[INFO] fetching crate nkeys 0.1.0...
[INFO] testing nkeys-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nkeys 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nkeys 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nkeys 0.1.0
[INFO] finished tweaking crates.io crate nkeys 0.1.0
[INFO] tweaked toml for crates.io crate nkeys 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate nkeys 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d616cc10d176871a7314ca28de69cfca204d2a86fedb7361ea5adcedc46bc217
[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" "d616cc10d176871a7314ca28de69cfca204d2a86fedb7361ea5adcedc46bc217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d616cc10d176871a7314ca28de69cfca204d2a86fedb7361ea5adcedc46bc217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d616cc10d176871a7314ca28de69cfca204d2a86fedb7361ea5adcedc46bc217", kill_on_drop: false }`
[INFO] [stdout] d616cc10d176871a7314ca28de69cfca204d2a86fedb7361ea5adcedc46bc217
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] fc5af66c2f5a75383f9cb9b6f88647aee12496dc8b858561b910e1db09449434
[INFO] running `Command { std: "docker" "start" "-a" "fc5af66c2f5a75383f9cb9b6f88647aee12496dc8b858561b910e1db09449434", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling ed25519 v1.0.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling subtle-encoding v0.5.1
[INFO] [stderr]    Compiling signatory v0.21.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling nkeys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.74s
[INFO] running `Command { std: "docker" "inspect" "fc5af66c2f5a75383f9cb9b6f88647aee12496dc8b858561b910e1db09449434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5af66c2f5a75383f9cb9b6f88647aee12496dc8b858561b910e1db09449434", kill_on_drop: false }`
[INFO] [stdout] fc5af66c2f5a75383f9cb9b6f88647aee12496dc8b858561b910e1db09449434
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7952df161663c95281ab3d6cf2cbd04fcc3b577344825701b7e8ac304b413af4
[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" "7952df161663c95281ab3d6cf2cbd04fcc3b577344825701b7e8ac304b413af4", kill_on_drop: false }`
[INFO] [stderr]    Compiling nkeys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "7952df161663c95281ab3d6cf2cbd04fcc3b577344825701b7e8ac304b413af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7952df161663c95281ab3d6cf2cbd04fcc3b577344825701b7e8ac304b413af4", kill_on_drop: false }`
[INFO] [stdout] 7952df161663c95281ab3d6cf2cbd04fcc3b577344825701b7e8ac304b413af4
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 291b09b833d0f8ba2fa106b535547e9fe96360bce8818357f5b1694a575d2c14
[INFO] running `Command { std: "docker" "start" "-a" "291b09b833d0f8ba2fa106b535547e9fe96360bce8818357f5b1694a575d2c14", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nkeys-87164acca250384b)
[INFO] [stdout] test error::tests::test_error_to_string ... ok
[INFO] [stdout] test tests::from_seed_rejects_invalid_encoding ... ok
[INFO] [stdout] test tests::module_has_proper_prefix ... ok
[INFO] [stdout] test tests::service_has_proper_prefix ... ok
[INFO] [stdout] test tests::public_key_round_trip ... ok
[INFO] [stdout] test tests::roundtrip_encoding_go_compat ... ok
[INFO] [stdout] test tests::from_seed_rejects_bad_length ... ok
[INFO] [stdout] test tests::from_seed_rejects_bad_prefix ... ok
[INFO] [stdout] test tests::sign_and_verify ... ok
[INFO] [stdout] test tests::seed_encode_decode_round_trip ... ok
[INFO] [stdout] test tests::sign_and_verify_rejects_mismatched_sig ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nkeys
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "291b09b833d0f8ba2fa106b535547e9fe96360bce8818357f5b1694a575d2c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291b09b833d0f8ba2fa106b535547e9fe96360bce8818357f5b1694a575d2c14", kill_on_drop: false }`
[INFO] [stdout] 291b09b833d0f8ba2fa106b535547e9fe96360bce8818357f5b1694a575d2c14