[INFO] cloning repository https://github.com/tahmidsadik112/rust-async-await-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tahmidsadik112/rust-async-await-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftahmidsadik112%2Frust-async-await-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftahmidsadik112%2Frust-async-await-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 858988e00d47ddf9448194ebd63ba1dee4451625 [INFO] testing tahmidsadik112/rust-async-await-examples against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftahmidsadik112%2Frust-async-await-examples" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tahmidsadik112/rust-async-await-examples on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tahmidsadik112/rust-async-await-examples [INFO] finished tweaking git repo https://github.com/tahmidsadik112/rust-async-await-examples [INFO] tweaked toml for git repo https://github.com/tahmidsadik112/rust-async-await-examples written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/tahmidsadik112/rust-async-await-examples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cc v1.0.31 [INFO] [stderr] Downloaded syn v0.15.29 [INFO] [stderr] Downloaded h2 v0.1.17 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded proc-macro-hack v0.5.4 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded tokio-async-await v0.1.6 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d6c558d11a583708698bb25c62f517456e2c07eea1ad416ba1cd9ea4556c93c [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" "3d6c558d11a583708698bb25c62f517456e2c07eea1ad416ba1cd9ea4556c93c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d6c558d11a583708698bb25c62f517456e2c07eea1ad416ba1cd9ea4556c93c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d6c558d11a583708698bb25c62f517456e2c07eea1ad416ba1cd9ea4556c93c", kill_on_drop: false }` [INFO] [stdout] 3d6c558d11a583708698bb25c62f517456e2c07eea1ad416ba1cd9ea4556c93c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21d547d65fb9d74938c9b12d36d47206b57b90673a48fe2db7335e0e939eedc8 [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" "21d547d65fb9d74938c9b12d36d47206b57b90673a48fe2db7335e0e939eedc8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling either v1.5.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling openssl v0.10.20 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34 [INFO] [stdout] | [INFO] [stdout] 161 | #![cfg_attr(feature = "nightly", feature(pin))] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling string v0.1.3 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] error: could not compile `futures` [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" "21d547d65fb9d74938c9b12d36d47206b57b90673a48fe2db7335e0e939eedc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21d547d65fb9d74938c9b12d36d47206b57b90673a48fe2db7335e0e939eedc8", kill_on_drop: false }` [INFO] [stdout] 21d547d65fb9d74938c9b12d36d47206b57b90673a48fe2db7335e0e939eedc8