[INFO] fetching crate patch-svd 0.1.0...
[INFO] checking patch-svd-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate patch-svd 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate patch-svd 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate patch-svd 0.1.0
[INFO] finished tweaking crates.io crate patch-svd 0.1.0
[INFO] tweaked toml for crates.io crate patch-svd 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] a535358d3550d6638d5b132d29c663d28fb1ab2a72b0d868b4dc94963fa14c30
[INFO] running `Command { std: "docker" "start" "-a" "a535358d3550d6638d5b132d29c663d28fb1ab2a72b0d868b4dc94963fa14c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a535358d3550d6638d5b132d29c663d28fb1ab2a72b0d868b4dc94963fa14c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a535358d3550d6638d5b132d29c663d28fb1ab2a72b0d868b4dc94963fa14c30", kill_on_drop: false }`
[INFO] [stdout] a535358d3550d6638d5b132d29c663d28fb1ab2a72b0d868b4dc94963fa14c30
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 29d89de31b1e9e83bfe73f71deeb106a1c44a6e3a9ef149b30b3b0061cf0bd56
[INFO] running `Command { std: "docker" "start" "-a" "29d89de31b1e9e83bfe73f71deeb106a1c44a6e3a9ef149b30b3b0061cf0bd56", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking serde-xml-rs v0.4.1
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking patch-xml v0.0.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/patch-xml-0.0.3/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(external_doc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[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/patch-xml-0.0.3/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(external_doc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `patch-xml` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "29d89de31b1e9e83bfe73f71deeb106a1c44a6e3a9ef149b30b3b0061cf0bd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d89de31b1e9e83bfe73f71deeb106a1c44a6e3a9ef149b30b3b0061cf0bd56", kill_on_drop: false }`
[INFO] [stdout] 29d89de31b1e9e83bfe73f71deeb106a1c44a6e3a9ef149b30b3b0061cf0bd56
