[INFO] updating cached repository tedgkassen/rust-slackbot [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tedgkassen/rust-slackbot [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tedgkassen/rust-slackbot" "work/ex/beta-1.38-1/sources/1.37.0/gh/tedgkassen/rust-slackbot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tedgkassen/rust-slackbot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tedgkassen/rust-slackbot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedgkassen/rust-slackbot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedgkassen/rust-slackbot'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0e534fc25874e972c4bb2a8c41774a7f1e896208 [INFO] sha for GitHub repo tedgkassen/rust-slackbot: 0e534fc25874e972c4bb2a8c41774a7f1e896208 [INFO] validating manifest of tedgkassen/rust-slackbot on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tedgkassen/rust-slackbot on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tedgkassen/rust-slackbot [INFO] finished frobbing tedgkassen/rust-slackbot [INFO] frobbed toml for tedgkassen/rust-slackbot written to work/ex/beta-1.38-1/sources/1.37.0/gh/tedgkassen/rust-slackbot/Cargo.toml [INFO] started frobbing tedgkassen/rust-slackbot [INFO] finished frobbing tedgkassen/rust-slackbot [INFO] frobbed toml for tedgkassen/rust-slackbot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedgkassen/rust-slackbot/Cargo.toml [INFO] crate tedgkassen/rust-slackbot already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tedgkassen/rust-slackbot against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tedgkassen/rust-slackbot:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 4f5b875cd0b57be2c0d519072bf348597bc80e3cf7b78f37fe3a35ccf1f16bd6 [INFO] running `"docker" "start" "-a" "4f5b875cd0b57be2c0d519072bf348597bc80e3cf7b78f37fe3a35ccf1f16bd6"` [INFO] [stderr] Compiling native-tls v0.2.1 [INFO] [stderr] Compiling utf-8 v0.7.4 [INFO] [stderr] Compiling subprocess v0.1.16 [INFO] [stderr] Compiling mysqlclient-sys v0.2.3 [INFO] [stderr] Compiling encoding_rs v0.8.10 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling libflate v0.1.18 [INFO] [stderr] Compiling serde_urlencoded v0.5.3 [INFO] [stderr] Compiling diesel_derives v1.3.0 [INFO] [stderr] Compiling sha-1 v0.7.0 [INFO] [stderr] Compiling tokio-threadpool v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling tungstenite v0.6.0 [INFO] [stderr] Compiling tokio-fs v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.2 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] Compiling diesel v1.3.3 [INFO] [stderr] Compiling hyper v0.12.11 [INFO] [stderr] Compiling hyper-tls v0.3.1 [INFO] [stderr] Compiling reqwest v0.9.2 [INFO] [stderr] Compiling slack_api v0.21.0 [INFO] [stderr] Compiling slack v0.22.0 [INFO] [stderr] Compiling mugman v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/standardmessagedispatcher.rs:14:23 [INFO] [stderr] | [INFO] [stderr] 14 | handlers: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StandardMessageHandler` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/standardmessagedispatcher.rs:19:29 [INFO] [stderr] | [INFO] [stderr] 19 | let mut rs: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StandardMessageHandler` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `mugman`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4f5b875cd0b57be2c0d519072bf348597bc80e3cf7b78f37fe3a35ccf1f16bd6"` [INFO] running `"docker" "rm" "-f" "4f5b875cd0b57be2c0d519072bf348597bc80e3cf7b78f37fe3a35ccf1f16bd6"` [INFO] [stdout] 4f5b875cd0b57be2c0d519072bf348597bc80e3cf7b78f37fe3a35ccf1f16bd6