[INFO] fetching crate fuzzcheck_serializer 0.4.0...
[INFO] testing fuzzcheck_serializer-0.4.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate fuzzcheck_serializer 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fuzzcheck_serializer 0.4.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuzzcheck_serializer 0.4.0
[INFO] finished tweaking crates.io crate fuzzcheck_serializer 0.4.0
[INFO] tweaked toml for crates.io crate fuzzcheck_serializer 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 275c4dd900ea975005f1e37d8efefaefee380f5dfd3b6ebabdf7a8cbf2f4a0c4
[INFO] running `Command { std: "docker" "start" "-a" "275c4dd900ea975005f1e37d8efefaefee380f5dfd3b6ebabdf7a8cbf2f4a0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "275c4dd900ea975005f1e37d8efefaefee380f5dfd3b6ebabdf7a8cbf2f4a0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275c4dd900ea975005f1e37d8efefaefee380f5dfd3b6ebabdf7a8cbf2f4a0c4", kill_on_drop: false }`
[INFO] [stdout] 275c4dd900ea975005f1e37d8efefaefee380f5dfd3b6ebabdf7a8cbf2f4a0c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41b6958dfe7aa40d07696fbac75fc1a960651aaf9cb73b1785c5f9f0d709bd05
[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" "41b6958dfe7aa40d07696fbac75fc1a960651aaf9cb73b1785c5f9f0d709bd05", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzzcheck_traits v0.4.0
[INFO] [stderr]    Compiling fuzzcheck_serializer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "41b6958dfe7aa40d07696fbac75fc1a960651aaf9cb73b1785c5f9f0d709bd05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b6958dfe7aa40d07696fbac75fc1a960651aaf9cb73b1785c5f9f0d709bd05", kill_on_drop: false }`
[INFO] [stdout] 41b6958dfe7aa40d07696fbac75fc1a960651aaf9cb73b1785c5f9f0d709bd05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--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] 824eb4b240bd13a0af70ef11d39f4e2563207c2f1769e93f5ea801c02bfcddbf
[INFO] running `Command { std: "docker" "start" "-a" "824eb4b240bd13a0af70ef11d39f4e2563207c2f1769e93f5ea801c02bfcddbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzzcheck_serializer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "824eb4b240bd13a0af70ef11d39f4e2563207c2f1769e93f5ea801c02bfcddbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824eb4b240bd13a0af70ef11d39f4e2563207c2f1769e93f5ea801c02bfcddbf", kill_on_drop: false }`
[INFO] [stdout] 824eb4b240bd13a0af70ef11d39f4e2563207c2f1769e93f5ea801c02bfcddbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 598e0131c45ca9f693ebf2b1d9478bb3f00a7f8fcf4bb5dd61c5a7dcf1dbe208
[INFO] running `Command { std: "docker" "start" "-a" "598e0131c45ca9f693ebf2b1d9478bb3f00a7f8fcf4bb5dd61c5a7dcf1dbe208", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuzzcheck_serializer-a0edb3d0bbc1e1d1
[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] [stderr]    Doc-tests fuzzcheck_serializer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ByteSerializer (line 56) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "598e0131c45ca9f693ebf2b1d9478bb3f00a7f8fcf4bb5dd61c5a7dcf1dbe208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598e0131c45ca9f693ebf2b1d9478bb3f00a7f8fcf4bb5dd61c5a7dcf1dbe208", kill_on_drop: false }`
[INFO] [stdout] 598e0131c45ca9f693ebf2b1d9478bb3f00a7f8fcf4bb5dd61c5a7dcf1dbe208