[INFO] cloning repository https://github.com/CaffeineDuck/jBREAD
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CaffeineDuck/jBREAD" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaffeineDuck%2FjBREAD", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaffeineDuck%2FjBREAD'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 234c64a9a3d207f4e013fc7b109c2b982dc800fe
[INFO] checking CaffeineDuck/jBREAD against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaffeineDuck%2FjBREAD" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CaffeineDuck/jBREAD
[INFO] finished tweaking git repo https://github.com/CaffeineDuck/jBREAD
[INFO] tweaked toml for git repo https://github.com/CaffeineDuck/jBREAD written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CaffeineDuck/jBREAD on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CaffeineDuck/jBREAD 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d874b528267c0b46c40c2c01220e7d79ebc8c30eb580e48c15e7b48d8a6c50f9
[INFO] running `Command { std: "docker" "start" "-a" "d874b528267c0b46c40c2c01220e7d79ebc8c30eb580e48c15e7b48d8a6c50f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d874b528267c0b46c40c2c01220e7d79ebc8c30eb580e48c15e7b48d8a6c50f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d874b528267c0b46c40c2c01220e7d79ebc8c30eb580e48c15e7b48d8a6c50f9", kill_on_drop: false }`
[INFO] [stdout] d874b528267c0b46c40c2c01220e7d79ebc8c30eb580e48c15e7b48d8a6c50f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9168c1105317ce662caf5dcf3d96cd7282fa53852b44197a8984557046a1ac40
[INFO] running `Command { std: "docker" "start" "-a" "9168c1105317ce662caf5dcf3d96cd7282fa53852b44197a8984557046a1ac40", kill_on_drop: false }`
[INFO] [stderr]     Checking j_bread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `generate_ast::*`
[INFO] [stdout]  --> src/tool/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use generate_ast::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scanner::*`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use scanner::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_mut_refs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_ast::*`
[INFO] [stdout]  --> src/tool/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use generate_ast::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scanner::*`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use scanner::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_mut_refs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:40:39
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn visit_expr_variable(&mut self, expr: &crate::ast::Variable) -> Self::Result {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn visit_expr_assign(&mut self, expr: &crate::ast::Assign) -> Self::Result {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:52:41
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn visit_stmt_expression(&mut self, expr: &crate::ast::Expression) -> Self::Result {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn visit_stmt_print(&mut self, expr: &crate::ast::Print) -> Self::Result {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn visit_stmt_var(&mut self, expr: &crate::ast::Var) -> Self::Result {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:64:36
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn visit_stmt_block(&mut self, expr: &crate::ast::Block) -> Self::Result {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ParseTrait` is never used
[INFO] [stdout]   --> src/parser.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait ParseTrait {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `lock`
[INFO] [stdout]   --> src/lib.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |         *Self::HAS_ERROR.lock().unwrap() = true;
[INFO] [stdout]    |          ---------------^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `HAS_ERROR` is a interior mutable `const` item of type `std::sync::Mutex<bool>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const HAS_ERROR` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `lock`
[INFO] [stdout]   --> src/lib.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 |         *Self::HAS_ERROR.lock().unwrap() = false;
[INFO] [stdout]    |          ---------------^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `HAS_ERROR` is a interior mutable `const` item of type `std::sync::Mutex<bool>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const HAS_ERROR` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:40:39
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn visit_expr_variable(&mut self, expr: &crate::ast::Variable) -> Self::Result {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn visit_expr_assign(&mut self, expr: &crate::ast::Assign) -> Self::Result {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:52:41
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn visit_stmt_expression(&mut self, expr: &crate::ast::Expression) -> Self::Result {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn visit_stmt_print(&mut self, expr: &crate::ast::Print) -> Self::Result {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn visit_stmt_var(&mut self, expr: &crate::ast::Var) -> Self::Result {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/tool/print_ast.rs:64:36
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn visit_stmt_block(&mut self, expr: &crate::ast::Block) -> Self::Result {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ParseTrait` is never used
[INFO] [stdout]   --> src/parser.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait ParseTrait {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `lock`
[INFO] [stdout]   --> src/lib.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |         *Self::HAS_ERROR.lock().unwrap() = true;
[INFO] [stdout]    |          ---------------^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `HAS_ERROR` is a interior mutable `const` item of type `std::sync::Mutex<bool>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const HAS_ERROR` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(const_item_interior_mutations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: mutation of an interior mutable `const` item with call to `lock`
[INFO] [stdout]   --> src/lib.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 |         *Self::HAS_ERROR.lock().unwrap() = false;
[INFO] [stdout]    |          ---------------^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `HAS_ERROR` is a interior mutable `const` item of type `std::sync::Mutex<bool>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: only the temporaries and never the original `const HAS_ERROR` will be modified
[INFO] [stdout]    = help: for more details on interior mutability see <https://doc.rust-lang.org/reference/interior-mutability.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "9168c1105317ce662caf5dcf3d96cd7282fa53852b44197a8984557046a1ac40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9168c1105317ce662caf5dcf3d96cd7282fa53852b44197a8984557046a1ac40", kill_on_drop: false }`
[INFO] [stdout] 9168c1105317ce662caf5dcf3d96cd7282fa53852b44197a8984557046a1ac40
