[INFO] fetching crate libipld-core 0.12.0...
[INFO] testing libipld-core-0.12.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate libipld-core 0.12.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate libipld-core 0.12.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libipld-core 0.12.0
[INFO] finished tweaking crates.io crate libipld-core 0.12.0
[INFO] tweaked toml for crates.io crate libipld-core 0.12.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4eac1f2390331d11ca6eda4a37d99cb34c734a4eaafc86b0aaa0b3cc226bc6f2
[INFO] running `Command { std: "docker" "start" "-a" "4eac1f2390331d11ca6eda4a37d99cb34c734a4eaafc86b0aaa0b3cc226bc6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eac1f2390331d11ca6eda4a37d99cb34c734a4eaafc86b0aaa0b3cc226bc6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eac1f2390331d11ca6eda4a37d99cb34c734a4eaafc86b0aaa0b3cc226bc6f2", kill_on_drop: false }`
[INFO] [stdout] 4eac1f2390331d11ca6eda4a37d99cb34c734a4eaafc86b0aaa0b3cc226bc6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a62fb44337f75c71d0f66ef3fd418b65cd13ab25bf019fbbacef7cbdbfea7845
[INFO] running `Command { std: "docker" "start" "-a" "a62fb44337f75c71d0f66ef3fd418b65cd13ab25bf019fbbacef7cbdbfea7845", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling unsigned-varint v0.7.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]    Compiling multihash v0.14.0
[INFO] [stderr]    Compiling cid v0.7.0
[INFO] [stderr]    Compiling libipld-core v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.44s
[INFO] running `Command { std: "docker" "inspect" "a62fb44337f75c71d0f66ef3fd418b65cd13ab25bf019fbbacef7cbdbfea7845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62fb44337f75c71d0f66ef3fd418b65cd13ab25bf019fbbacef7cbdbfea7845", kill_on_drop: false }`
[INFO] [stdout] a62fb44337f75c71d0f66ef3fd418b65cd13ab25bf019fbbacef7cbdbfea7845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb7d44083ad88bbd65005d4f316e44c744358e433635319e738beb9f1f8c3907
[INFO] running `Command { std: "docker" "start" "-a" "bb7d44083ad88bbd65005d4f316e44c744358e433635319e738beb9f1f8c3907", kill_on_drop: false }`
[INFO] [stderr]    Compiling libipld-core v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "bb7d44083ad88bbd65005d4f316e44c744358e433635319e738beb9f1f8c3907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7d44083ad88bbd65005d4f316e44c744358e433635319e738beb9f1f8c3907", kill_on_drop: false }`
[INFO] [stdout] bb7d44083ad88bbd65005d4f316e44c744358e433635319e738beb9f1f8c3907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 499c2d8a9d173ea776388e436eb05f20bae6c4cb89b15b7b86e9f555493f1ba8
[INFO] running `Command { std: "docker" "start" "-a" "499c2d8a9d173ea776388e436eb05f20bae6c4cb89b15b7b86e9f555493f1ba8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libipld_core-89f0cb8e09faaa82)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test codec::tests::test_codec ... ok
[INFO] [stdout] test ipld::tests::test_get ... ok
[INFO] [stdout] test ipld::tests::test_ipld_bool_from ... ok
[INFO] [stdout] test ipld::tests::test_ipld_bytes_from ... ok
[INFO] [stdout] test ipld::tests::test_ipld_float_from ... ok
[INFO] [stdout] test ipld::tests::test_ipld_integer_from ... ok
[INFO] [stdout] test raw::tests::test_raw_codec ... ok
[INFO] [stdout] test ipld::tests::test_ipld_string_from ... ok
[INFO] [stdout] test ipld::tests::test_ipld_link_from ... ok
[INFO] [stdout] test ipld::tests::test_take ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libipld-core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "499c2d8a9d173ea776388e436eb05f20bae6c4cb89b15b7b86e9f555493f1ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499c2d8a9d173ea776388e436eb05f20bae6c4cb89b15b7b86e9f555493f1ba8", kill_on_drop: false }`
[INFO] [stdout] 499c2d8a9d173ea776388e436eb05f20bae6c4cb89b15b7b86e9f555493f1ba8