[INFO] fetching crate webthing 0.14.0...
[INFO] checking webthing-0.14.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate webthing 0.14.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate webthing 0.14.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webthing 0.14.0
[INFO] finished tweaking crates.io crate webthing 0.14.0
[INFO] tweaked toml for crates.io crate webthing 0.14.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate webthing 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 83d2b63c40f65e45eea89a573d40e07a194812c6a681fea90f6b6454e95fecfc
[INFO] running `Command { std: "docker" "start" "-a" "83d2b63c40f65e45eea89a573d40e07a194812c6a681fea90f6b6454e95fecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83d2b63c40f65e45eea89a573d40e07a194812c6a681fea90f6b6454e95fecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d2b63c40f65e45eea89a573d40e07a194812c6a681fea90f6b6454e95fecfc", kill_on_drop: false }`
[INFO] [stdout] 83d2b63c40f65e45eea89a573d40e07a194812c6a681fea90f6b6454e95fecfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbb9a89310023d3c6e8e2ccaefe1e10a958b2bc25f956b3a101770d733b74164
[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" "dbb9a89310023d3c6e8e2ccaefe1e10a958b2bc25f956b3a101770d733b74164", kill_on_drop: false }`
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[INFO] [stderr]     Checking libmdns v0.6.0
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[INFO] [stderr]     Checking webthing v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `dns_service`
[INFO] [stdout]    --> src/server.rs:898:5
[INFO] [stdout]     |
[INFO] [stdout] 898 |     dns_service: Option<libmdns::Service>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dns_service`
[INFO] [stdout]    --> src/server.rs:898:5
[INFO] [stdout]     |
[INFO] [stdout] 898 |     dns_service: Option<libmdns::Service>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 50s
[INFO] running `Command { std: "docker" "inspect" "dbb9a89310023d3c6e8e2ccaefe1e10a958b2bc25f956b3a101770d733b74164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb9a89310023d3c6e8e2ccaefe1e10a958b2bc25f956b3a101770d733b74164", kill_on_drop: false }`
[INFO] [stdout] dbb9a89310023d3c6e8e2ccaefe1e10a958b2bc25f956b3a101770d733b74164