Nov 29 21:56:46.623 INFO checking mratsim/bndump against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 21:56:46.623 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 21:56:47.178 INFO [stdout] 4a2a47c84312c4aee1ee4ebd73aa65c51e394858c3fd6ca81bee9d0d9aed487d
Nov 29 21:56:47.182 INFO running `"docker" "start" "-a" "4a2a47c84312c4aee1ee4ebd73aa65c51e394858c3fd6ca81bee9d0d9aed487d"`
Nov 29 21:56:48.803 INFO [stderr] usermod: no changes
Nov 29 21:56:48.904 INFO [stderr]     Checking bndump v0.1.0 (/source)
Nov 29 21:56:49.712 INFO [stderr] warning: unused import: `Encodable`
Nov 29 21:56:49.712 INFO [stderr]  --> src/main.rs:6:29
Nov 29 21:56:49.712 INFO [stderr]   |
Nov 29 21:56:49.712 INFO [stderr] 6 | use rustc_serialize::{json, Encodable};
Nov 29 21:56:49.712 INFO [stderr]   |                             ^^^^^^^^^
Nov 29 21:56:49.712 INFO [stderr]   |
Nov 29 21:56:49.712 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:56:49.712 INFO [stderr] 
Nov 29 21:56:49.784 INFO [stderr] warning: unused import: `Encodable`
Nov 29 21:56:49.784 INFO [stderr]  --> src/main.rs:6:29
Nov 29 21:56:49.784 INFO [stderr]   |
Nov 29 21:56:49.784 INFO [stderr] 6 | use rustc_serialize::{json, Encodable};
Nov 29 21:56:49.784 INFO [stderr]   |                             ^^^^^^^^^
Nov 29 21:56:49.784 INFO [stderr]   |
Nov 29 21:56:49.784 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:56:49.784 INFO [stderr] 
Nov 29 21:56:50.264 INFO [stderr] warning: unused variable: `buf`
Nov 29 21:56:50.264 INFO [stderr]   --> src/main.rs:12:13
Nov 29 21:56:50.264 INFO [stderr]    |
Nov 29 21:56:50.264 INFO [stderr] 12 |     let mut buf = [0u8; (8 * 8)];
Nov 29 21:56:50.264 INFO [stderr]    |             ^^^ help: consider using `_buf` instead
Nov 29 21:56:50.264 INFO [stderr]    |
Nov 29 21:56:50.264 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 21:56:50.264 INFO [stderr] 
Nov 29 21:56:50.268 INFO [stderr] warning: variable does not need to be mutable
Nov 29 21:56:50.268 INFO [stderr]   --> src/main.rs:12:9
Nov 29 21:56:50.268 INFO [stderr]    |
Nov 29 21:56:50.268 INFO [stderr] 12 |     let mut buf = [0u8; (8 * 8)];
Nov 29 21:56:50.268 INFO [stderr]    |         ----^^^
Nov 29 21:56:50.268 INFO [stderr]    |         |
Nov 29 21:56:50.268 INFO [stderr]    |         help: remove this `mut`
Nov 29 21:56:50.268 INFO [stderr]    |
Nov 29 21:56:50.268 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 21:56:50.268 INFO [stderr] 
Nov 29 21:56:50.356 INFO [stderr] warning: method is never used: `one`
Nov 29 21:56:50.356 INFO [stderr]    --> src/arith.rs:192:5
Nov 29 21:56:50.356 INFO [stderr]     |
Nov 29 21:56:50.356 INFO [stderr] 192 |     pub fn one() -> U256 {
Nov 29 21:56:50.356 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.380 INFO [stderr]     |
Nov 29 21:56:50.380 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 21:56:50.380 INFO [stderr] 
Nov 29 21:56:50.380 INFO [stderr] warning: method is never used: `is_zero`
Nov 29 21:56:50.380 INFO [stderr]    --> src/arith.rs:202:5
Nov 29 21:56:50.380 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 202 |     pub fn is_zero(&self) -> bool {
Nov 29 21:56:50.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: method is never used: `add`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:240:5
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 240 |     pub fn add(&mut self, other: &U256, modulo: &U256) {
Nov 29 21:56:50.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: method is never used: `sub`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:249:5
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 249 |     pub fn sub(&mut self, other: &U256, modulo: &U256) {
Nov 29 21:56:50.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: method is never used: `mul`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:259:5
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 259 |     pub fn mul(&mut self, other: &U256, modulo: &U256, inv: u64) {
