[INFO] fetching crate walleth 0.1.0...
[INFO] checking walleth-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate walleth 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate walleth 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate walleth 0.1.0
[INFO] finished tweaking crates.io crate walleth 0.1.0
[INFO] tweaked toml for crates.io crate walleth 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate walleth 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded keccak v0.1.4
[INFO] [stderr]   Downloaded chacha20poly1305 v0.9.1
[INFO] [stderr]   Downloaded const-oid v0.9.5
[INFO] [stderr]   Downloaded aead v0.4.3
[INFO] [stderr]   Downloaded ripemd v0.1.3
[INFO] [stderr]   Downloaded hex-conservative v0.1.1
[INFO] [stderr]   Downloaded signature v2.1.0
[INFO] [stderr]   Downloaded ecdsa v0.16.8
[INFO] [stderr]   Downloaded bs58 v0.5.0
[INFO] [stderr]   Downloaded crypto-bigint v0.5.3
[INFO] [stderr]   Downloaded der v0.7.8
[INFO] [stderr]   Downloaded elliptic-curve v0.13.5
[INFO] [stderr]   Downloaded bip32 v0.5.1
[INFO] [stderr]   Downloaded bitcoin-internals v0.2.0
[INFO] [stderr]   Downloaded bitcoin_hashes v0.13.0
[INFO] [stderr]   Downloaded chacha20 v0.8.2
[INFO] [stderr]   Downloaded poly1305 v0.7.2
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b4ecd22f7de792ae92dcfc8dc45c33878f654a5038571921dab94af15433eee
[INFO] running `Command { std: "docker" "start" "-a" "2b4ecd22f7de792ae92dcfc8dc45c33878f654a5038571921dab94af15433eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b4ecd22f7de792ae92dcfc8dc45c33878f654a5038571921dab94af15433eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4ecd22f7de792ae92dcfc8dc45c33878f654a5038571921dab94af15433eee", kill_on_drop: false }`
[INFO] [stdout] 2b4ecd22f7de792ae92dcfc8dc45c33878f654a5038571921dab94af15433eee
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d04d52354063391dffa2af27fd9a7ae96e7cc4be43dad360e6bd3e7a65544ab2
[INFO] running `Command { std: "docker" "start" "-a" "d04d52354063391dffa2af27fd9a7ae96e7cc4be43dad360e6bd3e7a65544ab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking const-oid v0.9.5
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking chacha20 v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking chacha20poly1305 v0.9.1
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking crypto-bigint v0.5.3
[INFO] [stderr]     Checking signature v2.1.0
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking bs58 v0.5.0
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]     Checking elliptic-curve v0.13.5
[INFO] [stderr]     Checking ecdsa v0.16.8
[INFO] [stderr]     Checking k256 v0.13.1
[INFO] [stderr]     Checking bip32 v0.5.1
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking walleth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "d04d52354063391dffa2af27fd9a7ae96e7cc4be43dad360e6bd3e7a65544ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04d52354063391dffa2af27fd9a7ae96e7cc4be43dad360e6bd3e7a65544ab2", kill_on_drop: false }`
[INFO] [stdout] d04d52354063391dffa2af27fd9a7ae96e7cc4be43dad360e6bd3e7a65544ab2
[INFO] checking walleth-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate walleth 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate walleth 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate walleth 0.1.0
[INFO] finished tweaking crates.io crate walleth 0.1.0
[INFO] tweaked toml for crates.io crate walleth 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate walleth 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 023a0bd7f49908fc48b8c7a9257fd544699443f303e400ae4d74ada6952b03a4
[INFO] running `Command { std: "docker" "start" "-a" "023a0bd7f49908fc48b8c7a9257fd544699443f303e400ae4d74ada6952b03a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "023a0bd7f49908fc48b8c7a9257fd544699443f303e400ae4d74ada6952b03a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023a0bd7f49908fc48b8c7a9257fd544699443f303e400ae4d74ada6952b03a4", kill_on_drop: false }`
[INFO] [stdout] 023a0bd7f49908fc48b8c7a9257fd544699443f303e400ae4d74ada6952b03a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0b9b8447e5768c1324349a534c58aea30759093ebb028a38997c3e4c128a47f
[INFO] running `Command { std: "docker" "start" "-a" "f0b9b8447e5768c1324349a534c58aea30759093ebb028a38997c3e4c128a47f", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking const-oid v0.9.5
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking chacha20 v0.8.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking chacha20poly1305 v0.9.1
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bs58 v0.5.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking crypto-bigint v0.5.3
[INFO] [stderr]     Checking signature v2.1.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]     Checking elliptic-curve v0.13.5
[INFO] [stderr]     Checking ecdsa v0.16.8
[INFO] [stderr]     Checking k256 v0.13.1
[INFO] [stderr]     Checking bip32 v0.5.1
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking walleth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "f0b9b8447e5768c1324349a534c58aea30759093ebb028a38997c3e4c128a47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b9b8447e5768c1324349a534c58aea30759093ebb028a38997c3e4c128a47f", kill_on_drop: false }`
[INFO] [stdout] f0b9b8447e5768c1324349a534c58aea30759093ebb028a38997c3e4c128a47f