[INFO] fetching crate ledger-polkadot 0.2.0...
[INFO] checking ledger-polkadot-0.2.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate ledger-polkadot 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ledger-polkadot 0.2.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledger-polkadot 0.2.0
[INFO] finished tweaking crates.io crate ledger-polkadot 0.2.0
[INFO] tweaked toml for crates.io crate ledger-polkadot 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50821ed12fe5bc2652df9cb763a46ec3e3f2ea3d78e6a86d16721249d8bc1bf5
[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" "50821ed12fe5bc2652df9cb763a46ec3e3f2ea3d78e6a86d16721249d8bc1bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50821ed12fe5bc2652df9cb763a46ec3e3f2ea3d78e6a86d16721249d8bc1bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50821ed12fe5bc2652df9cb763a46ec3e3f2ea3d78e6a86d16721249d8bc1bf5", kill_on_drop: false }`
[INFO] [stdout] 50821ed12fe5bc2652df9cb763a46ec3e3f2ea3d78e6a86d16721249d8bc1bf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62ae93e3b9f423f751309827fdc548c2c62094deec2f14f405411d7c0d3b80f8
[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" "62ae93e3b9f423f751309827fdc548c2c62094deec2f14f405411d7c0d3b80f8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling hidapi v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ledger v0.2.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking ledger-polkadot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `from_bytes` found for struct `ed25519_dalek::Signature` in the current scope
[INFO] [stdout]    --> tests/integration_test.rs:116:40
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let signature = Signature::from_bytes(&sig).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^^^ function or associated item not found in `ed25519_dalek::Signature`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 31  | use crate::ed25519_dalek::ed25519::signature::Signature;
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let signature = Signature::to_bytes(&sig).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `verify` found for struct `ed25519_dalek::PublicKey` in the current scope
[INFO] [stdout]    --> tests/integration_test.rs:119:32
[INFO] [stdout]     |
[INFO] [stdout] 119 |             assert!(public_key.verify(&blob, &signature).is_ok());
[INFO] [stdout]     |                                ^^^^^^ method not found in `ed25519_dalek::PublicKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 31  | use crate::ed25519_dalek::Verifier;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ledger-polkadot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "62ae93e3b9f423f751309827fdc548c2c62094deec2f14f405411d7c0d3b80f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ae93e3b9f423f751309827fdc548c2c62094deec2f14f405411d7c0d3b80f8", kill_on_drop: false }`
[INFO] [stdout] 62ae93e3b9f423f751309827fdc548c2c62094deec2f14f405411d7c0d3b80f8