[INFO] cloning repository https://github.com/kislball/ena
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kislball/ena" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Fena", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Fena'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28830c5c0386a78ee38a0bb21550452d474229f9
[INFO] checking kislball/ena against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Fena" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kislball/ena
[INFO] finished tweaking git repo https://github.com/kislball/ena
[INFO] tweaked toml for git repo https://github.com/kislball/ena written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kislball/ena on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kislball/ena 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2d5f361f90b3a0918532e4451e8b67cce89c60829c5cfb06a6de5d8f5cff306
[INFO] running `Command { std: "docker" "start" "-a" "c2d5f361f90b3a0918532e4451e8b67cce89c60829c5cfb06a6de5d8f5cff306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d5f361f90b3a0918532e4451e8b67cce89c60829c5cfb06a6de5d8f5cff306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d5f361f90b3a0918532e4451e8b67cce89c60829c5cfb06a6de5d8f5cff306", kill_on_drop: false }`
[INFO] [stdout] c2d5f361f90b3a0918532e4451e8b67cce89c60829c5cfb06a6de5d8f5cff306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bad12ebda2f3ac0367add504449b2c3ba31c0d284898a2411c0c7b145b2ba1b6
[INFO] running `Command { std: "docker" "start" "-a" "bad12ebda2f3ac0367add504449b2c3ba31c0d284898a2411c0c7b145b2ba1b6", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking radix_fmt v1.0.0
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha256 v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ordered-float v3.4.0
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking clap v4.1.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking flexstr v0.9.2
[INFO] [stderr]     Checking enalang_ir v0.6.1 (/opt/rustwide/workdir/enalang_ir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> enalang_ir/src/lib.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn into_serializable(&self) -> IRSerializable {
[INFO] [stdout]    |                              ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn into_serializable(&self) -> IRSerializable<'_> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> enalang_ir/src/lib.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn from_vec(data: &[u8]) -> Result<IRSerializable, SerializationError> {
[INFO] [stdout]     |                       ^^^^^            ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn from_vec(data: &[u8]) -> Result<IRSerializable<'_>, SerializationError> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> enalang_ir/src/lib.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn into_serializable(&self) -> IRSerializable {
[INFO] [stdout]    |                              ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn into_serializable(&self) -> IRSerializable<'_> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> enalang_ir/src/lib.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn from_vec(data: &[u8]) -> Result<IRSerializable, SerializationError> {
[INFO] [stdout]     |                       ^^^^^            ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn from_vec(data: &[u8]) -> Result<IRSerializable<'_>, SerializationError> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking enalang_vm v0.6.1 (/opt/rustwide/workdir/enalang_vm)
[INFO] [stderr]     Checking enalang_compiler v0.6.1 (/opt/rustwide/workdir/enalang_compiler)
[INFO] [stderr]     Checking enalang_cgen v0.6.1 (/opt/rustwide/workdir/enalang_cgen)
[INFO] [stdout] warning: associated function `mangle_name` is never used
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl CGen {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn mangle_name(l: LocalStr) -> LocalStr {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:68:59
[INFO] [stdout]    |
[INFO] [stdout] 68 |       pub fn compile_ir(&self) -> Result<String, CGenError> {
[INFO] [stdout]    |  ___________________________________________________________^
[INFO] [stdout] 69 | |         Ok(String::new())
[INFO] [stdout] 70 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok(String::new())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:72:56
[INFO] [stdout]    |
[INFO] [stdout] 72 |       pub fn compile(&self) -> Result<String, CGenError> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 73 | |         Ok(format!(
[INFO] [stdout] 74 | |             "// AUTO-GENERATED, DO NOT EDIT\n{head}\n// ENA CGEN OUTPUT BEGIN HERE:\n{body}",
[INFO] [stdout] 75 | |             head = get_chead(),
[INFO] [stdout] 76 | |             body = self.compile_ir()?
[INFO] [stdout] 77 | |         ))
[INFO] [stdout] 78 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         Ok(format!(
[INFO] [stdout] 74 | |             "// AUTO-GENERATED, DO NOT EDIT\n{head}\n// ENA CGEN OUTPUT BEGIN HERE:\n{body}",
[INFO] [stdout] 75 | |             head = get_chead(),
[INFO] [stdout] 76 | |             body = self.compile_ir()?
[INFO] [stdout] 77 | |         ))
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, CGenError>, std::string::String>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |             body = self.compile_ir()?
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |             body = self.compile_ir()?
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |             body = self.compile_ir()?
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enalang_cgen` (lib) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function `mangle_name` is never used
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl CGen {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn mangle_name(l: LocalStr) -> LocalStr {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enalang_cgen` (lib test) due to 7 previous errors; 1 warning emitted
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:68:59
[INFO] [stdout]    |
[INFO] [stdout] 68 |       pub fn compile_ir(&self) -> Result<String, CGenError> {
[INFO] [stdout]    |  ___________________________________________________________^
[INFO] [stdout] 69 | |         Ok(String::new())
[INFO] [stdout] 70 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok(String::new())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:72:56
[INFO] [stdout]    |
[INFO] [stdout] 72 |       pub fn compile(&self) -> Result<String, CGenError> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 73 | |         Ok(format!(
[INFO] [stdout] 74 | |             "// AUTO-GENERATED, DO NOT EDIT\n{head}\n// ENA CGEN OUTPUT BEGIN HERE:\n{body}",
[INFO] [stdout] 75 | |             head = get_chead(),
[INFO] [stdout] 76 | |             body = self.compile_ir()?
[INFO] [stdout] 77 | |         ))
[INFO] [stdout] 78 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         Ok(format!(
[INFO] [stdout] 74 | |             "// AUTO-GENERATED, DO NOT EDIT\n{head}\n// ENA CGEN OUTPUT BEGIN HERE:\n{body}",
[INFO] [stdout] 75 | |             head = get_chead(),
[INFO] [stdout] 76 | |             body = self.compile_ir()?
[INFO] [stdout] 77 | |         ))
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, CGenError>, std::string::String>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |             body = self.compile_ir()?
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |             body = self.compile_ir()?
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, CGenError>
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |             body = self.compile_ir()?
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bad12ebda2f3ac0367add504449b2c3ba31c0d284898a2411c0c7b145b2ba1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad12ebda2f3ac0367add504449b2c3ba31c0d284898a2411c0c7b145b2ba1b6", kill_on_drop: false }`
[INFO] [stdout] bad12ebda2f3ac0367add504449b2c3ba31c0d284898a2411c0c7b145b2ba1b6
