[INFO] fetching crate parse-hosts 0.5.0...
[INFO] checking parse-hosts-0.5.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate parse-hosts 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate parse-hosts 0.5.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parse-hosts 0.5.0
[INFO] finished tweaking crates.io crate parse-hosts 0.5.0
[INFO] tweaked toml for crates.io crate parse-hosts 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b28c0fce10215562632d1739e7e25ee7d775a1529e3c00c9f9dbcc9e250ac09f
[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" "b28c0fce10215562632d1739e7e25ee7d775a1529e3c00c9f9dbcc9e250ac09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b28c0fce10215562632d1739e7e25ee7d775a1529e3c00c9f9dbcc9e250ac09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28c0fce10215562632d1739e7e25ee7d775a1529e3c00c9f9dbcc9e250ac09f", kill_on_drop: false }`
[INFO] [stdout] b28c0fce10215562632d1739e7e25ee7d775a1529e3c00c9f9dbcc9e250ac09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91d86870880aaf8999b7f70af21b7c13eecb5f45ad18300707fff6ef20b56d86
[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" "91d86870880aaf8999b7f70af21b7c13eecb5f45ad18300707fff6ef20b56d86", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking extra-default v0.2.0
[INFO] [stderr]     Checking len-trait v0.6.1
[INFO] [stderr]     Checking bow v1.0.3
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::Into<std::boxed::Box<_>>` for type `Bow<'_, _>`:
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bow-1.0.3/src/lib.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl<'a, T: 'a + ToBox + ?Sized> Into<boxed::Box<T>> for Bow<'a, T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: conflicting implementation in crate `core`:
[INFO] [stdout]             - impl<T, U> std::convert::Into<U> for T
[INFO] [stdout]               where U: std::convert::From<T>;
[INFO] [stdout]     = note: downstream crates may implement trait `std::convert::From<Bow<'_, _>>` for type `std::boxed::Box<_>`
[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 E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bow`.
[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" "91d86870880aaf8999b7f70af21b7c13eecb5f45ad18300707fff6ef20b56d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d86870880aaf8999b7f70af21b7c13eecb5f45ad18300707fff6ef20b56d86", kill_on_drop: false }`
[INFO] [stdout] 91d86870880aaf8999b7f70af21b7c13eecb5f45ad18300707fff6ef20b56d86