[INFO] fetching crate milo 0.0.1...
[INFO] checking milo-0.0.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate milo 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate milo 0.0.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate milo 0.0.1
[INFO] finished tweaking crates.io crate milo 0.0.1
[INFO] tweaked toml for crates.io crate milo 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f03091169ca8bf4de85fd40d542deb102ab52d799e2dc50db2323bb11938e6f
[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" "3f03091169ca8bf4de85fd40d542deb102ab52d799e2dc50db2323bb11938e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f03091169ca8bf4de85fd40d542deb102ab52d799e2dc50db2323bb11938e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f03091169ca8bf4de85fd40d542deb102ab52d799e2dc50db2323bb11938e6f", kill_on_drop: false }`
[INFO] [stdout] 3f03091169ca8bf4de85fd40d542deb102ab52d799e2dc50db2323bb11938e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19924a77419d8a6331c310bd9d76072fd2deaec87449968b2348aae75f3ac3db
[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" "19924a77419d8a6331c310bd9d76072fd2deaec87449968b2348aae75f3ac3db", kill_on_drop: false }`
[INFO] [stderr]     Checking milo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `ilog`
[INFO] [stdout]  --> src/util.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn ilog(n: isize) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/util.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn clamp(lo: isize, x: isize, hi: isize) -> isize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ilog`
[INFO] [stdout]  --> src/util.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn ilog(n: isize) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/util.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn clamp(lo: isize, x: isize, hi: isize) -> isize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "19924a77419d8a6331c310bd9d76072fd2deaec87449968b2348aae75f3ac3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19924a77419d8a6331c310bd9d76072fd2deaec87449968b2348aae75f3ac3db", kill_on_drop: false }`
[INFO] [stdout] 19924a77419d8a6331c310bd9d76072fd2deaec87449968b2348aae75f3ac3db