Dec 19 10:08:29.185 INFO checking rjmholt/mips-disasm-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:08:29.185 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/rjmholt/mips-disasm-rust:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:08:29.676 INFO [stdout] 7685b025bbdb0369f2132d7ef8eac8bd6b731c4336304c5b92ec73868bcd5c66
Dec 19 10:08:29.676 INFO running `"docker" "start" "-a" "7685b025bbdb0369f2132d7ef8eac8bd6b731c4336304c5b92ec73868bcd5c66"`
Dec 19 10:08:31.385 INFO [stderr]     Checking mips v0.1.0 (/opt/crater/workdir)
Dec 19 10:08:31.588 INFO [stderr] warning: unused import: `std`
Dec 19 10:08:31.588 INFO [stderr]  --> src/mips/read.rs:1:5
Dec 19 10:08:31.588 INFO [stderr]   |
Dec 19 10:08:31.588 INFO [stderr] 1 | use std;
Dec 19 10:08:31.588 INFO [stderr]   |     ^^^
Dec 19 10:08:31.588 INFO [stderr]   |
Dec 19 10:08:31.588 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:08:31.588 INFO [stderr] 
Dec 19 10:08:31.588 INFO [stderr] warning: unused import: `std::fmt::Error`
Dec 19 10:08:31.588 INFO [stderr]  --> src/mips/read.rs:3:5
Dec 19 10:08:31.588 INFO [stderr]   |
Dec 19 10:08:31.588 INFO [stderr] 3 | use std::fmt::Error;
Dec 19 10:08:31.588 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 10:08:31.600 INFO [stderr] 
Dec 19 10:08:31.600 INFO [stderr] warning: unused import: `std`
Dec 19 10:08:31.600 INFO [stderr]  --> src/mips/read.rs:1:5
Dec 19 10:08:31.600 INFO [stderr]   |
Dec 19 10:08:31.600 INFO [stderr] 1 | use std;
Dec 19 10:08:31.600 INFO [stderr]   |     ^^^
Dec 19 10:08:31.600 INFO [stderr]   |
Dec 19 10:08:31.600 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:08:31.600 INFO [stderr] 
Dec 19 10:08:31.600 INFO [stderr] warning: unused import: `std::fmt::Error`
Dec 19 10:08:31.600 INFO [stderr]  --> src/mips/read.rs:3:5
Dec 19 10:08:31.600 INFO [stderr]   |
Dec 19 10:08:31.600 INFO [stderr] 3 | use std::fmt::Error;
Dec 19 10:08:31.600 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 10:08:31.600 INFO [stderr] 
Dec 19 10:08:31.815 INFO [stderr] warning: value assigned to `curr_addr` is never read
Dec 19 10:08:31.815 INFO [stderr]    --> src/main.rs:100:5
Dec 19 10:08:31.815 INFO [stderr]     |
Dec 19 10:08:31.815 INFO [stderr] 100 |     curr_addr = mips::START_ADDR;
Dec 19 10:08:31.815 INFO [stderr]     |     ^^^^^^^^^
Dec 19 10:08:31.815 INFO [stderr]     |
Dec 19 10:08:31.815 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 10:08:31.815 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 10:08:31.815 INFO [stderr] 
Dec 19 10:08:31.815 INFO [stderr] warning: unused variable: `curr_addr`
Dec 19 10:08:31.815 INFO [stderr]    --> src/mips/data.rs:398:27
Dec 19 10:08:31.815 INFO [stderr]     |
Dec 19 10:08:31.815 INFO [stderr] 398 |     fn branch_addr(&self, curr_addr: u32) -> u32
Dec 19 10:08:31.815 INFO [stderr]     |                           ^^^^^^^^^ help: consider using `_curr_addr` instead
Dec 19 10:08:31.878 INFO [stderr]     |
Dec 19 10:08:31.878 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 10:08:31.878 INFO [stderr] 
Dec 19 10:08:31.878 INFO [stderr] warning: unused variable: `curr_addr`
Dec 19 10:08:31.878 INFO [stderr]    --> src/mips/data.rs:419:27
Dec 19 10:08:31.878 INFO [stderr]     |
Dec 19 10:08:31.878 INFO [stderr] 419 |     fn branch_addr(&self, curr_addr: u32) -> u32
Dec 19 10:08:31.878 INFO [stderr]     |                           ^^^^^^^^^ help: consider using `_curr_addr` instead
Dec 19 10:08:31.878 INFO [stderr] 
Dec 19 10:08:31.878 INFO [stderr] warning: value assigned to `curr_addr` is never read
Dec 19 10:08:31.878 INFO [stderr]    --> src/main.rs:100:5
Dec 19 10:08:31.878 INFO [stderr]     |
Dec 19 10:08:31.878 INFO [stderr] 100 |     curr_addr = mips::START_ADDR;
Dec 19 10:08:31.878 INFO [stderr]     |     ^^^^^^^^^
