[INFO] fetching crate nvtt_rs 0.9.0...
[INFO] checking nvtt_rs-0.9.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate nvtt_rs 0.9.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nvtt_rs 0.9.0 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 nvtt_rs 0.9.0
[INFO] finished tweaking crates.io crate nvtt_rs 0.9.0
[INFO] tweaked toml for crates.io crate nvtt_rs 0.9.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate nvtt_rs 0.9.0 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dd06a0e517539e69bd5ca4e5c324810bd690b037ec24a0321c625fc1199767ca
[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" "dd06a0e517539e69bd5ca4e5c324810bd690b037ec24a0321c625fc1199767ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd06a0e517539e69bd5ca4e5c324810bd690b037ec24a0321c625fc1199767ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd06a0e517539e69bd5ca4e5c324810bd690b037ec24a0321c625fc1199767ca", kill_on_drop: false }`
[INFO] [stdout] dd06a0e517539e69bd5ca4e5c324810bd690b037ec24a0321c625fc1199767ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a00336d84e9dc39cc7b5c7463b41ec6979cd467047874594e26d4c1ed3cb850
[INFO] running `Command { std: "docker" "start" "-a" "3a00336d84e9dc39cc7b5c7463b41ec6979cd467047874594e26d4c1ed3cb850", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling clang-sys v1.0.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling nvtt_sys v0.4.0
[INFO] [stderr]     Checking nvtt_rs v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `CompressionOptions`, `CompressionOutput`, `Compressor`, `InputOptions`, `OutputLocation`, `OutputOptions`
[INFO] [stdout]  --> examples/compress_dds.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     CompressionOptions, CompressionOutput, Compressor, InputOptions, OutputLocation, OutputOptions,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example_data_path`
[INFO] [stdout]  --> examples/compress_dds.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn example_data_path() -> Option<PathBuf> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.63s
[INFO] running `Command { std: "docker" "inspect" "3a00336d84e9dc39cc7b5c7463b41ec6979cd467047874594e26d4c1ed3cb850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a00336d84e9dc39cc7b5c7463b41ec6979cd467047874594e26d4c1ed3cb850", kill_on_drop: false }`
[INFO] [stdout] 3a00336d84e9dc39cc7b5c7463b41ec6979cd467047874594e26d4c1ed3cb850