[INFO] fetching crate build-utils 0.1.0...
[INFO] checking build-utils-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate build-utils 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate build-utils 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate build-utils 0.1.0
[INFO] finished tweaking crates.io crate build-utils 0.1.0
[INFO] tweaked toml for crates.io crate build-utils 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43a6d955f6e8c9294fbbd694d5dc42687aec063209b53237a720d3442d4d3f06
[INFO] running `Command { std: "docker" "start" "-a" "43a6d955f6e8c9294fbbd694d5dc42687aec063209b53237a720d3442d4d3f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43a6d955f6e8c9294fbbd694d5dc42687aec063209b53237a720d3442d4d3f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a6d955f6e8c9294fbbd694d5dc42687aec063209b53237a720d3442d4d3f06", kill_on_drop: false }`
[INFO] [stdout] 43a6d955f6e8c9294fbbd694d5dc42687aec063209b53237a720d3442d4d3f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcb9fbe6b7fac0892666c36af14b386f074723622db8447c564e4b21b3549f55
[INFO] running `Command { std: "docker" "start" "-a" "dcb9fbe6b7fac0892666c36af14b386f074723622db8447c564e4b21b3549f55", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking build-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util::create_temporary_path`
[INFO] [stdout]    --> src/build/meson.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     use crate::util::create_temporary_path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `checkout_submodule`
[INFO] [stdout]   --> src/source/download.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     checkout_submodule: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_persistent`
[INFO] [stdout]   --> src/util.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn from_persistent(path: PathBuf) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `checkout_submodule`
[INFO] [stdout]   --> src/source/download.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     checkout_submodule: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_persistent`
[INFO] [stdout]   --> src/util.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn from_persistent(path: PathBuf) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "dcb9fbe6b7fac0892666c36af14b386f074723622db8447c564e4b21b3549f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb9fbe6b7fac0892666c36af14b386f074723622db8447c564e4b21b3549f55", kill_on_drop: false }`
[INFO] [stdout] dcb9fbe6b7fac0892666c36af14b386f074723622db8447c564e4b21b3549f55