[INFO] fetching crate kvfmt 0.1.5...
[INFO] testing kvfmt-0.1.5 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate kvfmt 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kvfmt 0.1.5 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 kvfmt 0.1.5
[INFO] finished tweaking crates.io crate kvfmt 0.1.5
[INFO] tweaked toml for crates.io crate kvfmt 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kvfmt 0.1.5 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-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 38fa76bd8e4051b08bfb00672e4ef8861d68fd291c94c5961ea5813f09066fa5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "38fa76bd8e4051b08bfb00672e4ef8861d68fd291c94c5961ea5813f09066fa5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling kvfmt v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `"docker" "inspect" "38fa76bd8e4051b08bfb00672e4ef8861d68fd291c94c5961ea5813f09066fa5"`
[INFO] running `"docker" "rm" "-f" "38fa76bd8e4051b08bfb00672e4ef8861d68fd291c94c5961ea5813f09066fa5"`
[INFO] [stdout] 38fa76bd8e4051b08bfb00672e4ef8861d68fd291c94c5961ea5813f09066fa5
[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" "+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] 5f2e462847c42d13db6ca6848840fea6967988106479b7dc42066a0e38a585df
[INFO] running `"docker" "start" "-a" "5f2e462847c42d13db6ca6848840fea6967988106479b7dc42066a0e38a585df"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling kvfmt v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "5f2e462847c42d13db6ca6848840fea6967988106479b7dc42066a0e38a585df"`
[INFO] running `"docker" "rm" "-f" "5f2e462847c42d13db6ca6848840fea6967988106479b7dc42066a0e38a585df"`
[INFO] [stdout] 5f2e462847c42d13db6ca6848840fea6967988106479b7dc42066a0e38a585df
[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" "+beta-2020-06-03" "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] ff61bdba96c36402d743b00a3f721c9b22ffaff8e3e274be8e5b49c7a5ed1ae6
[INFO] running `"docker" "start" "-a" "ff61bdba96c36402d743b00a3f721c9b22ffaff8e3e274be8e5b49c7a5ed1ae6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kvfmt-d5c7fbbf6fc04f7e
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::kv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kvfmt
[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" "ff61bdba96c36402d743b00a3f721c9b22ffaff8e3e274be8e5b49c7a5ed1ae6"`
[INFO] running `"docker" "rm" "-f" "ff61bdba96c36402d743b00a3f721c9b22ffaff8e3e274be8e5b49c7a5ed1ae6"`
[INFO] [stdout] ff61bdba96c36402d743b00a3f721c9b22ffaff8e3e274be8e5b49c7a5ed1ae6