Oct 12 17:04:49.704 INFO checking mratsim/bndump against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:04:49.706 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:04:50.092 INFO blam! c836d6e19d6a73d1d3b930c5eebf86f27a5d9d4ba60a2bbe6be99a845a1e6651
Oct 12 17:04:50.094 INFO running `"docker" "start" "-a" "c836d6e19d6a73d1d3b930c5eebf86f27a5d9d4ba60a2bbe6be99a845a1e6651"`
Oct 12 17:04:51.903 INFO kablam! usermod: no changes
Oct 12 17:04:52.016 INFO kablam!     Checking bndump v0.1.0 (/source)
Oct 12 17:04:52.516 INFO kablam! warning: unused import: `Encodable`
Oct 12 17:04:52.516 INFO kablam!  --> src/main.rs:6:29
Oct 12 17:04:52.516 INFO kablam!   |
Oct 12 17:04:52.516 INFO kablam! 6 | use rustc_serialize::{json, Encodable};
Oct 12 17:04:52.516 INFO kablam!   |                             ^^^^^^^^^
Oct 12 17:04:52.516 INFO kablam!   |
Oct 12 17:04:52.528 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:04:52.528 INFO kablam! 
Oct 12 17:04:52.851 INFO kablam! warning: unused import: `Encodable`
Oct 12 17:04:52.851 INFO kablam!  --> src/main.rs:6:29
Oct 12 17:04:52.851 INFO kablam!   |
Oct 12 17:04:52.851 INFO kablam! 6 | use rustc_serialize::{json, Encodable};
Oct 12 17:04:52.851 INFO kablam!   |                             ^^^^^^^^^
Oct 12 17:04:52.851 INFO kablam!   |
Oct 12 17:04:52.851 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:04:52.851 INFO kablam! 
Oct 12 17:04:53.026 INFO kablam! warning: unused variable: `buf`
Oct 12 17:04:53.026 INFO kablam!   --> src/main.rs:12:13
Oct 12 17:04:53.026 INFO kablam!    |
Oct 12 17:04:53.026 INFO kablam! 12 |     let mut buf = [0u8; (8 * 8)];
Oct 12 17:04:53.026 INFO kablam!    |             ^^^ help: consider using `_buf` instead
Oct 12 17:04:53.026 INFO kablam!    |
Oct 12 17:04:53.026 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 17:04:53.026 INFO kablam! 
Oct 12 17:04:53.036 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:04:53.036 INFO kablam!   --> src/main.rs:12:9
Oct 12 17:04:53.036 INFO kablam!    |
Oct 12 17:04:53.036 INFO kablam! 12 |     let mut buf = [0u8; (8 * 8)];
Oct 12 17:04:53.036 INFO kablam!    |         ----^^^
Oct 12 17:04:53.036 INFO kablam!    |         |
Oct 12 17:04:53.036 INFO kablam!    |         help: remove this `mut`
Oct 12 17:04:53.036 INFO kablam!    |
Oct 12 17:04:53.036 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:04:53.036 INFO kablam! 
Oct 12 17:04:53.166 INFO kablam! warning: method is never used: `one`
Oct 12 17:04:53.166 INFO kablam!    --> src/arith.rs:192:5
Oct 12 17:04:53.166 INFO kablam!     |
Oct 12 17:04:53.166 INFO kablam! 192 |     pub fn one() -> U256 {
Oct 12 17:04:53.166 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.166 INFO kablam!     |
Oct 12 17:04:53.168 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 17:04:53.168 INFO kablam! 
Oct 12 17:04:53.168 INFO kablam! warning: method is never used: `is_zero`
Oct 12 17:04:53.168 INFO kablam!    --> src/arith.rs:202:5
Oct 12 17:04:53.168 INFO kablam!     |
Oct 12 17:04:53.168 INFO kablam! 202 |     pub fn is_zero(&self) -> bool {
Oct 12 17:04:53.168 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.168 INFO kablam! 
