[INFO] updating cached repository https://github.com/asampley/UTF-Nate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a7b48f2c8fcc69a3c87ed7f5edc3f54d68c29b7
[INFO] checking asampley/UTF-Nate against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasampley%2FUTF-Nate" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/asampley/UTF-Nate on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asampley/UTF-Nate
[INFO] finished tweaking git repo https://github.com/asampley/UTF-Nate
[INFO] tweaked toml for git repo https://github.com/asampley/UTF-Nate written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/asampley/UTF-Nate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdbabafd04851d850bfa4223ebca21f1095f83189fbb2909664d0eeeb20e451d
[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" "cdbabafd04851d850bfa4223ebca21f1095f83189fbb2909664d0eeeb20e451d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdbabafd04851d850bfa4223ebca21f1095f83189fbb2909664d0eeeb20e451d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbabafd04851d850bfa4223ebca21f1095f83189fbb2909664d0eeeb20e451d", kill_on_drop: false }`
[INFO] [stdout] cdbabafd04851d850bfa4223ebca21f1095f83189fbb2909664d0eeeb20e451d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32c3a53e25f654cb916bc2a6e75a688345103bbc4b1d9a62280e17ac162608a
[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" "a32c3a53e25f654cb916bc2a6e75a688345103bbc4b1d9a62280e17ac162608a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
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[INFO] [stderr]    Compiling serde_derive v1.0.90
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[INFO] [stderr]     Checking reqwest v0.10.4
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[INFO] [stderr]     Checking utf_nate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `volume`
[INFO] [stdout]   --> src/data.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn volume(&self) -> f32 {
[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: associated function is never used: `volume`
[INFO] [stdout]   --> src/data.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn volume(&self) -> f32 {
[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 12s
[INFO] running `Command { std: "docker" "inspect" "a32c3a53e25f654cb916bc2a6e75a688345103bbc4b1d9a62280e17ac162608a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32c3a53e25f654cb916bc2a6e75a688345103bbc4b1d9a62280e17ac162608a", kill_on_drop: false }`
[INFO] [stdout] a32c3a53e25f654cb916bc2a6e75a688345103bbc4b1d9a62280e17ac162608a