Nov 28 00:15:40.566 INFO checking mratsim/bndump against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:15:40.568 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 00:15:40.994 INFO [stdout] 1eecec2abb78bd60f49ba10035735e8b400fe3a89c1436575063acfb950c9ef5
Nov 28 00:15:40.996 INFO running `"docker" "start" "-a" "1eecec2abb78bd60f49ba10035735e8b400fe3a89c1436575063acfb950c9ef5"`
Nov 28 00:15:43.799 INFO [stderr] usermod: no changes
Nov 28 00:15:43.916 INFO [stderr]     Checking bndump v0.1.0 (/source)
Nov 28 00:15:44.515 INFO [stderr] warning: unused import: `Encodable`
Nov 28 00:15:44.515 INFO [stderr]  --> src/main.rs:6:29
Nov 28 00:15:44.515 INFO [stderr]   |
Nov 28 00:15:44.515 INFO [stderr] 6 | use rustc_serialize::{json, Encodable};
Nov 28 00:15:44.515 INFO [stderr]   |                             ^^^^^^^^^
Nov 28 00:15:44.516 INFO [stderr]   |
Nov 28 00:15:44.516 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 00:15:44.516 INFO [stderr] 
Nov 28 00:15:44.584 INFO [stderr] warning: unused import: `Encodable`
Nov 28 00:15:44.584 INFO [stderr]  --> src/main.rs:6:29
Nov 28 00:15:44.584 INFO [stderr]   |
Nov 28 00:15:44.585 INFO [stderr] 6 | use rustc_serialize::{json, Encodable};
Nov 28 00:15:44.585 INFO [stderr]   |                             ^^^^^^^^^
Nov 28 00:15:44.585 INFO [stderr]   |
Nov 28 00:15:44.585 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 00:15:44.585 INFO [stderr] 
Nov 28 00:15:44.990 INFO [stderr] warning: unused variable: `buf`
Nov 28 00:15:44.991 INFO [stderr]   --> src/main.rs:12:13
Nov 28 00:15:44.992 INFO [stderr]    |
Nov 28 00:15:44.993 INFO [stderr] 12 |     let mut buf = [0u8; (8 * 8)];
Nov 28 00:15:44.993 INFO [stderr]    |             ^^^ help: consider using `_buf` instead
Nov 28 00:15:44.994 INFO [stderr]    |
Nov 28 00:15:44.995 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 00:15:44.995 INFO [stderr] 
Nov 28 00:15:45.000 INFO [stderr] warning: variable does not need to be mutable
Nov 28 00:15:45.000 INFO [stderr]   --> src/main.rs:12:9
Nov 28 00:15:45.001 INFO [stderr]    |
Nov 28 00:15:45.002 INFO [stderr] 12 |     let mut buf = [0u8; (8 * 8)];
Nov 28 00:15:45.002 INFO [stderr]    |         ----^^^
Nov 28 00:15:45.003 INFO [stderr]    |         |
Nov 28 00:15:45.003 INFO [stderr]    |         help: remove this `mut`
Nov 28 00:15:45.004 INFO [stderr]    |
Nov 28 00:15:45.005 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 00:15:45.005 INFO [stderr] 
Nov 28 00:15:45.006 INFO [stderr] warning: unused variable: `buf`
Nov 28 00:15:45.007 INFO [stderr]   --> src/main.rs:12:13
Nov 28 00:15:45.008 INFO [stderr]    |
Nov 28 00:15:45.008 INFO [stderr] 12 |     let mut buf = [0u8; (8 * 8)];
Nov 28 00:15:45.009 INFO [stderr]    |             ^^^ help: consider using `_buf` instead
Nov 28 00:15:45.010 INFO [stderr]    |
Nov 28 00:15:45.010 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 00:15:45.011 INFO [stderr] 
Nov 28 00:15:45.011 INFO [stderr] warning: variable does not need to be mutable
Nov 28 00:15:45.011 INFO [stderr]   --> src/main.rs:12:9
Nov 28 00:15:45.011 INFO [stderr]    |
Nov 28 00:15:45.011 INFO [stderr] 12 |     let mut buf = [0u8; (8 * 8)];
Nov 28 00:15:45.011 INFO [stderr]    |         ----^^^