Oct 12 17:04:53.168 INFO kablam! warning: method is never used: `add`
Oct 12 17:04:53.168 INFO kablam!    --> src/arith.rs:240:5
Oct 12 17:04:53.168 INFO kablam!     |
Oct 12 17:04:53.168 INFO kablam! 240 |     pub fn add(&mut self, other: &U256, modulo: &U256) {
Oct 12 17:04:53.168 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.168 INFO kablam! 
Oct 12 17:04:53.168 INFO kablam! warning: method is never used: `sub`
Oct 12 17:04:53.168 INFO kablam!    --> src/arith.rs:249:5
Oct 12 17:04:53.168 INFO kablam!     |
Oct 12 17:04:53.168 INFO kablam! 249 |     pub fn sub(&mut self, other: &U256, modulo: &U256) {
Oct 12 17:04:53.168 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.168 INFO kablam! 
Oct 12 17:04:53.168 INFO kablam! warning: method is never used: `mul`
Oct 12 17:04:53.168 INFO kablam!    --> src/arith.rs:259:5
Oct 12 17:04:53.168 INFO kablam!     |
Oct 12 17:04:53.168 INFO kablam! 259 |     pub fn mul(&mut self, other: &U256, modulo: &U256, inv: u64) {
Oct 12 17:04:53.168 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.168 INFO kablam! 
Oct 12 17:04:53.168 INFO kablam! warning: method is never used: `neg`
Oct 12 17:04:53.168 INFO kablam!    --> src/arith.rs:268:5
Oct 12 17:04:53.168 INFO kablam!     |
Oct 12 17:04:53.168 INFO kablam! 268 |     pub fn neg(&mut self, modulo: &U256) {
Oct 12 17:04:53.169 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.169 INFO kablam! 
Oct 12 17:04:53.169 INFO kablam! warning: method is never used: `is_even`
Oct 12 17:04:53.169 INFO kablam!    --> src/arith.rs:278:5
Oct 12 17:04:53.169 INFO kablam!     |
Oct 12 17:04:53.169 INFO kablam! 278 |     pub fn is_even(&self) -> bool {
Oct 12 17:04:53.169 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.169 INFO kablam! 
Oct 12 17:04:53.169 INFO kablam! warning: method is never used: `invert`
Oct 12 17:04:53.169 INFO kablam!    --> src/arith.rs:283:5
Oct 12 17:04:53.169 INFO kablam!     |
Oct 12 17:04:53.169 INFO kablam! 283 |     pub fn invert(&mut self, modulo: &U256) {
Oct 12 17:04:53.169 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.169 INFO kablam! 
Oct 12 17:04:53.169 INFO kablam! warning: method is never used: `bits`
Oct 12 17:04:53.169 INFO kablam!    --> src/arith.rs:333:5
Oct 12 17:04:53.169 INFO kablam!     |
Oct 12 17:04:53.169 INFO kablam! 333 |     pub fn bits(&self) -> BitIterator {
Oct 12 17:04:53.169 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.169 INFO kablam! 
Oct 12 17:04:53.169 INFO kablam! warning: struct is never constructed: `BitIterator`
Oct 12 17:04:53.169 INFO kablam!    --> src/arith.rs:341:1
Oct 12 17:04:53.169 INFO kablam!     |
Oct 12 17:04:53.169 INFO kablam! 341 | pub struct BitIterator<'a> {
Oct 12 17:04:53.169 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.169 INFO kablam! 
Oct 12 17:04:53.169 INFO kablam! warning: function is never used: `div2`
Oct 12 17:04:53.169 INFO kablam!    --> src/arith.rs:363:1
Oct 12 17:04:53.169 INFO kablam!     |
Oct 12 17:04:53.169 INFO kablam! 363 | fn div2(a: &mut [u64; 4]) {
Oct 12 17:04:53.169 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.169 INFO kablam! 
