[INFO] fetching crate anychain-bitcoin 0.1.4...
[INFO] checking anychain-bitcoin-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate anychain-bitcoin 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate anychain-bitcoin 0.1.4 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 anychain-bitcoin 0.1.4
[INFO] finished tweaking crates.io crate anychain-bitcoin 0.1.4
[INFO] tweaked toml for crates.io crate anychain-bitcoin 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 100 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bech32 v0.9.1 (latest: v0.11.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding bls-signatures v0.14.0 (latest: v0.15.0)
[INFO] [stderr]       Adding crypto-mac v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ethbloom v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding ethereum-types v0.13.1 (latest: v0.14.1)
[INFO] [stderr]       Adding fixed-hash v0.7.0 (latest: v0.8.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hkdf v0.11.0 (latest: v0.12.4)
[INFO] [stderr]       Adding hmac v0.8.1 (latest: v0.12.1)
[INFO] [stderr]       Adding hmac v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding impl-serde v0.3.2 (latest: v0.4.0)
[INFO] [stderr]       Adding primitive-types v0.11.1 (latest: v0.12.2)
[INFO] [stderr]       Adding proc-macro-crate v2.0.2 (latest: v3.1.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding subtle v2.4.1 (latest: v2.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (latest: v0.6.5)
[INFO] [stderr]       Adding toml_edit v0.20.2 (latest: v0.22.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base58 v0.2.0
[INFO] [stderr]   Downloaded bech32 v0.9.1
[INFO] [stderr]   Downloaded hex v0.4.3
[INFO] [stderr]   Downloaded anychain-core v0.1.3
[INFO] [stderr]   Downloaded rlp v0.5.2
[INFO] [stderr]   Downloaded keccak v0.1.5
[INFO] [stderr]   Downloaded opaque-debug v0.3.1
[INFO] [stderr]   Downloaded fixed-hash v0.7.0
[INFO] [stderr]   Downloaded proc-macro-crate v2.0.2
[INFO] [stderr]   Downloaded impl-rlp v0.3.0
[INFO] [stderr]   Downloaded hmac-drbg v0.3.0
[INFO] [stderr]   Downloaded rlp-derive v0.1.0
[INFO] [stderr]   Downloaded block-buffer v0.9.0
[INFO] [stderr]   Downloaded ethbloom v0.12.1
[INFO] [stderr]   Downloaded impl-codec v0.6.0
[INFO] [stderr]   Downloaded primitive-types v0.11.1
[INFO] [stderr]   Downloaded ethereum-types v0.13.1
[INFO] [stderr]   Downloaded crypto-mac v0.11.1
[INFO] [stderr]   Downloaded constant_time_eq v0.3.0
[INFO] [stderr]   Downloaded impl-serde v0.3.2
[INFO] [stderr]   Downloaded libsecp256k1 v0.7.1
[INFO] [stderr]   Downloaded blake2b_simd v1.0.2
[INFO] [stderr]   Downloaded hkdf v0.11.0
[INFO] [stderr]   Downloaded bls-signatures v0.14.0
[INFO] [stderr]   Downloaded bls12_381 v0.8.0
[INFO] [stderr]   Downloaded sha3 v0.10.8
[INFO] [stderr]   Downloaded hmac v0.11.0
[INFO] [stderr]   Downloaded group v0.13.0
[INFO] [stderr]   Downloaded parity-scale-codec v3.6.9
[INFO] [stderr]   Downloaded uint v0.9.5
[INFO] [stderr]   Downloaded crypto-mac v0.8.0
[INFO] [stderr]   Downloaded hmac v0.8.1
[INFO] [stderr]   Downloaded libsecp256k1-core v0.3.0
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded ff v0.13.0
[INFO] [stderr]   Downloaded pairing v0.23.0
[INFO] [stderr]   Downloaded tiny-keccak v2.0.2
[INFO] [stderr]   Downloaded byte-slice-cast v1.2.2
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.2
[INFO] [stderr]   Downloaded toml_datetime v0.6.3
[INFO] [stderr]   Downloaded toml_edit v0.20.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.6.9
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]   Downloaded subtle v2.4.1
[INFO] [stderr]   Downloaded digest v0.9.0
[INFO] [stderr]   Downloaded sha2 v0.9.9
[INFO] [stderr]   Downloaded libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]   Downloaded ripemd v0.1.3
[INFO] [stderr]   Downloaded sha2 v0.10.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a9f26b98edd5dabc3ae4d528cfc66d1ec19ce29d09f5f6f24872f6b2f4b1bedd
[INFO] running `Command { std: "docker" "start" "-a" "a9f26b98edd5dabc3ae4d528cfc66d1ec19ce29d09f5f6f24872f6b2f4b1bedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f26b98edd5dabc3ae4d528cfc66d1ec19ce29d09f5f6f24872f6b2f4b1bedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f26b98edd5dabc3ae4d528cfc66d1ec19ce29d09f5f6f24872f6b2f4b1bedd", kill_on_drop: false }`
[INFO] [stdout] a9f26b98edd5dabc3ae4d528cfc66d1ec19ce29d09f5f6f24872f6b2f4b1bedd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cb51285954125004c63d2a00f2384474e49b582c9107b9024bdfd4b2590924b0
[INFO] running `Command { std: "docker" "start" "-a" "cb51285954125004c63d2a00f2384474e49b582c9107b9024bdfd4b2590924b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking hkdf v0.11.0
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]     Checking bls12_381 v0.8.0
[INFO] [stderr]     Checking bls-signatures v0.14.0
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]     Checking parity-scale-codec v3.6.9
[INFO] [stderr]     Checking ethbloom v0.12.1
[INFO] [stderr]     Checking impl-codec v0.6.0
[INFO] [stderr]     Checking primitive-types v0.11.1
[INFO] [stderr]     Checking ethereum-types v0.13.1
[INFO] [stderr]     Checking anychain-core v0.1.3
[INFO] [stderr]     Checking anychain-bitcoin v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]   --> src/address.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bech32::{self, u5, FromBase32, ToBase32, Variant};
