[INFO] cloning repository https://github.com/nathanielfernandes/sea
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathanielfernandes/sea" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanielfernandes%2Fsea", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanielfernandes%2Fsea'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4396021588d0e4eb7e9538ed8d584e4c99300a6f
[INFO] checking nathanielfernandes/sea against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanielfernandes%2Fsea" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nathanielfernandes/sea
[INFO] finished tweaking git repo https://github.com/nathanielfernandes/sea
[INFO] tweaked toml for git repo https://github.com/nathanielfernandes/sea written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nathanielfernandes/sea on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nathanielfernandes/sea 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1b00596af36d70a5598746867da1688a26e31dd3f345e87f276df87ee07eb8
[INFO] running `Command { std: "docker" "start" "-a" "ce1b00596af36d70a5598746867da1688a26e31dd3f345e87f276df87ee07eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1b00596af36d70a5598746867da1688a26e31dd3f345e87f276df87ee07eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1b00596af36d70a5598746867da1688a26e31dd3f345e87f276df87ee07eb8", kill_on_drop: false }`
[INFO] [stdout] ce1b00596af36d70a5598746867da1688a26e31dd3f345e87f276df87ee07eb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94296e9d20b7cd872294a52078d7dda9762fdbf111f5d48378129fa7ae25962b
[INFO] running `Command { std: "docker" "start" "-a" "94296e9d20b7cd872294a52078d7dda9762fdbf111f5d48378129fa7ae25962b", kill_on_drop: false }`
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking sea v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IRType` and `IRVariable`
[INFO] [stdout]  --> src/compiler/mod.rs:8:89
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Block, Context, IRConstant, IRExpression, IRFunction, IRFunctionInner, IRStatement, IRType,
[INFO] [stdout]   |                                                                                         ^^^^^^
[INFO] [stdout] 9 |     IRTypeInner, IRValue, IRVariable, InternedString, TypeId, VariableId,
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IRType` and `IRVariable`
[INFO] [stdout]  --> src/compiler/mod.rs:8:89
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Block, Context, IRConstant, IRExpression, IRFunction, IRFunctionInner, IRStatement, IRType,
[INFO] [stdout]   |                                                                                         ^^^^^^
[INFO] [stdout] 9 |     IRTypeInner, IRValue, IRVariable, InternedString, TypeId, VariableId,
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/middle/mod.rs:517:25
[INFO] [stdout]     |
[INFO] [stdout] 517 |                       let mut ctx = $comp.ctx();
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 587 | /         builtins! {
[INFO] [stdout] 588 | |             [comp]
[INFO] [stdout] 589 | |
[INFO] [stdout] 590 | |             fn core::add<T>(T, T) -> T;
[INFO] [stdout] ...   |
[INFO] [stdout] 599 | |             fn println(Any) -> Unit;
[INFO] [stdout] 600 | |         }
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `builtins` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]     --> src/middle/mod.rs:1061:16
[INFO] [stdout]      |
[INFO] [stdout] 1061 |         Span { start, end, value }: &Span<Statement>,
[INFO] [stdout]      |                ^^^^^ help: try ignoring the field: `start: _`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]     --> src/middle/mod.rs:1061:23
[INFO] [stdout]      |
[INFO] [stdout] 1061 |         Span { start, end, value }: &Span<Statement>,
[INFO] [stdout]      |                       ^^^ help: try ignoring the field: `end: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_mutable`
[INFO] [stdout]     --> src/middle/mod.rs:1067:17
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 is_mutable,
[INFO] [stdout]      |                 ^^^^^^^^^^ help: try ignoring the field: `is_mutable: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_kind`
[INFO] [stdout]     --> src/middle/mod.rs:1099:17
[INFO] [stdout]      |
[INFO] [stdout] 1099 |                 function_kind,
[INFO] [stdout]      |                 ^^^^^^^^^^^^^ help: try ignoring the field: `function_kind: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]     --> src/middle/mod.rs:1137:36
[INFO] [stdout]      |
[INFO] [stdout] 1137 |             Statement::WhileLoop { condition, body } => todo!(),
[INFO] [stdout]      |                                    ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]     --> src/middle/mod.rs:1137:47
[INFO] [stdout]      |
[INFO] [stdout] 1137 |             Statement::WhileLoop { condition, body } => todo!(),
[INFO] [stdout]      |                                               ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/middle/mod.rs:1138:33