Nov 28 00:15:45.011 INFO [stderr]    |         |
Nov 28 00:15:45.011 INFO [stderr]    |         help: remove this `mut`
Nov 28 00:15:45.013 INFO [stderr]    |
Nov 28 00:15:45.013 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 00:15:45.013 INFO [stderr] 
Nov 28 00:15:45.080 INFO [stderr] warning: method is never used: `one`
Nov 28 00:15:45.081 INFO [stderr]    --> src/arith.rs:192:5
Nov 28 00:15:45.081 INFO [stderr]     |
Nov 28 00:15:45.082 INFO [stderr] 192 |     pub fn one() -> U256 {
Nov 28 00:15:45.083 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.083 INFO [stderr]     |
Nov 28 00:15:45.084 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 00:15:45.085 INFO [stderr] 
Nov 28 00:15:45.085 INFO [stderr] warning: method is never used: `is_zero`
Nov 28 00:15:45.086 INFO [stderr]    --> src/arith.rs:202:5
Nov 28 00:15:45.087 INFO [stderr]     |
Nov 28 00:15:45.087 INFO [stderr] 202 |     pub fn is_zero(&self) -> bool {
Nov 28 00:15:45.088 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.088 INFO [stderr] 
Nov 28 00:15:45.089 INFO [stderr] warning: method is never used: `add`
Nov 28 00:15:45.090 INFO [stderr]    --> src/arith.rs:240:5
Nov 28 00:15:45.090 INFO [stderr]     |
Nov 28 00:15:45.091 INFO [stderr] 240 |     pub fn add(&mut self, other: &U256, modulo: &U256) {
Nov 28 00:15:45.092 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.092 INFO [stderr] 
Nov 28 00:15:45.093 INFO [stderr] warning: method is never used: `sub`
Nov 28 00:15:45.094 INFO [stderr]    --> src/arith.rs:249:5
Nov 28 00:15:45.094 INFO [stderr]     |
Nov 28 00:15:45.095 INFO [stderr] 249 |     pub fn sub(&mut self, other: &U256, modulo: &U256) {
Nov 28 00:15:45.096 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.096 INFO [stderr] 
Nov 28 00:15:45.097 INFO [stderr] warning: method is never used: `mul`
Nov 28 00:15:45.098 INFO [stderr]    --> src/arith.rs:259:5
Nov 28 00:15:45.098 INFO [stderr]     |
Nov 28 00:15:45.099 INFO [stderr] 259 |     pub fn mul(&mut self, other: &U256, modulo: &U256, inv: u64) {
Nov 28 00:15:45.100 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.100 INFO [stderr] 
Nov 28 00:15:45.101 INFO [stderr] warning: method is never used: `neg`
Nov 28 00:15:45.102 INFO [stderr]    --> src/arith.rs:268:5
Nov 28 00:15:45.102 INFO [stderr]     |
Nov 28 00:15:45.103 INFO [stderr] 268 |     pub fn neg(&mut self, modulo: &U256) {
Nov 28 00:15:45.104 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.104 INFO [stderr] 
Nov 28 00:15:45.105 INFO [stderr] warning: method is never used: `is_even`
Nov 28 00:15:45.106 INFO [stderr]    --> src/arith.rs:278:5
Nov 28 00:15:45.106 INFO [stderr]     |
Nov 28 00:15:45.106 INFO [stderr] 278 |     pub fn is_even(&self) -> bool {
Nov 28 00:15:45.106 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.107 INFO [stderr] 
Nov 28 00:15:45.108 INFO [stderr] warning: method is never used: `invert`
Nov 28 00:15:45.109 INFO [stderr]    --> src/arith.rs:283:5
Nov 28 00:15:45.109 INFO [stderr]     |
Nov 28 00:15:45.109 INFO [stderr] 283 |     pub fn invert(&mut self, modulo: &U256) {
Nov 28 00:15:45.109 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.110 INFO [stderr] 
Nov 28 00:15:45.110 INFO [stderr] warning: method is never used: `bits`
