[INFO] fetching crate opus-cmake-sys 1.0.6...
[INFO] checking opus-cmake-sys-1.0.6 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate opus-cmake-sys 1.0.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate opus-cmake-sys 1.0.6 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opus-cmake-sys 1.0.6
[INFO] finished tweaking crates.io crate opus-cmake-sys 1.0.6
[INFO] tweaked toml for crates.io crate opus-cmake-sys 1.0.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef9f90ae7502ba747e37d34df4c90bf18b38911190cc2c54668ac5dfade2df14
[INFO] running `Command { std: "docker" "start" "-a" "ef9f90ae7502ba747e37d34df4c90bf18b38911190cc2c54668ac5dfade2df14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef9f90ae7502ba747e37d34df4c90bf18b38911190cc2c54668ac5dfade2df14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9f90ae7502ba747e37d34df4c90bf18b38911190cc2c54668ac5dfade2df14", kill_on_drop: false }`
[INFO] [stdout] ef9f90ae7502ba747e37d34df4c90bf18b38911190cc2c54668ac5dfade2df14
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58de8b4f6449beaf9fcdba6e45d4e062f44e9d62c8bbb254cd98a5b016cd151c
[INFO] running `Command { std: "docker" "start" "-a" "58de8b4f6449beaf9fcdba6e45d4e062f44e9d62c8bbb254cd98a5b016cd151c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling opus-cmake-sys v1.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> build.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, BufRead};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cc`
[INFO] [stdout]  --> build.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cc;
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> build.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> build.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut library_name: &str;
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_opus_sources`
[INFO] [stdout]   --> build.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn get_opus_sources(file: &str, key: &str) -> std::io::Result<VecDeque<String>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `Command { std: "docker" "inspect" "58de8b4f6449beaf9fcdba6e45d4e062f44e9d62c8bbb254cd98a5b016cd151c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58de8b4f6449beaf9fcdba6e45d4e062f44e9d62c8bbb254cd98a5b016cd151c", kill_on_drop: false }`
[INFO] [stdout] 58de8b4f6449beaf9fcdba6e45d4e062f44e9d62c8bbb254cd98a5b016cd151c