[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/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/SpinResearch/RustySecrets"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/SpinResearch/RustySecrets'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SpinResearch/RustySecrets" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/SpinResearch/RustySecrets"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/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 master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SpinResearch/RustySecrets on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "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/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/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/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/SpinResearch/RustySecrets/Cargo.toml
[INFO] crate SpinResearch/RustySecrets already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking SpinResearch/RustySecrets against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/SpinResearch/RustySecrets:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 63bebf19ca57267eb40f13905024e156333f3b253cd12ddff43e228866f670fe
[INFO] running `"docker" "start" "-a" "63bebf19ca57267eb40f13905024e156333f3b253cd12ddff43e228866f670fe"`
[INFO] [stderr]     Checking protobuf v1.5.1
[INFO] [stderr]    Compiling rusty_secrets v0.2.3-pre (/opt/crater/workdir)
[INFO] [stderr]     Checking lamport_sigs v0.5.0
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking merkle v1.5.0
[INFO] [stderr]     Checking 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: 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: 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 error 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 error 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: 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: 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] 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 error 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 error 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: 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 11.79s
[INFO] running `"docker" "inspect" "63bebf19ca57267eb40f13905024e156333f3b253cd12ddff43e228866f670fe"`
[INFO] running `"docker" "rm" "-f" "63bebf19ca57267eb40f13905024e156333f3b253cd12ddff43e228866f670fe"`
[INFO] [stdout] 63bebf19ca57267eb40f13905024e156333f3b253cd12ddff43e228866f670fe