Nov 28 00:15:45.110 INFO [stderr]    --> src/arith.rs:333:5
Nov 28 00:15:45.110 INFO [stderr]     |
Nov 28 00:15:45.110 INFO [stderr] 333 |     pub fn bits(&self) -> BitIterator {
Nov 28 00:15:45.110 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.112 INFO [stderr] 
Nov 28 00:15:45.112 INFO [stderr] warning: struct is never constructed: `BitIterator`
Nov 28 00:15:45.112 INFO [stderr]    --> src/arith.rs:341:1
Nov 28 00:15:45.112 INFO [stderr]     |
Nov 28 00:15:45.112 INFO [stderr] 341 | pub struct BitIterator<'a> {
Nov 28 00:15:45.112 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.114 INFO [stderr] 
Nov 28 00:15:45.114 INFO [stderr] warning: function is never used: `div2`
Nov 28 00:15:45.114 INFO [stderr]    --> src/arith.rs:363:1
Nov 28 00:15:45.114 INFO [stderr]     |
Nov 28 00:15:45.114 INFO [stderr] 363 | fn div2(a: &mut [u64; 4]) {
Nov 28 00:15:45.114 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.116 INFO [stderr] 
Nov 28 00:15:45.116 INFO [stderr] warning: function is never used: `add_nocarry`
Nov 28 00:15:45.116 INFO [stderr]    --> src/arith.rs:410:1
Nov 28 00:15:45.116 INFO [stderr]     |
Nov 28 00:15:45.116 INFO [stderr] 410 | fn add_nocarry(a: &mut [u64; 4], b: &[u64; 4]) {
Nov 28 00:15:45.116 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.118 INFO [stderr] 
Nov 28 00:15:45.118 INFO [stderr] warning: function is never used: `mul_reduce`
Nov 28 00:15:45.118 INFO [stderr]    --> src/arith.rs:483:1
Nov 28 00:15:45.118 INFO [stderr]     |
Nov 28 00:15:45.118 INFO [stderr] 483 | / fn mul_reduce(
Nov 28 00:15:45.118 INFO [stderr] 484 | |     this: &mut [u64; 4],
Nov 28 00:15:45.118 INFO [stderr] 485 | |     by: &[u64; 4],
Nov 28 00:15:45.118 INFO [stderr] 486 | |     modulus: &[u64; 4],
Nov 28 00:15:45.122 INFO [stderr] ...   |
Nov 28 00:15:45.122 INFO [stderr] 504 | |     this.copy_from_slice(&res[4..]);
Nov 28 00:15:45.122 INFO [stderr] 505 | | }
Nov 28 00:15:45.122 INFO [stderr]     | |_^
Nov 28 00:15:45.122 INFO [stderr] 
Nov 28 00:15:45.215 INFO [stderr] warning: method is never used: `is_zero`
Nov 28 00:15:45.216 INFO [stderr]    --> src/arith.rs:202:5
Nov 28 00:15:45.216 INFO [stderr]     |
Nov 28 00:15:45.217 INFO [stderr] 202 |     pub fn is_zero(&self) -> bool {
Nov 28 00:15:45.218 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.218 INFO [stderr]     |
Nov 28 00:15:45.219 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 00:15:45.219 INFO [stderr] 
Nov 28 00:15:45.220 INFO [stderr] warning: method is never used: `add`
Nov 28 00:15:45.221 INFO [stderr]    --> src/arith.rs:240:5
Nov 28 00:15:45.221 INFO [stderr]     |
Nov 28 00:15:45.222 INFO [stderr] 240 |     pub fn add(&mut self, other: &U256, modulo: &U256) {
Nov 28 00:15:45.223 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.223 INFO [stderr] 
Nov 28 00:15:45.224 INFO [stderr] warning: method is never used: `sub`
Nov 28 00:15:45.225 INFO [stderr]    --> src/arith.rs:249:5
Nov 28 00:15:45.225 INFO [stderr]     |
Nov 28 00:15:45.226 INFO [stderr] 249 |     pub fn sub(&mut self, other: &U256, modulo: &U256) {
Nov 28 00:15:45.227 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.227 INFO [stderr] 
Nov 28 00:15:45.227 INFO [stderr] warning: method is never used: `mul`
