[INFO] fetching crate alexcrichton-cranelift-codegen-meta 0.53.0...
[INFO] checking alexcrichton-cranelift-codegen-meta-0.53.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate alexcrichton-cranelift-codegen-meta 0.53.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate alexcrichton-cranelift-codegen-meta 0.53.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alexcrichton-cranelift-codegen-meta 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift-codegen-meta 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift-codegen-meta 0.53.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a224c38cc8bd4e875b6121db387320e760947530e5efe72d9adf3b0ebf13c450
[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" "a224c38cc8bd4e875b6121db387320e760947530e5efe72d9adf3b0ebf13c450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a224c38cc8bd4e875b6121db387320e760947530e5efe72d9adf3b0ebf13c450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a224c38cc8bd4e875b6121db387320e760947530e5efe72d9adf3b0ebf13c450", kill_on_drop: false }`
[INFO] [stdout] a224c38cc8bd4e875b6121db387320e760947530e5efe72d9adf3b0ebf13c450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38f233294ac2160a5f449031cd367f2a9b3d1366abc04f64c7d659a09a3e5117
[INFO] running `Command { std: "docker" "start" "-a" "38f233294ac2160a5f449031cd367f2a9b3d1366abc04f64c7d659a09a3e5117", kill_on_drop: false }`
[INFO] [stderr]     Checking alexcrichton-cranelift-codegen-meta v0.53.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/ast.rs:299:13
[INFO] [stdout]     |
[INFO] [stdout] 299 |             format!("redefinition of variable {}", self.name)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 299 |             "redefinition of variable {}", self.name
[INFO] [stdout]     |            --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/ast.rs:464:13
[INFO] [stdout]     |
[INFO] [stdout] 464 |             format!("incorrect number of arguments in instruction {}", inst.name)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 464 |             "incorrect number of arguments in instruction {}", inst.name
[INFO] [stdout]     |            --                                                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/encodings.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 | /             format!(
[INFO] [stdout] 157 | |                 "Inst {} and recipe {} must have the same format!",
[INFO] [stdout] 158 | |                 inst.name, recipes[self.recipe].name
[INFO] [stdout] 159 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 156 |             
[INFO] [stdout] 157 |                 "Inst {} and recipe {} must have the same format!",
[INFO] [stdout] 158 |                 inst.name, recipes[self.recipe].name
[INFO] [stdout] 159 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/instructions.rs:387:43
[INFO] [stdout]     |
[INFO] [stdout] 387 |             ValueTypeOrAny::Any => panic!(format!("Unexpected Any: {}", msg)),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 387 |             ValueTypeOrAny::Any => panic!("Unexpected Any: {}", msg),
[INFO] [stdout]     |                                          --                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/instructions.rs:658:33
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Some(msg) => panic!(msg),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Some(msg) => panic!("{}", msg),
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Some(msg) => std::panic::panic_any(msg),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/recipes.rs:263:17
[INFO] [stdout]     |
[INFO] [stdout] 263 | /                 format!(
[INFO] [stdout] 264 | |                     "missing operand constraints for recipe {} (format {})",
[INFO] [stdout] 265 | |                     self.name, self.format.name
[INFO] [stdout] 266 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 
[INFO] [stdout] 264 |                     "missing operand constraints for recipe {} (format {})",
[INFO] [stdout] 265 |                     self.name, self.format.name
[INFO] [stdout] 266 |                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/type_inference.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |                         format!("variable {} should be explicitly ranked", actual_tv.name)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 213 |                         "variable {} should be explicitly ranked", actual_tv.name
[INFO] [stdout]     |                        --                                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cdsl/xform.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 format!("'{:?}' used as both input and def", var_pool.get(var_index))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 "'{:?}' used as both input and def", var_pool.get(var_index)
[INFO] [stdout]    |                --                                                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cdsl/xform.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 | /             format!(
[INFO] [stdout] 83 | |                 "extra input vars in dst pattern: {:?}",
[INFO] [stdout] 84 | |                 input_vars
[INFO] [stdout] 85 | |                     .iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |                     .collect::<Vec<_>>()
[INFO] [stdout] 89 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 82 |             
[INFO] [stdout] 83 |                 "extra input vars in dst pattern: {:?}",
[INFO] [stdout] 84 |                 input_vars
[INFO] [stdout] 85 |                     .iter()
[INFO] [stdout] 86 |                     .map(|&i| var_pool.get(i))
