[INFO] updating cached repository https://github.com/tedgkassen/rust-slackbot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0e534fc25874e972c4bb2a8c41774a7f1e896208 [INFO] testing tedgkassen/rust-slackbot against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedgkassen%2Frust-slackbot" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tedgkassen/rust-slackbot on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tedgkassen/rust-slackbot [INFO] finished tweaking git repo https://github.com/tedgkassen/rust-slackbot [INFO] tweaked toml for git repo https://github.com/tedgkassen/rust-slackbot written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/tedgkassen/rust-slackbot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f3cf2f732534d6320bbeb321e845eed166ac6fd2b3947e7acdc4ed49327667d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1f3cf2f732534d6320bbeb321e845eed166ac6fd2b3947e7acdc4ed49327667d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f3cf2f732534d6320bbeb321e845eed166ac6fd2b3947e7acdc4ed49327667d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f3cf2f732534d6320bbeb321e845eed166ac6fd2b3947e7acdc4ed49327667d", kill_on_drop: false }` [INFO] [stdout] 1f3cf2f732534d6320bbeb321e845eed166ac6fd2b3947e7acdc4ed49327667d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f8901ab850174f6202013b124ca5a1ecca806ab28ae714cf3850621f23d98430 [INFO] running `Command { std: "docker" "start" "-a" "f8901ab850174f6202013b124ca5a1ecca806ab28ae714cf3850621f23d98430", kill_on_drop: false }` [INFO] [stderr] Compiling openssl v0.10.12 [INFO] [stderr] Compiling native-tls v0.2.1 [INFO] [stderr] Compiling encoding_rs v0.8.10 [INFO] [stderr] Compiling utf-8 v0.7.4 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling subprocess v0.1.16 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling mysqlclient-sys v0.2.3 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling bytes v0.4.10 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling toml v0.4.8 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling mime v0.3.9 [INFO] [stderr] Compiling serde_json v1.0.32 [INFO] [stderr] Compiling diesel_derives v1.3.0 [INFO] [stderr] Compiling serde_urlencoded v0.5.3 [INFO] [stderr] Compiling libflate v0.1.18 [INFO] [stderr] Compiling sha-1 v0.7.0 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling tokio-threadpool v0.1.7 [INFO] [stderr] Compiling tokio-io v0.1.9 [INFO] [stderr] Compiling http v0.1.13 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling tokio-fs v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.2 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] Compiling tungstenite v0.6.0 [INFO] [stderr] Compiling h2 v0.1.12 [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/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/standardmessagedispatcher.rs:14:23 [INFO] [stdout] | [INFO] [stdout] 14 | handlers: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StandardMessageHandler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/standardmessagedispatcher.rs:19:29 [INFO] [stdout] | [INFO] [stdout] 19 | let mut rs: Vec> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StandardMessageHandler` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mugman`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f8901ab850174f6202013b124ca5a1ecca806ab28ae714cf3850621f23d98430", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8901ab850174f6202013b124ca5a1ecca806ab28ae714cf3850621f23d98430", kill_on_drop: false }` [INFO] [stdout] f8901ab850174f6202013b124ca5a1ecca806ab28ae714cf3850621f23d98430