Dec 12 12:00:21.259 INFO checking libsecp256k1-rs-0.2.4 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:00:21.259 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 12:00:21.808 INFO [stdout] c3529c1b0b0de1f3604c38b64defe05bc236c5377192c4449ab14745c11ce40e
Dec 12 12:00:21.814 INFO running `"docker" "start" "-a" "c3529c1b0b0de1f3604c38b64defe05bc236c5377192c4449ab14745c11ce40e"`
Dec 12 12:00:23.238 INFO [stderr] usermod: no changes
Dec 12 12:00:23.408 INFO [stderr]    Compiling secp256k1-test v0.7.2
Dec 12 12:00:23.416 INFO [stderr]     Checking crypto-mac v0.4.0
Dec 12 12:00:24.664 INFO [stderr]     Checking hmac v0.4.2
Dec 12 12:00:25.547 INFO [stderr]     Checking hmac-drbg v0.1.2
Dec 12 12:00:26.988 INFO [stderr]     Checking libsecp256k1-rs v0.2.4 (/source)
Dec 12 12:00:46.844 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 12:00:46.844 INFO [stderr]    --> src/secp256k1/keys.rs:157:9
Dec 12 12:00:46.844 INFO [stderr]     |
Dec 12 12:00:46.844 INFO [stderr] 157 |         write!(f, "{}", self.to_hex(true));
Dec 12 12:00:46.844 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:00:46.844 INFO [stderr]     |
Dec 12 12:00:46.844 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 12:00:46.844 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 12:00:46.844 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 12 12:00:46.844 INFO [stderr] 
Dec 12 12:00:50.532 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 12:00:50.532 INFO [stderr]    --> src/secp256k1/keys.rs:157:9
Dec 12 12:00:50.532 INFO [stderr]     |
Dec 12 12:00:50.532 INFO [stderr] 157 |         write!(f, "{}", self.to_hex(true));
Dec 12 12:00:50.532 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:00:50.533 INFO [stderr]     |
Dec 12 12:00:50.533 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 12:00:50.533 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 12:00:50.533 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 12 12:00:50.533 INFO [stderr] 
Dec 12 12:00:52.852 INFO [stderr] error[E0432]: unresolved import `secp256k1`
Dec 12 12:00:52.852 INFO [stderr]  --> benches/signature.rs:8:5
Dec 12 12:00:52.852 INFO [stderr]   |
Dec 12 12:00:52.852 INFO [stderr] 8 | use secp256k1::Signature;
Dec 12 12:00:52.852 INFO [stderr]   |     ^^^^^^^^^ maybe a missing `extern crate secp256k1;`?
Dec 12 12:00:52.852 INFO [stderr] 
Dec 12 12:00:53.084 INFO [stderr] error: aborting due to previous error
Dec 12 12:00:53.096 INFO [stderr] 
Dec 12 12:00:53.097 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 12 12:00:53.140 INFO [stderr] error: Could not compile `libsecp256k1-rs`.
Dec 12 12:00:53.140 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 12:00:53.280 INFO [stderr] error[E0432]: unresolved import `secp256k1`
Dec 12 12:00:53.280 INFO [stderr]  --> benches/public_key.rs:8:5
Dec 12 12:00:53.280 INFO [stderr]   |
Dec 12 12:00:53.280 INFO [stderr] 8 | use secp256k1::PublicKey;
Dec 12 12:00:53.280 INFO [stderr]   |     ^^^^^^^^^ maybe a missing `extern crate secp256k1;`?
Dec 12 12:00:53.294 INFO [stderr] 
Dec 12 12:00:53.460 INFO [stderr] error: aborting due to previous error
Dec 12 12:00:53.460 INFO [stderr] 
Dec 12 12:00:53.460 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 12 12:00:53.488 INFO [stderr] error: Could not compile `libsecp256k1-rs`.
Dec 12 12:00:53.488 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 12:00:53.908 INFO [stderr] error[E0432]: unresolved import `secp256k1`
Dec 12 12:00:53.908 INFO [stderr]   --> benches/sign.rs:11:5
Dec 12 12:00:53.908 INFO [stderr]    |
Dec 12 12:00:53.908 INFO [stderr] 11 | use secp256k1::{sign, Message, SecretKey};
Dec 12 12:00:53.908 INFO [stderr]    |     ^^^^^^^^^ maybe a missing `extern crate secp256k1;`?
Dec 12 12:00:53.908 INFO [stderr] 
Dec 12 12:00:53.965 INFO [stderr] error: aborting due to previous error
Dec 12 12:00:53.965 INFO [stderr] 
Dec 12 12:00:53.965 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 12 12:00:53.975 INFO [stderr] error: Could not compile `libsecp256k1-rs`.
Dec 12 12:00:53.975 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 12:00:54.548 INFO [stderr] error: build failed
Dec 12 12:00:54.548 INFO [stderr] su: No module specific data is present
Dec 12 12:00:55.708 INFO running `"docker" "inspect" "c3529c1b0b0de1f3604c38b64defe05bc236c5377192c4449ab14745c11ce40e"`
Dec 12 12:00:55.982 INFO running `"docker" "rm" "-f" "c3529c1b0b0de1f3604c38b64defe05bc236c5377192c4449ab14745c11ce40e"`
Dec 12 12:00:56.412 INFO [stdout] c3529c1b0b0de1f3604c38b64defe05bc236c5377192c4449ab14745c11ce40e