Oct 12 17:04:53.169 INFO kablam! warning: function is never used: `add_nocarry`
Oct 12 17:04:53.169 INFO kablam!    --> src/arith.rs:410:1
Oct 12 17:04:53.169 INFO kablam!     |
Oct 12 17:04:53.169 INFO kablam! 410 | fn add_nocarry(a: &mut [u64; 4], b: &[u64; 4]) {
Oct 12 17:04:53.169 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.169 INFO kablam! 
Oct 12 17:04:53.169 INFO kablam! warning: function is never used: `mul_reduce`
Oct 12 17:04:53.169 INFO kablam!    --> src/arith.rs:483:1
Oct 12 17:04:53.169 INFO kablam!     |
Oct 12 17:04:53.169 INFO kablam! 483 | / fn mul_reduce(
Oct 12 17:04:53.169 INFO kablam! 484 | |     this: &mut [u64; 4],
Oct 12 17:04:53.169 INFO kablam! 485 | |     by: &[u64; 4],
Oct 12 17:04:53.169 INFO kablam! 486 | |     modulus: &[u64; 4],
Oct 12 17:04:53.169 INFO kablam! ...   |
Oct 12 17:04:53.169 INFO kablam! 504 | |     this.copy_from_slice(&res[4..]);
Oct 12 17:04:53.169 INFO kablam! 505 | | }
Oct 12 17:04:53.169 INFO kablam!     | |_^
Oct 12 17:04:53.169 INFO kablam! 
Oct 12 17:04:53.391 INFO kablam! warning: unused variable: `buf`
Oct 12 17:04:53.391 INFO kablam!   --> src/main.rs:12:13
Oct 12 17:04:53.391 INFO kablam!    |
Oct 12 17:04:53.392 INFO kablam! 12 |     let mut buf = [0u8; (8 * 8)];
Oct 12 17:04:53.392 INFO kablam!    |             ^^^ help: consider using `_buf` instead
Oct 12 17:04:53.392 INFO kablam!    |
Oct 12 17:04:53.393 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 17:04:53.393 INFO kablam! 
Oct 12 17:04:53.395 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:04:53.396 INFO kablam!   --> src/main.rs:12:9
Oct 12 17:04:53.396 INFO kablam!    |
Oct 12 17:04:53.396 INFO kablam! 12 |     let mut buf = [0u8; (8 * 8)];
Oct 12 17:04:53.397 INFO kablam!    |         ----^^^
Oct 12 17:04:53.397 INFO kablam!    |         |
Oct 12 17:04:53.397 INFO kablam!    |         help: remove this `mut`
Oct 12 17:04:53.397 INFO kablam!    |
Oct 12 17:04:53.398 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:04:53.398 INFO kablam! 
Oct 12 17:04:53.487 INFO kablam! warning: method is never used: `is_zero`
Oct 12 17:04:53.487 INFO kablam!    --> src/arith.rs:202:5
Oct 12 17:04:53.487 INFO kablam!     |
Oct 12 17:04:53.487 INFO kablam! 202 |     pub fn is_zero(&self) -> bool {
Oct 12 17:04:53.487 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.487 INFO kablam!     |
Oct 12 17:04:53.487 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 17:04:53.487 INFO kablam! 
Oct 12 17:04:53.487 INFO kablam! warning: method is never used: `add`
Oct 12 17:04:53.487 INFO kablam!    --> src/arith.rs:240:5
Oct 12 17:04:53.487 INFO kablam!     |
Oct 12 17:04:53.487 INFO kablam! 240 |     pub fn add(&mut self, other: &U256, modulo: &U256) {
Oct 12 17:04:53.488 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.488 INFO kablam! 
Oct 12 17:04:53.488 INFO kablam! warning: method is never used: `sub`
Oct 12 17:04:53.488 INFO kablam!    --> src/arith.rs:249:5
Oct 12 17:04:53.488 INFO kablam!     |
Oct 12 17:04:53.488 INFO kablam! 249 |     pub fn sub(&mut self, other: &U256, modulo: &U256) {
Oct 12 17:04:53.488 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.488 INFO kablam! 
