[INFO] updating cached repository https://github.com/Fantom-foundation/libconsensus-dag
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/Fantom-foundation/libconsensus-dag
[INFO] [stderr]    7e3d6a8..1f9ec35  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f9ec3570c70d51c060cfc5eba8d76f938890dcb
[INFO] checking Fantom-foundation/libconsensus-dag against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFantom-foundation%2Flibconsensus-dag" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fantom-foundation/libconsensus-dag on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Fantom-foundation/libconsensus-dag
[INFO] finished tweaking git repo https://github.com/Fantom-foundation/libconsensus-dag
[INFO] tweaked toml for git repo https://github.com/Fantom-foundation/libconsensus-dag written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libcommon-rs`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libconsensus`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libhash`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libhash-sha3`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libsignature`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libtransport`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libtransport-tcp`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libsignature-ed25519-dalek`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d403dcb427a8f78382f5bab38dbe8fb404e2ea38234741c934c33a304df32a69
[INFO] running `"docker" "start" "-a" "d403dcb427a8f78382f5bab38dbe8fb404e2ea38234741c934c33a304df32a69"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking to_vec v0.1.0
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking async-timer v0.6.1
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking os_pipe v0.8.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking buffer v0.1.8
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking libcommon-rs v0.0.2 (https://github.com/Fantom-foundation/libcommon-rs#a5b2ac03)
[INFO] [stderr]     Checking libhash v0.1.1 (https://github.com/Fantom-foundation/libhash#f98ab42c)
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]     Checking sled v0.29.2
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/libcommon-rs-5e8b24176ba4c817/a5b2ac0/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `libcommon-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d403dcb427a8f78382f5bab38dbe8fb404e2ea38234741c934c33a304df32a69"`
[INFO] running `"docker" "rm" "-f" "d403dcb427a8f78382f5bab38dbe8fb404e2ea38234741c934c33a304df32a69"`
[INFO] [stdout] d403dcb427a8f78382f5bab38dbe8fb404e2ea38234741c934c33a304df32a69