[INFO] fetching crate mammoth-setup 0.0.1...
[INFO] building mammoth-setup-0.0.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate mammoth-setup 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mammoth-setup 0.0.1 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mammoth-setup 0.0.1
[INFO] finished tweaking crates.io crate mammoth-setup 0.0.1
[INFO] tweaked toml for crates.io crate mammoth-setup 0.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mammoth-macro v0.0.1
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02e8b98c04769978d6a1167655c2f5ff6a62d8597cfe0a1777b90ec9e63aac6c
[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" "02e8b98c04769978d6a1167655c2f5ff6a62d8597cfe0a1777b90ec9e63aac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02e8b98c04769978d6a1167655c2f5ff6a62d8597cfe0a1777b90ec9e63aac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e8b98c04769978d6a1167655c2f5ff6a62d8597cfe0a1777b90ec9e63aac6c", kill_on_drop: false }`
[INFO] [stdout] 02e8b98c04769978d6a1167655c2f5ff6a62d8597cfe0a1777b90ec9e63aac6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f373f57d04df4bc86a79012b4f75f5cc1222bdf2905d7e99888be47697d040fc
[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" "f373f57d04df4bc86a79012b4f75f5cc1222bdf2905d7e99888be47697d040fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling mammoth-setup v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/validation.rs:7:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | use serde::export::PhantomData;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.126/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/host.rs:187:37
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn validate(&self, logger: &mut Logger, item: &Host) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/mammoth.rs:63:37
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn validate(&self, logger: &mut Logger, item: &Mammoth) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/port.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn validate(&self, logger: &mut Logger, item: &Binding) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:177:70
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let constructor: Symbol<extern fn(Option<Value>) -> *mut MammothInterface> = library.get(b"__construct")?;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:198:37
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn validate(&self, logger: &mut Logger, item: &Module) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:222:28
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let interface: Box<MammothInterface> = unsafe {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:223:70
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let constructor: Symbol<extern fn(Option<Value>) -> *mut MammothInterface> = lib.get(b"__construct")?;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn validate(&self, logger: &mut Logger, item: &ConfigurationFile) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Generic(Box<ErrorTrait + Send + Sync>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loaded/library.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub(in self) interface: Arc<Box<MammothInterface>>
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loaded/library.rs:70:61
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn insert(&mut self, name: &str, interface: Arc<Box<MammothInterface>>) {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/log.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type AsyncLoggerReference = Arc<RwLock<Logger>>;
[INFO] [stdout]   |                                            ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn validate(&self, _: &mut Logger, _: &T) -> Result<(), Error>;
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn validate(&self, logger: &mut Logger, item: &&Path) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<T> Validator<T> for Fn(&mut Logger, &T) -> Result<(), Error> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger, &T) -> Result<(), Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<T> Validator<T> for Fn(&mut Logger, &T) -> Result<(), Error> {
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn validate(&self, logger: &mut Logger, item: &T) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:63:37
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn validate(&self, logger: &mut Logger, item: &Vec<I>) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn validate(&self, logger: &mut Logger, item: &Vec<&I>) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn on_validation(&self, _: &mut Logger) -> Result<(), Error>;
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/config.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             IdValidator(Severity::Critical, mods_dir.to_path_buf(), PhantomData)
[INFO] [stdout]     |             ^^^^^^^^^^^ cannot infer type for type parameter `I` declared on the struct `IdValidator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/config/host.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let validator = IdValidator(Severity::Critical, self.clone(), PhantomData);
[INFO] [stdout]     |                         ^^^^^^^^^^^ cannot infer type for type parameter `I` declared on the struct `IdValidator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mammoth-setup`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f373f57d04df4bc86a79012b4f75f5cc1222bdf2905d7e99888be47697d040fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f373f57d04df4bc86a79012b4f75f5cc1222bdf2905d7e99888be47697d040fc", kill_on_drop: false }`
[INFO] [stdout] f373f57d04df4bc86a79012b4f75f5cc1222bdf2905d7e99888be47697d040fc
