[INFO] fetching crate susywasmi 0.4.3...
[INFO] testing susywasmi-0.4.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate susywasmi 0.4.3 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate susywasmi 0.4.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate susywasmi 0.4.3
[INFO] finished tweaking crates.io crate susywasmi 0.4.3
[INFO] tweaked toml for crates.io crate susywasmi 0.4.3 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashmap_core v0.1.11
[INFO] [stderr]   Downloaded susywasm v0.31.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3de83583ee1c53f20760b9d7d7afb4defce3789ebe3b8f7f4642605eaf737549
[INFO] running `Command { std: "docker" "start" "-a" "3de83583ee1c53f20760b9d7d7afb4defce3789ebe3b8f7f4642605eaf737549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3de83583ee1c53f20760b9d7d7afb4defce3789ebe3b8f7f4642605eaf737549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de83583ee1c53f20760b9d7d7afb4defce3789ebe3b8f7f4642605eaf737549", kill_on_drop: false }`
[INFO] [stdout] 3de83583ee1c53f20760b9d7d7afb4defce3789ebe3b8f7f4642605eaf737549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18037e08a6b18cfb348caf2b184ae6acaef84cb11bae74fae0c0c95a44091f6e
[INFO] running `Command { std: "docker" "start" "-a" "18037e08a6b18cfb348caf2b184ae6acaef84cb11bae74fae0c0c95a44091f6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling susywasm v0.31.3
[INFO] [stderr]    Compiling susywasmi v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]    --> src/validation/mod.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 19  |     Module, ResizableLimits, TableType, Type, ValueType,
[INFO] [stdout]     |                                         ---- the item `Type` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 153 |         use susywasm::elements::{Type, ValueType};
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ValueType` is imported redundantly
[INFO] [stdout]    --> src/validation/mod.rs:153:40
[INFO] [stdout]     |
[INFO] [stdout] 19  |     Module, ResizableLimits, TableType, Type, ValueType,
[INFO] [stdout]     |                                               --------- the item `ValueType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 153 |         use susywasm::elements::{Type, ValueType};
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/imports.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 |     modules: HashMap<String, &'a ModuleImportResolver>,
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 -     modules: HashMap<String, &'a ModuleImportResolver>,
[INFO] [stdout] 109 +     modules: HashMap<String, &'a dyn ModuleImportResolver>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:241:14
[INFO] [stdout]     |
[INFO] [stdout] 241 |     Host(Box<host::HostError>),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 -     Host(Box<host::HostError>),
[INFO] [stdout] 241 +     Host(Box<dyn host::HostError>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:275:14
[INFO] [stdout]     |
[INFO] [stdout] 275 |     Host(Box<host::HostError>),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 275 -     Host(Box<host::HostError>),
[INFO] [stdout] 275 +     Host(Box<dyn host::HostError>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:287:44
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn as_host_error(&self) -> Option<&host::HostError> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 287 -     pub fn as_host_error(&self) -> Option<&host::HostError> {
[INFO] [stdout] 287 +     pub fn as_host_error(&self) -> Option<&dyn host::HostError> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/host.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl HostError {
[INFO] [stdout]     |      ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - impl HostError {
[INFO] [stdout] 117 + impl dyn HostError {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/imports.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |         resolver: &'a ModuleImportResolver,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 -         resolver: &'a ModuleImportResolver,
[INFO] [stdout] 130 +         resolver: &'a dyn ModuleImportResolver,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/imports.rs:139:77
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn push_resolver<N: Into<String>>(&mut self, name: N, resolver: &'a ModuleImportResolver) {
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 139 -     pub fn push_resolver<N: Into<String>>(&mut self, name: N, resolver: &'a ModuleImportResolver) {
[INFO] [stdout] 139 +     pub fn push_resolver<N: Into<String>>(&mut self, name: N, resolver: &'a dyn ModuleImportResolver) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/imports.rs:143:47
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn resolver(&self, name: &str) -> Option<&ModuleImportResolver> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 143 -     fn resolver(&self, name: &str) -> Option<&ModuleImportResolver> {
[INFO] [stdout] 143 +     fn resolver(&self, name: &str) -> Option<&dyn ModuleImportResolver> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/host.rs:121:45
[INFO] [stdout]     |
[INFO] [stdout] 121 |             unsafe { Some(&*(self as *const HostError as *const T)) }
[INFO] [stdout]     |                                             ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 121 -             unsafe { Some(&*(self as *const HostError as *const T)) }
[INFO] [stdout] 121 +             unsafe { Some(&*(self as *const dyn HostError as *const T)) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/host.rs:131:47
[INFO] [stdout]     |
[INFO] [stdout] 131 |             unsafe { Some(&mut *(self as *mut HostError as *mut T)) }
[INFO] [stdout]     |                                               ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 131 -             unsafe { Some(&mut *(self as *mut HostError as *mut T)) }
[INFO] [stdout] 131 +             unsafe { Some(&mut *(self as *mut dyn HostError as *mut T)) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `begin_position`
[INFO] [stdout]   --> src/validation/func.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     begin_position: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BlockFrame` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/validation/func.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.70s
