[INFO] fetching crate ipfs-cid 2.0.0...
[INFO] building ipfs-cid-2.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ipfs-cid 2.0.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ipfs-cid 2.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.13
[INFO] [stderr]   Downloaded multibase v0.9.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded multihash v0.18.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.41
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.11
[INFO] [stderr]   Downloaded thiserror v1.0.41
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded multihash-derive v0.8.1
[INFO] [stderr]   Downloaded unicode-xid v0.2.4
[INFO] [stderr]   Downloaded base-x v0.2.11
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded unsigned-varint v0.3.3
[INFO] [stderr]   Downloaded cc v1.0.92
[INFO] [stderr]   Downloaded cid v0.10.1
[INFO] [stderr]   Downloaded unsigned-varint v0.7.1
[INFO] [stderr]   Downloaded filetime v0.2.21
[INFO] [stderr]   Downloaded blake2s_simd v1.0.2
[INFO] [stderr]   Downloaded bs58 v0.5.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded core2 v0.4.0
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded multihash v0.11.4
[INFO] [stderr]   Downloaded blake2s_simd v0.5.11
[INFO] [stderr]   Downloaded keccak v0.1.4
[INFO] [stderr]   Downloaded cid v0.5.1
[INFO] [stderr]   Downloaded multibase v0.8.0
[INFO] [stderr]   Downloaded serde v1.0.185
[INFO] [stderr]   Downloaded quick-protobuf v0.7.0
[INFO] [stderr]   Downloaded ipfs-unixfs v0.2.0
[INFO] [stderr]   Downloaded memchr v2.6.2
[INFO] [stderr]   Downloaded blake3 v1.5.1
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbea59823225452098d267be797843e56d244f478694435d721bbe72475dc564
[INFO] running `Command { std: "docker" "start" "-a" "dbea59823225452098d267be797843e56d244f478694435d721bbe72475dc564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbea59823225452098d267be797843e56d244f478694435d721bbe72475dc564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbea59823225452098d267be797843e56d244f478694435d721bbe72475dc564", kill_on_drop: false }`
[INFO] [stdout] dbea59823225452098d267be797843e56d244f478694435d721bbe72475dc564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b703284984b9babfa57218452a7c8e465c5b145eb481cfecde3ceb00560740c
[INFO] running `Command { std: "docker" "start" "-a" "4b703284984b9babfa57218452a7c8e465c5b145eb481cfecde3ceb00560740c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling cc v1.0.92
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling memchr v2.6.2
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling multihash v0.11.4
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling blake2s_simd v1.0.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling unsigned-varint v0.7.1
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling quick-protobuf v0.7.0
[INFO] [stderr]    Compiling filetime v0.2.21
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling bs58 v0.5.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.11
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling data-encoding-macro v0.1.13
[INFO] [stderr]    Compiling multibase v0.8.0
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling multihash v0.18.1
[INFO] [stderr]    Compiling cid v0.5.1
[INFO] [stderr]    Compiling ipfs-unixfs v0.2.0
[INFO] [stderr]    Compiling cid v0.10.1
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.35s
[INFO] running `Command { std: "docker" "inspect" "4b703284984b9babfa57218452a7c8e465c5b145eb481cfecde3ceb00560740c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b703284984b9babfa57218452a7c8e465c5b145eb481cfecde3ceb00560740c", kill_on_drop: false }`
[INFO] [stdout] 4b703284984b9babfa57218452a7c8e465c5b145eb481cfecde3ceb00560740c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8002cab136b831d37636193a2e461f8d27b60a6de1d1c9c0b6baba4c8c899c0
[INFO] running `Command { std: "docker" "start" "-a" "d8002cab136b831d37636193a2e461f8d27b60a6de1d1c9c0b6baba4c8c899c0", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "d8002cab136b831d37636193a2e461f8d27b60a6de1d1c9c0b6baba4c8c899c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8002cab136b831d37636193a2e461f8d27b60a6de1d1c9c0b6baba4c8c899c0", kill_on_drop: false }`
[INFO] [stdout] d8002cab136b831d37636193a2e461f8d27b60a6de1d1c9c0b6baba4c8c899c0