[INFO] fetching crate nispor 1.0.1...
[INFO] testing nispor-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nispor 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nispor 1.0.1 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 nispor 1.0.1
[INFO] finished tweaking crates.io crate nispor 1.0.1
[INFO] tweaked toml for crates.io crate nispor 1.0.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded netlink-packet-utils v0.4.1
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded serde_yaml v0.8.20
[INFO] [stderr]   Downloaded netlink-packet-utils v0.3.0
[INFO] [stderr]   Downloaded netlink-packet-core v0.2.4
[INFO] [stderr]   Downloaded netlink-sys v0.4.0
[INFO] [stderr]   Downloaded netlink-proto v0.4.1
[INFO] [stderr]   Downloaded rtnetlink v0.5.0
[INFO] [stderr]   Downloaded netlink-packet-route v0.5.0
[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] f7cf25ba2622abf46f12cf11432614782b0874c8343eb00882376337362a6f33
[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" "f7cf25ba2622abf46f12cf11432614782b0874c8343eb00882376337362a6f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7cf25ba2622abf46f12cf11432614782b0874c8343eb00882376337362a6f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cf25ba2622abf46f12cf11432614782b0874c8343eb00882376337362a6f33", kill_on_drop: false }`
[INFO] [stdout] f7cf25ba2622abf46f12cf11432614782b0874c8343eb00882376337362a6f33
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 766d9327f29f06cb85c5d2606097693c6659d8a124a75b24a53ee93f50a6b85f
[INFO] running `Command { std: "docker" "start" "-a" "766d9327f29f06cb85c5d2606097693c6659d8a124a75b24a53ee93f50a6b85f", kill_on_drop: false }`
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling netlink-packet-utils v0.4.1
[INFO] [stderr]    Compiling netlink-packet-utils v0.3.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling netlink-packet-core v0.2.4
[INFO] [stderr]    Compiling netlink-packet-route v0.5.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling netlink-sys v0.4.0
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling netlink-proto v0.4.1
[INFO] [stderr]    Compiling rtnetlink v0.5.0
[INFO] [stderr]    Compiling nispor v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> ifaces/mac_vlan.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 27 | #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
[INFO] [stdout]    |          --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> ifaces/mac_vtap.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
[INFO] [stdout]   |          --------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `Command { std: "docker" "inspect" "766d9327f29f06cb85c5d2606097693c6659d8a124a75b24a53ee93f50a6b85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766d9327f29f06cb85c5d2606097693c6659d8a124a75b24a53ee93f50a6b85f", kill_on_drop: false }`
[INFO] [stdout] 766d9327f29f06cb85c5d2606097693c6659d8a124a75b24a53ee93f50a6b85f
[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] [stdout] 74a8d8ee196dd9d5244ea60de55d56a4bc89b40d5e084abfe942d94354523e4e
[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" "74a8d8ee196dd9d5244ea60de55d56a4bc89b40d5e084abfe942d94354523e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> ifaces/mac_vlan.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 27 | #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
[INFO] [stdout]    |          --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> ifaces/mac_vtap.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
[INFO] [stdout]   |          --------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nispor v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> ifaces/mac_vlan.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 27 | #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
[INFO] [stdout]    |          --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> ifaces/mac_vtap.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[serde(rename_all = "lowercase")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
[INFO] [stdout]   |          --------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nispor`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bridge_vlan_filter --edition=2018 tests/bridge_vlan_filter.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=09f42afbb7fd48d5 -C extra-filename=-09f42afbb7fd48d5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-d90e6f6076d56a89.rlib --extern netlink_packet_route=/opt/rustwide/target/debug/deps/libnetlink_packet_route-1a880bd27c4a7dea.rlib --extern netlink_packet_utils=/opt/rustwide/target/debug/deps/libnetlink_packet_utils-5286b34b429c9f17.rlib --extern netlink_sys=/opt/rustwide/target/debug/deps/libnetlink_sys-eaaaf0940168fa36.rlib --extern nispor=/opt/rustwide/target/debug/deps/libnispor-a8787346fb30aae0.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-691bb3a4abc612b7.rlib --extern rtnetlink=/opt/rustwide/target/debug/deps/librtnetlink-260fda7497d2810e.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e1e7584dcba0a5cc.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a286fb53bc3dfc7d.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3de8b5c3752d5467.rlib --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-044a37d419bf86df.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1a0c0f9fb453b65f.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "74a8d8ee196dd9d5244ea60de55d56a4bc89b40d5e084abfe942d94354523e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a8d8ee196dd9d5244ea60de55d56a4bc89b40d5e084abfe942d94354523e4e", kill_on_drop: false }`
[INFO] [stdout] 74a8d8ee196dd9d5244ea60de55d56a4bc89b40d5e084abfe942d94354523e4e