[INFO] crate cranelift-codegen 0.30.0 is already in cache
[INFO] extracting crate cranelift-codegen 0.30.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cranelift-codegen/0.30.0
[INFO] extracting crate cranelift-codegen 0.30.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/cranelift-codegen/0.30.0
[INFO] validating manifest of cranelift-codegen-0.30.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cranelift-codegen-0.30.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cranelift-codegen-0.30.0
[INFO] finished frobbing cranelift-codegen-0.30.0
[INFO] frobbed toml for cranelift-codegen-0.30.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cranelift-codegen/0.30.0/Cargo.toml
[INFO] started frobbing cranelift-codegen-0.30.0
[INFO] finished frobbing cranelift-codegen-0.30.0
[INFO] frobbed toml for cranelift-codegen-0.30.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/cranelift-codegen/0.30.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cranelift-codegen-0.30.0 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cranelift-codegen/0.30.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d179d4836f36dadb4637039b012df96b5522fed112c0a6a031fb86a9c0d89fed
[INFO] running `"docker" "start" "-a" "d179d4836f36dadb4637039b012df96b5522fed112c0a6a031fb86a9c0d89fed"`
[INFO] [stderr]    Compiling cranelift-codegen v0.30.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling target-lexicon v0.3.0
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 325 |     use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:398:41
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 398 |     use crate::ir::condcodes::{FloatCC, IntCC};
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:494:41
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 494 |     use crate::ir::condcodes::{FloatCC, IntCC};
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:614:41
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 614 |     use crate::ir::condcodes::{FloatCC, IntCC};
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:696:41
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 696 |     use crate::ir::condcodes::{FloatCC, IntCC};
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 325 |     use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:398:41
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 398 |     use crate::ir::condcodes::{FloatCC, IntCC};
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:494:41
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 494 |     use crate::ir::condcodes::{FloatCC, IntCC};
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:614:41
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 614 |     use crate::ir::condcodes::{FloatCC, IntCC};
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IntCC` is imported redundantly
[INFO] [stderr]    --> src/isa/x86/enc_tables.rs:696:41
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::ir::condcodes::IntCC;
[INFO] [stderr]     |     --------------------------- the item `IntCC` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 696 |     use crate::ir::condcodes::{FloatCC, IntCC};
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/verifier/mod.rs:574:13
[INFO] [stderr]     |
[INFO] [stderr] 574 |             self.verify_inst_result(inst, res, errors).is_ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1062:9
[INFO] [stderr]      |
[INFO] [stderr] 1062 |         self.typecheck_results(inst, ctrl_type, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1063:9
[INFO] [stderr]      |
[INFO] [stderr] 1063 |         self.typecheck_fixed_args(inst, ctrl_type, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1064:9
[INFO] [stderr]      |
[INFO] [stderr] 1064 |         self.typecheck_variable_args(inst, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1065:9
[INFO] [stderr]      |
[INFO] [stderr] 1065 |         self.typecheck_return(inst, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1066:9
[INFO] [stderr]      |
[INFO] [stderr] 1066 |         self.typecheck_special(inst, ctrl_type, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/verifier/mod.rs:574:13
[INFO] [stderr]     |
[INFO] [stderr] 574 |             self.verify_inst_result(inst, res, errors).is_ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1062:9
[INFO] [stderr]      |
[INFO] [stderr] 1062 |         self.typecheck_results(inst, ctrl_type, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1063:9
[INFO] [stderr]      |
[INFO] [stderr] 1063 |         self.typecheck_fixed_args(inst, ctrl_type, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1064:9
[INFO] [stderr]      |
[INFO] [stderr] 1064 |         self.typecheck_variable_args(inst, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1065:9
[INFO] [stderr]      |
[INFO] [stderr] 1065 |         self.typecheck_return(inst, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/verifier/mod.rs:1066:9
[INFO] [stderr]      |
[INFO] [stderr] 1066 |         self.typecheck_special(inst, ctrl_type, errors).is_ok();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.78s
[INFO] running `"docker" "inspect" "d179d4836f36dadb4637039b012df96b5522fed112c0a6a031fb86a9c0d89fed"`
[INFO] running `"docker" "rm" "-f" "d179d4836f36dadb4637039b012df96b5522fed112c0a6a031fb86a9c0d89fed"`
[INFO] [stdout] d179d4836f36dadb4637039b012df96b5522fed112c0a6a031fb86a9c0d89fed