[INFO] cloning repository https://github.com/themadprofessor/rash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/themadprofessor/rash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81efcadd9f582f8110fea37b3ca85ccd89eac2b8
[INFO] checking themadprofessor/rash against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frash" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/themadprofessor/rash 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/themadprofessor/rash
[INFO] finished tweaking git repo https://github.com/themadprofessor/rash
[INFO] tweaked toml for git repo https://github.com/themadprofessor/rash written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/themadprofessor/rash 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] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded whirlpool v0.7.1
[INFO] [stderr]   Downloaded block-buffer v0.2.0-tmp
[INFO] [stderr]   Downloaded sha3 v0.7.3
[INFO] [stderr]   Downloaded groestl v0.7.0
[INFO] [stderr]   Downloaded blake2 v0.7.1
[INFO] [stderr]   Downloaded test-case-derive v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 110cd40bf4dd1d9a9cf3ccb4aacf1ea2f45fa1c2d950e72b616a5731bfa82413
[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" "110cd40bf4dd1d9a9cf3ccb4aacf1ea2f45fa1c2d950e72b616a5731bfa82413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "110cd40bf4dd1d9a9cf3ccb4aacf1ea2f45fa1c2d950e72b616a5731bfa82413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110cd40bf4dd1d9a9cf3ccb4aacf1ea2f45fa1c2d950e72b616a5731bfa82413", kill_on_drop: false }`
[INFO] [stdout] 110cd40bf4dd1d9a9cf3ccb4aacf1ea2f45fa1c2d950e72b616a5731bfa82413
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a8c0d7b5880329ae699bad97443ddace31884370c16ae2d7847996c7e61e5022
[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" "a8c0d7b5880329ae699bad97443ddace31884370c16ae2d7847996c7e61e5022", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking block-buffer v0.2.0-tmp
[INFO] [stderr]     Checking sha3 v0.7.3
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking whirlpool v0.7.1
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking groestl v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling test-case-derive v0.2.3
[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/test-case-derive-0.2.3/src/lib.rs:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(proc_macro)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `test-case-derive`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[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" "a8c0d7b5880329ae699bad97443ddace31884370c16ae2d7847996c7e61e5022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c0d7b5880329ae699bad97443ddace31884370c16ae2d7847996c7e61e5022", kill_on_drop: false }`
[INFO] [stdout] a8c0d7b5880329ae699bad97443ddace31884370c16ae2d7847996c7e61e5022
