[INFO] fetching crate sesh 0.1.0...
[INFO] checking sesh-0.1.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate sesh 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sesh 0.1.0 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 sesh 0.1.0
[INFO] finished tweaking crates.io crate sesh 0.1.0
[INFO] tweaked toml for crates.io crate sesh 0.1.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 496753c43fc698b900aa18ff1351aff0c7544d8c3ff3345a7075ed038b8722b9
[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" "496753c43fc698b900aa18ff1351aff0c7544d8c3ff3345a7075ed038b8722b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "496753c43fc698b900aa18ff1351aff0c7544d8c3ff3345a7075ed038b8722b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496753c43fc698b900aa18ff1351aff0c7544d8c3ff3345a7075ed038b8722b9", kill_on_drop: false }`
[INFO] [stdout] 496753c43fc698b900aa18ff1351aff0c7544d8c3ff3345a7075ed038b8722b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4eb6004eeab34998ca72d3d54b610bd181f2c12ee3e7b7fe2fe0c44e355e5580
[INFO] running `Command { std: "docker" "start" "-a" "4eb6004eeab34998ca72d3d54b610bd181f2c12ee3e7b7fe2fe0c44e355e5580", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking sesh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:125:38
[INFO] [stdout]     |
[INFO] [stdout] 125 |             Err(e) => panic!("{}", e.description()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sesh`.
[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" "4eb6004eeab34998ca72d3d54b610bd181f2c12ee3e7b7fe2fe0c44e355e5580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb6004eeab34998ca72d3d54b610bd181f2c12ee3e7b7fe2fe0c44e355e5580", kill_on_drop: false }`
[INFO] [stdout] 4eb6004eeab34998ca72d3d54b610bd181f2c12ee3e7b7fe2fe0c44e355e5580