Dec 19 10:08:31.878 INFO [stderr]     |
Dec 19 10:08:31.878 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 10:08:31.878 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 10:08:31.878 INFO [stderr] 
Dec 19 10:08:31.878 INFO [stderr] warning: unused variable: `curr_addr`
Dec 19 10:08:31.878 INFO [stderr]    --> src/mips/data.rs:398:27
Dec 19 10:08:31.878 INFO [stderr]     |
Dec 19 10:08:31.878 INFO [stderr] 398 |     fn branch_addr(&self, curr_addr: u32) -> u32
Dec 19 10:08:31.878 INFO [stderr]     |                           ^^^^^^^^^ help: consider using `_curr_addr` instead
Dec 19 10:08:31.878 INFO [stderr]     |
Dec 19 10:08:31.878 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 10:08:31.878 INFO [stderr] 
Dec 19 10:08:31.878 INFO [stderr] warning: unused variable: `curr_addr`
Dec 19 10:08:31.878 INFO [stderr]    --> src/mips/data.rs:419:27
Dec 19 10:08:31.878 INFO [stderr]     |
Dec 19 10:08:31.878 INFO [stderr] 419 |     fn branch_addr(&self, curr_addr: u32) -> u32
Dec 19 10:08:31.878 INFO [stderr]     |                           ^^^^^^^^^ help: consider using `_curr_addr` instead
Dec 19 10:08:31.878 INFO [stderr] 
Dec 19 10:08:31.900 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:08:31.900 INFO [stderr]  --> src/mips/print.rs:9:9
Dec 19 10:08:31.900 INFO [stderr]   |
Dec 19 10:08:31.900 INFO [stderr] 9 |         write!(f, "[0x{:08x}] 0x{:08x} {}\n", curr_addr, code, instr);
Dec 19 10:08:31.900 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:08:31.900 INFO [stderr]   |
Dec 19 10:08:31.900 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 10:08:31.900 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:08:31.900 INFO [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 10:08:31.900 INFO [stderr] 
Dec 19 10:08:31.900 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:08:31.900 INFO [stderr]   --> src/mips/print.rs:12:5
Dec 19 10:08:31.900 INFO [stderr]    |
Dec 19 10:08:31.900 INFO [stderr] 12 |     write!(f, "\n");
Dec 19 10:08:31.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 10:08:31.901 INFO [stderr]    |
Dec 19 10:08:31.901 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:08:31.901 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 10:08:31.901 INFO [stderr] 
Dec 19 10:08:31.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:08:31.901 INFO [stderr]  --> src/mips/print.rs:9:9
Dec 19 10:08:31.901 INFO [stderr]   |
Dec 19 10:08:31.901 INFO [stderr] 9 |         write!(f, "[0x{:08x}] 0x{:08x} {}\n", curr_addr, code, instr);
Dec 19 10:08:31.901 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:08:31.901 INFO [stderr]   |
Dec 19 10:08:31.901 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 10:08:31.901 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:08:31.901 INFO [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 10:08:31.901 INFO [stderr] 
Dec 19 10:08:31.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:08:31.901 INFO [stderr]   --> src/mips/print.rs:12:5
Dec 19 10:08:31.901 INFO [stderr]    |
Dec 19 10:08:31.901 INFO [stderr] 12 |     write!(f, "\n");
Dec 19 10:08:31.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 10:08:31.901 INFO [stderr]    |
Dec 19 10:08:31.901 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:08:31.901 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 10:08:31.901 INFO [stderr] 
Dec 19 10:08:31.921 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 19 10:08:32.422 INFO running `"docker" "inspect" "7685b025bbdb0369f2132d7ef8eac8bd6b731c4336304c5b92ec73868bcd5c66"`
Dec 19 10:08:32.692 INFO running `"docker" "rm" "-f" "7685b025bbdb0369f2132d7ef8eac8bd6b731c4336304c5b92ec73868bcd5c66"`
Dec 19 10:08:32.944 INFO [stdout] 7685b025bbdb0369f2132d7ef8eac8bd6b731c4336304c5b92ec73868bcd5c66