[INFO] fetching crate uvm_core 0.9.0...
[INFO] checking uvm_core-0.9.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate uvm_core 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate uvm_core 0.9.0 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 uvm_core 0.9.0
[INFO] finished tweaking crates.io crate uvm_core 0.9.0
[INFO] tweaked toml for crates.io crate uvm_core 0.9.0 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] bf4b546274e7380220fa44065d896657c1d5392a7f0bfc9c2135748ed2483966
[INFO] running `Command { std: "docker" "start" "-a" "bf4b546274e7380220fa44065d896657c1d5392a7f0bfc9c2135748ed2483966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf4b546274e7380220fa44065d896657c1d5392a7f0bfc9c2135748ed2483966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4b546274e7380220fa44065d896657c1d5392a7f0bfc9c2135748ed2483966", kill_on_drop: false }`
[INFO] [stdout] bf4b546274e7380220fa44065d896657c1d5392a7f0bfc9c2135748ed2483966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4594fd43c3c68145d6697b65c038a2231a919710a97460f7980d8e234e741172
[INFO] running `Command { std: "docker" "start" "-a" "4594fd43c3c68145d6697b65c038a2231a919710a97460f7980d8e234e741172", 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] [stderr]    Compiling libc v0.2.98
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[INFO] [stderr]     Checking uvm_core v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/unity/version/module.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref UNITY_BASE_PATTERN: &'static Path = { Path::new("{UNITY_PATH}") };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/unity/version/manifest/ini.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     use std::fs;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile`
[INFO] [stdout]    --> src/unity/version/manifest/ini.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use tempfile;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/unity/version/module.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref UNITY_BASE_PATTERN: &'static Path = { Path::new("{UNITY_PATH}") };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unity/urls.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |             warn!("{}", err.description());
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unity/version/hash.rs:82:44
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     warn!("error: {}", err.description());
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unity/urls.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |             warn!("{}", err.description());
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unity/version/hash.rs:82:44
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     warn!("error: {}", err.description());
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.24s
[INFO] running `Command { std: "docker" "inspect" "4594fd43c3c68145d6697b65c038a2231a919710a97460f7980d8e234e741172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4594fd43c3c68145d6697b65c038a2231a919710a97460f7980d8e234e741172", kill_on_drop: false }`
[INFO] [stdout] 4594fd43c3c68145d6697b65c038a2231a919710a97460f7980d8e234e741172