[INFO] cloning repository https://github.com/WiredSound/tilang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WiredSound/tilang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiredSound%2Ftilang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiredSound%2Ftilang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b3e29994d7eb79e782324f3408e390b7ee7844e [INFO] checking WiredSound/tilang against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiredSound%2Ftilang" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/WiredSound/tilang on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/WiredSound/tilang [INFO] finished tweaking git repo https://github.com/WiredSound/tilang [INFO] tweaked toml for git repo https://github.com/WiredSound/tilang written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/WiredSound/tilang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded char_stream v0.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b61ef8a4f588df0c2c51c5796c1c88e661ccaa8955432c623dff4dc85f36de84 [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" "b61ef8a4f588df0c2c51c5796c1c88e661ccaa8955432c623dff4dc85f36de84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b61ef8a4f588df0c2c51c5796c1c88e661ccaa8955432c623dff4dc85f36de84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b61ef8a4f588df0c2c51c5796c1c88e661ccaa8955432c623dff4dc85f36de84", kill_on_drop: false }` [INFO] [stdout] b61ef8a4f588df0c2c51c5796c1c88e661ccaa8955432c623dff4dc85f36de84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 570f2f7e2bbe5f8b06918a0bd878f9254b784affa9322f3a2e483b72d7e212ce [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" "570f2f7e2bbe5f8b06918a0bd878f9254b784affa9322f3a2e483b72d7e212ce", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking char_stream v0.1.8 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking tilang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `identifier` [INFO] [stdout] --> src/checking/checker.rs:101:34 [INFO] [stdout] | [INFO] [stdout] 101 | fn introduce_variable(&self, identifier: &str, var_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identifier` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `var_type` [INFO] [stdout] --> src/checking/checker.rs:101:52 [INFO] [stdout] | [INFO] [stdout] 101 | fn introduce_variable(&self, identifier: &str, var_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `identifier` [INFO] [stdout] --> src/checking/checker.rs:107:34 [INFO] [stdout] | [INFO] [stdout] 107 | fn introduce_function(&self, identifier: &str, parameters: &[super::Type], return_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identifier` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parameters` [INFO] [stdout] --> src/checking/checker.rs:107:52 [INFO] [stdout] | [INFO] [stdout] 107 | fn introduce_function(&self, identifier: &str, parameters: &[super::Type], return_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `return_type` [INFO] [stdout] --> src/checking/checker.rs:107:80 [INFO] [stdout] | [INFO] [stdout] 107 | fn introduce_function(&self, identifier: &str, parameters: &[super::Type], return_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `identifier` [INFO] [stdout] --> src/checking/checker.rs:101:34 [INFO] [stdout] | [INFO] [stdout] 101 | fn introduce_variable(&self, identifier: &str, var_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identifier` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `var_type` [INFO] [stdout] --> src/checking/checker.rs:101:52 [INFO] [stdout] | [INFO] [stdout] 101 | fn introduce_variable(&self, identifier: &str, var_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `identifier` [INFO] [stdout] --> src/checking/checker.rs:107:34 [INFO] [stdout] | [INFO] [stdout] 107 | fn introduce_function(&self, identifier: &str, parameters: &[super::Type], return_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identifier` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parameters` [INFO] [stdout] --> src/checking/checker.rs:107:52 [INFO] [stdout] | [INFO] [stdout] 107 | fn introduce_function(&self, identifier: &str, parameters: &[super::Type], return_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `return_type` [INFO] [stdout] --> src/checking/checker.rs:107:80 [INFO] [stdout] | [INFO] [stdout] 107 | fn introduce_function(&self, identifier: &str, parameters: &[super::Type], return_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `input` [INFO] [stdout] --> src/checking/checker.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn input>(stmts: T) -> Vec> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/checking/checker.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn new(stmts: T) -> Checker { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `introduce_variable` [INFO] [stdout] --> src/checking/checker.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | fn introduce_variable(&self, identifier: &str, var_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `introduce_function` [INFO] [stdout] --> src/checking/checker.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | fn introduce_function(&self, identifier: &str, parameters: &[super::Type], return_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `variable_defs` [INFO] [stdout] --> src/checking/checker.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 201 | variable_defs: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `function_defs` [INFO] [stdout] --> src/checking/checker.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 202 | function_defs: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `identifier` [INFO] [stdout] --> src/checking/checker.rs:206:5 [INFO] [stdout] | [INFO] [stdout] 206 | identifier: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `identifier` [INFO] [stdout] --> src/checking/checker.rs:211:5 [INFO] [stdout] | [INFO] [stdout] 211 | identifier: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parameter_types` [INFO] [stdout] --> src/checking/checker.rs:212:5 [INFO] [stdout] | [INFO] [stdout] 212 | parameter_types: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FinalIR` [INFO] [stdout] --> src/checking/mod.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct FinalIR { /* ... */ } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Array` [INFO] [stdout] --> src/checking/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Array(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/checking/checker.rs:223:13 [INFO] [stdout] | [INFO] [stdout] 223 | let mut chkr = super::Checker::new(iter::empty()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `input` [INFO] [stdout] --> src/checking/checker.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn input>(stmts: T) -> Vec> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `introduce_variable` [INFO] [stdout] --> src/checking/checker.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | fn introduce_variable(&self, identifier: &str, var_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `introduce_function` [INFO] [stdout] --> src/checking/checker.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | fn introduce_function(&self, identifier: &str, parameters: &[super::Type], return_type: super::Type) {} // TODO [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `variable_defs` [INFO] [stdout] --> src/checking/checker.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 201 | variable_defs: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `function_defs` [INFO] [stdout] --> src/checking/checker.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 202 | function_defs: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `identifier` [INFO] [stdout] --> src/checking/checker.rs:206:5 [INFO] [stdout] | [INFO] [stdout] 206 | identifier: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `identifier` [INFO] [stdout] --> src/checking/checker.rs:211:5 [INFO] [stdout] | [INFO] [stdout] 211 | identifier: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parameter_types` [INFO] [stdout] --> src/checking/checker.rs:212:5 [INFO] [stdout] | [INFO] [stdout] 212 | parameter_types: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FinalIR` [INFO] [stdout] --> src/checking/mod.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct FinalIR { /* ... */ } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Array` [INFO] [stdout] --> src/checking/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Array(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.59s [INFO] running `Command { std: "docker" "inspect" "570f2f7e2bbe5f8b06918a0bd878f9254b784affa9322f3a2e483b72d7e212ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "570f2f7e2bbe5f8b06918a0bd878f9254b784affa9322f3a2e483b72d7e212ce", kill_on_drop: false }` [INFO] [stdout] 570f2f7e2bbe5f8b06918a0bd878f9254b784affa9322f3a2e483b72d7e212ce