[INFO] fetching crate sp-serializer 2.0.0-rc5...
[INFO] testing sp-serializer-2.0.0-rc5 against 1.45.2 for beta-1.46-1
[INFO] extracting crate sp-serializer 2.0.0-rc5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sp-serializer 2.0.0-rc5 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-serializer 2.0.0-rc5
[INFO] finished tweaking crates.io crate sp-serializer 2.0.0-rc5
[INFO] tweaked toml for crates.io crate sp-serializer 2.0.0-rc5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7fa2ab31e4fb528fe8a8aec4ec602005fd521d3ef5511c729fe54ecc63bc86b
[INFO] running `Command { std: "docker" "start" "-a" "e7fa2ab31e4fb528fe8a8aec4ec602005fd521d3ef5511c729fe54ecc63bc86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7fa2ab31e4fb528fe8a8aec4ec602005fd521d3ef5511c729fe54ecc63bc86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7fa2ab31e4fb528fe8a8aec4ec602005fd521d3ef5511c729fe54ecc63bc86b", kill_on_drop: false }`
[INFO] [stdout] e7fa2ab31e4fb528fe8a8aec4ec602005fd521d3ef5511c729fe54ecc63bc86b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57eb01544afdf05f983361afb6f6c6f6d16915a68f28a86b86bd00c630ab340b
[INFO] running `Command { std: "docker" "start" "-a" "57eb01544afdf05f983361afb6f6c6f6d16915a68f28a86b86bd00c630ab340b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-serializer v2.0.0-rc5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "57eb01544afdf05f983361afb6f6c6f6d16915a68f28a86b86bd00c630ab340b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57eb01544afdf05f983361afb6f6c6f6d16915a68f28a86b86bd00c630ab340b", kill_on_drop: false }`
[INFO] [stdout] 57eb01544afdf05f983361afb6f6c6f6d16915a68f28a86b86bd00c630ab340b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc7ac07fe99aa66a1e1249b0d1f5ea2928a0bdc3ec73aaa0ee608adfffdb982b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc7ac07fe99aa66a1e1249b0d1f5ea2928a0bdc3ec73aaa0ee608adfffdb982b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-serializer v2.0.0-rc5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "cc7ac07fe99aa66a1e1249b0d1f5ea2928a0bdc3ec73aaa0ee608adfffdb982b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7ac07fe99aa66a1e1249b0d1f5ea2928a0bdc3ec73aaa0ee608adfffdb982b", kill_on_drop: false }`
[INFO] [stdout] cc7ac07fe99aa66a1e1249b0d1f5ea2928a0bdc3ec73aaa0ee608adfffdb982b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0502167e2f327ce31535e8769d0b088fee06976b4d6473001f69d36e550bbc0
[INFO] running `Command { std: "docker" "start" "-a" "e0502167e2f327ce31535e8769d0b088fee06976b4d6473001f69d36e550bbc0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sp_serializer-2de73a90efb4c792
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sp-serializer
[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] [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 `Command { std: "docker" "inspect" "e0502167e2f327ce31535e8769d0b088fee06976b4d6473001f69d36e550bbc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0502167e2f327ce31535e8769d0b088fee06976b4d6473001f69d36e550bbc0", kill_on_drop: false }`
[INFO] [stdout] e0502167e2f327ce31535e8769d0b088fee06976b4d6473001f69d36e550bbc0