[INFO] fetching crate fdt-rs 0.4.2...
[INFO] checking fdt-rs-0.4.2 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate fdt-rs 0.4.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fdt-rs 0.4.2 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fdt-rs 0.4.2
[INFO] finished tweaking crates.io crate fdt-rs 0.4.2
[INFO] tweaked toml for crates.io crate fdt-rs 0.4.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] 7ebe22aa803879d5e1df39843a6746eff7adabb6f696539ce5326ed5b932ea3d
[INFO] running `Command { std: "docker" "start" "-a" "7ebe22aa803879d5e1df39843a6746eff7adabb6f696539ce5326ed5b932ea3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ebe22aa803879d5e1df39843a6746eff7adabb6f696539ce5326ed5b932ea3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ebe22aa803879d5e1df39843a6746eff7adabb6f696539ce5326ed5b932ea3d", kill_on_drop: false }`
[INFO] [stdout] 7ebe22aa803879d5e1df39843a6746eff7adabb6f696539ce5326ed5b932ea3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] 43a9fad1073ab69f46ce7f2ad179a83eca291e4ea3ed4cef71948ccc8232d442
[INFO] running `Command { std: "docker" "start" "-a" "43a9fad1073ab69f46ce7f2ad179a83eca291e4ea3ed4cef71948ccc8232d442", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking endian-type-rs v0.1.4
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling fdt-rs v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:27:39
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![cfg_attr(RUSTC_IS_NIGHTLY, 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[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:27:39
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![cfg_attr(RUSTC_IS_NIGHTLY, 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fdt-rs`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "43a9fad1073ab69f46ce7f2ad179a83eca291e4ea3ed4cef71948ccc8232d442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a9fad1073ab69f46ce7f2ad179a83eca291e4ea3ed4cef71948ccc8232d442", kill_on_drop: false }`
[INFO] [stdout] 43a9fad1073ab69f46ce7f2ad179a83eca291e4ea3ed4cef71948ccc8232d442