[INFO] cloning repository https://github.com/chucksmash/pingpong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chucksmash/pingpong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchucksmash%2Fpingpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchucksmash%2Fpingpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 656b329e99e4d803c85b020cc6a3f794adb528a8
[INFO] checking chucksmash/pingpong against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchucksmash%2Fpingpong" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chucksmash/pingpong 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/chucksmash/pingpong
[INFO] finished tweaking git repo https://github.com/chucksmash/pingpong
[INFO] tweaked toml for git repo https://github.com/chucksmash/pingpong written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/chucksmash/pingpong 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] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded pq-sys v0.4.4
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded regex-syntax v0.5.0
[INFO] [stderr]   Downloaded regex v0.2.7
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded yansi v0.3.4
[INFO] [stderr]   Downloaded smallvec v0.4.4
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded dotenv v0.9.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.0
[INFO] [stderr]   Downloaded rocket_contrib v0.3.6
[INFO] [stderr]   Downloaded diesel v1.1.1
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded diesel_derives v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded num-traits v0.2.1
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded serde_json v1.0.11
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded serde_derive v1.0.29
[INFO] [stderr]   Downloaded serde_derive_internals v0.20.0
[INFO] [stderr]   Downloaded serde v1.0.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 10181c198175e6e5ee51ba7e51a62fb371e5570387a661cce2e65a265873bf94
[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" "10181c198175e6e5ee51ba7e51a62fb371e5570387a661cce2e65a265873bf94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10181c198175e6e5ee51ba7e51a62fb371e5570387a661cce2e65a265873bf94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10181c198175e6e5ee51ba7e51a62fb371e5570387a661cce2e65a265873bf94", kill_on_drop: false }`
[INFO] [stdout] 10181c198175e6e5ee51ba7e51a62fb371e5570387a661cce2e65a265873bf94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 24784c032633eb31328fc4aa636e0734af91d8b67e3eff175c9e49b23c0d57e0
[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" "24784c032633eb31328fc4aa636e0734af91d8b67e3eff175c9e49b23c0d57e0", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking serde v1.0.29
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]     Checking language-tags 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/yansi-0.3.4/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[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 `yansi`.
[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" "24784c032633eb31328fc4aa636e0734af91d8b67e3eff175c9e49b23c0d57e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24784c032633eb31328fc4aa636e0734af91d8b67e3eff175c9e49b23c0d57e0", kill_on_drop: false }`
[INFO] [stdout] 24784c032633eb31328fc4aa636e0734af91d8b67e3eff175c9e49b23c0d57e0
