[INFO] cloning repository https://github.com/zmanian/cargo-audit-badge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zmanian/cargo-audit-badge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmanian%2Fcargo-audit-badge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmanian%2Fcargo-audit-badge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39aa83ee740323e060ebd304ab27afd078d024b0
[INFO] testing zmanian/cargo-audit-badge against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmanian%2Fcargo-audit-badge" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zmanian/cargo-audit-badge on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zmanian/cargo-audit-badge
[INFO] finished tweaking git repo https://github.com/zmanian/cargo-audit-badge
[INFO] tweaked toml for git repo https://github.com/zmanian/cargo-audit-badge written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zmanian/cargo-audit-badge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-native-tls v0.2.2
[INFO] [stderr]   Downloaded num_cpus v1.3.0
[INFO] [stderr]   Downloaded mime v0.2.3
[INFO] [stderr]   Downloaded crypt32-sys v0.2.0
[INFO] [stderr]   Downloaded gcc v0.3.45
[INFO] [stderr]   Downloaded cookie v0.6.1
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded openssl v0.9.9
[INFO] [stderr]   Downloaded secur32-sys v0.2.0
[INFO] [stderr]   Downloaded lazy_static v0.2.4
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded hyper v0.10.5
[INFO] [stderr]   Downloaded schannel v0.1.4
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded serde_urlencoded v0.4.2
[INFO] [stderr]   Downloaded native-tls v0.1.1
[INFO] [stderr]   Downloaded reqwest v0.4.0
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] [stderr]   Downloaded toml v0.3.1
[INFO] [stderr]   Downloaded state v0.2.0
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded foreign-types v0.2.0
[INFO] [stderr]   Downloaded security-framework-sys v0.1.12
[INFO] [stderr]   Downloaded rustsec v0.6.0
[INFO] [stderr]   Downloaded security-framework v0.1.12
[INFO] [stderr]   Downloaded version_check v0.1.0
[INFO] [stderr]   Downloaded rocket_codegen v0.2.2
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded rocket v0.2.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65dba6432d4058df4bd810f89f3df7ae87fcaa7d063c4d61d36a060dfd11e3c7
[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" "65dba6432d4058df4bd810f89f3df7ae87fcaa7d063c4d61d36a060dfd11e3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65dba6432d4058df4bd810f89f3df7ae87fcaa7d063c4d61d36a060dfd11e3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65dba6432d4058df4bd810f89f3df7ae87fcaa7d063c4d61d36a060dfd11e3c7", kill_on_drop: false }`
[INFO] [stdout] 65dba6432d4058df4bd810f89f3df7ae87fcaa7d063c4d61d36a060dfd11e3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 019e9d6bf20d363d51ae5465217b8f0af7f1ad4b5f3dc9dede9763dd9920f1cc
[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" "019e9d6bf20d363d51ae5465217b8f0af7f1ad4b5f3dc9dede9763dd9920f1cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling openssl v0.9.9
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.4
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling state v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[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 `state`
[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" "019e9d6bf20d363d51ae5465217b8f0af7f1ad4b5f3dc9dede9763dd9920f1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019e9d6bf20d363d51ae5465217b8f0af7f1ad4b5f3dc9dede9763dd9920f1cc", kill_on_drop: false }`
[INFO] [stdout] 019e9d6bf20d363d51ae5465217b8f0af7f1ad4b5f3dc9dede9763dd9920f1cc