[INFO] crate congredi 0.1.0 is already in cache
[INFO] extracting crate congredi 0.1.0 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/congredi/0.1.0
[INFO] extracting crate congredi 0.1.0 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/congredi/0.1.0
[INFO] validating manifest of congredi-0.1.0 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of congredi-0.1.0 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing congredi-0.1.0
[INFO] finished frobbing congredi-0.1.0
[INFO] frobbed toml for congredi-0.1.0 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/congredi/0.1.0/Cargo.toml
[INFO] started frobbing congredi-0.1.0
[INFO] finished frobbing congredi-0.1.0
[INFO] frobbed toml for congredi-0.1.0 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/congredi/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking congredi-0.1.0 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/congredi/0.1.0:/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"`
[INFO] [stdout] dbbcafe0035ef8d5562f0a7f3d6c79a58a9e262175e51b5f9fd2350130b7830d
[INFO] running `"docker" "start" "-a" "dbbcafe0035ef8d5562f0a7f3d6c79a58a9e262175e51b5f9fd2350130b7830d"`
[INFO] [stderr]     Checking unidiff v0.2.1
[INFO] [stderr]    Compiling ring v0.9.7
[INFO] [stderr]     Checking semver-parser v0.6.2
[INFO] [stderr]     Checking semver v0.5.1
[INFO] [stderr]     Checking rusted_cypher v1.1.0
[INFO] [stderr]     Checking webpki v0.12.1
[INFO] [stderr]     Checking rustls v0.8.0
[INFO] [stderr]     Checking congredi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ring`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ring;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `untrusted`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use untrusted;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `signature`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use ring::{rand, signature};
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::primatives::asym`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crypto::primatives::asym;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ring`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ring;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `untrusted`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use untrusted;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `signature`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use ring::{rand, signature};
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::primatives::asym`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crypto::primatives::asym;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let rng = rand::SystemRandom::new();
[INFO] [stderr]   |         ^^^ help: consider using `_rng` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `compressed_bytes`
[INFO] [stderr]   --> src/store/compress.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let compressed_bytes = e.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: consider using `_compressed_bytes` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `thingy`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn thingy(){
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wrap`
[INFO] [stderr]  --> src/crypto/methods/onion.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn wrap(&mut self) -> i32 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peel`
[INFO] [stderr]  --> src/crypto/methods/onion.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn peel(&mut self) -> (i32, bool) {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Onion`
[INFO] [stderr]   --> src/crypto/methods/onion.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Onion {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/store/compress.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch_an_integer`
[INFO] [stderr]  --> src/store/redis.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn fetch_an_integer() -> redis::RedisResult<isize> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `POW` should have a snake case name such as `pow`
[INFO] [stderr]  --> src/crypto/methods/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod POW;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/store/compress.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     e.write(b"foo");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/store/compress.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     e.write(b"bar");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let rng = rand::SystemRandom::new();
[INFO] [stderr]   |         ^^^ help: consider using `_rng` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `compressed_bytes`
[INFO] [stderr]   --> src/store/compress.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let compressed_bytes = e.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: consider using `_compressed_bytes` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `thingy`
[INFO] [stderr]  --> src/crypto/primatives/asym.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn thingy(){
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wrap`
[INFO] [stderr]  --> src/crypto/methods/onion.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn wrap(&mut self) -> i32 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peel`
[INFO] [stderr]  --> src/crypto/methods/onion.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn peel(&mut self) -> (i32, bool) {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Onion`
[INFO] [stderr]   --> src/crypto/methods/onion.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Onion {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/store/compress.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch_an_integer`
[INFO] [stderr]  --> src/store/redis.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn fetch_an_integer() -> redis::RedisResult<isize> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `POW` should have a snake case name such as `pow`
[INFO] [stderr]  --> src/crypto/methods/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod POW;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/store/compress.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     e.write(b"foo");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/store/compress.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     e.write(b"bar");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `congredi::schedule`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use congredi::schedule;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `congredi::schedule`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use congredi::schedule;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `"docker" "inspect" "dbbcafe0035ef8d5562f0a7f3d6c79a58a9e262175e51b5f9fd2350130b7830d"`
[INFO] running `"docker" "rm" "-f" "dbbcafe0035ef8d5562f0a7f3d6c79a58a9e262175e51b5f9fd2350130b7830d"`
[INFO] [stdout] dbbcafe0035ef8d5562f0a7f3d6c79a58a9e262175e51b5f9fd2350130b7830d