Dec 11 10:59:17.486 INFO checking rjmholt/mips-disasm-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 10:59:17.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 10:59:17.992 INFO [stdout] f93f98edd701df9e2886661d82d4318be5b3955f64874e0ec7c078e7e8762dc3
Dec 11 10:59:17.994 INFO running `"docker" "start" "-a" "f93f98edd701df9e2886661d82d4318be5b3955f64874e0ec7c078e7e8762dc3"`
Dec 11 10:59:19.665 INFO [stderr] usermod: no changes
Dec 11 10:59:19.712 INFO [stderr]     Checking mips v0.1.0 (/source)
Dec 11 10:59:20.052 INFO [stderr] warning: unused import: `std`
Dec 11 10:59:20.052 INFO [stderr]  --> src/mips/read.rs:1:5
Dec 11 10:59:20.052 INFO [stderr]   |
Dec 11 10:59:20.052 INFO [stderr] 1 | use std;
Dec 11 10:59:20.052 INFO [stderr]   |     ^^^
Dec 11 10:59:20.052 INFO [stderr]   |
Dec 11 10:59:20.052 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:59:20.052 INFO [stderr] 
Dec 11 10:59:20.052 INFO [stderr] warning: unused import: `std::fmt::Error`
Dec 11 10:59:20.052 INFO [stderr]  --> src/mips/read.rs:3:5
Dec 11 10:59:20.052 INFO [stderr]   |
Dec 11 10:59:20.052 INFO [stderr] 3 | use std::fmt::Error;
Dec 11 10:59:20.052 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 10:59:20.052 INFO [stderr] 
Dec 11 10:59:20.108 INFO [stderr] warning: unused import: `std`
Dec 11 10:59:20.108 INFO [stderr]  --> src/mips/read.rs:1:5
Dec 11 10:59:20.108 INFO [stderr]   |
Dec 11 10:59:20.108 INFO [stderr] 1 | use std;
Dec 11 10:59:20.108 INFO [stderr]   |     ^^^
Dec 11 10:59:20.108 INFO [stderr]   |
Dec 11 10:59:20.108 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:59:20.108 INFO [stderr] 
Dec 11 10:59:20.108 INFO [stderr] warning: unused import: `std::fmt::Error`
Dec 11 10:59:20.108 INFO [stderr]  --> src/mips/read.rs:3:5
Dec 11 10:59:20.108 INFO [stderr]   |
Dec 11 10:59:20.108 INFO [stderr] 3 | use std::fmt::Error;
Dec 11 10:59:20.108 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 10:59:20.108 INFO [stderr] 
Dec 11 10:59:20.236 INFO [stderr] warning: value assigned to `curr_addr` is never read
Dec 11 10:59:20.236 INFO [stderr]    --> src/main.rs:100:5
Dec 11 10:59:20.236 INFO [stderr]     |
Dec 11 10:59:20.236 INFO [stderr] 100 |     curr_addr = mips::START_ADDR;
Dec 11 10:59:20.236 INFO [stderr]     |     ^^^^^^^^^
Dec 11 10:59:20.236 INFO [stderr]     |
Dec 11 10:59:20.236 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 11 10:59:20.236 INFO [stderr] 
Dec 11 10:59:20.236 INFO [stderr] warning: unused variable: `curr_addr`
Dec 11 10:59:20.236 INFO [stderr]    --> src/mips/data.rs:398:27
Dec 11 10:59:20.236 INFO [stderr]     |
Dec 11 10:59:20.236 INFO [stderr] 398 |     fn branch_addr(&self, curr_addr: u32) -> u32
Dec 11 10:59:20.236 INFO [stderr]     |                           ^^^^^^^^^ help: consider using `_curr_addr` instead
Dec 11 10:59:20.236 INFO [stderr]     |
Dec 11 10:59:20.236 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 10:59:20.236 INFO [stderr] 
Dec 11 10:59:20.236 INFO [stderr] warning: unused variable: `curr_addr`
Dec 11 10:59:20.236 INFO [stderr]    --> src/mips/data.rs:419:27
Dec 11 10:59:20.236 INFO [stderr]     |
Dec 11 10:59:20.236 INFO [stderr] 419 |     fn branch_addr(&self, curr_addr: u32) -> u32
Dec 11 10:59:20.236 INFO [stderr]     |                           ^^^^^^^^^ help: consider using `_curr_addr` instead
Dec 11 10:59:20.236 INFO [stderr] 
Dec 11 10:59:20.309 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:59:20.309 INFO [stderr]  --> src/mips/print.rs:9:9
Dec 11 10:59:20.309 INFO [stderr]   |
Dec 11 10:59:20.309 INFO [stderr] 9 |         write!(f, "[0x{:08x}] 0x{:08x} {}\n", curr_addr, code, instr);
Dec 11 10:59:20.309 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:59:20.309 INFO [stderr]   |
