[INFO] fetching crate ipfs-cid 2.0.0...
[INFO] checking ipfs-cid-2.0.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate ipfs-cid 2.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ipfs-cid 2.0.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipfs-cid 2.0.0
[INFO] finished tweaking crates.io crate ipfs-cid 2.0.0
[INFO] tweaked toml for crates.io crate ipfs-cid 2.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ipfs-cid 2.0.0 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.16
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.13
[INFO] [stderr]   Downloaded multibase v0.9.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.41
[INFO] [stderr]   Downloaded data-encoding v2.4.0
[INFO] [stderr]   Downloaded multihash-derive v0.8.1
[INFO] [stderr]   Downloaded thiserror v1.0.41
[INFO] [stderr]   Downloaded bs58 v0.5.0
[INFO] [stderr]   Downloaded blake2s_simd v1.0.2
[INFO] [stderr]   Downloaded blake2s_simd v0.5.11
[INFO] [stderr]   Downloaded typenum v1.16.0
[INFO] [stderr]   Downloaded memchr v2.6.2
[INFO] [stderr]   Downloaded serde v1.0.185
[INFO] [stderr]   Downloaded quick-protobuf v0.7.0
[INFO] [stderr]   Downloaded multihash v0.18.1
[INFO] [stderr]   Downloaded unsigned-varint v0.7.1
[INFO] [stderr]   Downloaded unsigned-varint v0.3.3
[INFO] [stderr]   Downloaded cid v0.5.1
[INFO] [stderr]   Downloaded keccak v0.1.4
[INFO] [stderr]   Downloaded unsigned-varint v0.5.1
[INFO] [stderr]   Downloaded multihash v0.11.4
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded cid v0.10.1
[INFO] [stderr]   Downloaded multibase v0.8.0
[INFO] [stderr]   Downloaded ipfs-unixfs v0.2.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.11
[INFO] [stderr]   Downloaded sha3 v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 940a676b78358d81c25ee03d0ff7034a85f63565678fcba3f6ed01448061347b
[INFO] running `Command { std: "docker" "start" "-a" "940a676b78358d81c25ee03d0ff7034a85f63565678fcba3f6ed01448061347b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "940a676b78358d81c25ee03d0ff7034a85f63565678fcba3f6ed01448061347b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940a676b78358d81c25ee03d0ff7034a85f63565678fcba3f6ed01448061347b", kill_on_drop: false }`
[INFO] [stdout] 940a676b78358d81c25ee03d0ff7034a85f63565678fcba3f6ed01448061347b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76d4b0940fdc91572515dc65eb261e344ed0a9fb2de7cd86f36e94297ab77f15
[INFO] running `Command { std: "docker" "start" "-a" "76d4b0940fdc91572515dc65eb261e344ed0a9fb2de7cd86f36e94297ab77f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling cc v1.0.92
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking memchr v2.6.2
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking blake2s_simd v1.0.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking quick-protobuf v0.7.0
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking bs58 v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.11
[INFO] [stderr]     Checking data-encoding-macro v0.1.13
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking cid v0.5.1
[INFO] [stderr]     Checking ipfs-unixfs v0.2.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]     Checking multihash v0.18.1
[INFO] [stderr]     Checking cid v0.10.1
[INFO] [stderr]     Checking ipfs-cid v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let h = Code::Sha2_256.digest(bytes);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let h = Code::Sha2_256.digest(bytes);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 32.10s
[INFO] running `Command { std: "docker" "inspect" "76d4b0940fdc91572515dc65eb261e344ed0a9fb2de7cd86f36e94297ab77f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d4b0940fdc91572515dc65eb261e344ed0a9fb2de7cd86f36e94297ab77f15", kill_on_drop: false }`
[INFO] [stdout] 76d4b0940fdc91572515dc65eb261e344ed0a9fb2de7cd86f36e94297ab77f15