Dec 19 21:50:35.821 INFO checking SpinResearch/RustySecrets against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:50:35.821 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/SpinResearch/RustySecrets:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:50:36.293 INFO [stdout] a35970b93ad18f92f2fd6e5c2e732aea1b99e7799f9e1b061c0ee1c8e53f32bc
Dec 19 21:50:36.300 INFO running `"docker" "start" "-a" "a35970b93ad18f92f2fd6e5c2e732aea1b99e7799f9e1b061c0ee1c8e53f32bc"`
Dec 19 21:50:37.920 INFO [stderr]     Checking protobuf v1.5.1
Dec 19 21:50:37.920 INFO [stderr]    Compiling rusty_secrets v0.2.3-pre (/opt/crater/workdir)
Dec 19 21:50:37.938 INFO [stderr]     Checking thread-id v2.0.0
Dec 19 21:50:37.938 INFO [stderr]     Checking flate2 v0.2.20
Dec 19 21:50:37.938 INFO [stderr]     Checking lamport_sigs v0.5.0
Dec 19 21:50:39.057 INFO [stderr]     Checking thread_local v0.2.7
Dec 19 21:50:40.262 INFO [stderr]     Checking regex v0.1.80
Dec 19 21:50:43.464 INFO [stderr]     Checking env_logger v0.3.5
Dec 19 21:50:44.025 INFO [stderr]     Checking quickcheck v0.4.1
Dec 19 21:50:46.628 INFO [stderr]     Checking merkle v1.5.0
Dec 19 21:50:47.480 INFO [stderr]     Checking merkle_sigs v1.4.0
Dec 19 21:50:49.112 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 21:50:49.112 INFO [stderr]   --> src/lib.rs:41:1
Dec 19 21:50:49.112 INFO [stderr]    |
Dec 19 21:50:49.112 INFO [stderr] 41 | #[macro_use]
Dec 19 21:50:49.112 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 21:50:49.112 INFO [stderr]    |
Dec 19 21:50:49.112 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:50:49.112 INFO [stderr] 
Dec 19 21:50:49.132 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 21:50:49.132 INFO [stderr]    --> src/errors.rs:21:1
Dec 19 21:50:49.132 INFO [stderr]     |
Dec 19 21:50:49.132 INFO [stderr] 21  | / error_chain! {
Dec 19 21:50:49.132 INFO [stderr] 22  | |     errors {
Dec 19 21:50:49.132 INFO [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
Dec 19 21:50:49.132 INFO [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
Dec 19 21:50:49.132 INFO [stderr] ...   |
Dec 19 21:50:49.132 INFO [stderr] 147 | |     }
Dec 19 21:50:49.132 INFO [stderr] 148 | | }
Dec 19 21:50:49.132 INFO [stderr]     | |_^
Dec 19 21:50:49.132 INFO [stderr]     |
Dec 19 21:50:49.132 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 19 21:50:49.132 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 21:50:49.132 INFO [stderr] 
Dec 19 21:50:49.132 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 21:50:49.132 INFO [stderr]    --> src/errors.rs:21:1
Dec 19 21:50:49.132 INFO [stderr]     |
Dec 19 21:50:49.132 INFO [stderr] 21  | / error_chain! {
Dec 19 21:50:49.133 INFO [stderr] 22  | |     errors {
Dec 19 21:50:49.133 INFO [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
Dec 19 21:50:49.133 INFO [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
Dec 19 21:50:49.133 INFO [stderr] ...   |
Dec 19 21:50:49.133 INFO [stderr] 147 | |     }
Dec 19 21:50:49.133 INFO [stderr] 148 | | }
Dec 19 21:50:49.133 INFO [stderr]     | |_^
Dec 19 21:50:49.133 INFO [stderr]     |
Dec 19 21:50:49.133 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 21:50:49.133 INFO [stderr] 
Dec 19 21:50:49.580 INFO [stderr] warning: method is never used: `pow`
Dec 19 21:50:49.580 INFO [stderr]   --> src/gf256.rs:49:5
Dec 19 21:50:49.580 INFO [stderr]    |
Dec 19 21:50:49.580 INFO [stderr] 49 |     pub fn pow(&self, mut exp: u8) -> Gf256 {
Dec 19 21:50:49.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: function is never used: `interpolate`
Dec 19 21:50:49.581 INFO [stderr]   --> src/lagrange.rs:49:1
