[INFO] cloning repository https://github.com/Holo-Host/accountant-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Holo-Host/accountant-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHolo-Host%2Faccountant-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHolo-Host%2Faccountant-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a8cadb2605cbff8da5b2a64de177a722ac8faff
[INFO] checking Holo-Host/accountant-app against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHolo-Host%2Faccountant-app" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Holo-Host/accountant-app on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Holo-Host/accountant-app
[INFO] finished tweaking git repo https://github.com/Holo-Host/accountant-app
[INFO] tweaked toml for git repo https://github.com/Holo-Host/accountant-app written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Holo-Host/accountant-app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f8c6e3fa0b5646771e351baf8669662e4de1dc1ff5d7f628bf22153f8c70340
[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" "7f8c6e3fa0b5646771e351baf8669662e4de1dc1ff5d7f628bf22153f8c70340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f8c6e3fa0b5646771e351baf8669662e4de1dc1ff5d7f628bf22153f8c70340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f8c6e3fa0b5646771e351baf8669662e4de1dc1ff5d7f628bf22153f8c70340", kill_on_drop: false }`
[INFO] [stdout] 7f8c6e3fa0b5646771e351baf8669662e4de1dc1ff5d7f628bf22153f8c70340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61e04f367471ac51109c27de39cdcaf1aa96743501f204caf6805acf500962bd
[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" "61e04f367471ac51109c27de39cdcaf1aa96743501f204caf6805acf500962bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]     Checking multihash v0.8.0
[INFO] [stderr]     Checking futures-util-preview v0.2.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking futures-executor-preview v0.2.2
[INFO] [stderr]     Checking futures-stable-preview v0.2.3
[INFO] [stderr]     Checking futures-async-runtime-preview v0.2.3
[INFO] [stderr]     Checking futures-preview v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rust-base58 v0.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling holochain_core_types_derive v0.0.1 (https://github.com/holochain/holochain-rust?branch=develop#b3657b86)
[INFO] [stderr]     Checking holochain_core_types v0.0.1 (https://github.com/holochain/holochain-rust?branch=develop#b3657b86)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/holochain-rust-c3b6365fc5bfa642/b3657b8/core_types/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(try_from)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/holochain-rust-c3b6365fc5bfa642/b3657b8/core_types/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(never_type)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `holochain_core_types` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "61e04f367471ac51109c27de39cdcaf1aa96743501f204caf6805acf500962bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e04f367471ac51109c27de39cdcaf1aa96743501f204caf6805acf500962bd", kill_on_drop: false }`
[INFO] [stdout] 61e04f367471ac51109c27de39cdcaf1aa96743501f204caf6805acf500962bd
