[INFO] crate libsecp256k1 0.2.2 is already in cache
[INFO] extracting crate libsecp256k1 0.2.2 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/libsecp256k1/0.2.2
[INFO] extracting crate libsecp256k1 0.2.2 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/libsecp256k1/0.2.2
[INFO] validating manifest of libsecp256k1-0.2.2 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libsecp256k1-0.2.2 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libsecp256k1-0.2.2
[INFO] finished frobbing libsecp256k1-0.2.2
[INFO] frobbed toml for libsecp256k1-0.2.2 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/libsecp256k1/0.2.2/Cargo.toml
[INFO] started frobbing libsecp256k1-0.2.2
[INFO] finished frobbing libsecp256k1-0.2.2
[INFO] frobbed toml for libsecp256k1-0.2.2 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/libsecp256k1/0.2.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking libsecp256k1-0.2.2 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-7/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/libsecp256k1/0.2.2:/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 79fbef1c2f378dfb364efcd92ddb6c0b31e0194a3ed88299794194e6f65071fb
[INFO] running `"docker" "start" "-a" "79fbef1c2f378dfb364efcd92ddb6c0b31e0194a3ed88299794194e6f65071fb"`
[INFO] [stderr]    Compiling secp256k1-test v0.7.2
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking libsecp256k1 v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/verify.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut sig = hex!($hex);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 157 |     check_lax_sig!("304402204c2dd8a9b6f8d425fcd8ee9a20ac73b619906a6367eac6cb93e70375225ec0160220356878eff111ff3663d7e6bf08947f94443845e0dcc54961664d922f7660b80c");
[INFO] [stderr]     |     --------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/verify.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut sig = hex!($hex);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 158 |     check_lax_sig!("304402202ea9d51c7173b1d96d331bd41b3d1b4e78e66148e64ed5992abd6ca66290321c0220628c47517e049b3e41509e9d71e480a0cdc766f8cdec265ef0017711c1b5336f");
[INFO] [stderr]     |     --------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/verify.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut sig = hex!($hex);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 159 |     check_lax_sig!("3045022100bf8e050c85ffa1c313108ad8c482c4849027937916374617af3f2e9a881861c9022023f65814222cab09d5ec41032ce9c72ca96a5676020736614de7b78a4e55325a");
[INFO] [stderr]     |     ----------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/verify.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut sig = hex!($hex);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 160 |     check_lax_sig!("3046022100839c1fbc5304de944f697c9f4b1d01d1faeba32d751c0f7acb21ac8a0f436a72022100e89bd46bb3a5a62adc679f659b7ce876d83ee297c7a5587b2011c4fcc72eab45");
[INFO] [stderr]     |     ------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/verify.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut sig = hex!($hex);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 161 |     check_lax_sig!("3046022100eaa5f90483eb20224616775891397d47efa64c68b969db1dacb1c30acdfc50aa022100cf9903bbefb1c8000cf482b0aeeb5af19287af20bd794de11d82716f9bae3db1");
[INFO] [stderr]     |     ------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/verify.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut sig = hex!($hex);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 162 |     check_lax_sig!("3045022047d512bc85842ac463ca3b669b62666ab8672ee60725b6c06759e476cebdc6c102210083805e93bd941770109bcc797784a71db9e48913f702c56e60b1c3e2ff379a60");
[INFO] [stderr]     |     ----------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/verify.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut sig = hex!($hex);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 163 |     check_lax_sig!("3044022023ee4e95151b2fbbb08a72f35babe02830d14d54bd7ed1320e4751751d1baa4802206235245254f58fd1be6ff19ca291817da76da65c2f6d81d654b5185dd86b8acf");
[INFO] [stderr]     |     --------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.13s
[INFO] running `"docker" "inspect" "79fbef1c2f378dfb364efcd92ddb6c0b31e0194a3ed88299794194e6f65071fb"`
[INFO] running `"docker" "rm" "-f" "79fbef1c2f378dfb364efcd92ddb6c0b31e0194a3ed88299794194e6f65071fb"`
[INFO] [stdout] 79fbef1c2f378dfb364efcd92ddb6c0b31e0194a3ed88299794194e6f65071fb