[INFO] cloning repository https://github.com/johannesvollmer/rs-exr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johannesvollmer/rs-exr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannesvollmer%2Frs-exr"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannesvollmer%2Frs-exr'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14ba66be7719f989b1463abcb4ccda20ebafc506
[INFO] checking johannesvollmer/rs-exr against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannesvollmer%2Frs-exr" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/johannesvollmer/rs-exr on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johannesvollmer/rs-exr
[INFO] finished tweaking git repo https://github.com/johannesvollmer/rs-exr
[INFO] tweaked toml for git repo https://github.com/johannesvollmer/rs-exr written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/johannesvollmer/rs-exr already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 509b90f26a2b252849c9eaebb8df8e26e4ea7a86644ff9117f9f601cf186bac8
[INFO] running `"docker" "start" "-a" "509b90f26a2b252849c9eaebb8df8e26e4ea7a86644ff9117f9f601cf186bac8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking bit_field v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking png v0.16.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking exr v0.7.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr] warning: function is never used: `write_single_image_parallel`
[INFO] [stderr]   --> benches/write.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn write_single_image_parallel(bench: &mut Bencher) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_single_image`
[INFO] [stderr]   --> benches/write.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn write_single_image(bench: &mut Bencher) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_single_image_uncompressed`
[INFO] [stderr]   --> benches/write.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn write_single_image_uncompressed(bench: &mut Bencher) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `bencher` unused in `exr`: remove the dependency or add `use bencher as _;`
[INFO] [stderr]   --> src/lib.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | //! Read and write OpenEXR images.
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     unused,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `image` unused in `exr`: remove the dependency or add `use image as _;`
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | //! Read and write OpenEXR images.
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `walkdir` unused in `exr`: remove the dependency or add `use walkdir as _;`
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | //! Read and write OpenEXR images.
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 47.63s
[INFO] running `"docker" "inspect" "509b90f26a2b252849c9eaebb8df8e26e4ea7a86644ff9117f9f601cf186bac8"`
[INFO] running `"docker" "rm" "-f" "509b90f26a2b252849c9eaebb8df8e26e4ea7a86644ff9117f9f601cf186bac8"`
[INFO] [stdout] 509b90f26a2b252849c9eaebb8df8e26e4ea7a86644ff9117f9f601cf186bac8