[INFO] fetching crate cyber 1.0.2...
[INFO] checking cyber-1.0.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cyber 1.0.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cyber 1.0.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cyber 1.0.2
[INFO] finished tweaking crates.io crate cyber 1.0.2
[INFO] tweaked toml for crates.io crate cyber 1.0.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages
[INFO] [stderr]       Adding bech32 v0.9.1 (latest: v0.11.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding pbkdf2 v0.11.0 (latest: v0.12.2)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding secp256k1 v0.26.0 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.8.1 (latest: v0.10.0)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hdwallet v0.4.1
[INFO] [stderr]   Downloaded secp256k1 v0.26.0
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded tiny-bip39 v1.0.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb74e65d72c7d72f4502c3775f44ba1432d09c04070fffd3a63d2f84a97fdef9
[INFO] running `Command { std: "docker" "start" "-a" "cb74e65d72c7d72f4502c3775f44ba1432d09c04070fffd3a63d2f84a97fdef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb74e65d72c7d72f4502c3775f44ba1432d09c04070fffd3a63d2f84a97fdef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb74e65d72c7d72f4502c3775f44ba1432d09c04070fffd3a63d2f84a97fdef9", kill_on_drop: false }`
[INFO] [stdout] cb74e65d72c7d72f4502c3775f44ba1432d09c04070fffd3a63d2f84a97fdef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e57a47431ea934fc589219d8098f85beb363c3ee470f13da7bff692c24af5bb1
[INFO] running `Command { std: "docker" "start" "-a" "e57a47431ea934fc589219d8098f85beb363c3ee470f13da7bff692c24af5bb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tiny-bip39 v1.0.0
[INFO] [stderr]     Checking secp256k1 v0.26.0
[INFO] [stderr]     Checking hdwallet v0.4.1
[INFO] [stderr]     Checking cyber v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]  --> src/wallet.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bech32;
[INFO] [stdout]   |     ^^^^^^ the item `bech32` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]  --> src/wallet.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bech32;
[INFO] [stdout]   |     ^^^^^^ the item `bech32` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "e57a47431ea934fc589219d8098f85beb363c3ee470f13da7bff692c24af5bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57a47431ea934fc589219d8098f85beb363c3ee470f13da7bff692c24af5bb1", kill_on_drop: false }`
[INFO] [stdout] e57a47431ea934fc589219d8098f85beb363c3ee470f13da7bff692c24af5bb1