[INFO] fetching crate ipld-block-builder 0.4.1...
[INFO] testing ipld-block-builder-0.4.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ipld-block-builder 0.4.1 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate ipld-block-builder 0.4.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipld-block-builder 0.4.1
[INFO] finished tweaking crates.io crate ipld-block-builder 0.4.1
[INFO] tweaked toml for crates.io crate ipld-block-builder 0.4.1 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc53044f66da28bf4cfa688b940ca41bc5a4d2addb39b23902d734a7e919688b
[INFO] running `Command { std: "docker" "start" "-a" "dc53044f66da28bf4cfa688b940ca41bc5a4d2addb39b23902d734a7e919688b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc53044f66da28bf4cfa688b940ca41bc5a4d2addb39b23902d734a7e919688b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc53044f66da28bf4cfa688b940ca41bc5a4d2addb39b23902d734a7e919688b", kill_on_drop: false }`
[INFO] [stdout] dc53044f66da28bf4cfa688b940ca41bc5a4d2addb39b23902d734a7e919688b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2893d527267287334907e18b8cdedc49c34a2d3135fa5633b061c75b1bb6930c
[INFO] running `Command { std: "docker" "start" "-a" "2893d527267287334907e18b8cdedc49c34a2d3135fa5633b061c75b1bb6930c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling cached v0.12.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling multihash v0.11.4
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling libipld-cbor-derive v0.3.0
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling multibase v0.8.0
[INFO] [stderr]    Compiling cid v0.5.1
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling libipld-core v0.3.1
[INFO] [stderr]    Compiling libipld-macro v0.3.0
[INFO] [stderr]    Compiling libipld-cbor v0.3.0
[INFO] [stderr]    Compiling libipld v0.3.1
[INFO] [stderr]    Compiling ipld-block-builder v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "2893d527267287334907e18b8cdedc49c34a2d3135fa5633b061c75b1bb6930c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2893d527267287334907e18b8cdedc49c34a2d3135fa5633b061c75b1bb6930c", kill_on_drop: false }`
[INFO] [stdout] 2893d527267287334907e18b8cdedc49c34a2d3135fa5633b061c75b1bb6930c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5baf92eb9ce8dde9e25ac2be5a66d6a293f6f381c4cb31bd2b66ade0864a5657
[INFO] running `Command { std: "docker" "start" "-a" "5baf92eb9ce8dde9e25ac2be5a66d6a293f6f381c4cb31bd2b66ade0864a5657", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipld-block-builder v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "5baf92eb9ce8dde9e25ac2be5a66d6a293f6f381c4cb31bd2b66ade0864a5657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5baf92eb9ce8dde9e25ac2be5a66d6a293f6f381c4cb31bd2b66ade0864a5657", kill_on_drop: false }`
[INFO] [stdout] 5baf92eb9ce8dde9e25ac2be5a66d6a293f6f381c4cb31bd2b66ade0864a5657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f03222faf7c081acbd3a5fb56c085af3cc68066750910fd73c4011f604964fe
[INFO] running `Command { std: "docker" "start" "-a" "1f03222faf7c081acbd3a5fb56c085af3cc68066750910fd73c4011f604964fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipld_block_builder-104cda192545dc41)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test builder::tests::test_block_builder ... ok
[INFO] [stdout] test builder::tests::test_dag ... ok
[INFO] [stdout] test cache::tests::test_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ipld-block-builder
[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" "1f03222faf7c081acbd3a5fb56c085af3cc68066750910fd73c4011f604964fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f03222faf7c081acbd3a5fb56c085af3cc68066750910fd73c4011f604964fe", kill_on_drop: false }`
[INFO] [stdout] 1f03222faf7c081acbd3a5fb56c085af3cc68066750910fd73c4011f604964fe