[INFO] updating cached repository SpinResearch/RustySecrets
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SpinResearch/RustySecrets
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SpinResearch/RustySecrets" "work/ex/beta-1.38-1/sources/1.37.0/gh/SpinResearch/RustySecrets"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/SpinResearch/RustySecrets'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SpinResearch/RustySecrets" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SpinResearch/RustySecrets"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SpinResearch/RustySecrets'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 38f98ff87eb42c55056c89578f89a0ef97f32c20
[INFO] sha for GitHub repo SpinResearch/RustySecrets: 38f98ff87eb42c55056c89578f89a0ef97f32c20
[INFO] validating manifest of SpinResearch/RustySecrets on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SpinResearch/RustySecrets on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SpinResearch/RustySecrets
[INFO] finished frobbing SpinResearch/RustySecrets
[INFO] frobbed toml for SpinResearch/RustySecrets written to work/ex/beta-1.38-1/sources/1.37.0/gh/SpinResearch/RustySecrets/Cargo.toml
[INFO] started frobbing SpinResearch/RustySecrets
[INFO] finished frobbing SpinResearch/RustySecrets
[INFO] frobbed toml for SpinResearch/RustySecrets written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SpinResearch/RustySecrets/Cargo.toml
[INFO] crate SpinResearch/RustySecrets already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing SpinResearch/RustySecrets against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 927f90533fd394bd6a01f1b625bdc5e2ffe1b015aeb62c1f8764f6738cb214c6
[INFO] running `"docker" "start" "-a" "927f90533fd394bd6a01f1b625bdc5e2ffe1b015aeb62c1f8764f6738cb214c6"`
[INFO] [stderr]    Compiling protobuf v1.5.1
[INFO] [stderr]    Compiling rusty_secrets v0.2.3-pre (/opt/crater/workdir)
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling base64 v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling lamport_sigs v0.5.0
[INFO] [stderr]    Compiling merkle v1.5.0
[INFO] [stderr]    Compiling merkle_sigs v1.4.0
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/errors.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  |   /// Create the Error, ErrorKind, ResultExt, and Result types
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 21  | / error_chain! {
[INFO] [stderr] 22  | |     errors {
[INFO] [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
[INFO] [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |     }
[INFO] [stderr] 148 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:219:26
[INFO] [stderr]     |
[INFO] [stderr] 219 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:220:18
[INFO] [stderr]     |
[INFO] [stderr] 220 |         self as &::std::any::Any
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:222:38
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:223:22
[INFO] [stderr]     |
[INFO] [stderr] 223 |         self as &mut ::std::any::Any
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:225:55
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:225:26
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:226:18
[INFO] [stderr]     |
[INFO] [stderr] 226 |         self as &::std::any::Any
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:228:38
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:229:22
[INFO] [stderr]     |
[INFO] [stderr] 229 |         self as &mut ::std::any::Any
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:231:55
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/errors.rs:21:1
[INFO] [stderr]     |
[INFO] [stderr] 21  | / error_chain! {
[INFO] [stderr] 22  | |     errors {
[INFO] [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
[INFO] [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |     }
[INFO] [stderr] 148 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/errors.rs:21:1
[INFO] [stderr]     |
[INFO] [stderr] 21  | / error_chain! {
[INFO] [stderr] 22  | |     errors {
[INFO] [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
[INFO] [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |     }
[INFO] [stderr] 148 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `w` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> src/lagrange.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |             w[i] -= w[j];
[INFO] [stderr]    |             --------^---
[INFO] [stderr]    |             |       |
[INFO] [stderr]    |             |       immutable borrow occurs here
[INFO] [stderr]    |             mutable borrow occurs here
[INFO] [stderr]    |             mutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pow`
[INFO] [stderr]   --> src/gf256.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn pow(&self, mut exp: u8) -> Gf256 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `interpolate`
[INFO] [stderr]   --> src/lagrange.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub(crate) fn interpolate(points: &[(Gf256, Gf256)]) -> Poly {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `MAX_COEFFS`
