[INFO] fetching crate rmp-serde 0.14.4...
[INFO] checking rmp-serde-0.14.4 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate rmp-serde 0.14.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rmp-serde 0.14.4 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 crates.io crate rmp-serde 0.14.4
[INFO] finished tweaking crates.io crate rmp-serde 0.14.4
[INFO] tweaked toml for crates.io crate rmp-serde 0.14.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 755cb9eb15af0825fada55cc7ffb93343add1ec2b206a48ece8b410ae6e8154c
[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" "755cb9eb15af0825fada55cc7ffb93343add1ec2b206a48ece8b410ae6e8154c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "755cb9eb15af0825fada55cc7ffb93343add1ec2b206a48ece8b410ae6e8154c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755cb9eb15af0825fada55cc7ffb93343add1ec2b206a48ece8b410ae6e8154c", kill_on_drop: false }`
[INFO] [stdout] 755cb9eb15af0825fada55cc7ffb93343add1ec2b206a48ece8b410ae6e8154c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f6d97966bbc7e793e27ff5b1dc2d37ed58517cdf6b8c75cd571a91483a588b8f
[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" "f6d97966bbc7e793e27ff5b1dc2d37ed58517cdf6b8c75cd571a91483a588b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking rmp-serde v0.14.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/buf.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `rmp-serde`.
[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] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `rmpv`
[INFO] [stdout]    --> tests/round.rs:416:85
[INFO] [stdout]     |
[INFO] [stdout] 416 | ...   panic!("Does not deserialize: {}\nSerialized {:?}\nGot {:?}\n", e, val, rmpv::decode::value::read_value(&mut seriaized.as_slice())....
[INFO] [stdout]     |                                                                               ^^^^ use of undeclared type or module `rmpv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f6d97966bbc7e793e27ff5b1dc2d37ed58517cdf6b8c75cd571a91483a588b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d97966bbc7e793e27ff5b1dc2d37ed58517cdf6b8c75cd571a91483a588b8f", kill_on_drop: false }`
[INFO] [stdout] f6d97966bbc7e793e27ff5b1dc2d37ed58517cdf6b8c75cd571a91483a588b8f