Dec 11 10:59:20.309 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 11 10:59:20.309 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:59:20.309 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 11 10:59:20.309 INFO [stderr] 
Dec 11 10:59:20.309 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:59:20.309 INFO [stderr]   --> src/mips/print.rs:12:5
Dec 11 10:59:20.309 INFO [stderr]    |
Dec 11 10:59:20.309 INFO [stderr] 12 |     write!(f, "\n");
Dec 11 10:59:20.309 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 11 10:59:20.309 INFO [stderr]    |
Dec 11 10:59:20.309 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:59:20.309 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 11 10:59:20.309 INFO [stderr] 
Dec 11 10:59:20.309 INFO [stderr] warning: value assigned to `curr_addr` is never read
Dec 11 10:59:20.309 INFO [stderr]    --> src/main.rs:100:5
Dec 11 10:59:20.309 INFO [stderr]     |
Dec 11 10:59:20.309 INFO [stderr] 100 |     curr_addr = mips::START_ADDR;
Dec 11 10:59:20.309 INFO [stderr]     |     ^^^^^^^^^
Dec 11 10:59:20.309 INFO [stderr]     |
Dec 11 10:59:20.309 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 11 10:59:20.309 INFO [stderr] 
Dec 11 10:59:20.309 INFO [stderr] warning: unused variable: `curr_addr`
Dec 11 10:59:20.309 INFO [stderr]    --> src/mips/data.rs:398:27
Dec 11 10:59:20.309 INFO [stderr]     |
Dec 11 10:59:20.309 INFO [stderr] 398 |     fn branch_addr(&self, curr_addr: u32) -> u32
Dec 11 10:59:20.309 INFO [stderr]     |                           ^^^^^^^^^ help: consider using `_curr_addr` instead
Dec 11 10:59:20.309 INFO [stderr]     |
Dec 11 10:59:20.309 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 10:59:20.309 INFO [stderr] 
Dec 11 10:59:20.309 INFO [stderr] warning: unused variable: `curr_addr`
Dec 11 10:59:20.309 INFO [stderr]    --> src/mips/data.rs:419:27
Dec 11 10:59:20.309 INFO [stderr]     |
Dec 11 10:59:20.309 INFO [stderr] 419 |     fn branch_addr(&self, curr_addr: u32) -> u32
Dec 11 10:59:20.309 INFO [stderr]     |                           ^^^^^^^^^ help: consider using `_curr_addr` instead
Dec 11 10:59:20.309 INFO [stderr] 
Dec 11 10:59:20.395 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:59:20.395 INFO [stderr]  --> src/mips/print.rs:9:9
Dec 11 10:59:20.395 INFO [stderr]   |
Dec 11 10:59:20.395 INFO [stderr] 9 |         write!(f, "[0x{:08x}] 0x{:08x} {}\n", curr_addr, code, instr);
Dec 11 10:59:20.395 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:59:20.395 INFO [stderr]   |
Dec 11 10:59:20.395 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 11 10:59:20.395 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:59:20.395 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 11 10:59:20.395 INFO [stderr] 
Dec 11 10:59:20.395 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:59:20.395 INFO [stderr]   --> src/mips/print.rs:12:5
Dec 11 10:59:20.395 INFO [stderr]    |
Dec 11 10:59:20.395 INFO [stderr] 12 |     write!(f, "\n");
Dec 11 10:59:20.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 11 10:59:20.395 INFO [stderr]    |
Dec 11 10:59:20.395 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:59:20.395 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 11 10:59:20.395 INFO [stderr] 
Dec 11 10:59:20.418 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 11 10:59:20.422 INFO [stderr] su: No module specific data is present
Dec 11 10:59:21.237 INFO running `"docker" "inspect" "f93f98edd701df9e2886661d82d4318be5b3955f64874e0ec7c078e7e8762dc3"`
Dec 11 10:59:21.516 INFO running `"docker" "rm" "-f" "f93f98edd701df9e2886661d82d4318be5b3955f64874e0ec7c078e7e8762dc3"`
Dec 11 10:59:21.805 INFO [stdout] f93f98edd701df9e2886661d82d4318be5b3955f64874e0ec7c078e7e8762dc3