[INFO] fetching crate evalexpr 5.0.5...
[INFO] checking evalexpr-5.0.5 against beta for pr-78714
[INFO] extracting crate evalexpr 5.0.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate evalexpr 5.0.5 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 crates.io crate evalexpr 5.0.5
[INFO] finished tweaking crates.io crate evalexpr 5.0.5
[INFO] tweaked toml for crates.io crate evalexpr 5.0.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcccb7fb9d546f1ec525b3b368a9505ff5a8e70bc2184d1d9eb68263738c7f13
[INFO] running `Command { std: "docker" "start" "-a" "fcccb7fb9d546f1ec525b3b368a9505ff5a8e70bc2184d1d9eb68263738c7f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcccb7fb9d546f1ec525b3b368a9505ff5a8e70bc2184d1d9eb68263738c7f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcccb7fb9d546f1ec525b3b368a9505ff5a8e70bc2184d1d9eb68263738c7f13", kill_on_drop: false }`
[INFO] [stdout] fcccb7fb9d546f1ec525b3b368a9505ff5a8e70bc2184d1d9eb68263738c7f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7db562395e6533621dac8f2699f70eb95c6af2a4bab1a552ad1a5d4eb16688ac
[INFO] running `Command { std: "docker" "start" "-a" "7db562395e6533621dac8f2699f70eb95c6af2a4bab1a552ad1a5d4eb16688ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking evalexpr v5.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/benchs.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] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/integration.rs:455:5
[INFO] [stdout]     |
[INFO] [stdout] 455 |     ;
[INFO] [stdout]     |     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `evalexpr`
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7db562395e6533621dac8f2699f70eb95c6af2a4bab1a552ad1a5d4eb16688ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db562395e6533621dac8f2699f70eb95c6af2a4bab1a552ad1a5d4eb16688ac", kill_on_drop: false }`
[INFO] [stdout] 7db562395e6533621dac8f2699f70eb95c6af2a4bab1a552ad1a5d4eb16688ac