[INFO] fetching crate lfs-core 0.4.2...
[INFO] testing lfs-core-0.4.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lfs-core 0.4.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lfs-core 0.4.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lfs-core 0.4.2
[INFO] finished tweaking crates.io crate lfs-core 0.4.2
[INFO] tweaked toml for crates.io crate lfs-core 0.4.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5a3cf685104c237a4357cae07866331bcfb7aa14b790468eb9309276cba8030
[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" "f5a3cf685104c237a4357cae07866331bcfb7aa14b790468eb9309276cba8030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5a3cf685104c237a4357cae07866331bcfb7aa14b790468eb9309276cba8030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a3cf685104c237a4357cae07866331bcfb7aa14b790468eb9309276cba8030", kill_on_drop: false }`
[INFO] [stdout] f5a3cf685104c237a4357cae07866331bcfb7aa14b790468eb9309276cba8030
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd76465f9e24c5f6dac7fdb6d6bef4f583a6ef347878113fe8ed283ef44a9cb4
[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" "fd76465f9e24c5f6dac7fdb6d6bef4f583a6ef347878113fe8ed283ef44a9cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.2.1
[INFO] [stderr]    Compiling lazy-regex v2.2.1
[INFO] [stderr]    Compiling lfs-core v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "fd76465f9e24c5f6dac7fdb6d6bef4f583a6ef347878113fe8ed283ef44a9cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd76465f9e24c5f6dac7fdb6d6bef4f583a6ef347878113fe8ed283ef44a9cb4", kill_on_drop: false }`
[INFO] [stdout] fd76465f9e24c5f6dac7fdb6d6bef4f583a6ef347878113fe8ed283ef44a9cb4
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 89337009be757460cd4f8b70a694b958c3803c3111a7c6c588906bcfd33998b8
[INFO] running `Command { std: "docker" "start" "-a" "89337009be757460cd4f8b70a694b958c3803c3111a7c6c588906bcfd33998b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfs-core v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "89337009be757460cd4f8b70a694b958c3803c3111a7c6c588906bcfd33998b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89337009be757460cd4f8b70a694b958c3803c3111a7c6c588906bcfd33998b8", kill_on_drop: false }`
[INFO] [stdout] 89337009be757460cd4f8b70a694b958c3803c3111a7c6c588906bcfd33998b8
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 0cd811978157b484f8cc4d76dd4cbc3ba72e41e77eed58fa1b864bc97f28d6db
[INFO] running `Command { std: "docker" "start" "-a" "0cd811978157b484f8cc4d76dd4cbc3ba72e41e77eed58fa1b864bc97f28d6db", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lfs_core-95bccfbb7ac8c78b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test device_id::test_from_str ... ok
[INFO] [stdout] test device_id::test_from_u64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lfs-core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cd811978157b484f8cc4d76dd4cbc3ba72e41e77eed58fa1b864bc97f28d6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd811978157b484f8cc4d76dd4cbc3ba72e41e77eed58fa1b864bc97f28d6db", kill_on_drop: false }`
[INFO] [stdout] 0cd811978157b484f8cc4d76dd4cbc3ba72e41e77eed58fa1b864bc97f28d6db