Nov 28 00:15:45.227 INFO [stderr]    --> src/arith.rs:259:5
Nov 28 00:15:45.227 INFO [stderr]     |
Nov 28 00:15:45.227 INFO [stderr] 259 |     pub fn mul(&mut self, other: &U256, modulo: &U256, inv: u64) {
Nov 28 00:15:45.227 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.227 INFO [stderr] 
Nov 28 00:15:45.227 INFO [stderr] warning: method is never used: `neg`
Nov 28 00:15:45.227 INFO [stderr]    --> src/arith.rs:268:5
Nov 28 00:15:45.227 INFO [stderr]     |
Nov 28 00:15:45.227 INFO [stderr] 268 |     pub fn neg(&mut self, modulo: &U256) {
Nov 28 00:15:45.227 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.227 INFO [stderr] 
Nov 28 00:15:45.227 INFO [stderr] warning: method is never used: `is_even`
Nov 28 00:15:45.232 INFO [stderr]    --> src/arith.rs:278:5
Nov 28 00:15:45.232 INFO [stderr]     |
Nov 28 00:15:45.232 INFO [stderr] 278 |     pub fn is_even(&self) -> bool {
Nov 28 00:15:45.232 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.232 INFO [stderr] 
Nov 28 00:15:45.232 INFO [stderr] warning: method is never used: `invert`
Nov 28 00:15:45.232 INFO [stderr]    --> src/arith.rs:283:5
Nov 28 00:15:45.232 INFO [stderr]     |
Nov 28 00:15:45.232 INFO [stderr] 283 |     pub fn invert(&mut self, modulo: &U256) {
Nov 28 00:15:45.232 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.232 INFO [stderr] 
Nov 28 00:15:45.232 INFO [stderr] warning: function is never used: `div2`
Nov 28 00:15:45.232 INFO [stderr]    --> src/arith.rs:363:1
Nov 28 00:15:45.232 INFO [stderr]     |
Nov 28 00:15:45.232 INFO [stderr] 363 | fn div2(a: &mut [u64; 4]) {
Nov 28 00:15:45.232 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.232 INFO [stderr] 
Nov 28 00:15:45.232 INFO [stderr] warning: function is never used: `add_nocarry`
Nov 28 00:15:45.232 INFO [stderr]    --> src/arith.rs:410:1
Nov 28 00:15:45.232 INFO [stderr]     |
Nov 28 00:15:45.232 INFO [stderr] 410 | fn add_nocarry(a: &mut [u64; 4], b: &[u64; 4]) {
Nov 28 00:15:45.232 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:15:45.232 INFO [stderr] 
Nov 28 00:15:45.232 INFO [stderr] warning: function is never used: `mul_reduce`
Nov 28 00:15:45.232 INFO [stderr]    --> src/arith.rs:483:1
Nov 28 00:15:45.233 INFO [stderr]     |
Nov 28 00:15:45.233 INFO [stderr] 483 | / fn mul_reduce(
Nov 28 00:15:45.233 INFO [stderr] 484 | |     this: &mut [u64; 4],
Nov 28 00:15:45.233 INFO [stderr] 485 | |     by: &[u64; 4],
Nov 28 00:15:45.233 INFO [stderr] 486 | |     modulus: &[u64; 4],
Nov 28 00:15:45.233 INFO [stderr] ...   |
Nov 28 00:15:45.233 INFO [stderr] 504 | |     this.copy_from_slice(&res[4..]);
Nov 28 00:15:45.233 INFO [stderr] 505 | | }
Nov 28 00:15:45.233 INFO [stderr]     | |_^
Nov 28 00:15:45.233 INFO [stderr] 
Nov 28 00:15:45.309 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Nov 28 00:15:45.313 INFO [stderr] su: No module specific data is present
Nov 28 00:15:46.974 INFO running `"docker" "inspect" "1eecec2abb78bd60f49ba10035735e8b400fe3a89c1436575063acfb950c9ef5"`
Nov 28 00:15:47.326 INFO running `"docker" "rm" "-f" "1eecec2abb78bd60f49ba10035735e8b400fe3a89c1436575063acfb950c9ef5"`
Nov 28 00:15:47.673 INFO [stdout] 1eecec2abb78bd60f49ba10035735e8b400fe3a89c1436575063acfb950c9ef5