[INFO] cloning repository https://github.com/sammosampson/hephaestus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammosampson/hephaestus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammosampson%2Fhephaestus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammosampson%2Fhephaestus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70186106a7c4869550c38dabf99393f22db2ad1a
[INFO] checking sammosampson/hephaestus against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammosampson%2Fhephaestus" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sammosampson/hephaestus
[INFO] finished tweaking git repo https://github.com/sammosampson/hephaestus
[INFO] tweaked toml for git repo https://github.com/sammosampson/hephaestus written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sammosampson/hephaestus on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sammosampson/hephaestus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8d9c8a73cf8616d694eb3a2f3be8e6f2604c14976bb53a1eb50ec0e8c91f78
[INFO] running `Command { std: "docker" "start" "-a" "0d8d9c8a73cf8616d694eb3a2f3be8e6f2604c14976bb53a1eb50ec0e8c91f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8d9c8a73cf8616d694eb3a2f3be8e6f2604c14976bb53a1eb50ec0e8c91f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8d9c8a73cf8616d694eb3a2f3be8e6f2604c14976bb53a1eb50ec0e8c91f78", kill_on_drop: false }`
[INFO] [stdout] 0d8d9c8a73cf8616d694eb3a2f3be8e6f2604c14976bb53a1eb50ec0e8c91f78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23241b3966f43d5db223ddd5178355d99e79ab88d640931070c4817ba9897548
[INFO] running `Command { std: "docker" "start" "-a" "23241b3966f43d5db223ddd5178355d99e79ab88d640931070c4817ba9897548", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking uuid v1.1.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rust-hephaestus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `llvm::*`
[INFO] [stdout]  --> src/backends/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use llvm::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `todo_error` is ambiguous
[INFO] [stdout]    --> src/backends/x64/builder.rs:109:69
[INFO] [stdout]     |
[INFO] [stdout] 109 |             ByteCodeSymbol::AbsoluteExternal64 { .. } => return Err(todo_error("64 bit absolute external symbol insertion")),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^ ambiguous name
[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 #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `todo_error` could refer to the function imported here
[INFO] [stdout]    --> src/backends/mod.rs:7:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | pub use errors::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `todo_error` to disambiguate
[INFO] [stdout] note: `todo_error` could also refer to the function imported here
[INFO] [stdout]    --> src/backends/mod.rs:15:5
[INFO] [stdout]     |
[INFO] [stdout] 15  |     errors::*
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `todo_error` to disambiguate
[INFO] [stdout]     = note: `#[deny(ambiguous_glob_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `todo_error` is ambiguous
[INFO] [stdout]    --> src/backends/x64/builder.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |             _ => Err(todo_error("more call return arg registers"))
[INFO] [stdout]     |                      ^^^^^^^^^^ ambiguous name
[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 #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `todo_error` could refer to the function imported here
[INFO] [stdout]    --> src/backends/mod.rs:7:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | pub use errors::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `todo_error` to disambiguate
[INFO] [stdout] note: `todo_error` could also refer to the function imported here
[INFO] [stdout]    --> src/backends/mod.rs:15:5
[INFO] [stdout]     |
[INFO] [stdout] 15  |     errors::*
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `todo_error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `perform_typing` is ambiguous
[INFO] [stdout]   --> src/compilation/parsing.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         perform_typing(compiler, unit, ctx);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ ambiguous name
[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 #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]    = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `perform_typing` could refer to the function imported here
[INFO] [stdout]   --> src/compilation/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use typing::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `perform_typing` to disambiguate
[INFO] [stdout] note: `perform_typing` could also refer to the function imported here
[INFO] [stdout]   --> src/compilation/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     typing::*,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `perform_typing` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use typing::*;
[INFO] [stdout]    |         ^^^^^^^^^ the name `perform_typing` in the value namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 29 | pub use compilation::*;
[INFO] [stdout]    |         -------------- but the name `perform_typing` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub use sizing::*;
[INFO] [stdout]    |         ^^^^^^^^^ the name `perform_sizing` in the value namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 29 | pub use compilation::*;
[INFO] [stdout]    |         -------------- but the name `perform_sizing` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub use backends::*;
[INFO] [stdout]    |         ^^^^^^^^^^^ the name `todo_error` in the value namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 34 | pub use errors::*;
[INFO] [stdout]    |         --------- but the name `todo_error` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `llvm::*`
[INFO] [stdout]  --> src/backends/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use llvm::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `todo_error` is ambiguous
