Dec 07 15:25:40.649 INFO testing gitter-slack-0.1.1 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 15:25:40.649 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 15:25:40.980 INFO [stdout] 17b6e47fc3cd892fde5abda8055c958fd8fe81d6739cd3a65c6c9f0599729a47
Dec 07 15:25:40.988 INFO running `"docker" "start" "-a" "17b6e47fc3cd892fde5abda8055c958fd8fe81d6739cd3a65c6c9f0599729a47"`
Dec 07 15:25:42.096 INFO [stderr] usermod: no changes
Dec 07 15:25:42.140 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 07 15:25:42.371 INFO [stderr]    Compiling chrono v0.4.6
Dec 07 15:25:45.656 INFO [stderr]    Compiling gitter-slack v0.1.1 (/source)
Dec 07 15:25:52.560 INFO [stderr] warning: variable does not need to be mutable
Dec 07 15:25:52.560 INFO [stderr]    --> src/main.rs:139:17
Dec 07 15:25:52.560 INFO [stderr]     |
Dec 07 15:25:52.560 INFO [stderr] 139 |             let mut bf = &mut buffer;
Dec 07 15:25:52.560 INFO [stderr]     |                 ----^^
Dec 07 15:25:52.560 INFO [stderr]     |                 |
Dec 07 15:25:52.560 INFO [stderr]     |                 help: remove this `mut`
Dec 07 15:25:52.560 INFO [stderr]     |
Dec 07 15:25:52.560 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 15:25:52.560 INFO [stderr] 
Dec 07 15:25:58.418 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.30s
Dec 07 15:25:58.430 INFO [stderr] su: No module specific data is present
Dec 07 15:25:58.931 INFO running `"docker" "inspect" "17b6e47fc3cd892fde5abda8055c958fd8fe81d6739cd3a65c6c9f0599729a47"`
Dec 07 15:25:59.146 INFO running `"docker" "rm" "-f" "17b6e47fc3cd892fde5abda8055c958fd8fe81d6739cd3a65c6c9f0599729a47"`
Dec 07 15:25:59.420 INFO [stdout] 17b6e47fc3cd892fde5abda8055c958fd8fe81d6739cd3a65c6c9f0599729a47
Dec 07 15:25:59.422 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 15:25:59.740 INFO [stdout] 2f2183c39e18684013da5984365813d8a76bb0b0b41716dbc89073512c6c9b3d
Dec 07 15:25:59.741 INFO running `"docker" "start" "-a" "2f2183c39e18684013da5984365813d8a76bb0b0b41716dbc89073512c6c9b3d"`
Dec 07 15:26:00.589 INFO [stderr] usermod: no changes
Dec 07 15:26:00.628 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 07 15:26:00.776 INFO [stderr]    Compiling gitter-slack v0.1.1 (/source)
Dec 07 15:26:07.310 INFO [stderr] warning: variable does not need to be mutable
Dec 07 15:26:07.310 INFO [stderr]    --> src/main.rs:139:17
Dec 07 15:26:07.310 INFO [stderr]     |
Dec 07 15:26:07.310 INFO [stderr] 139 |             let mut bf = &mut buffer;
Dec 07 15:26:07.311 INFO [stderr]     |                 ----^^
Dec 07 15:26:07.311 INFO [stderr]     |                 |
Dec 07 15:26:07.311 INFO [stderr]     |                 help: remove this `mut`
Dec 07 15:26:07.312 INFO [stderr]     |
Dec 07 15:26:07.312 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 15:26:07.312 INFO [stderr] 
Dec 07 15:26:07.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.07s
Dec 07 15:26:07.709 INFO [stderr] su: No module specific data is present
Dec 07 15:26:09.397 INFO running `"docker" "inspect" "2f2183c39e18684013da5984365813d8a76bb0b0b41716dbc89073512c6c9b3d"`
Dec 07 15:26:09.758 INFO running `"docker" "rm" "-f" "2f2183c39e18684013da5984365813d8a76bb0b0b41716dbc89073512c6c9b3d"`
Dec 07 15:26:10.112 INFO [stdout] 2f2183c39e18684013da5984365813d8a76bb0b0b41716dbc89073512c6c9b3d
Dec 07 15:26:10.118 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 15:26:10.642 INFO [stdout] f019fa3d856d3b2d65f8a20c2670338e77ecbf482da8fd29819d70df50f2ec7d
Dec 07 15:26:10.644 INFO running `"docker" "start" "-a" "f019fa3d856d3b2d65f8a20c2670338e77ecbf482da8fd29819d70df50f2ec7d"`
Dec 07 15:26:11.972 INFO [stderr] usermod: no changes
Dec 07 15:26:12.040 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 07 15:26:12.286 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
Dec 07 15:26:12.302 INFO [stderr]      Running /target/debug/deps/gitter_slack-48dd77158253127f
Dec 07 15:26:12.305 INFO [stdout] 
Dec 07 15:26:12.305 INFO [stdout] running 0 tests
Dec 07 15:26:12.305 INFO [stdout] 
Dec 07 15:26:12.305 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 15:26:12.305 INFO [stdout] 
Dec 07 15:26:12.308 INFO [stderr] su: No module specific data is present
Dec 07 15:26:12.634 INFO running `"docker" "inspect" "f019fa3d856d3b2d65f8a20c2670338e77ecbf482da8fd29819d70df50f2ec7d"`
Dec 07 15:26:12.754 INFO running `"docker" "rm" "-f" "f019fa3d856d3b2d65f8a20c2670338e77ecbf482da8fd29819d70df50f2ec7d"`
Dec 07 15:26:12.990 INFO [stdout] f019fa3d856d3b2d65f8a20c2670338e77ecbf482da8fd29819d70df50f2ec7d