[INFO] cloning repository https://github.com/Multimo/rusty-chat-tute
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Multimo/rusty-chat-tute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMultimo%2Frusty-chat-tute", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMultimo%2Frusty-chat-tute'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b975b49e350895861a87b47175ee6e3dbef6ca2
[INFO] checking Multimo/rusty-chat-tute against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMultimo%2Frusty-chat-tute" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Multimo/rusty-chat-tute on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Multimo/rusty-chat-tute
[INFO] finished tweaking git repo https://github.com/Multimo/rusty-chat-tute
[INFO] tweaked toml for git repo https://github.com/Multimo/rusty-chat-tute written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Multimo/rusty-chat-tute already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.22.1
[INFO] [stderr]   Downloaded serde_derive v1.0.35
[INFO] [stderr]   Downloaded serde v1.0.35
[INFO] [stderr]   Downloaded maud_macros v0.17.2
[INFO] [stderr]   Downloaded env_logger v0.5.5
[INFO] [stderr]   Downloaded maud v0.17.2
[INFO] [stderr]   Downloaded regex-syntax v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c0412ae7f6b9df2892f6a92a8cf1667d6fda4f8c81bc4e160f39172377858be
[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" "5c0412ae7f6b9df2892f6a92a8cf1667d6fda4f8c81bc4e160f39172377858be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c0412ae7f6b9df2892f6a92a8cf1667d6fda4f8c81bc4e160f39172377858be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0412ae7f6b9df2892f6a92a8cf1667d6fda4f8c81bc4e160f39172377858be", kill_on_drop: false }`
[INFO] [stdout] 5c0412ae7f6b9df2892f6a92a8cf1667d6fda4f8c81bc4e160f39172377858be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1b2891330d59b9e7484d846211227dce4ff3733a469af709537b801f940a276
[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" "b1b2891330d59b9e7484d846211227dce4ff3733a469af709537b801f940a276", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking fallible-iterator v0.1.4
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking md5 v0.3.7
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking num-traits v0.2.2
[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 serde v1.0.35
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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" "b1b2891330d59b9e7484d846211227dce4ff3733a469af709537b801f940a276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b2891330d59b9e7484d846211227dce4ff3733a469af709537b801f940a276", kill_on_drop: false }`
[INFO] [stdout] b1b2891330d59b9e7484d846211227dce4ff3733a469af709537b801f940a276
