[INFO] cloning repository https://github.com/Superciety/identity-sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Superciety/identity-sc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperciety%2Fidentity-sc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperciety%2Fidentity-sc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b3f82dcb60f27869edcf53b9f98ec5ed49c1214
[INFO] testing Superciety/identity-sc against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperciety%2Fidentity-sc" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Superciety/identity-sc 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/Superciety/identity-sc
[INFO] finished tweaking git repo https://github.com/Superciety/identity-sc
[INFO] tweaked toml for git repo https://github.com/Superciety/identity-sc written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Superciety/identity-sc 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] dc4120f0225490db34a8c9dceb6ae025a73cadda2ef390b4df03d1c8dc5aeb7f
[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" "dc4120f0225490db34a8c9dceb6ae025a73cadda2ef390b4df03d1c8dc5aeb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc4120f0225490db34a8c9dceb6ae025a73cadda2ef390b4df03d1c8dc5aeb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4120f0225490db34a8c9dceb6ae025a73cadda2ef390b4df03d1c8dc5aeb7f", kill_on_drop: false }`
[INFO] [stdout] dc4120f0225490db34a8c9dceb6ae025a73cadda2ef390b4df03d1c8dc5aeb7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f4b848761feeb66cb80fe10b2a3245414c1a03935eecacb6523eb0b65a6eaed
[INFO] running `Command { std: "docker" "start" "-a" "8f4b848761feeb66cb80fe10b2a3245414c1a03935eecacb6523eb0b65a6eaed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling radix_trie v0.1.6
[INFO] [stderr]    Compiling elrond-codec-derive v0.8.3
[INFO] [stderr]    Compiling elrond-wasm-derive v0.24.0
[INFO] [stderr]    Compiling elrond-codec v0.8.3
[INFO] [stderr]    Compiling elrond-wasm v0.24.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/elrond-wasm-0.24.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type)]
[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/registry/src/github.com-1ecc6299db9ec823/elrond-wasm-0.24.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_trait_v2)]
[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/registry/src/github.com-1ecc6299db9ec823/elrond-wasm-0.24.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(control_flow_enum)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `elrond-wasm` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "8f4b848761feeb66cb80fe10b2a3245414c1a03935eecacb6523eb0b65a6eaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4b848761feeb66cb80fe10b2a3245414c1a03935eecacb6523eb0b65a6eaed", kill_on_drop: false }`
[INFO] [stdout] 8f4b848761feeb66cb80fe10b2a3245414c1a03935eecacb6523eb0b65a6eaed