[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 `hex` is imported redundantly
[INFO] [stdout]  --> src/public_key.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anychain_core::{hex, libsecp256k1, Address, AddressError, PublicKey, PublicKeyError};
[INFO] [stdout]   |                     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/witness_program.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 | use anychain_core::{hex, AddressError, TransactionError};
[INFO] [stdout]    |                     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hex,
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]   --> src/address.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bech32::{self, u5, FromBase32, ToBase32, Variant};
[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 `hex` is imported redundantly
[INFO] [stdout]  --> src/public_key.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anychain_core::{hex, libsecp256k1, Address, AddressError, PublicKey, PublicKeyError};
[INFO] [stdout]   |                     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/witness_program.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 | use anychain_core::{hex, AddressError, TransactionError};
[INFO] [stdout]    |                     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hex,
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `Command { std: "docker" "inspect" "cb51285954125004c63d2a00f2384474e49b582c9107b9024bdfd4b2590924b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb51285954125004c63d2a00f2384474e49b582c9107b9024bdfd4b2590924b0", kill_on_drop: false }`
[INFO] [stdout] cb51285954125004c63d2a00f2384474e49b582c9107b9024bdfd4b2590924b0
[INFO] checking anychain-bitcoin-0.1.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate anychain-bitcoin 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate anychain-bitcoin 0.1.4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate anychain-bitcoin 0.1.4
[INFO] finished tweaking crates.io crate anychain-bitcoin 0.1.4
[INFO] tweaked toml for crates.io crate anychain-bitcoin 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c5b13017651987f5116a3d7c0edc287d0bd7e8abab9772bc288ffa8595aa23
[INFO] running `Command { std: "docker" "start" "-a" "19c5b13017651987f5116a3d7c0edc287d0bd7e8abab9772bc288ffa8595aa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c5b13017651987f5116a3d7c0edc287d0bd7e8abab9772bc288ffa8595aa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c5b13017651987f5116a3d7c0edc287d0bd7e8abab9772bc288ffa8595aa23", kill_on_drop: false }`
[INFO] [stdout] 19c5b13017651987f5116a3d7c0edc287d0bd7e8abab9772bc288ffa8595aa23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ec1230984a37ece2a0b819216650ad33709e88ce60cff2a128f24dd06913e6d
[INFO] running `Command { std: "docker" "start" "-a" "0ec1230984a37ece2a0b819216650ad33709e88ce60cff2a128f24dd06913e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking hkdf v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]     Checking bls12_381 v0.8.0
[INFO] [stderr]     Checking bls-signatures v0.14.0
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking parity-scale-codec v3.6.9
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]     Checking ethbloom v0.12.1
[INFO] [stderr]     Checking impl-codec v0.6.0
[INFO] [stderr]     Checking primitive-types v0.11.1
[INFO] [stderr]     Checking ethereum-types v0.13.1
[INFO] [stderr]     Checking anychain-core v0.1.3
[INFO] [stderr]     Checking anychain-bitcoin v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]   --> src/address.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bech32::{self, u5, FromBase32, ToBase32, Variant};
[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 `hex` is imported redundantly
[INFO] [stdout]  --> src/public_key.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anychain_core::{hex, libsecp256k1, Address, AddressError, PublicKey, PublicKeyError};
[INFO] [stdout]   |                     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/witness_program.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 | use anychain_core::{hex, AddressError, TransactionError};
[INFO] [stdout]    |                     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hex,
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]   --> src/address.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bech32::{self, u5, FromBase32, ToBase32, Variant};
[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 `hex` is imported redundantly
[INFO] [stdout]  --> src/public_key.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anychain_core::{hex, libsecp256k1, Address, AddressError, PublicKey, PublicKeyError};
[INFO] [stdout]   |                     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/witness_program.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 | use anychain_core::{hex, AddressError, TransactionError};
[INFO] [stdout]    |                     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hex,
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "0ec1230984a37ece2a0b819216650ad33709e88ce60cff2a128f24dd06913e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec1230984a37ece2a0b819216650ad33709e88ce60cff2a128f24dd06913e6d", kill_on_drop: false }`
[INFO] [stdout] 0ec1230984a37ece2a0b819216650ad33709e88ce60cff2a128f24dd06913e6d