[INFO] fetching crate cereal_lib 2.1.1...
[INFO] testing cereal_lib-2.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate cereal_lib 2.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cereal_lib 2.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cereal_lib 2.1.1
[INFO] finished tweaking crates.io crate cereal_lib 2.1.1
[INFO] tweaked toml for crates.io crate cereal_lib 2.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 567999bd88abc8553fe7c4d7c1bd0f6c2d3585e77494b001a4f2f6d53e22e0b6
[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" "567999bd88abc8553fe7c4d7c1bd0f6c2d3585e77494b001a4f2f6d53e22e0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "567999bd88abc8553fe7c4d7c1bd0f6c2d3585e77494b001a4f2f6d53e22e0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567999bd88abc8553fe7c4d7c1bd0f6c2d3585e77494b001a4f2f6d53e22e0b6", kill_on_drop: false }`
[INFO] [stdout] 567999bd88abc8553fe7c4d7c1bd0f6c2d3585e77494b001a4f2f6d53e22e0b6
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14b4426fabff33a5d05db77071f8aa6c55bfd507e048588b408ae6a6023b41de
[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" "14b4426fabff33a5d05db77071f8aa6c55bfd507e048588b408ae6a6023b41de", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling statistical v1.0.0
[INFO] [stderr]    Compiling cereal_lib v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.49s
[INFO] running `Command { std: "docker" "inspect" "14b4426fabff33a5d05db77071f8aa6c55bfd507e048588b408ae6a6023b41de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b4426fabff33a5d05db77071f8aa6c55bfd507e048588b408ae6a6023b41de", kill_on_drop: false }`
[INFO] [stdout] 14b4426fabff33a5d05db77071f8aa6c55bfd507e048588b408ae6a6023b41de
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bf42e7c8045af0b5f3cf211bdcf9c61bb58078e02ac053851e515e12dae851e
[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" "2bf42e7c8045af0b5f3cf211bdcf9c61bb58078e02ac053851e515e12dae851e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cereal_lib v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "2bf42e7c8045af0b5f3cf211bdcf9c61bb58078e02ac053851e515e12dae851e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf42e7c8045af0b5f3cf211bdcf9c61bb58078e02ac053851e515e12dae851e", kill_on_drop: false }`
[INFO] [stdout] 2bf42e7c8045af0b5f3cf211bdcf9c61bb58078e02ac053851e515e12dae851e
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 07a2e3d22a0e3216560d7d0bbcfca7183b1869c61671cf841d5a36a6e1dc4c57
[INFO] running `Command { std: "docker" "start" "-a" "07a2e3d22a0e3216560d7d0bbcfca7183b1869c61671cf841d5a36a6e1dc4c57", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cereal_lib-1bdbe772d2d262df
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-46c0727e4e7cf419
[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 2 tests
[INFO] [stdout] test run_multi ... ok
[INFO] [stderr]    Doc-tests cereal_lib
[INFO] [stdout] test run_single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "07a2e3d22a0e3216560d7d0bbcfca7183b1869c61671cf841d5a36a6e1dc4c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a2e3d22a0e3216560d7d0bbcfca7183b1869c61671cf841d5a36a6e1dc4c57", kill_on_drop: false }`
[INFO] [stdout] 07a2e3d22a0e3216560d7d0bbcfca7183b1869c61671cf841d5a36a6e1dc4c57
