[INFO] cloning repository https://github.com/artifice-network/manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artifice-network/manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartifice-network%2Fmanager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartifice-network%2Fmanager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c2c794cf9a6c68b5141fdb27676ee82e7c9af5d
[INFO] testing artifice-network/manager against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartifice-network%2Fmanager" "/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/artifice-network/manager on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/artifice-network/manager
[INFO] removed path dependency networking from git repo https://github.com/artifice-network/manager
[INFO] finished tweaking git repo https://github.com/artifice-network/manager
[INFO] tweaked toml for git repo https://github.com/artifice-network/manager written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/artifice-network/manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (networking) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (networking) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded sys-info v0.7.0
[INFO] [stderr]   Downloaded serde-xml-rs v0.4.0
[INFO] [stderr]   Downloaded rust_info v0.3.1
[INFO] [stderr]   Downloaded networking v0.1.9
[INFO] [stderr]   Downloaded rust-gmp v0.5.0
[INFO] [stderr]   Downloaded virt v0.2.11
[INFO] [stderr]   Downloaded paillier v0.2.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 374d037ac28d5975447c3f4ed77f6a8fd42a9f626f7d70bda240989a72dc7297
[INFO] running `Command { std: "docker" "start" "-a" "374d037ac28d5975447c3f4ed77f6a8fd42a9f626f7d70bda240989a72dc7297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374d037ac28d5975447c3f4ed77f6a8fd42a9f626f7d70bda240989a72dc7297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374d037ac28d5975447c3f4ed77f6a8fd42a9f626f7d70bda240989a72dc7297", kill_on_drop: false }`
[INFO] [stdout] 374d037ac28d5975447c3f4ed77f6a8fd42a9f626f7d70bda240989a72dc7297
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 8f4428bb4a414dff34b5d0d29bf636ae1ec92d54bacde52ca1515132df76512a
[INFO] running `Command { std: "docker" "start" "-a" "8f4428bb4a414dff34b5d0d29bf636ae1ec92d54bacde52ca1515132df76512a", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (networking) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling rust_info v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling sys-info v0.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rust-gmp v0.5.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling pem v0.8.2
[INFO] [stderr]    Compiling simple_asn1 v0.4.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ipnetwork v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling serde-xml-rs v0.4.0
[INFO] [stderr]    Compiling pin-project v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling rsa v0.3.0
[INFO] [stderr]    Compiling paillier v0.2.0
[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/paillier-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/paillier-0.2.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(specialization)]
[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 `paillier`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8f4428bb4a414dff34b5d0d29bf636ae1ec92d54bacde52ca1515132df76512a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4428bb4a414dff34b5d0d29bf636ae1ec92d54bacde52ca1515132df76512a", kill_on_drop: false }`
[INFO] [stdout] 8f4428bb4a414dff34b5d0d29bf636ae1ec92d54bacde52ca1515132df76512a