[INFO] fetching crate sputnikvm-network-foundation 0.11.0-beta.0...
[INFO] testing sputnikvm-network-foundation-0.11.0-beta.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sputnikvm-network-foundation 0.11.0-beta.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sputnikvm-network-foundation 0.11.0-beta.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sputnikvm-network-foundation 0.11.0-beta.0
[INFO] finished tweaking crates.io crate sputnikvm-network-foundation 0.11.0-beta.0
[INFO] tweaked toml for crates.io crate sputnikvm-network-foundation 0.11.0-beta.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da1121aa4584f0e78a79d6244fea7ab602411ab43c17014422c3e93d7519b170
[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" "da1121aa4584f0e78a79d6244fea7ab602411ab43c17014422c3e93d7519b170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da1121aa4584f0e78a79d6244fea7ab602411ab43c17014422c3e93d7519b170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1121aa4584f0e78a79d6244fea7ab602411ab43c17014422c3e93d7519b170", kill_on_drop: false }`
[INFO] [stdout] da1121aa4584f0e78a79d6244fea7ab602411ab43c17014422c3e93d7519b170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c06e8e74826313bc74c9fafbe5521a017ac587e9f123c847cd71b9cb08026c7
[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" "8c06e8e74826313bc74c9fafbe5521a017ac587e9f123c847cd71b9cb08026c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling sputnikvm-precompiled-bn128 v0.11.0-beta.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling sputnikvm-precompiled-modexp v0.11.0-beta.0
[INFO] [stderr]    Compiling sputnikvm-network-foundation v0.11.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:78
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub static FRONTIER_PRECOMPILEDS: [(Address, Option<&'static [u8]>, &'static Precompiled); 4] = [
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:79
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static BYZANTIUM_PRECOMPILEDS: [(Address, Option<&'static [u8]>, &'static Precompiled); 8] = [
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:94:78
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:78
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:78
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:184:78
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:214:78
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "8c06e8e74826313bc74c9fafbe5521a017ac587e9f123c847cd71b9cb08026c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c06e8e74826313bc74c9fafbe5521a017ac587e9f123c847cd71b9cb08026c7", kill_on_drop: false }`
[INFO] [stdout] 8c06e8e74826313bc74c9fafbe5521a017ac587e9f123c847cd71b9cb08026c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6496c998b098fd60b3118d988b1a69b8168a9d16b810b86a88f5124ccbb3e6cf
[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" "6496c998b098fd60b3118d988b1a69b8168a9d16b810b86a88f5124ccbb3e6cf", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:78
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub static FRONTIER_PRECOMPILEDS: [(Address, Option<&'static [u8]>, &'static Precompiled); 4] = [
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:79
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static BYZANTIUM_PRECOMPILEDS: [(Address, Option<&'static [u8]>, &'static Precompiled); 8] = [
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:94:78
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:78
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:78
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:184:78
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:214:78
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sputnikvm-network-foundation v0.11.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:78
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub static FRONTIER_PRECOMPILEDS: [(Address, Option<&'static [u8]>, &'static Precompiled); 4] = [
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:79
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub static BYZANTIUM_PRECOMPILEDS: [(Address, Option<&'static [u8]>, &'static Precompiled); 8] = [
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:94:78
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:78
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:78
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:184:78
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:214:78
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "6496c998b098fd60b3118d988b1a69b8168a9d16b810b86a88f5124ccbb3e6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6496c998b098fd60b3118d988b1a69b8168a9d16b810b86a88f5124ccbb3e6cf", kill_on_drop: false }`
[INFO] [stdout] 6496c998b098fd60b3118d988b1a69b8168a9d16b810b86a88f5124ccbb3e6cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f42aaeb5cffd76b7aa48095bca57292fa18453cafd6d145742e8d5c8266d4767
[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" "f42aaeb5cffd76b7aa48095bca57292fa18453cafd6d145742e8d5c8266d4767", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:12:78
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 12 | pub static FRONTIER_PRECOMPILEDS: [(Address, Option<&'static [u8]>, &'static Precompiled); 4] = [
[INFO] [stdout] 
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:79
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub static BYZANTIUM_PRECOMPILEDS: [(Address, Option<&'static [u8]>, &'static Precompiled); 8] = [
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:78
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:124:78
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:154:78
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:184:78
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:78
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn precompileds() -> &'static [(Address, Option<&'static [u8]>, &'static Precompiled)] {
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn Precompiled`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `sputnikvm-network-foundation` (lib) generated 7 warnings
[INFO] [stderr] warning: `sputnikvm-network-foundation` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sputnikvm_network_foundation-bca4bbfee72223ba)
[INFO] [stderr]    Doc-tests sputnikvm-network-foundation
[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" "f42aaeb5cffd76b7aa48095bca57292fa18453cafd6d145742e8d5c8266d4767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42aaeb5cffd76b7aa48095bca57292fa18453cafd6d145742e8d5c8266d4767", kill_on_drop: false }`
[INFO] [stdout] f42aaeb5cffd76b7aa48095bca57292fa18453cafd6d145742e8d5c8266d4767