v0.14.9
Dec 19 17:04:04.103 INFO [stderr]     Checking serde_urlencoded v0.5.3
Dec 19 17:04:04.107 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 19 17:04:06.174 INFO [stderr]    Compiling dotter v0.1.0 (/opt/crater/workdir)
Dec 19 17:04:08.200 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 19 17:04:08.200 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 19 17:04:08.200 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 19 17:04:10.092 INFO [stderr]     Checking tokio v0.1.8
Dec 19 17:04:11.140 INFO [stderr]     Checking hyper v0.12.10
Dec 19 17:04:17.713 INFO [stderr]     Checking hyper-tls v0.3.0
Dec 19 17:04:19.488 INFO [stderr]     Checking reqwest v0.9.1
Dec 19 17:04:21.773 INFO [stderr]    Compiling synstructure v0.9.0
Dec 19 17:04:25.370 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 19 17:04:27.322 INFO [stderr]     Checking failure v0.1.2
Dec 19 17:04:30.538 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.538 INFO [stderr]    --> src/homebrew.rs:179:9
Dec 19 17:04:30.539 INFO [stderr]     |
Dec 19 17:04:30.539 INFO [stderr] 179 |         brew.execute(&context);
Dec 19 17:04:30.539 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.539 INFO [stderr]     |
Dec 19 17:04:30.539 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 17:04:30.540 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.540 INFO [stderr] 
Dec 19 17:04:30.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.540 INFO [stderr]    --> src/homebrew.rs:182:9
Dec 19 17:04:30.540 INFO [stderr]     |
Dec 19 17:04:30.540 INFO [stderr] 182 |         brew.rollback(&context);
Dec 19 17:04:30.540 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.540 INFO [stderr]     |
Dec 19 17:04:30.540 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.540 INFO [stderr] 
Dec 19 17:04:30.541 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.541 INFO [stderr]    --> src/homebrew.rs:197:9
Dec 19 17:04:30.541 INFO [stderr]     |
Dec 19 17:04:30.541 INFO [stderr] 197 |         brew_cask.execute(&context);
Dec 19 17:04:30.541 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.542 INFO [stderr]     |
Dec 19 17:04:30.542 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.542 INFO [stderr] 
Dec 19 17:04:30.542 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.542 INFO [stderr]    --> src/homebrew.rs:200:9
Dec 19 17:04:30.542 INFO [stderr]     |
Dec 19 17:04:30.542 INFO [stderr] 200 |         brew_cask.rollback(&context);
Dec 19 17:04:30.542 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.542 INFO [stderr]     |
Dec 19 17:04:30.542 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.542 INFO [stderr] 
Dec 19 17:04:30.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.543 INFO [stderr]    --> src/homebrew.rs:216:9
Dec 19 17:04:30.543 INFO [stderr]     |
Dec 19 17:04:30.543 INFO [stderr] 216 |         brew_cask.execute(&context);
Dec 19 17:04:30.543 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.543 INFO [stderr]     |
Dec 19 17:04:30.543 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.543 INFO [stderr] 
Dec 19 17:04:30.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.543 INFO [stderr]    --> src/homebrew.rs:219:9
Dec 19 17:04:30.543 INFO [stderr]     |
Dec 19 17:04:30.543 INFO [stderr] 219 |         brew_cask.rollback(&context);
Dec 19 17:04:30.543 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.543 INFO [stderr]     |
Dec 19 17:04:30.543 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.543 INFO [stderr] 
Dec 19 17:04:30.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.546 INFO [stderr]   --> src/shell.rs:41:9
Dec 19 17:04:30.546 INFO [stderr]    |
Dec 19 17:04:30.546 INFO [stderr] 41 |         echo_command.execute(&context);
Dec 19 17:04:30.546 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.546 INFO [stderr]    |
Dec 19 17:04:30.546 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.546 INFO [stderr] 
Dec 19 17:04:30.547 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.547 INFO [stderr]    --> src/symlinks.rs:110:9
Dec 19 17:04:30.547 INFO [stderr]     |
Dec 19 17:04:30.547 INFO [stderr] 110 |         linker.execute(&context);
Dec 19 17:04:30.547 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.547 INFO [stderr]     |
Dec 19 17:04:30.547 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.548 INFO [stderr] 
Dec 19 17:04:30.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.552 INFO [stderr]    --> src/symlinks.rs:115:9
Dec 19 17:04:30.552 INFO [stderr]     |
Dec 19 17:04:30.552 INFO [stderr] 115 |         linker.rollback(&context);
Dec 19 17:04:30.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.552 INFO [stderr]     |
Dec 19 17:04:30.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.552 INFO [stderr] 
Dec 19 17:04:30.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.552 INFO [stderr]    --> src/symlinks.rs:141:9
Dec 19 17:04:30.552 INFO [stderr]     |
Dec 19 17:04:30.552 INFO [stderr] 141 |         linker.execute(&context);
Dec 19 17:04:30.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.552 INFO [stderr]     |
Dec 19 17:04:30.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.552 INFO [stderr] 
Dec 19 17:04:30.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:04:30.552 INFO [stderr]    --> src/symlinks.rs:146:9
Dec 19 17:04:30.552 INFO [stderr]     |
Dec 19 17:04:30.552 INFO [stderr] 146 |         linker.rollback(&context);
Dec 19 17:04:30.552 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:04:30.552 INFO [stderr]     |
Dec 19 17:04:30.552 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:04:30.552 INFO [stderr] 
Dec 19 17:04:30.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.92s
Dec 19 17:04:32.227 INFO running `"docker" "inspect" "c456e62841f979249a6b8421992de9df653d76b34c392ba743498aad3169ee00"`
Dec 19 17:04:32.543 INFO running `"docker" "rm" "-f" "c456e62841f979249a6b8421992de9df653d76b34c392ba743498aad3169ee00"`
Dec 19 17:04:32.802 INFO [stdout] c456e62841f979249a6b8421992de9df653d76b34c392ba743498aad3169ee00