[INFO] crate image-stream 0.1.0 is already in cache
[INFO] building image-stream-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate image-stream 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate image-stream 0.1.0 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 image-stream 0.1.0
[INFO] finished tweaking crates.io crate image-stream 0.1.0
[INFO] tweaked toml for crates.io crate image-stream 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] dd35d933822fd52acf7b910c43209ba9d6c1824b790029eb37cd6b5a0b419441
[INFO] running `"docker" "start" "-a" "dd35d933822fd52acf7b910c43209ba9d6c1824b790029eb37cd6b5a0b419441"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling image-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.70s
[INFO] running `"docker" "inspect" "dd35d933822fd52acf7b910c43209ba9d6c1824b790029eb37cd6b5a0b419441"`
[INFO] running `"docker" "rm" "-f" "dd35d933822fd52acf7b910c43209ba9d6c1824b790029eb37cd6b5a0b419441"`
[INFO] [stdout] dd35d933822fd52acf7b910c43209ba9d6c1824b790029eb37cd6b5a0b419441
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 97877cda42165f93f2b6da64881463d856e275a871e6980b19a3f4096b281ebb
[INFO] running `"docker" "start" "-a" "97877cda42165f93f2b6da64881463d856e275a871e6980b19a3f4096b281ebb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling image-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `"docker" "inspect" "97877cda42165f93f2b6da64881463d856e275a871e6980b19a3f4096b281ebb"`
[INFO] running `"docker" "rm" "-f" "97877cda42165f93f2b6da64881463d856e275a871e6980b19a3f4096b281ebb"`
[INFO] [stdout] 97877cda42165f93f2b6da64881463d856e275a871e6980b19a3f4096b281ebb