[INFO] fetching crate savannah 0.1.0...
[INFO] checking savannah-0.1.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate savannah 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate savannah 0.1.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate savannah 0.1.0
[INFO] finished tweaking crates.io crate savannah 0.1.0
[INFO] tweaked toml for crates.io crate savannah 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76caca62b54f03f08425a7c3bbfe4a03f24f78f9e7a94ee73ec5d5b19b522fb0
[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" "76caca62b54f03f08425a7c3bbfe4a03f24f78f9e7a94ee73ec5d5b19b522fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76caca62b54f03f08425a7c3bbfe4a03f24f78f9e7a94ee73ec5d5b19b522fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76caca62b54f03f08425a7c3bbfe4a03f24f78f9e7a94ee73ec5d5b19b522fb0", kill_on_drop: false }`
[INFO] [stdout] 76caca62b54f03f08425a7c3bbfe4a03f24f78f9e7a94ee73ec5d5b19b522fb0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9396174f0c958118516e55314d89808f8e2a4a24a1adbc99ed8648d3b8da8721
[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" "9396174f0c958118516e55314d89808f8e2a4a24a1adbc99ed8648d3b8da8721", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]     Checking objc v0.2.7
[INFO] [stderr]     Checking savannah v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/version.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         {
[INFO] [stdout] 77 | |             #[cfg(target_os = "macos")]
[INFO] [stdout] 78 | |                 {
[INFO] [stdout] 79 | |                     Os::macOS
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |                 }
[INFO] [stdout] 85 | |         },
[INFO] [stdout]    | |_________^ expected enum `Os`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/version.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         {
[INFO] [stdout] 77 | |             #[cfg(target_os = "macos")]
[INFO] [stdout] 78 | |                 {
[INFO] [stdout] 79 | |                     Os::macOS
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |                 }
[INFO] [stdout] 85 | |         },
[INFO] [stdout]    | |_________^ expected enum `Os`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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 E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `savannah`
[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" "9396174f0c958118516e55314d89808f8e2a4a24a1adbc99ed8648d3b8da8721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9396174f0c958118516e55314d89808f8e2a4a24a1adbc99ed8648d3b8da8721", kill_on_drop: false }`
[INFO] [stdout] 9396174f0c958118516e55314d89808f8e2a4a24a1adbc99ed8648d3b8da8721