[INFO] [stdout] 87 |                     .skip(num_src_inputs)
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 format!("{:?} not defined in the destination pattern", defined_var)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 "{:?} not defined in the destination pattern", defined_var
[INFO] [stdout]     |                --                                                        --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     format!("{:?} used as both input and def", var)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     "{:?} used as both input and def", var
[INFO] [stdout]     |                    --                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 403 | /             format!(
[INFO] [stdout] 404 | |                 "custom legalization action for {} inserted twice",
[INFO] [stdout] 405 | |                 inst.name
[INFO] [stdout] 406 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 403 |             
[INFO] [stdout] 404 |                 "custom legalization action for {} inserted twice",
[INFO] [stdout] 405 |                 inst.name
[INFO] [stdout] 406 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:445:17
[INFO] [stdout]     |
[INFO] [stdout] 445 |                 format!("trying to insert {} for the second time", new_group.name)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 445 |                 "trying to insert {} for the second time", new_group.name
[INFO] [stdout]     |                --                                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:462:16
[INFO] [stdout]     |
[INFO] [stdout] 462 |         panic!(format!("transform group with name {} not found", name));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 462 |         panic!("transform group with name {} not found", name);
[INFO] [stdout]     |               --                                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/isa/riscv/recipes.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             format!("riscv recipe '{}' created twice", builder.name)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 28 |             "riscv recipe '{}' created twice", builder.name
[INFO] [stdout]    |            --                                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/isa/x86/encodings.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 | /                 format!(
[INFO] [stdout] 49 | |                     "trying to insert different recipes with a same name ({})",
[INFO] [stdout] 50 | |                     recipe.name
[INFO] [stdout] 51 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 
[INFO] [stdout] 49 |                     "trying to insert different recipes with a same name ({})",
[INFO] [stdout] 50 |                     recipe.name
[INFO] [stdout] 51 |                 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/gen_encodings.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 | / ...       format!("Format predicate can only operate on a single InstructionFormat; trying to use both {} and {}", previous_format_name, ...
[INFO] [stdout] 103 | | ...   ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 102 |                         "Format predicate can only operate on a single InstructionFormat; trying to use both {} and {}", previous_format_name, leaf_format_name
[INFO] [stdout] 103 |                     );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/ast.rs:299:13
[INFO] [stdout]     |
[INFO] [stdout] 299 |             format!("redefinition of variable {}", self.name)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 299 |             "redefinition of variable {}", self.name
[INFO] [stdout]     |            --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/ast.rs:464:13
[INFO] [stdout]     |
[INFO] [stdout] 464 |             format!("incorrect number of arguments in instruction {}", inst.name)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 464 |             "incorrect number of arguments in instruction {}", inst.name
[INFO] [stdout]     |            --                                                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/encodings.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 | /             format!(
[INFO] [stdout] 157 | |                 "Inst {} and recipe {} must have the same format!",
[INFO] [stdout] 158 | |                 inst.name, recipes[self.recipe].name
[INFO] [stdout] 159 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 156 |             
[INFO] [stdout] 157 |                 "Inst {} and recipe {} must have the same format!",
[INFO] [stdout] 158 |                 inst.name, recipes[self.recipe].name
[INFO] [stdout] 159 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/instructions.rs:387:43
[INFO] [stdout]     |
[INFO] [stdout] 387 |             ValueTypeOrAny::Any => panic!(format!("Unexpected Any: {}", msg)),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 387 |             ValueTypeOrAny::Any => panic!("Unexpected Any: {}", msg),
[INFO] [stdout]     |                                          --                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/instructions.rs:658:33
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Some(msg) => panic!(msg),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Some(msg) => panic!("{}", msg),
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 658 |             Some(msg) => std::panic::panic_any(msg),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/recipes.rs:263:17
[INFO] [stdout]     |
[INFO] [stdout] 263 | /                 format!(
[INFO] [stdout] 264 | |                     "missing operand constraints for recipe {} (format {})",
