[INFO] fetching crate ipld_hamt 2.0.0...
[INFO] testing ipld_hamt-2.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate ipld_hamt 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ipld_hamt 2.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded multihash-derive v0.7.2
[INFO] [stderr]   Downloaded forest_json_utils v0.1.1
[INFO] [stderr]   Downloaded cid v0.6.1
[INFO] [stderr]   Downloaded forest_hash_utils v0.1.0
[INFO] [stderr]   Downloaded forest_ipld v0.1.1
[INFO] [stderr]   Downloaded cs_serde_cbor v0.12.0
[INFO] [stderr]   Downloaded multibase v0.9.1
[INFO] [stderr]   Downloaded ipld_blockstore v0.1.1
[INFO] [stderr]   Downloaded serde_tuple_macros v0.5.0
[INFO] [stderr]   Downloaded forest_db v0.1.0
[INFO] [stderr]   Downloaded cs_serde_bytes v0.12.0
[INFO] [stderr]   Downloaded integer-encoding v2.1.3
[INFO] [stderr]   Downloaded forest_encoding v0.2.1
[INFO] [stderr]   Downloaded unsigned-varint v0.6.0
[INFO] [stderr]   Downloaded multihash v0.13.2
[INFO] [stderr]   Downloaded forest_cid v0.3.0
[INFO] [stderr]   Downloaded serde_tuple v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8f2e07dc08a042856390d17b41a5ddb1bdf247c6b64da39f0b736df2b649fa7
[INFO] running `Command { std: "docker" "start" "-a" "e8f2e07dc08a042856390d17b41a5ddb1bdf247c6b64da39f0b736df2b649fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8f2e07dc08a042856390d17b41a5ddb1bdf247c6b64da39f0b736df2b649fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f2e07dc08a042856390d17b41a5ddb1bdf247c6b64da39f0b736df2b649fa7", kill_on_drop: false }`
[INFO] [stdout] e8f2e07dc08a042856390d17b41a5ddb1bdf247c6b64da39f0b736df2b649fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ebe81adcc27894ab0407c4677c6f56d4ef6862c636bd880629f93ba4adb0ce94
[INFO] running `Command { std: "docker" "start" "-a" "ebe81adcc27894ab0407c4677c6f56d4ef6862c636bd880629f93ba4adb0ce94", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling integer-encoding v2.1.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[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 v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[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 v0.9.5
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[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 async-trait v0.1.51
[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 v1.0.26
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cs_serde_bytes v0.12.0
[INFO] [stderr]    Compiling cs_serde_cbor v0.12.0
[INFO] [stderr]    Compiling forest_json_utils v0.1.1
[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 30.20s
[INFO] running `Command { std: "docker" "inspect" "ebe81adcc27894ab0407c4677c6f56d4ef6862c636bd880629f93ba4adb0ce94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe81adcc27894ab0407c4677c6f56d4ef6862c636bd880629f93ba4adb0ce94", kill_on_drop: false }`
[INFO] [stdout] ebe81adcc27894ab0407c4677c6f56d4ef6862c636bd880629f93ba4adb0ce94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d62004ca7da171dc6ebc6fce4bcd688dea0a5b6a9a2f6fb9057cb8ce29ec156
[INFO] running `Command { std: "docker" "start" "-a" "0d62004ca7da171dc6ebc6fce4bcd688dea0a5b6a9a2f6fb9057cb8ce29ec156", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling unsigned-varint v0.6.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[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 13.62s
[INFO] running `Command { std: "docker" "inspect" "0d62004ca7da171dc6ebc6fce4bcd688dea0a5b6a9a2f6fb9057cb8ce29ec156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d62004ca7da171dc6ebc6fce4bcd688dea0a5b6a9a2f6fb9057cb8ce29ec156", kill_on_drop: false }`
[INFO] [stdout] 0d62004ca7da171dc6ebc6fce4bcd688dea0a5b6a9a2f6fb9057cb8ce29ec156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d598586bbf9f31a99f9dc8d6405344f6c0bba33625b118783d690cea896cc19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1d598586bbf9f31a99f9dc8d6405344f6c0bba33625b118783d690cea896cc19", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipld_hamt-b5890fc9e952e7ff)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bitfield::tests::test_bitfield ... ok
[INFO] [stdout] test hash_bits::tests::test_bitfield ... ok
[INFO] [stdout] test bitfield::tests::test_cbor_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hamt_tests.rs (/opt/rustwide/target/debug/deps/hamt_tests-8154d56cf33686ee)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test reload_empty ... ok
[INFO] [stdout] test delete ... ok
[INFO] [stdout] test delete_case ... ok
[INFO] [stdout] test test_basics ... ok
[INFO] [stdout] test test_load ... ok
[INFO] [stdout] test test_set_if_absent ... ok
[INFO] [stdout] test set_with_no_effect_does_not_put ... 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 0.03s
[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::contains_key (line 218) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::set_if_absent (line 153) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::get (line 187) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::set (line 124) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt::delete (line 246) ... ok
[INFO] [stdout] test src/hamt.rs - hamt::Hamt (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d598586bbf9f31a99f9dc8d6405344f6c0bba33625b118783d690cea896cc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d598586bbf9f31a99f9dc8d6405344f6c0bba33625b118783d690cea896cc19", kill_on_drop: false }`
[INFO] [stdout] 1d598586bbf9f31a99f9dc8d6405344f6c0bba33625b118783d690cea896cc19