[INFO] fetching crate tiny-secp256k1 0.1.0...
[INFO] testing tiny-secp256k1-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tiny-secp256k1 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tiny-secp256k1 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded serde_json v0.6.1
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded secp256k1 v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10a8fe9d80ae31f03db8c60397c9253f6725b33271cc0d499e6f8a4d32c2b868
[INFO] running `Command { std: "docker" "start" "-a" "10a8fe9d80ae31f03db8c60397c9253f6725b33271cc0d499e6f8a4d32c2b868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a8fe9d80ae31f03db8c60397c9253f6725b33271cc0d499e6f8a4d32c2b868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a8fe9d80ae31f03db8c60397c9253f6725b33271cc0d499e6f8a4d32c2b868", kill_on_drop: false }`
[INFO] [stdout] 10a8fe9d80ae31f03db8c60397c9253f6725b33271cc0d499e6f8a4d32c2b868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54178343f01096917edd1966c796e2010760ac5e18cf30382ad935f99595dc11
[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" "54178343f01096917edd1966c796e2010760ac5e18cf30382ad935f99595dc11", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-secp256k1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `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 1.31s
[INFO] running `Command { std: "docker" "inspect" "54178343f01096917edd1966c796e2010760ac5e18cf30382ad935f99595dc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54178343f01096917edd1966c796e2010760ac5e18cf30382ad935f99595dc11", kill_on_drop: false }`
[INFO] [stdout] 54178343f01096917edd1966c796e2010760ac5e18cf30382ad935f99595dc11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0577c1829db77aefb258580282e1309d47e7452f460ab6592aa87d1f9ac027d
[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" "f0577c1829db77aefb258580282e1309d47e7452f460ab6592aa87d1f9ac027d", kill_on_drop: false }`
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stdout] warning: unused return value of `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 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 `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 5.26s
[INFO] running `Command { std: "docker" "inspect" "f0577c1829db77aefb258580282e1309d47e7452f460ab6592aa87d1f9ac027d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0577c1829db77aefb258580282e1309d47e7452f460ab6592aa87d1f9ac027d", kill_on_drop: false }`
[INFO] [stdout] f0577c1829db77aefb258580282e1309d47e7452f460ab6592aa87d1f9ac027d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99ae11f47746a50891c5d00ac4a59166c0565d3c74848a7e9b2d62ea0c2d433f
[INFO] running `Command { std: "docker" "start" "-a" "99ae11f47746a50891c5d00ac4a59166c0565d3c74848a7e9b2d62ea0c2d433f", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `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] [stdout] 
[INFO] [stderr] warning: unused return value of `mul` that must be used
[INFO] [stdout] running 24 tests
[INFO] [stderr]    --> src/big_num.rs:281:4
[INFO] [stdout] test big_num::tests::big_num_shr ... ok
[INFO] [stderr]     |
[INFO] [stdout] test big_num::tests::is_overflow ... ok
[INFO] [stderr] 281 |             self.mul(rhs.words[0]);
[INFO] [stdout] test big_num::tests::mul_k ... ok
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test big_num::tests::multiply ... ok
[INFO] [stderr]     |
[INFO] [stdout] test big_num::tests::produces_valid_nc ... ok
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] test big_num::tests::produces_valid_nh ... ok
[INFO] [stderr] 
[INFO] [stdout] test big_num::tests::produces_valid_p ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test big_num::tests::produces_valid_psn ... ok
[INFO] [stderr] 
[INFO] [stdout] test big_num::tests::red_neg ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test big_num::tests::red_reduce ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiny_secp256k1-c33832c584a6a971
[INFO] [stdout] test ecj_point::tests::ecj_point_add ... ok
[INFO] [stdout] test big_num::tests::red_invm ... ok
[INFO] [stdout] test big_num::tests::big_num_partial_ord_u32 ... ok
[INFO] [stdout] test big_num::tests::big_num_partial_eq_u32 ... ok
[INFO] [stdout] test big_num::tests::big_num_sub_big_num_negative ... ok
[INFO] [stdout] test big_num::tests::n_sub_one ... ok
[INFO] [stdout] test big_num::tests::p_naf ... ok
[INFO] [stdout] test big_num::tests::produces_valid_n ... ok
[INFO] [stdout] test big_num::tests::n_naf ... ok
[INFO] [stdout] test ecj_point::tests::ecj_point_mixed_add ... ok
[INFO] [stdout] test big_num::tests::big_num_sub_big_num ... ok
[INFO] [stdout] test big_num::tests::big_num_add_big_num ... ok
[INFO] [stdout] test tests::create_public_key_empty_phrase ... ok
[INFO] [stderr]    Doc-tests tiny-secp256k1
[INFO] [stdout] test tests::create_public_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99ae11f47746a50891c5d00ac4a59166c0565d3c74848a7e9b2d62ea0c2d433f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ae11f47746a50891c5d00ac4a59166c0565d3c74848a7e9b2d62ea0c2d433f", kill_on_drop: false }`
[INFO] [stdout] 99ae11f47746a50891c5d00ac4a59166c0565d3c74848a7e9b2d62ea0c2d433f