Nov 29 21:56:50.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: method is never used: `neg`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:268:5
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 268 |     pub fn neg(&mut self, modulo: &U256) {
Nov 29 21:56:50.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: method is never used: `is_even`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:278:5
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 278 |     pub fn is_even(&self) -> bool {
Nov 29 21:56:50.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: method is never used: `invert`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:283:5
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 283 |     pub fn invert(&mut self, modulo: &U256) {
Nov 29 21:56:50.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: method is never used: `bits`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:333:5
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 333 |     pub fn bits(&self) -> BitIterator {
Nov 29 21:56:50.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: struct is never constructed: `BitIterator`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:341:1
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 341 | pub struct BitIterator<'a> {
Nov 29 21:56:50.381 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: function is never used: `div2`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:363:1
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 363 | fn div2(a: &mut [u64; 4]) {
Nov 29 21:56:50.381 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: function is never used: `add_nocarry`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:410:1
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 410 | fn add_nocarry(a: &mut [u64; 4], b: &[u64; 4]) {
Nov 29 21:56:50.381 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.381 INFO [stderr] warning: function is never used: `mul_reduce`
Nov 29 21:56:50.381 INFO [stderr]    --> src/arith.rs:483:1
Nov 29 21:56:50.381 INFO [stderr]     |
Nov 29 21:56:50.381 INFO [stderr] 483 | / fn mul_reduce(
Nov 29 21:56:50.381 INFO [stderr] 484 | |     this: &mut [u64; 4],
Nov 29 21:56:50.381 INFO [stderr] 485 | |     by: &[u64; 4],
Nov 29 21:56:50.381 INFO [stderr] 486 | |     modulus: &[u64; 4],
Nov 29 21:56:50.381 INFO [stderr] ...   |
Nov 29 21:56:50.381 INFO [stderr] 504 | |     this.copy_from_slice(&res[4..]);
Nov 29 21:56:50.381 INFO [stderr] 505 | | }
Nov 29 21:56:50.381 INFO [stderr]     | |_^
Nov 29 21:56:50.381 INFO [stderr] 
Nov 29 21:56:50.396 INFO [stderr] warning: unused variable: `buf`
Nov 29 21:56:50.396 INFO [stderr]   --> src/main.rs:12:13
Nov 29 21:56:50.396 INFO [stderr]    |
Nov 29 21:56:50.396 INFO [stderr] 12 |     let mut buf = [0u8; (8 * 8)];
Nov 29 21:56:50.396 INFO [stderr]    |             ^^^ help: consider using `_buf` instead
Nov 29 21:56:50.396 INFO [stderr]    |
Nov 29 21:56:50.396 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 21:56:50.396 INFO [stderr] 
Nov 29 21:56:50.396 INFO [stderr] warning: variable does not need to be mutable
Nov 29 21:56:50.396 INFO [stderr]   --> src/main.rs:12:9
Nov 29 21:56:50.396 INFO [stderr]    |
Nov 29 21:56:50.396 INFO [stderr] 12 |     let mut buf = [0u8; (8 * 8)];
Nov 29 21:56:50.396 INFO [stderr]    |         ----^^^
Nov 29 21:56:50.396 INFO [stderr]    |         |
Nov 29 21:56:50.396 INFO [stderr]    |         help: remove this `mut`
Nov 29 21:56:50.396 INFO [stderr]    |
Nov 29 21:56:50.396 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 21:56:50.396 INFO [stderr] 
Nov 29 21:56:50.470 INFO [stderr] warning: method is never used: `is_zero`
Nov 29 21:56:50.470 INFO [stderr]    --> src/arith.rs:202:5
Nov 29 21:56:50.470 INFO [stderr]     |
Nov 29 21:56:50.470 INFO [stderr] 202 |     pub fn is_zero(&self) -> bool {
Nov 29 21:56:50.470 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.470 INFO [stderr]     |
Nov 29 21:56:50.470 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 21:56:50.470 INFO [stderr] 