[INFO] [stdout]    --> src/backends/x64/builder.rs:109:69
[INFO] [stdout]     |
[INFO] [stdout] 109 |             ByteCodeSymbol::AbsoluteExternal64 { .. } => return Err(todo_error("64 bit absolute external symbol insertion")),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^ ambiguous name
[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 #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `todo_error` could refer to the function imported here
[INFO] [stdout]    --> src/backends/mod.rs:7:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | pub use errors::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `todo_error` to disambiguate
[INFO] [stdout] note: `todo_error` could also refer to the function imported here
[INFO] [stdout]    --> src/backends/mod.rs:15:5
[INFO] [stdout]     |
[INFO] [stdout] 15  |     errors::*
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `todo_error` to disambiguate
[INFO] [stdout]     = note: `#[deny(ambiguous_glob_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `todo_error` is ambiguous
[INFO] [stdout]    --> src/backends/x64/builder.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |             _ => Err(todo_error("more call return arg registers"))
[INFO] [stdout]     |                      ^^^^^^^^^^ ambiguous name
[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 #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `todo_error` could refer to the function imported here
[INFO] [stdout]    --> src/backends/mod.rs:7:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | pub use errors::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `todo_error` to disambiguate
[INFO] [stdout] note: `todo_error` could also refer to the function imported here
[INFO] [stdout]    --> src/backends/mod.rs:15:5
[INFO] [stdout]     |
[INFO] [stdout] 15  |     errors::*
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `todo_error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `perform_typing` is ambiguous
[INFO] [stdout]   --> src/compilation/parsing.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         perform_typing(compiler, unit, ctx);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ ambiguous name
[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 #114095 <https://github.com/rust-lang/rust/issues/114095>
[INFO] [stdout]    = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `perform_typing` could refer to the function imported here
[INFO] [stdout]   --> src/compilation/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use typing::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `perform_typing` to disambiguate
[INFO] [stdout] note: `perform_typing` could also refer to the function imported here
[INFO] [stdout]   --> src/compilation/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     typing::*,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `perform_typing` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use typing::*;
[INFO] [stdout]    |         ^^^^^^^^^ the name `perform_typing` in the value namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 29 | pub use compilation::*;
[INFO] [stdout]    |         -------------- but the name `perform_typing` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub use sizing::*;
[INFO] [stdout]    |         ^^^^^^^^^ the name `perform_sizing` in the value namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 29 | pub use compilation::*;
[INFO] [stdout]    |         -------------- but the name `perform_sizing` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub use backends::*;
[INFO] [stdout]    |         ^^^^^^^^^^^ the name `todo_error` in the value namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 34 | pub use errors::*;
[INFO] [stdout]    |         --------- but the name `todo_error` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parsing/lexical/source_files.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn create_reader(input: &str) -> SourceFileCharacterReader {
[INFO] [stdout]    |                             ^^^^     ------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn create_reader(input: &str) -> SourceFileCharacterReader<'_> {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parsing/lexical/lexer.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn lex(input: &str) -> Lexer {
[INFO] [stdout]    |                   ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn lex(input: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/threading.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn lock<T>(to_lock: &Lockable<T>) -> Locked<T> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn lock<T>(to_lock: &Lockable<T>) -> Locked<'_, T> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-hephaestus` (lib) due to 6 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parsing/lexical/source_files.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn create_reader(input: &str) -> SourceFileCharacterReader {
[INFO] [stdout]    |                             ^^^^     ------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn create_reader(input: &str) -> SourceFileCharacterReader<'_> {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parsing/lexical/lexer.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn lex(input: &str) -> Lexer {
[INFO] [stdout]    |                   ^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn lex(input: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/threading.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn lock<T>(to_lock: &Lockable<T>) -> Locked<T> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn lock<T>(to_lock: &Lockable<T>) -> Locked<'_, T> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-hephaestus` (lib test) due to 6 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "23241b3966f43d5db223ddd5178355d99e79ab88d640931070c4817ba9897548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23241b3966f43d5db223ddd5178355d99e79ab88d640931070c4817ba9897548", kill_on_drop: false }`
[INFO] [stdout] 23241b3966f43d5db223ddd5178355d99e79ab88d640931070c4817ba9897548