Oct 12 17:04:53.488 INFO kablam! warning: method is never used: `mul`
Oct 12 17:04:53.488 INFO kablam!    --> src/arith.rs:259:5
Oct 12 17:04:53.488 INFO kablam!     |
Oct 12 17:04:53.488 INFO kablam! 259 |     pub fn mul(&mut self, other: &U256, modulo: &U256, inv: u64) {
Oct 12 17:04:53.488 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.488 INFO kablam! 
Oct 12 17:04:53.488 INFO kablam! warning: method is never used: `neg`
Oct 12 17:04:53.488 INFO kablam!    --> src/arith.rs:268:5
Oct 12 17:04:53.488 INFO kablam!     |
Oct 12 17:04:53.488 INFO kablam! 268 |     pub fn neg(&mut self, modulo: &U256) {
Oct 12 17:04:53.488 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.488 INFO kablam! 
Oct 12 17:04:53.488 INFO kablam! warning: method is never used: `is_even`
Oct 12 17:04:53.488 INFO kablam!    --> src/arith.rs:278:5
Oct 12 17:04:53.488 INFO kablam!     |
Oct 12 17:04:53.488 INFO kablam! 278 |     pub fn is_even(&self) -> bool {
Oct 12 17:04:53.488 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.488 INFO kablam! 
Oct 12 17:04:53.488 INFO kablam! warning: method is never used: `invert`
Oct 12 17:04:53.488 INFO kablam!    --> src/arith.rs:283:5
Oct 12 17:04:53.488 INFO kablam!     |
Oct 12 17:04:53.488 INFO kablam! 283 |     pub fn invert(&mut self, modulo: &U256) {
Oct 12 17:04:53.488 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.488 INFO kablam! 
Oct 12 17:04:53.489 INFO kablam! warning: function is never used: `div2`
Oct 12 17:04:53.489 INFO kablam!    --> src/arith.rs:363:1
Oct 12 17:04:53.489 INFO kablam!     |
Oct 12 17:04:53.489 INFO kablam! 363 | fn div2(a: &mut [u64; 4]) {
Oct 12 17:04:53.489 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.489 INFO kablam! 
Oct 12 17:04:53.489 INFO kablam! warning: function is never used: `add_nocarry`
Oct 12 17:04:53.489 INFO kablam!    --> src/arith.rs:410:1
Oct 12 17:04:53.489 INFO kablam!     |
Oct 12 17:04:53.489 INFO kablam! 410 | fn add_nocarry(a: &mut [u64; 4], b: &[u64; 4]) {
Oct 12 17:04:53.489 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:04:53.489 INFO kablam! 
Oct 12 17:04:53.489 INFO kablam! warning: function is never used: `mul_reduce`
Oct 12 17:04:53.489 INFO kablam!    --> src/arith.rs:483:1
Oct 12 17:04:53.489 INFO kablam!     |
Oct 12 17:04:53.489 INFO kablam! 483 | / fn mul_reduce(
Oct 12 17:04:53.489 INFO kablam! 484 | |     this: &mut [u64; 4],
Oct 12 17:04:53.489 INFO kablam! 485 | |     by: &[u64; 4],
Oct 12 17:04:53.489 INFO kablam! 486 | |     modulus: &[u64; 4],
Oct 12 17:04:53.489 INFO kablam! ...   |
Oct 12 17:04:53.489 INFO kablam! 504 | |     this.copy_from_slice(&res[4..]);
Oct 12 17:04:53.489 INFO kablam! 505 | | }
Oct 12 17:04:53.489 INFO kablam!     | |_^
Oct 12 17:04:53.489 INFO kablam! 
Oct 12 17:04:53.586 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Oct 12 17:04:53.588 INFO kablam! su: No module specific data is present
Oct 12 17:04:54.910 INFO running `"docker" "rm" "-f" "c836d6e19d6a73d1d3b930c5eebf86f27a5d9d4ba60a2bbe6be99a845a1e6651"`
Oct 12 17:04:55.164 INFO blam! c836d6e19d6a73d1d3b930c5eebf86f27a5d9d4ba60a2bbe6be99a845a1e6651