[INFO] fetching crate milo 0.0.1...
[INFO] checking milo-0.0.1 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate milo 0.0.1 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate milo 0.0.1 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bed6df30a03f4e02de52cc6e17986d7215cd2fab5b4d9bda7334a0b807afd56
[INFO] running `Command { std: "docker" "start" "-a" "1bed6df30a03f4e02de52cc6e17986d7215cd2fab5b4d9bda7334a0b807afd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bed6df30a03f4e02de52cc6e17986d7215cd2fab5b4d9bda7334a0b807afd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bed6df30a03f4e02de52cc6e17986d7215cd2fab5b4d9bda7334a0b807afd56", kill_on_drop: false }`
[INFO] [stdout] 1bed6df30a03f4e02de52cc6e17986d7215cd2fab5b4d9bda7334a0b807afd56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2269218546091fd2176b3ec14c39ba17fd50c70d987518a8f1c5b5fcdb7fd0
[INFO] running `Command { std: "docker" "start" "-a" "ea2269218546091fd2176b3ec14c39ba17fd50c70d987518a8f1c5b5fcdb7fd0", kill_on_drop: false }`
[INFO] [stderr]     Checking milo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `mode`, `bandwidth`, and `frame_size` are never read
[INFO] [stdout]   --> src/common.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct PacketHeader {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 32 |     mode: Mode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     bandwidth: Band,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 34 |     frame_size: FrameSize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PacketHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ilog` is never used
[INFO] [stdout]  --> src/util.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn ilog(n: isize) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mode`, `bandwidth`, and `frame_size` are never read
[INFO] [stdout]   --> src/common.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct PacketHeader {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 32 |     mode: Mode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     bandwidth: Band,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 34 |     frame_size: FrameSize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PacketHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ilog` is never used
[INFO] [stdout]  --> src/util.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn ilog(n: isize) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clamp` is never used
[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: function `clamp` is never used
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "ea2269218546091fd2176b3ec14c39ba17fd50c70d987518a8f1c5b5fcdb7fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2269218546091fd2176b3ec14c39ba17fd50c70d987518a8f1c5b5fcdb7fd0", kill_on_drop: false }`
[INFO] [stdout] ea2269218546091fd2176b3ec14c39ba17fd50c70d987518a8f1c5b5fcdb7fd0
