[INFO] cloning repository https://github.com/daviswahl/leaky-raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daviswahl/leaky-raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviswahl%2Fleaky-raft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviswahl%2Fleaky-raft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2409d85d3d584d4068111e42aae0f48747e5d85
[INFO] testing daviswahl/leaky-raft against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviswahl%2Fleaky-raft" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daviswahl/leaky-raft on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daviswahl/leaky-raft
[INFO] finished tweaking git repo https://github.com/daviswahl/leaky-raft
[INFO] tweaked toml for git repo https://github.com/daviswahl/leaky-raft written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/daviswahl/leaky-raft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/daviswahl/tarpc.git`
[INFO] [stderr]     Updating git repository `https://github.com/google/tarpc.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pagetable v0.1.5
[INFO] [stderr]   Downloaded sled_sync v0.2.2
[INFO] [stderr]   Downloaded sled_sync v0.3.0
[INFO] [stderr]   Downloaded historian v3.0.11
[INFO] [stderr]   Downloaded tokio-serde v0.3.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.4
[INFO] [stderr]   Downloaded pagecache v0.10.2
[INFO] [stderr]   Downloaded sled v0.18.1
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.2
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded tokio-async-await v0.1.6
[INFO] [stderr]   Downloaded async-bincode v0.4.9
[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-executor-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded tokio-serde-bincode v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baf8ea9bd07dd9bad9454dd577971d43efafab7b110e94d2cf51f0cb55fe5901
[INFO] running `Command { std: "docker" "start" "-a" "baf8ea9bd07dd9bad9454dd577971d43efafab7b110e94d2cf51f0cb55fe5901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baf8ea9bd07dd9bad9454dd577971d43efafab7b110e94d2cf51f0cb55fe5901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf8ea9bd07dd9bad9454dd577971d43efafab7b110e94d2cf51f0cb55fe5901", kill_on_drop: false }`
[INFO] [stdout] baf8ea9bd07dd9bad9454dd577971d43efafab7b110e94d2cf51f0cb55fe5901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1b9a641632c9bec994b88c8f19903cc742b5ad2d0849ed406290b965f6d2dfc
[INFO] running `Command { std: "docker" "start" "-a" "a1b9a641632c9bec994b88c8f19903cc742b5ad2d0849ed406290b965f6d2dfc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[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 owning_ref v0.4.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[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] error: could not compile `futures` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a1b9a641632c9bec994b88c8f19903cc742b5ad2d0849ed406290b965f6d2dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b9a641632c9bec994b88c8f19903cc742b5ad2d0849ed406290b965f6d2dfc", kill_on_drop: false }`
[INFO] [stdout] a1b9a641632c9bec994b88c8f19903cc742b5ad2d0849ed406290b965f6d2dfc
