[INFO] fetching crate yolo 0.1.2...
[INFO] checking yolo-0.1.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate yolo 0.1.2 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate yolo 0.1.2 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 yolo 0.1.2
[INFO] finished tweaking crates.io crate yolo 0.1.2
[INFO] tweaked toml for crates.io crate yolo 0.1.2 written to /workspace/builds/worker-39/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] bec1a76f4ba9771e3921e5ea3407ec8651b4ffdcc5d15577ad73023c2d2376a0
[INFO] running `Command { std: "docker" "start" "-a" "bec1a76f4ba9771e3921e5ea3407ec8651b4ffdcc5d15577ad73023c2d2376a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec1a76f4ba9771e3921e5ea3407ec8651b4ffdcc5d15577ad73023c2d2376a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec1a76f4ba9771e3921e5ea3407ec8651b4ffdcc5d15577ad73023c2d2376a0", kill_on_drop: false }`
[INFO] [stdout] bec1a76f4ba9771e3921e5ea3407ec8651b4ffdcc5d15577ad73023c2d2376a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 5edcf41db170aaa53ab8d5364841e17c1c00fdb721216703ec5b6b399a68ad20
[INFO] running `Command { std: "docker" "start" "-a" "5edcf41db170aaa53ab8d5364841e17c1c00fdb721216703ec5b6b399a68ad20", kill_on_drop: false }`
[INFO] [stderr]     Checking yolo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_result`
[INFO] [stdout]   --> src/lib.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn get_result(v : i32) -> Result<i32, ()> {
[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 0.17s
[INFO] running `Command { std: "docker" "inspect" "5edcf41db170aaa53ab8d5364841e17c1c00fdb721216703ec5b6b399a68ad20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5edcf41db170aaa53ab8d5364841e17c1c00fdb721216703ec5b6b399a68ad20", kill_on_drop: false }`
[INFO] [stdout] 5edcf41db170aaa53ab8d5364841e17c1c00fdb721216703ec5b6b399a68ad20