[INFO] running `Command { std: "docker" "inspect" "18037e08a6b18cfb348caf2b184ae6acaef84cb11bae74fae0c0c95a44091f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18037e08a6b18cfb348caf2b184ae6acaef84cb11bae74fae0c0c95a44091f6e", kill_on_drop: false }`
[INFO] [stdout] 18037e08a6b18cfb348caf2b184ae6acaef84cb11bae74fae0c0c95a44091f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55aa9b35747bed3e7cd2cf6539a2f3aaabe76cae683b2e14320e707f384cbb73
[INFO] running `Command { std: "docker" "start" "-a" "55aa9b35747bed3e7cd2cf6539a2f3aaabe76cae683b2e14320e707f384cbb73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]    --> src/validation/mod.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 19  |     Module, ResizableLimits, TableType, Type, ValueType,
[INFO] [stdout]     |                                         ---- the item `Type` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 153 |         use susywasm::elements::{Type, ValueType};
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ValueType` is imported redundantly
[INFO] [stdout]    --> src/validation/mod.rs:153:40
[INFO] [stdout]     |
[INFO] [stdout] 19  |     Module, ResizableLimits, TableType, Type, ValueType,
[INFO] [stdout]     |                                               --------- the item `ValueType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 153 |         use susywasm::elements::{Type, ValueType};
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/imports.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 |     modules: HashMap<String, &'a ModuleImportResolver>,
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 -     modules: HashMap<String, &'a ModuleImportResolver>,
[INFO] [stdout] 109 +     modules: HashMap<String, &'a dyn ModuleImportResolver>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:241:14
[INFO] [stdout]     |
[INFO] [stdout] 241 |     Host(Box<host::HostError>),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 -     Host(Box<host::HostError>),
[INFO] [stdout] 241 +     Host(Box<dyn host::HostError>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:275:14
[INFO] [stdout]     |
[INFO] [stdout] 275 |     Host(Box<host::HostError>),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 275 -     Host(Box<host::HostError>),
[INFO] [stdout] 275 +     Host(Box<dyn host::HostError>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:287:44
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn as_host_error(&self) -> Option<&host::HostError> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 287 -     pub fn as_host_error(&self) -> Option<&host::HostError> {
[INFO] [stdout] 287 +     pub fn as_host_error(&self) -> Option<&dyn host::HostError> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/host.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl HostError {
[INFO] [stdout]     |      ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - impl HostError {
[INFO] [stdout] 117 + impl dyn HostError {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/imports.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |         resolver: &'a ModuleImportResolver,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 -         resolver: &'a ModuleImportResolver,
[INFO] [stdout] 130 +         resolver: &'a dyn ModuleImportResolver,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/imports.rs:139:77
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn push_resolver<N: Into<String>>(&mut self, name: N, resolver: &'a ModuleImportResolver) {
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 139 -     pub fn push_resolver<N: Into<String>>(&mut self, name: N, resolver: &'a ModuleImportResolver) {
[INFO] [stdout] 139 +     pub fn push_resolver<N: Into<String>>(&mut self, name: N, resolver: &'a dyn ModuleImportResolver) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/imports.rs:143:47
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn resolver(&self, name: &str) -> Option<&ModuleImportResolver> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 143 -     fn resolver(&self, name: &str) -> Option<&ModuleImportResolver> {
[INFO] [stdout] 143 +     fn resolver(&self, name: &str) -> Option<&dyn ModuleImportResolver> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/host.rs:121:45
[INFO] [stdout]     |
[INFO] [stdout] 121 |             unsafe { Some(&*(self as *const HostError as *const T)) }
[INFO] [stdout]     |                                             ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 121 -             unsafe { Some(&*(self as *const HostError as *const T)) }
[INFO] [stdout] 121 +             unsafe { Some(&*(self as *const dyn HostError as *const T)) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/host.rs:131:47
[INFO] [stdout]     |
[INFO] [stdout] 131 |             unsafe { Some(&mut *(self as *mut HostError as *mut T)) }
[INFO] [stdout]     |                                               ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 131 -             unsafe { Some(&mut *(self as *mut HostError as *mut T)) }
[INFO] [stdout] 131 +             unsafe { Some(&mut *(self as *mut dyn HostError as *mut T)) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `begin_position`
[INFO] [stdout]   --> src/validation/func.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     begin_position: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BlockFrame` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/validation/func.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling wabt-sys v0.4.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.136/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=95fb63c5ad80202a -C extra-filename=-95fb63c5ad80202a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d43b9eeea9b4257f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-8d5920e04f914a4c.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-3e2cdf5f13aa855a.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --cfg underscore_consts --cfg ptr_addr_of` (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" "55aa9b35747bed3e7cd2cf6539a2f3aaabe76cae683b2e14320e707f384cbb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55aa9b35747bed3e7cd2cf6539a2f3aaabe76cae683b2e14320e707f384cbb73", kill_on_drop: false }`
[INFO] [stdout] 55aa9b35747bed3e7cd2cf6539a2f3aaabe76cae683b2e14320e707f384cbb73