[INFO] fetching crate exr 0.8.0...
[INFO] testing exr-0.8.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate exr 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate exr 0.8.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate exr 0.8.0
[INFO] finished tweaking crates.io crate exr 0.8.0
[INFO] tweaked toml for crates.io crate exr 0.8.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate exr 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50faa4db504432a5a3092de3a8396b35c8b5b71c19ae58d6b5505f368ccf0abd
[INFO] running `"docker" "start" "-a" "50faa4db504432a5a3092de3a8396b35c8b5b71c19ae58d6b5505f368ccf0abd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling bit_field v0.10.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version 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 deflate v0.8.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling exr v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 46.05s
[INFO] running `"docker" "inspect" "50faa4db504432a5a3092de3a8396b35c8b5b71c19ae58d6b5505f368ccf0abd"`
[INFO] running `"docker" "rm" "-f" "50faa4db504432a5a3092de3a8396b35c8b5b71c19ae58d6b5505f368ccf0abd"`
[INFO] [stdout] 50faa4db504432a5a3092de3a8396b35c8b5b71c19ae58d6b5505f368ccf0abd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0576172a034020237153cfa42e8ad63798357e6403627016330e15f3d71bc6fc
[INFO] running `"docker" "start" "-a" "0576172a034020237153cfa42e8ad63798357e6403627016330e15f3d71bc6fc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling png v0.16.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling exr v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `exr`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name roundtrip --edition=2018 tests/roundtrip.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C opt-level=3 -Cembed-bitcode=no -C debuginfo=2 -C debug-assertions=on --test -C metadata=309d55658b6a55b6 -C extra-filename=-309d55658b6a55b6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bencher=/opt/rustwide/target/debug/deps/libbencher-47c2a628a06cbf64.rlib --extern bit_field=/opt/rustwide/target/debug/deps/libbit_field-25a3f0c515d30c69.rlib --extern deflate=/opt/rustwide/target/debug/deps/libdeflate-8fa555f1e7962765.rlib --extern exr=/opt/rustwide/target/debug/deps/libexr-fd8ca19367a5d295.rlib --extern half=/opt/rustwide/target/debug/deps/libhalf-39f9fdb9c8bd8844.rlib --extern image=/opt/rustwide/target/debug/deps/libimage-12ee04821a956f9e.rlib --extern inflate=/opt/rustwide/target/debug/deps/libinflate-e6269b54a31a2645.rlib --extern lebe=/opt/rustwide/target/debug/deps/liblebe-66894753c7c99c24.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-e62d9a16ec5764a7.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-54d7b72e413c3271.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-43a9623ba39e9dbe.rlib --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-0264d063661eb1ea.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0576172a034020237153cfa42e8ad63798357e6403627016330e15f3d71bc6fc"`
[INFO] running `"docker" "rm" "-f" "0576172a034020237153cfa42e8ad63798357e6403627016330e15f3d71bc6fc"`
[INFO] [stdout] 0576172a034020237153cfa42e8ad63798357e6403627016330e15f3d71bc6fc