[INFO] fetching crate ipld_hamt 2.0.0...
[INFO] testing ipld_hamt-2.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ipld_hamt 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ipld_hamt 2.0.0 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_hamt 2.0.0
[INFO] finished tweaking crates.io crate ipld_hamt 2.0.0
[INFO] tweaked toml for crates.io crate ipld_hamt 2.0.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 16949f704affd9a3b0e3db3c8d1af3e45640051184912a6ee20f175c0331a4f7
[INFO] running `Command { std: "docker" "start" "-a" "16949f704affd9a3b0e3db3c8d1af3e45640051184912a6ee20f175c0331a4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16949f704affd9a3b0e3db3c8d1af3e45640051184912a6ee20f175c0331a4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16949f704affd9a3b0e3db3c8d1af3e45640051184912a6ee20f175c0331a4f7", kill_on_drop: false }`
[INFO] [stdout] 16949f704affd9a3b0e3db3c8d1af3e45640051184912a6ee20f175c0331a4f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] afa0efd546c909dbebbe8a4f68450941583cc2308be21223e74f8ab5f0cde3d3
[INFO] running `Command { std: "docker" "start" "-a" "afa0efd546c909dbebbe8a4f68450941583cc2308be21223e74f8ab5f0cde3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling integer-encoding v2.1.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[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 instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling multibase v0.8.0
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cs_serde_bytes v0.12.0
[INFO] [stderr]    Compiling forest_json_utils v0.1.1
[INFO] [stderr]    Compiling cs_serde_cbor v0.12.0
[INFO] [stderr]    Compiling serde_tuple v0.5.0
[INFO] [stderr]    Compiling forest_hash_utils v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling cid v0.6.1
[INFO] [stderr]    Compiling forest_cid v0.3.0
[INFO] [stderr]    Compiling forest_encoding v0.2.1
[INFO] [stderr]    Compiling forest_db v0.1.0
[INFO] [stderr]    Compiling forest_ipld v0.1.1
[INFO] [stderr]    Compiling ipld_blockstore v0.1.1
[INFO] [stderr]    Compiling ipld_hamt v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 46s
[INFO] running `Command { std: "docker" "inspect" "afa0efd546c909dbebbe8a4f68450941583cc2308be21223e74f8ab5f0cde3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa0efd546c909dbebbe8a4f68450941583cc2308be21223e74f8ab5f0cde3d3", kill_on_drop: false }`
[INFO] [stdout] afa0efd546c909dbebbe8a4f68450941583cc2308be21223e74f8ab5f0cde3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1e9cffcf6dea76518df759aa2a2d503eb5df9261218c7747b4cc6458958ba26f
[INFO] running `Command { std: "docker" "start" "-a" "1e9cffcf6dea76518df759aa2a2d503eb5df9261218c7747b4cc6458958ba26f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unsigned-varint v0.6.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling ipld_hamt v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.82s
[INFO] running `Command { std: "docker" "inspect" "1e9cffcf6dea76518df759aa2a2d503eb5df9261218c7747b4cc6458958ba26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9cffcf6dea76518df759aa2a2d503eb5df9261218c7747b4cc6458958ba26f", kill_on_drop: false }`
[INFO] [stdout] 1e9cffcf6dea76518df759aa2a2d503eb5df9261218c7747b4cc6458958ba26f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 156c4fbb2ca4e7cb02dddf16a36163041ca19deeca9583163287b1814bf6e2de
[INFO] running `Command { std: "docker" "start" "-a" "156c4fbb2ca4e7cb02dddf16a36163041ca19deeca9583163287b1814bf6e2de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipld_hamt-4e5509cd018d9cb8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bitfield::tests::test_bitfield ... ok
[INFO] [stdout] test bitfield::tests::test_cbor_serialization ... ok
[INFO] [stdout] test hash_bits::tests::test_bitfield ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hamt_tests.rs (/opt/rustwide/target/debug/deps/hamt_tests-5e9edee585464c93)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_basics ... ok
[INFO] [stdout] test reload_empty ... ok
[INFO] [stdout] test delete ... ok
[INFO] [stdout] test test_load ... ok
[INFO] [stdout] test set_with_no_effect_does_not_put ... ok
[INFO] [stdout] test delete_case ... ok
[INFO] [stdout] test test_set_if_absent ... ok
[INFO] [stdout] test clean_child_ordering ... ok
[INFO] [stdout] test for_each ... ok
[INFO] [stdout] test set_delete_many ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ipld_hamt
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::for_each (line 281) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::set (line 124) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::get (line 187) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::set_if_absent (line 153) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::contains_key (line 218) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt (line 18) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::delete (line 246) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "156c4fbb2ca4e7cb02dddf16a36163041ca19deeca9583163287b1814bf6e2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156c4fbb2ca4e7cb02dddf16a36163041ca19deeca9583163287b1814bf6e2de", kill_on_drop: false }`
[INFO] [stdout] 156c4fbb2ca4e7cb02dddf16a36163041ca19deeca9583163287b1814bf6e2de