[INFO] [stderr]  --> src/poly.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static MAX_COEFFS: usize = 256;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Poly`
[INFO] [stderr]  --> src/poly.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) struct Poly {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/poly.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(coeffs: Vec<Gf256>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `evaluate_at_zero`
[INFO] [stderr]   --> src/poly.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn evaluate_at_zero(&self) -> Gf256 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `evaluate_at`
[INFO] [stderr]   --> src/poly.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn evaluate_at(&self, x: Gf256) -> Gf256 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u32_to_bytes`
[INFO] [stderr]  --> src/vol_hash.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn u32_to_bytes(x: u32) -> [u8; 4] {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VOLHash`
[INFO] [stderr]   --> src/vol_hash.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct VOLHash {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vol_hash.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(algorithm: &'static Algorithm) -> VOLHash {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process`
[INFO] [stderr]   --> src/vol_hash.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn process(&mut self, bytes: &[u8]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `finish`
[INFO] [stderr]   --> src/vol_hash.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn finish(self, dest: &mut [u8]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.72s
[INFO] running `"docker" "inspect" "927f90533fd394bd6a01f1b625bdc5e2ffe1b015aeb62c1f8764f6738cb214c6"`
[INFO] running `"docker" "rm" "-f" "927f90533fd394bd6a01f1b625bdc5e2ffe1b015aeb62c1f8764f6738cb214c6"`
[INFO] [stdout] 927f90533fd394bd6a01f1b625bdc5e2ffe1b015aeb62c1f8764f6738cb214c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] db173ecef93821b20f68fba31f366f011fcd725a7ec3252f7d70be63b817940a
[INFO] running `"docker" "start" "-a" "db173ecef93821b20f68fba31f366f011fcd725a7ec3252f7d70be63b817940a"`
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling rusty_secrets v0.2.3-pre (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/errors.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  |   /// Create the Error, ErrorKind, ResultExt, and Result types
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 21  | / error_chain! {
[INFO] [stderr] 22  | |     errors {
[INFO] [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
[INFO] [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |     }
[INFO] [stderr] 148 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:219:26
[INFO] [stderr]     |
[INFO] [stderr] 219 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:220:18
[INFO] [stderr]     |
[INFO] [stderr] 220 |         self as &::std::any::Any
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:222:38
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:223:22
[INFO] [stderr]     |
[INFO] [stderr] 223 |         self as &mut ::std::any::Any
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/secret.rs:225:55
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:225:26
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:226:18
[INFO] [stderr]     |
[INFO] [stderr] 226 |         self as &::std::any::Any
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:228:38
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:229:22
[INFO] [stderr]     |
[INFO] [stderr] 229 |         self as &mut ::std::any::Any
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/proto/wrapped/share.rs:231:55
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/errors.rs:21:1
[INFO] [stderr]     |
[INFO] [stderr] 21  | / error_chain! {
[INFO] [stderr] 22  | |     errors {
[INFO] [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
[INFO] [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |     }
[INFO] [stderr] 148 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/errors.rs:21:1
[INFO] [stderr]     |
[INFO] [stderr] 21  | / error_chain! {
[INFO] [stderr] 22  | |     errors {
[INFO] [stderr] 23  | |         ThresholdTooBig(k: u8, n: u8) {
[INFO] [stderr] 24  | |             description("Threshold k must be smaller than or equal to n")
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |     }
[INFO] [stderr] 148 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `w` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> src/lagrange.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |             w[i] -= w[j];
[INFO] [stderr]    |             --------^---
[INFO] [stderr]    |             |       |
[INFO] [stderr]    |             |       immutable borrow occurs here
[INFO] [stderr]    |             mutable borrow occurs here
[INFO] [stderr]    |             mutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `evaluate_at_zero`
[INFO] [stderr]   --> src/poly.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn evaluate_at_zero(&self) -> Gf256 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u32_to_bytes`
