[INFO] crate json_value_description 0.2.0 is already in cache
[INFO] testing json_value_description-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate json_value_description 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate json_value_description 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate json_value_description 0.2.0
[INFO] finished tweaking crates.io crate json_value_description 0.2.0
[INFO] tweaked toml for crates.io crate json_value_description 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.44.0" "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] dca51747e3537aec50f9cc452740a32e6ae2fee2ee061c9dead0a51c2d70758a
[INFO] running `"docker" "start" "-a" "dca51747e3537aec50f9cc452740a32e6ae2fee2ee061c9dead0a51c2d70758a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling json_value_description v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "dca51747e3537aec50f9cc452740a32e6ae2fee2ee061c9dead0a51c2d70758a"`
[INFO] running `"docker" "rm" "-f" "dca51747e3537aec50f9cc452740a32e6ae2fee2ee061c9dead0a51c2d70758a"`
[INFO] [stdout] dca51747e3537aec50f9cc452740a32e6ae2fee2ee061c9dead0a51c2d70758a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.44.0" "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] 64d1754f0ad24c16cc2b240ec2eef38326ef682b53b732009097c283688789b1
[INFO] running `"docker" "start" "-a" "64d1754f0ad24c16cc2b240ec2eef38326ef682b53b732009097c283688789b1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling json_value_description v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "64d1754f0ad24c16cc2b240ec2eef38326ef682b53b732009097c283688789b1"`
[INFO] running `"docker" "rm" "-f" "64d1754f0ad24c16cc2b240ec2eef38326ef682b53b732009097c283688789b1"`
[INFO] [stdout] 64d1754f0ad24c16cc2b240ec2eef38326ef682b53b732009097c283688789b1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce2a8cfeeec5fd943099b455191f165d061c0720cfdbfcc7443f17c14970545e
[INFO] running `"docker" "start" "-a" "ce2a8cfeeec5fd943099b455191f165d061c0720cfdbfcc7443f17c14970545e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_value_description-7b5c857ebf4713f9
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::array ... ok
[INFO] [stderr]    Doc-tests json_value_description
[INFO] [stdout] test tests::complex ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ce2a8cfeeec5fd943099b455191f165d061c0720cfdbfcc7443f17c14970545e"`
[INFO] running `"docker" "rm" "-f" "ce2a8cfeeec5fd943099b455191f165d061c0720cfdbfcc7443f17c14970545e"`
[INFO] [stdout] ce2a8cfeeec5fd943099b455191f165d061c0720cfdbfcc7443f17c14970545e