[INFO] [stdout]      |
[INFO] [stdout] 1138 |             Statement::Struct { name, fields } => todo!(),
[INFO] [stdout]      |                                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]     --> src/middle/mod.rs:1138:39
[INFO] [stdout]      |
[INFO] [stdout] 1138 |             Statement::Struct { name, fields } => todo!(),
[INFO] [stdout]      |                                       ^^^^^^ help: try ignoring the field: `fields: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]     --> src/middle/mod.rs:1374:34
[INFO] [stdout]      |
[INFO] [stdout] 1374 |             Expression::Access { expr, field } => todo!(),
[INFO] [stdout]      |                                  ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]     --> src/middle/mod.rs:1374:40
[INFO] [stdout]      |
[INFO] [stdout] 1374 |             Expression::Access { expr, field } => todo!(),
[INFO] [stdout]      |                                        ^^^^^ help: try ignoring the field: `field: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/middle/mod.rs:517:25
[INFO] [stdout]     |
[INFO] [stdout] 517 |                       let mut ctx = $comp.ctx();
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 587 | /         builtins! {
[INFO] [stdout] 588 | |             [comp]
[INFO] [stdout] 589 | |
[INFO] [stdout] 590 | |             fn core::add<T>(T, T) -> T;
[INFO] [stdout] ...   |
[INFO] [stdout] 599 | |             fn println(Any) -> Unit;
[INFO] [stdout] 600 | |         }
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `builtins` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sea` (lib) due to 1 previous error; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]     --> src/middle/mod.rs:1061:16
[INFO] [stdout]      |
[INFO] [stdout] 1061 |         Span { start, end, value }: &Span<Statement>,
[INFO] [stdout]      |                ^^^^^ help: try ignoring the field: `start: _`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]     --> src/middle/mod.rs:1061:23
[INFO] [stdout]      |
[INFO] [stdout] 1061 |         Span { start, end, value }: &Span<Statement>,
[INFO] [stdout]      |                       ^^^ help: try ignoring the field: `end: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_mutable`
[INFO] [stdout]     --> src/middle/mod.rs:1067:17
[INFO] [stdout]      |
[INFO] [stdout] 1067 |                 is_mutable,
[INFO] [stdout]      |                 ^^^^^^^^^^ help: try ignoring the field: `is_mutable: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_kind`
[INFO] [stdout]     --> src/middle/mod.rs:1099:17
[INFO] [stdout]      |
[INFO] [stdout] 1099 |                 function_kind,
[INFO] [stdout]      |                 ^^^^^^^^^^^^^ help: try ignoring the field: `function_kind: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]     --> src/middle/mod.rs:1137:36
[INFO] [stdout]      |
[INFO] [stdout] 1137 |             Statement::WhileLoop { condition, body } => todo!(),
[INFO] [stdout]      |                                    ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]     --> src/middle/mod.rs:1137:47
[INFO] [stdout]      |
[INFO] [stdout] 1137 |             Statement::WhileLoop { condition, body } => todo!(),
[INFO] [stdout]      |                                               ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]     --> src/middle/mod.rs:1138:33
[INFO] [stdout]      |
[INFO] [stdout] 1138 |             Statement::Struct { name, fields } => todo!(),
[INFO] [stdout]      |                                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]     --> src/middle/mod.rs:1138:39
[INFO] [stdout]      |
[INFO] [stdout] 1138 |             Statement::Struct { name, fields } => todo!(),
[INFO] [stdout]      |                                       ^^^^^^ help: try ignoring the field: `fields: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]     --> src/middle/mod.rs:1374:34
[INFO] [stdout]      |
[INFO] [stdout] 1374 |             Expression::Access { expr, field } => todo!(),
[INFO] [stdout]      |                                  ^^^^ help: try ignoring the field: `expr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]     --> src/middle/mod.rs:1374:40
[INFO] [stdout]      |
[INFO] [stdout] 1374 |             Expression::Access { expr, field } => todo!(),
[INFO] [stdout]      |                                        ^^^^^ help: try ignoring the field: `field: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sea` (lib test) due to 1 previous error; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "94296e9d20b7cd872294a52078d7dda9762fdbf111f5d48378129fa7ae25962b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94296e9d20b7cd872294a52078d7dda9762fdbf111f5d48378129fa7ae25962b", kill_on_drop: false }`
[INFO] [stdout] 94296e9d20b7cd872294a52078d7dda9762fdbf111f5d48378129fa7ae25962b