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr] 49 | pub(crate) fn interpolate(points: &[(Gf256, Gf256)]) -> Poly {
Dec 19 21:50:49.581 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: static item is never used: `MAX_COEFFS`
Dec 19 21:50:49.581 INFO [stderr]  --> src/poly.rs:3:1
Dec 19 21:50:49.581 INFO [stderr]   |
Dec 19 21:50:49.581 INFO [stderr] 3 | static MAX_COEFFS: usize = 256;
Dec 19 21:50:49.581 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: struct is never constructed: `Poly`
Dec 19 21:50:49.581 INFO [stderr]  --> src/poly.rs:5:1
Dec 19 21:50:49.581 INFO [stderr]   |
Dec 19 21:50:49.581 INFO [stderr] 5 | pub(crate) struct Poly {
Dec 19 21:50:49.581 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: method is never used: `new`
Dec 19 21:50:49.581 INFO [stderr]   --> src/poly.rs:10:5
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr] 10 |     pub fn new(coeffs: Vec<Gf256>) -> Self {
Dec 19 21:50:49.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: method is never used: `evaluate_at_zero`
Dec 19 21:50:49.581 INFO [stderr]   --> src/poly.rs:14:5
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr] 14 |     pub fn evaluate_at_zero(&self) -> Gf256 {
Dec 19 21:50:49.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: method is never used: `evaluate_at`
Dec 19 21:50:49.581 INFO [stderr]   --> src/poly.rs:18:5
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr] 18 |     pub fn evaluate_at(&self, x: Gf256) -> Gf256 {
Dec 19 21:50:49.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: function is never used: `u32_to_bytes`
Dec 19 21:50:49.581 INFO [stderr]  --> src/vol_hash.rs:7:1
Dec 19 21:50:49.581 INFO [stderr]   |
Dec 19 21:50:49.581 INFO [stderr] 7 | fn u32_to_bytes(x: u32) -> [u8; 4] {
Dec 19 21:50:49.581 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: struct is never constructed: `VOLHash`
Dec 19 21:50:49.581 INFO [stderr]   --> src/vol_hash.rs:11:1
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr] 11 | pub struct VOLHash {
Dec 19 21:50:49.581 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: method is never used: `new`
Dec 19 21:50:49.581 INFO [stderr]   --> src/vol_hash.rs:17:5
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr] 17 |     pub fn new(algorithm: &'static Algorithm) -> VOLHash {
Dec 19 21:50:49.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: method is never used: `process`
Dec 19 21:50:49.581 INFO [stderr]   --> src/vol_hash.rs:24:5
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr] 24 |     pub fn process(&mut self, bytes: &[u8]) {
Dec 19 21:50:49.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:49.581 INFO [stderr] warning: method is never used: `finish`
Dec 19 21:50:49.581 INFO [stderr]   --> src/vol_hash.rs:28:5
Dec 19 21:50:49.581 INFO [stderr]    |
Dec 19 21:50:49.581 INFO [stderr] 28 |     pub fn finish(self, dest: &mut [u8]) {
Dec 19 21:50:49.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:49.581 INFO [stderr] 
Dec 19 21:50:50.976 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 21:50:50.976 INFO [stderr]    --> src/errors.rs:21:1
Dec 19 21:50:50.977 INFO [stderr]     |
Dec 19 21:50:50.977 INFO [stderr] 21  | / error_chain! {
Dec 19 21:50:50.977 INFO [stderr] 22  | |     errors {
Dec 19 21:50:50.977 INFO [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
Dec 19 21:50:50.977 INFO [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
Dec 19 21:50:50.977 INFO [stderr] ...   |
Dec 19 21:50:50.977 INFO [stderr] 147 | |     }
Dec 19 21:50:50.977 INFO [stderr] 148 | | }
Dec 19 21:50:50.977 INFO [stderr]     | |_^