[INFO] [stdout] 265 | |                     self.name, self.format.name
[INFO] [stdout] 266 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 
[INFO] [stdout] 264 |                     "missing operand constraints for recipe {} (format {})",
[INFO] [stdout] 265 |                     self.name, self.format.name
[INFO] [stdout] 266 |                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/type_inference.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |                         format!("variable {} should be explicitly ranked", actual_tv.name)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 213 |                         "variable {} should be explicitly ranked", actual_tv.name
[INFO] [stdout]     |                        --                                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cdsl/xform.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 format!("'{:?}' used as both input and def", var_pool.get(var_index))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 "'{:?}' used as both input and def", var_pool.get(var_index)
[INFO] [stdout]    |                --                                                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cdsl/xform.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 | /             format!(
[INFO] [stdout] 83 | |                 "extra input vars in dst pattern: {:?}",
[INFO] [stdout] 84 | |                 input_vars
[INFO] [stdout] 85 | |                     .iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |                     .collect::<Vec<_>>()
[INFO] [stdout] 89 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 82 |             
[INFO] [stdout] 83 |                 "extra input vars in dst pattern: {:?}",
[INFO] [stdout] 84 |                 input_vars
[INFO] [stdout] 85 |                     .iter()
[INFO] [stdout] 86 |                     .map(|&i| var_pool.get(i))
[INFO] [stdout] 87 |                     .skip(num_src_inputs)
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 format!("{:?} not defined in the destination pattern", defined_var)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 "{:?} not defined in the destination pattern", defined_var
[INFO] [stdout]     |                --                                                        --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     format!("{:?} used as both input and def", var)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     "{:?} used as both input and def", var
[INFO] [stdout]     |                    --                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 403 | /             format!(
[INFO] [stdout] 404 | |                 "custom legalization action for {} inserted twice",
[INFO] [stdout] 405 | |                 inst.name
[INFO] [stdout] 406 | |             )
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 403 |             
[INFO] [stdout] 404 |                 "custom legalization action for {} inserted twice",
[INFO] [stdout] 405 |                 inst.name
[INFO] [stdout] 406 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:445:17
[INFO] [stdout]     |
[INFO] [stdout] 445 |                 format!("trying to insert {} for the second time", new_group.name)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 445 |                 "trying to insert {} for the second time", new_group.name
[INFO] [stdout]     |                --                                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cdsl/xform.rs:462:16
[INFO] [stdout]     |
[INFO] [stdout] 462 |         panic!(format!("transform group with name {} not found", name));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 462 |         panic!("transform group with name {} not found", name);
[INFO] [stdout]     |               --                                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/isa/riscv/recipes.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             format!("riscv recipe '{}' created twice", builder.name)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 28 |             "riscv recipe '{}' created twice", builder.name
[INFO] [stdout]    |            --                                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/isa/x86/encodings.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 | /                 format!(
[INFO] [stdout] 49 | |                     "trying to insert different recipes with a same name ({})",
[INFO] [stdout] 50 | |                     recipe.name
[INFO] [stdout] 51 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 
[INFO] [stdout] 49 |                     "trying to insert different recipes with a same name ({})",
[INFO] [stdout] 50 |                     recipe.name
[INFO] [stdout] 51 |                 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/gen_encodings.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 | / ...       format!("Format predicate can only operate on a single InstructionFormat; trying to use both {} and {}", previous_format_name, ...
[INFO] [stdout] 103 | | ...   ));
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 102 |                         "Format predicate can only operate on a single InstructionFormat; trying to use both {} and {}", previous_format_name, leaf_format_name
[INFO] [stdout] 103 |                     );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "38f233294ac2160a5f449031cd367f2a9b3d1366abc04f64c7d659a09a3e5117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f233294ac2160a5f449031cd367f2a9b3d1366abc04f64c7d659a09a3e5117", kill_on_drop: false }`
[INFO] [stdout] 38f233294ac2160a5f449031cd367f2a9b3d1366abc04f64c7d659a09a3e5117