[INFO] cloning repository https://github.com/fin-ger/simple-raft-node
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fin-ger/simple-raft-node" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffin-ger%2Fsimple-raft-node", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffin-ger%2Fsimple-raft-node'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ae32e1719b8164535b855207287b7cd248e1370
[INFO] testing fin-ger/simple-raft-node against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffin-ger%2Fsimple-raft-node" "/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/fin-ger/simple-raft-node on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fin-ger/simple-raft-node
[INFO] finished tweaking git repo https://github.com/fin-ger/simple-raft-node
[INFO] tweaked toml for git repo https://github.com/fin-ger/simple-raft-node written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fin-ger/simple-raft-node already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e228b18cb2dcea7e60087ab762c3f3e1f1895216f9a083181c7c4aa644a476f
[INFO] running `Command { std: "docker" "start" "-a" "8e228b18cb2dcea7e60087ab762c3f3e1f1895216f9a083181c7c4aa644a476f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e228b18cb2dcea7e60087ab762c3f3e1f1895216f9a083181c7c4aa644a476f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e228b18cb2dcea7e60087ab762c3f3e1f1895216f9a083181c7c4aa644a476f", kill_on_drop: false }`
[INFO] [stdout] 8e228b18cb2dcea7e60087ab762c3f3e1f1895216f9a083181c7c4aa644a476f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc0170bd89349699baa40a9e9b94f2259aa8f3eab1648c821c1c755efb7ffe47
[INFO] running `Command { std: "docker" "start" "-a" "fc0170bd89349699baa40a9e9b94f2259aa8f3eab1648c821c1c755efb7ffe47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling async-datagram v3.0.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling async-ready v3.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling slog-scope v4.1.2
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rmp v0.8.8
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling slog-stdlog v4.0.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling slog-term v2.4.1
[INFO] [stderr]    Compiling slog-envlogger v2.2.0
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling runtime-raw v0.3.0-alpha.5
[INFO] [stderr]    Compiling juliex v0.3.0-alpha.8
[INFO] [stderr]    Compiling romio v0.3.0-alpha.10
[INFO] [stderr]    Compiling futures-timer v0.3.0
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling runtime-native v0.3.0-alpha.6
[INFO] [stderr]    Compiling protobuf-build v0.10.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling raft-proto v0.6.0-alpha (https://github.com/pingcap/raft-rs?branch=master#d0acd70a)
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]    Compiling runtime v0.3.0-alpha.7
[INFO] [stderr]    Compiling raft v0.6.0-alpha (https://github.com/pingcap/raft-rs?branch=master#d0acd70a)
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling rmp-serde v0.14.0
[INFO] [stderr]    Compiling simple-raft-node v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     vec_remove_item,
[INFO] [stdout] 3 | |     drain_filter,
[INFO] [stdout] 4 | |     trait_alias,
[INFO] [stdout] 5 | |     fn_traits,
[INFO] [stdout] 6 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<u64>` in the current scope
[INFO] [stdout]    --> src/node_core.rs:522:27
[INFO] [stdout]     |
[INFO] [stdout] 522 |             self.proposed.remove_item(&proposal_id);
[INFO] [stdout]     |                           ^^^^^^^^^^^ method not found in `Vec<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<u64>` in the current scope
[INFO] [stdout]    --> src/node_core.rs:880:35
[INFO] [stdout]     |
[INFO] [stdout] 880 |                     self.proposed.remove_item(&proposal_id);
[INFO] [stdout]     |                                   ^^^^^^^^^^^ method not found in `Vec<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-raft-node` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "fc0170bd89349699baa40a9e9b94f2259aa8f3eab1648c821c1c755efb7ffe47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0170bd89349699baa40a9e9b94f2259aa8f3eab1648c821c1c755efb7ffe47", kill_on_drop: false }`
[INFO] [stdout] fc0170bd89349699baa40a9e9b94f2259aa8f3eab1648c821c1c755efb7ffe47