Nov 29 21:56:50.470 INFO [stderr] warning: method is never used: `add`
Nov 29 21:56:50.470 INFO [stderr]    --> src/arith.rs:240:5
Nov 29 21:56:50.470 INFO [stderr]     |
Nov 29 21:56:50.470 INFO [stderr] 240 |     pub fn add(&mut self, other: &U256, modulo: &U256) {
Nov 29 21:56:50.470 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.470 INFO [stderr] 
Nov 29 21:56:50.470 INFO [stderr] warning: method is never used: `sub`
Nov 29 21:56:50.470 INFO [stderr]    --> src/arith.rs:249:5
Nov 29 21:56:50.470 INFO [stderr]     |
Nov 29 21:56:50.470 INFO [stderr] 249 |     pub fn sub(&mut self, other: &U256, modulo: &U256) {
Nov 29 21:56:50.470 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.470 INFO [stderr] 
Nov 29 21:56:50.470 INFO [stderr] warning: method is never used: `mul`
Nov 29 21:56:50.470 INFO [stderr]    --> src/arith.rs:259:5
Nov 29 21:56:50.470 INFO [stderr]     |
Nov 29 21:56:50.470 INFO [stderr] 259 |     pub fn mul(&mut self, other: &U256, modulo: &U256, inv: u64) {
Nov 29 21:56:50.470 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.470 INFO [stderr] 
Nov 29 21:56:50.470 INFO [stderr] warning: method is never used: `neg`
Nov 29 21:56:50.471 INFO [stderr]    --> src/arith.rs:268:5
Nov 29 21:56:50.471 INFO [stderr]     |
Nov 29 21:56:50.471 INFO [stderr] 268 |     pub fn neg(&mut self, modulo: &U256) {
Nov 29 21:56:50.471 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.471 INFO [stderr] 
Nov 29 21:56:50.471 INFO [stderr] warning: method is never used: `is_even`
Nov 29 21:56:50.471 INFO [stderr]    --> src/arith.rs:278:5
Nov 29 21:56:50.471 INFO [stderr]     |
Nov 29 21:56:50.471 INFO [stderr] 278 |     pub fn is_even(&self) -> bool {
Nov 29 21:56:50.471 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.471 INFO [stderr] 
Nov 29 21:56:50.471 INFO [stderr] warning: method is never used: `invert`
Nov 29 21:56:50.471 INFO [stderr]    --> src/arith.rs:283:5
Nov 29 21:56:50.471 INFO [stderr]     |
Nov 29 21:56:50.471 INFO [stderr] 283 |     pub fn invert(&mut self, modulo: &U256) {
Nov 29 21:56:50.471 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.471 INFO [stderr] 
Nov 29 21:56:50.471 INFO [stderr] warning: function is never used: `div2`
Nov 29 21:56:50.471 INFO [stderr]    --> src/arith.rs:363:1
Nov 29 21:56:50.471 INFO [stderr]     |
Nov 29 21:56:50.471 INFO [stderr] 363 | fn div2(a: &mut [u64; 4]) {
Nov 29 21:56:50.471 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.471 INFO [stderr] 
Nov 29 21:56:50.471 INFO [stderr] warning: function is never used: `add_nocarry`
Nov 29 21:56:50.471 INFO [stderr]    --> src/arith.rs:410:1
Nov 29 21:56:50.471 INFO [stderr]     |
Nov 29 21:56:50.471 INFO [stderr] 410 | fn add_nocarry(a: &mut [u64; 4], b: &[u64; 4]) {
Nov 29 21:56:50.471 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:56:50.471 INFO [stderr] 
Nov 29 21:56:50.471 INFO [stderr] warning: function is never used: `mul_reduce`
Nov 29 21:56:50.471 INFO [stderr]    --> src/arith.rs:483:1
Nov 29 21:56:50.471 INFO [stderr]     |
Nov 29 21:56:50.471 INFO [stderr] 483 | / fn mul_reduce(
Nov 29 21:56:50.471 INFO [stderr] 484 | |     this: &mut [u64; 4],
Nov 29 21:56:50.471 INFO [stderr] 485 | |     by: &[u64; 4],
Nov 29 21:56:50.471 INFO [stderr] 486 | |     modulus: &[u64; 4],
Nov 29 21:56:50.471 INFO [stderr] ...   |
Nov 29 21:56:50.471 INFO [stderr] 504 | |     this.copy_from_slice(&res[4..]);
Nov 29 21:56:50.471 INFO [stderr] 505 | | }
Nov 29 21:56:50.471 INFO [stderr]     | |_^
Nov 29 21:56:50.471 INFO [stderr] 
Nov 29 21:56:50.488 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Nov 29 21:56:50.488 INFO [stderr] su: No module specific data is present
Nov 29 21:56:51.108 INFO running `"docker" "inspect" "4a2a47c84312c4aee1ee4ebd73aa65c51e394858c3fd6ca81bee9d0d9aed487d"`
Nov 29 21:56:51.522 INFO running `"docker" "rm" "-f" "4a2a47c84312c4aee1ee4ebd73aa65c51e394858c3fd6ca81bee9d0d9aed487d"`
Nov 29 21:56:51.884 INFO [stdout] 4a2a47c84312c4aee1ee4ebd73aa65c51e394858c3fd6ca81bee9d0d9aed487d