[INFO] fetching crate opus-cmake-sys 1.0.6...
[INFO] checking opus-cmake-sys-1.0.6 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate opus-cmake-sys 1.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate opus-cmake-sys 1.0.6 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6781b15de1d6c3ec86fbf2c84ebb1d585f81305a38cef1062fc483124bd51137
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6781b15de1d6c3ec86fbf2c84ebb1d585f81305a38cef1062fc483124bd51137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6781b15de1d6c3ec86fbf2c84ebb1d585f81305a38cef1062fc483124bd51137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6781b15de1d6c3ec86fbf2c84ebb1d585f81305a38cef1062fc483124bd51137", kill_on_drop: false }`
[INFO] [stdout] 6781b15de1d6c3ec86fbf2c84ebb1d585f81305a38cef1062fc483124bd51137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87a7efb6335c9280683051553c73044dcea4640945ae758c9c53802f3ccbbd86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87a7efb6335c9280683051553c73044dcea4640945ae758c9c53802f3ccbbd86", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[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 18.32s
[INFO] running `Command { std: "docker" "inspect" "87a7efb6335c9280683051553c73044dcea4640945ae758c9c53802f3ccbbd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a7efb6335c9280683051553c73044dcea4640945ae758c9c53802f3ccbbd86", kill_on_drop: false }`
[INFO] [stdout] 87a7efb6335c9280683051553c73044dcea4640945ae758c9c53802f3ccbbd86