[INFO] updating cached repository https://github.com/ThatsGobbles/niente
[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] aa6fec56f2d3c29c47f6ed81ee681c3238090a37
[INFO] checking ThatsGobbles/niente against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fniente" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/niente 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/ThatsGobbles/niente
[INFO] finished tweaking git repo https://github.com/ThatsGobbles/niente
[INFO] tweaked toml for git repo https://github.com/ThatsGobbles/niente written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/niente 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e4d298c54e1c9388a91ecabeae30dc2176b9ee25d92df1620b438a99e02150f4
[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" "e4d298c54e1c9388a91ecabeae30dc2176b9ee25d92df1620b438a99e02150f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d298c54e1c9388a91ecabeae30dc2176b9ee25d92df1620b438a99e02150f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d298c54e1c9388a91ecabeae30dc2176b9ee25d92df1620b438a99e02150f4", kill_on_drop: false }`
[INFO] [stdout] e4d298c54e1c9388a91ecabeae30dc2176b9ee25d92df1620b438a99e02150f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 84d1e8d9f7a1834c207228b8c6a6c6712a0d640ed1ea1040179deb9215a6cc61
[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" "84d1e8d9f7a1834c207228b8c6a6c6712a0d640ed1ea1040179deb9215a6cc61", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]    Compiling circular-queue v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking regulus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/gating.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::wave::WaveKind`
[INFO] [stdout]   --> src/gating.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     use crate::wave::WaveKind;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::wave::WaveGen`
[INFO] [stdout]   --> src/gating.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use crate::wave::WaveGen;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "84d1e8d9f7a1834c207228b8c6a6c6712a0d640ed1ea1040179deb9215a6cc61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d1e8d9f7a1834c207228b8c6a6c6712a0d640ed1ea1040179deb9215a6cc61", kill_on_drop: false }`
[INFO] [stdout] 84d1e8d9f7a1834c207228b8c6a6c6712a0d640ed1ea1040179deb9215a6cc61