[INFO] [stderr]  --> src/vol_hash.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn u32_to_bytes(x: u32) -> [u8; 4] {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VOLHash`
[INFO] [stderr]   --> src/vol_hash.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct VOLHash {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vol_hash.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(algorithm: &'static Algorithm) -> VOLHash {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process`
[INFO] [stderr]   --> src/vol_hash.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn process(&mut self, bytes: &[u8]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `finish`
[INFO] [stderr]   --> src/vol_hash.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn finish(self, dest: &mut [u8]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.24s
[INFO] running `"docker" "inspect" "db173ecef93821b20f68fba31f366f011fcd725a7ec3252f7d70be63b817940a"`
[INFO] running `"docker" "rm" "-f" "db173ecef93821b20f68fba31f366f011fcd725a7ec3252f7d70be63b817940a"`
[INFO] [stdout] db173ecef93821b20f68fba31f366f011fcd725a7ec3252f7d70be63b817940a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a6b0e1b5d49ebf5f687324c0966af6dec7dd87d2fb7f13baca2101abdd2d34ad
[INFO] running `"docker" "start" "-a" "a6b0e1b5d49ebf5f687324c0966af6dec7dd87d2fb7f13baca2101abdd2d34ad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_secrets-ba734933684952c5
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test gf256::tests::addition::law_inverses ... ok
[INFO] [stdout] test gf256::tests::addition::law_identity ... ok
[INFO] [stdout] test gf256::tests::multiplication::law_associativity ... ok
[INFO] [stdout] test gf256::tests::addition::law_commutativity ... ok
[INFO] [stdout] test gf256::tests::addition::law_distributivity ... ok
[INFO] [stdout] test gf256::tests::multiplication::law_inverses ... ok
[INFO] [stdout] test gf256::tests::addition::law_associativity ... ok
[INFO] [stdout] test gf256::tests::multiplication::law_distributivity ... ok
[INFO] [stdout] test gf256::tests::multiplication::law_commutativity ... ok
[INFO] [stdout] test gf256::tests::multiplication::law_identity ... ok
[INFO] [stdout] test gf256::tests::vectors::mul ... ok
[INFO] [stdout] test gf256::tests::vectors::div ... ok
[INFO] [stdout] test gf256::tests::vectors::sub ... ok
[INFO] [stdout] test gf256::tests::vectors::add ... ok
[INFO] [stdout] test gf256::tests::vectors::pow ... ok
[INFO] [stdout] test lagrange::tests::interpolate_evaluate_at_0_eq_evaluate_at ... ok
[INFO] [stdout] test lagrange::tests::interpolate_evaluate_at_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/generation_errors-7ef038557dae29dc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_generate_invalid_k ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/randomized_tests-bde1fa7e5ea32b0c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_reasonable_splits ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/recovery_errors-2b7c00d4a063e043
[INFO] [stdout] test test_recover_0_share_num ... ok
[INFO] [stdout] test test_inconsistent_thresholds ... ok
[INFO] [stdout] test test_recover_invalid_b64 ... ok
[INFO] [stdout] test test_recover_inconsistent_secret_lengths ... ok
[INFO] [stdout] test test_recover_duplicate_shares_number ... ok
[INFO] [stdout] test test_recover_2_parts_share ... ok
[INFO] [stdout] test test_recover_incorrect_share_num ... ok
[INFO] [stdout] test test_recover_invalid_share_threshold ... ok
[INFO] [stdout] test test_recover_no_shares ... ok
[INFO] [stdout] test test_share_parsing_error_empty_share ... ok
[INFO] [stdout] test test_recover_too_few_shares_bug ... ok
[INFO] [stdout] test test_recover_too_few_shares ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ss1_recovery_errors-fca04f2233346bf4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_vectors-6394f126bdcbb388
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_recover_es_test_vectors ... ok
[INFO] [stdout] test test_recover_sellibitze ... ok
[INFO] [stdout] test test_recover_sellibitze_more_than_threshold_shars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/thss_generation_errors-7b683edcfdc2d162
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/thss_recovery_errors-6e5a84cc859e5f71
[INFO] [stderr]    Doc-tests rusty_secrets
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/sss/mod.rs - sss::split_secret (line 26) ... ok
[INFO] [stdout] test src/wrapped_secrets/mod.rs - wrapped_secrets::split_secret_rng (line 56) ... ok
[INFO] [stdout] test src/sss/mod.rs - sss::split_secret_rng (line 51) ... ok
[INFO] [stdout] test src/sss/mod.rs - sss::recover_secret (line 99) ... ok
[INFO] [stdout] test src/wrapped_secrets/mod.rs - wrapped_secrets::recover_secret (line 105) ... ok
[INFO] [stdout] test src/wrapped_secrets/mod.rs - wrapped_secrets::split_secret (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a6b0e1b5d49ebf5f687324c0966af6dec7dd87d2fb7f13baca2101abdd2d34ad"`
[INFO] running `"docker" "rm" "-f" "a6b0e1b5d49ebf5f687324c0966af6dec7dd87d2fb7f13baca2101abdd2d34ad"`
[INFO] [stdout] a6b0e1b5d49ebf5f687324c0966af6dec7dd87d2fb7f13baca2101abdd2d34ad