[INFO] cloning repository https://github.com/goldsborough/microservice-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goldsborough/microservice-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoldsborough%2Fmicroservice-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoldsborough%2Fmicroservice-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f76469d7da652134ac2c8e9e8afea8f2606f47a
[INFO] checking goldsborough/microservice-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoldsborough%2Fmicroservice-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goldsborough/microservice-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/goldsborough/microservice-rs
[INFO] finished tweaking git repo https://github.com/goldsborough/microservice-rs
[INFO] tweaked toml for git repo https://github.com/goldsborough/microservice-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/goldsborough/microservice-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21569da8e055dc7a09ea9bb5e8480637101aefc2617bc715f79c5e2f24d0f65b
[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" "21569da8e055dc7a09ea9bb5e8480637101aefc2617bc715f79c5e2f24d0f65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21569da8e055dc7a09ea9bb5e8480637101aefc2617bc715f79c5e2f24d0f65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21569da8e055dc7a09ea9bb5e8480637101aefc2617bc715f79c5e2f24d0f65b", kill_on_drop: false }`
[INFO] [stdout] 21569da8e055dc7a09ea9bb5e8480637101aefc2617bc715f79c5e2f24d0f65b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9db97fb1037d6d0a8f78a3de5f0fc2ca4967941537bfb45758ce299154fb0f03
[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" "9db97fb1037d6d0a8f78a3de5f0fc2ca4967941537bfb45758ce299154fb0f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking fallible-iterator v0.1.4
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking md5 v0.3.6
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0 (https://github.com/lfairy/maud#d2af7c3f)
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]     Checking bitflags v1.0.1
[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/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `literalext`
[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" "9db97fb1037d6d0a8f78a3de5f0fc2ca4967941537bfb45758ce299154fb0f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db97fb1037d6d0a8f78a3de5f0fc2ca4967941537bfb45758ce299154fb0f03", kill_on_drop: false }`
[INFO] [stdout] 9db97fb1037d6d0a8f78a3de5f0fc2ca4967941537bfb45758ce299154fb0f03