[INFO] fetching crate fieldmask 0.0.2...
[INFO] testing fieldmask-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fieldmask 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fieldmask 0.0.2 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 fieldmask 0.0.2
[INFO] finished tweaking crates.io crate fieldmask 0.0.2
[INFO] tweaked toml for crates.io crate fieldmask 0.0.2 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 21de5bb4824965d1cc688702a3c90174f3b83692193f3fc218ed71035799afac
[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" "21de5bb4824965d1cc688702a3c90174f3b83692193f3fc218ed71035799afac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21de5bb4824965d1cc688702a3c90174f3b83692193f3fc218ed71035799afac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21de5bb4824965d1cc688702a3c90174f3b83692193f3fc218ed71035799afac", kill_on_drop: false }`
[INFO] [stdout] 21de5bb4824965d1cc688702a3c90174f3b83692193f3fc218ed71035799afac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a1b165a6b67999c8dcbb6ddcd296462fc5169fccb98a77a78b6c700249198df2
[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" "a1b165a6b67999c8dcbb6ddcd296462fc5169fccb98a77a78b6c700249198df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling fieldmask_derive v0.0.2
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling fieldmask v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.46s
[INFO] running `Command { std: "docker" "inspect" "a1b165a6b67999c8dcbb6ddcd296462fc5169fccb98a77a78b6c700249198df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b165a6b67999c8dcbb6ddcd296462fc5169fccb98a77a78b6c700249198df2", kill_on_drop: false }`
[INFO] [stdout] a1b165a6b67999c8dcbb6ddcd296462fc5169fccb98a77a78b6c700249198df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9a8097f7eee55c5ea8669fbed94968d951ba0311630529939c41eb7d22f187e9
[INFO] running `Command { std: "docker" "start" "-a" "9a8097f7eee55c5ea8669fbed94968d951ba0311630529939c41eb7d22f187e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling fieldmask v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "9a8097f7eee55c5ea8669fbed94968d951ba0311630529939c41eb7d22f187e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8097f7eee55c5ea8669fbed94968d951ba0311630529939c41eb7d22f187e9", kill_on_drop: false }`
[INFO] [stdout] 9a8097f7eee55c5ea8669fbed94968d951ba0311630529939c41eb7d22f187e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 490764eb08fa9e3560ede293cb327552cf4da70efa5d53326e95f4002b59d3d8
[INFO] running `Command { std: "docker" "start" "-a" "490764eb08fa9e3560ede293cb327552cf4da70efa5d53326e95f4002b59d3d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fieldmask-f2ac415de1eea5ce)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/flat.rs (/opt/rustwide/target/debug/deps/flat-768dc6a16b5886f2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/full_example.rs (/opt/rustwide/target/debug/deps/full_example-24d1520ae43d7929)
[INFO] [stdout] test empty_mask ... ok
[INFO] [stdout] test flat ... ok
[INFO] [stdout] test nested_mask ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/nested.rs (/opt/rustwide/target/debug/deps/nested-b8ca1f0809a8489c)
[INFO] [stdout] test case_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/one_of.rs (/opt/rustwide/target/debug/deps/one_of-6e1ac0f0ec60bd67)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test full_child_mask ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test no_field ... ok
[INFO] [stdout] test one_of ... ok
[INFO] [stdout] test matched_field ... ok
[INFO] [stderr]      Running tests/optional_child.rs (/opt/rustwide/target/debug/deps/optional_child-18585007dbc1ac5f)
[INFO] [stdout] test snake_case ... ok
[INFO] [stdout] test different_variant ... ok
[INFO] [stdout] test self_none ... ok
[INFO] [stdout] test different_variant_both_in_mask ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test both_children_are_none ... ok
[INFO] [stdout] test no_mask_applied_to_child ... ok
[INFO] [stdout] test full_child_mask ... ok
[INFO] [stderr]      Running tests/prost.rs (/opt/rustwide/target/debug/deps/prost-dfc1b62bac409ab9)
[INFO] [stdout] test self_child_is_none ... ok
[INFO] [stdout] test optional_child ... ok
[INFO] [stdout] test other_child_is_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fieldmask
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "490764eb08fa9e3560ede293cb327552cf4da70efa5d53326e95f4002b59d3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490764eb08fa9e3560ede293cb327552cf4da70efa5d53326e95f4002b59d3d8", kill_on_drop: false }`
[INFO] [stdout] 490764eb08fa9e3560ede293cb327552cf4da70efa5d53326e95f4002b59d3d8