[INFO] crate tiny-secp256k1 0.1.0 is already in cache
[INFO] testing tiny-secp256k1-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate tiny-secp256k1 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tiny-secp256k1 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiny-secp256k1 0.1.0
[INFO] finished tweaking crates.io crate tiny-secp256k1 0.1.0
[INFO] tweaked toml for crates.io crate tiny-secp256k1 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39728a18e61c1d031447bfa5ce4231aaf97df8e16eed913c19f4914248678553
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39728a18e61c1d031447bfa5ce4231aaf97df8e16eed913c19f4914248678553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39728a18e61c1d031447bfa5ce4231aaf97df8e16eed913c19f4914248678553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39728a18e61c1d031447bfa5ce4231aaf97df8e16eed913c19f4914248678553", kill_on_drop: false }`
[INFO] [stdout] 39728a18e61c1d031447bfa5ce4231aaf97df8e16eed913c19f4914248678553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b54d311b7eeed17cf821cf291baa3e77a60182998c8abf6845c02e19cc920fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b54d311b7eeed17cf821cf291baa3e77a60182998c8abf6845c02e19cc920fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-secp256k1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::ops::Mul::mul` that must be used
[INFO] [stdout]    --> src/big_num.rs:281:4
[INFO] [stdout]     |
[INFO] [stdout] 281 |             self.mul(rhs.words[0]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5b54d311b7eeed17cf821cf291baa3e77a60182998c8abf6845c02e19cc920fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b54d311b7eeed17cf821cf291baa3e77a60182998c8abf6845c02e19cc920fb", kill_on_drop: false }`
[INFO] [stdout] 5b54d311b7eeed17cf821cf291baa3e77a60182998c8abf6845c02e19cc920fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6962d61fb2f5d453e7b7f053f933859e3dc46fbf4d37085ff4ccec9d0e08b9e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6962d61fb2f5d453e7b7f053f933859e3dc46fbf4d37085ff4ccec9d0e08b9e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stdout] warning: unused return value of `core::ops::Mul::mul` that must be used
[INFO] [stdout]    --> src/big_num.rs:281:4
[INFO] [stdout]     |
[INFO] [stdout] 281 |             self.mul(rhs.words[0]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]    Compiling serde_json v0.6.1
[INFO] [stderr]    Compiling tiny-secp256k1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::ops::Mul::mul` that must be used
[INFO] [stdout]    --> src/big_num.rs:281:4
[INFO] [stdout]     |
[INFO] [stdout] 281 |             self.mul(rhs.words[0]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.67s
[INFO] running `Command { std: "docker" "inspect" "6962d61fb2f5d453e7b7f053f933859e3dc46fbf4d37085ff4ccec9d0e08b9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6962d61fb2f5d453e7b7f053f933859e3dc46fbf4d37085ff4ccec9d0e08b9e1", kill_on_drop: false }`
[INFO] [stdout] 6962d61fb2f5d453e7b7f053f933859e3dc46fbf4d37085ff4ccec9d0e08b9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35e3702928d52c0718110dae1ad37a68e1deb2cfef52f2b7d009fa629b0481b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "35e3702928d52c0718110dae1ad37a68e1deb2cfef52f2b7d009fa629b0481b3", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `core::ops::Mul::mul` that must be used
[INFO] [stderr]    --> src/big_num.rs:281:4
[INFO] [stderr]     |
[INFO] [stderr] 281 |             self.mul(rhs.words[0]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::ops::Mul::mul` that must be used
[INFO] [stderr]    --> src/big_num.rs:281:4
[INFO] [stderr]     |
[INFO] [stderr] 281 |             self.mul(rhs.words[0]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiny_secp256k1-cb13d6750ee02a35
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test big_num::tests::p_naf ... ok
[INFO] [stdout] test big_num::tests::n_naf ... ok
[INFO] [stdout] test big_num::tests::produces_valid_psn ... ok
[INFO] [stdout] test big_num::tests::red_invm ... ok
[INFO] [stdout] test big_num::tests::red_neg ... ok
[INFO] [stdout] test big_num::tests::red_reduce ... ok
[INFO] [stdout] test ecj_point::tests::ecj_point_add ... ok
[INFO] [stdout] test ecj_point::tests::ecj_point_mixed_add ... ok
[INFO] [stdout] test big_num::tests::big_num_partial_ord_u32 ... ok
[INFO] [stdout] test big_num::tests::multiply ... ok
[INFO] [stdout] test big_num::tests::produces_valid_nh ... ok
[INFO] [stdout] test big_num::tests::big_num_partial_eq_u32 ... ok
[INFO] [stdout] test big_num::tests::big_num_sub_big_num ... ok
[INFO] [stdout] test big_num::tests::mul_k ... ok
[INFO] [stdout] test big_num::tests::produces_valid_p ... ok
[INFO] [stdout] test big_num::tests::produces_valid_n ... ok
[INFO] [stdout] test big_num::tests::n_sub_one ... ok
[INFO] [stdout] test big_num::tests::is_overflow ... ok
[INFO] [stdout] test big_num::tests::big_num_shr ... ok
[INFO] [stdout] test big_num::tests::big_num_add_big_num ... ok
[INFO] [stdout] test big_num::tests::big_num_sub_big_num_negative ... ok
[INFO] [stdout] test big_num::tests::produces_valid_nc ... ok
[INFO] [stdout] test tests::create_public_key ... ok
[INFO] [stderr]    Doc-tests tiny-secp256k1
[INFO] [stdout] test tests::create_public_key_empty_phrase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 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] running `Command { std: "docker" "inspect" "35e3702928d52c0718110dae1ad37a68e1deb2cfef52f2b7d009fa629b0481b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e3702928d52c0718110dae1ad37a68e1deb2cfef52f2b7d009fa629b0481b3", kill_on_drop: false }`
[INFO] [stdout] 35e3702928d52c0718110dae1ad37a68e1deb2cfef52f2b7d009fa629b0481b3