Dec 19 21:50:50.977 INFO [stderr]     |
Dec 19 21:50:50.977 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 19 21:50:50.977 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 21:50:50.977 INFO [stderr] 
Dec 19 21:50:50.977 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 21:50:50.977 INFO [stderr]    --> src/errors.rs:21:1
Dec 19 21:50:50.977 INFO [stderr]     |
Dec 19 21:50:50.977 INFO [stderr] 21  | / error_chain! {
Dec 19 21:50:50.977 INFO [stderr] 22  | |     errors {
Dec 19 21:50:50.977 INFO [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
Dec 19 21:50:50.977 INFO [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
Dec 19 21:50:50.977 INFO [stderr] ...   |
Dec 19 21:50:50.977 INFO [stderr] 147 | |     }
Dec 19 21:50:50.977 INFO [stderr] 148 | | }
Dec 19 21:50:50.977 INFO [stderr]     | |_^
Dec 19 21:50:50.977 INFO [stderr]     |
Dec 19 21:50:50.977 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 21:50:50.977 INFO [stderr] 
Dec 19 21:50:53.083 INFO [stderr] warning: method is never used: `evaluate_at_zero`
Dec 19 21:50:53.083 INFO [stderr]   --> src/poly.rs:14:5
Dec 19 21:50:53.083 INFO [stderr]    |
Dec 19 21:50:53.083 INFO [stderr] 14 |     pub fn evaluate_at_zero(&self) -> Gf256 {
Dec 19 21:50:53.083 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:53.083 INFO [stderr]    |
Dec 19 21:50:53.083 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:50:53.084 INFO [stderr] 
Dec 19 21:50:53.084 INFO [stderr] warning: function is never used: `u32_to_bytes`
Dec 19 21:50:53.084 INFO [stderr]  --> src/vol_hash.rs:7:1
Dec 19 21:50:53.084 INFO [stderr]   |
Dec 19 21:50:53.084 INFO [stderr] 7 | fn u32_to_bytes(x: u32) -> [u8; 4] {
Dec 19 21:50:53.084 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:53.084 INFO [stderr] 
Dec 19 21:50:53.084 INFO [stderr] warning: struct is never constructed: `VOLHash`
Dec 19 21:50:53.084 INFO [stderr]   --> src/vol_hash.rs:11:1
Dec 19 21:50:53.084 INFO [stderr]    |
Dec 19 21:50:53.084 INFO [stderr] 11 | pub struct VOLHash {
Dec 19 21:50:53.084 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 19 21:50:53.084 INFO [stderr] 
Dec 19 21:50:53.084 INFO [stderr] warning: method is never used: `new`
Dec 19 21:50:53.084 INFO [stderr]   --> src/vol_hash.rs:17:5
Dec 19 21:50:53.084 INFO [stderr]    |
Dec 19 21:50:53.084 INFO [stderr] 17 |     pub fn new(algorithm: &'static Algorithm) -> VOLHash {
Dec 19 21:50:53.084 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:53.084 INFO [stderr] 
Dec 19 21:50:53.084 INFO [stderr] warning: method is never used: `process`
Dec 19 21:50:53.084 INFO [stderr]   --> src/vol_hash.rs:24:5
Dec 19 21:50:53.084 INFO [stderr]    |
Dec 19 21:50:53.084 INFO [stderr] 24 |     pub fn process(&mut self, bytes: &[u8]) {
Dec 19 21:50:53.084 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:53.084 INFO [stderr] 
Dec 19 21:50:53.084 INFO [stderr] warning: method is never used: `finish`
Dec 19 21:50:53.084 INFO [stderr]   --> src/vol_hash.rs:28:5
Dec 19 21:50:53.084 INFO [stderr]    |
Dec 19 21:50:53.084 INFO [stderr] 28 |     pub fn finish(self, dest: &mut [u8]) {
Dec 19 21:50:53.084 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:50:53.084 INFO [stderr] 
Dec 19 21:50:53.899 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.13s
Dec 19 21:50:54.646 INFO running `"docker" "inspect" "a35970b93ad18f92f2fd6e5c2e732aea1b99e7799f9e1b061c0ee1c8e53f32bc"`
Dec 19 21:50:54.900 INFO running `"docker" "rm" "-f" "a35970b93ad18f92f2fd6e5c2e732aea1b99e7799f9e1b061c0ee1c8e53f32bc"`
Dec 19 21:50:55.268 INFO [stdout] a35970b93ad18f92f2fd6e5c2e732aea1b99e7799f9e1b061c0ee1c8e53f32bc