[INFO] fetching crate arber 0.2.0...
[INFO] testing arber-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate arber 0.2.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate arber 0.2.0 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 arber 0.2.0
[INFO] finished tweaking crates.io crate arber 0.2.0
[INFO] tweaked toml for crates.io crate arber 0.2.0 written to /workspace/builds/worker-60/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c371fa08be2cfeb276f3fb6f357ea4d0cc0bf3a694d7971665910c393788689
[INFO] running `Command { std: "docker" "start" "-a" "8c371fa08be2cfeb276f3fb6f357ea4d0cc0bf3a694d7971665910c393788689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c371fa08be2cfeb276f3fb6f357ea4d0cc0bf3a694d7971665910c393788689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c371fa08be2cfeb276f3fb6f357ea4d0cc0bf3a694d7971665910c393788689", kill_on_drop: false }`
[INFO] [stdout] 8c371fa08be2cfeb276f3fb6f357ea4d0cc0bf3a694d7971665910c393788689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef6edcf4b8f58d034c393348c5b55d662a9507e0ce9d715606a58780d2c0fc74
[INFO] running `Command { std: "docker" "start" "-a" "ef6edcf4b8f58d034c393348c5b55d662a9507e0ce9d715606a58780d2c0fc74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling byte-slice-cast v1.2.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling scale-info-derive v1.0.0
[INFO] [stderr]    Compiling parity-scale-codec v2.3.1
[INFO] [stderr]    Compiling scale-info v1.0.0
[INFO] [stderr]    Compiling arber v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.09s
[INFO] running `Command { std: "docker" "inspect" "ef6edcf4b8f58d034c393348c5b55d662a9507e0ce9d715606a58780d2c0fc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6edcf4b8f58d034c393348c5b55d662a9507e0ce9d715606a58780d2c0fc74", kill_on_drop: false }`
[INFO] [stdout] ef6edcf4b8f58d034c393348c5b55d662a9507e0ce9d715606a58780d2c0fc74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffbe80a7c0d233f759ac5dc0b4dbe192c63f784961635b14afa947a240681ab4
[INFO] running `Command { std: "docker" "start" "-a" "ffbe80a7c0d233f759ac5dc0b4dbe192c63f784961635b14afa947a240681ab4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[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 crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling arber v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `Command { std: "docker" "inspect" "ffbe80a7c0d233f759ac5dc0b4dbe192c63f784961635b14afa947a240681ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffbe80a7c0d233f759ac5dc0b4dbe192c63f784961635b14afa947a240681ab4", kill_on_drop: false }`
[INFO] [stdout] ffbe80a7c0d233f759ac5dc0b4dbe192c63f784961635b14afa947a240681ab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d58d3e5b993f0422ed27e86c2f85c80f3ba62799ce8dbb2f628070415ae85ed7
[INFO] running `Command { std: "docker" "start" "-a" "d58d3e5b993f0422ed27e86c2f85c80f3ba62799ce8dbb2f628070415ae85ed7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arber-39da1a91539a7774)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test hash::tests::from_hex_error ... ok
[INFO] [stdout] test hash::tests::from_hex_works ... ok
[INFO] [stdout] test hash::tests::from_vec_works ... ok
[INFO] [stdout] test hash::tests::hash_two_works ... ok
[INFO] [stdout] test hash::tests::hash_with_index_works ... ok
[INFO] [stdout] test hash::tests::tuple_hash_works ... ok
[INFO] [stdout] test mmr::tests::append_two_nodes ... ok
[INFO] [stdout] test hash::tests::u64_hash_works ... ok
[INFO] [stdout] test hash::tests::vec_hash_works ... ok
[INFO] [stdout] test mmr::tests::hash_error_works ... ok
[INFO] [stdout] test mmr::tests::append_tree_nodes ... ok
[INFO] [stdout] test hash::tests::u32_hash_works ... ok
[INFO] [stdout] test mmr::tests::bag_lower_peaks_works ... ok
[INFO] [stdout] test mmr::tests::peak_path_works ... ok
[INFO] [stdout] test mmr::tests::new_works ... ok
[INFO] [stdout] test mmr::tests::hash_works ... ok
[INFO] [stdout] test mmr::tests::proof_fails ... ok
[INFO] [stdout] test mmr::tests::root_fails ... ok
[INFO] [stdout] test mmr::tests::partial_prove_works ... ok
[INFO] [stdout] test mmr::tests::proof_works ... ok
[INFO] [stdout] test mmr::tests::peaks_works ... ok
[INFO] [stdout] test store::tests::append_works ... ok
[INFO] [stdout] test mmr::tests::validate_works ... ok
[INFO] [stdout] test mmr::tests::validate_fails ... ok
[INFO] [stdout] test mmr::tests::root_works ... ok
[INFO] [stdout] test store::tests::hash_at_fails ... ok
[INFO] [stdout] test store::tests::hash_at_works ... ok
[INFO] [stdout] test store::tests::peak_hash_fails ... ok
[INFO] [stdout] test store::tests::peak_hash_works ... ok
[INFO] [stdout] test utils::tests::family_path_invalid_args ... ok
[INFO] [stdout] test utils::tests::family_path_works ... ok
[INFO] [stdout] test utils::tests::family_works ... ok
[INFO] [stdout] test utils::tests::is_leaf_works ... ok
[INFO] [stdout] test utils::tests::is_left_works ... ok
[INFO] [stdout] test utils::tests::peaks_works ... ok
[INFO] [stderr]      Running tests/merkle_proof.rs (/opt/rustwide/target/debug/deps/merkle_proof-fc389a99157c7086)
[INFO] [stdout] test utils::tests::peak_height_map_works ... ok
[INFO] [stdout] test utils::tests::node_height_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test minimal_mmr ... ok
[INFO] [stdout] test proof_encode_decode ... ok
[INFO] [stdout] test verify_proof_single_peak ... ok
[INFO] [stdout] test non_existing_node ... ok
[INFO] [stdout] test single_node ... ok
[INFO] [stdout] test verify_proof_three_peaks ... ok
[INFO] [stdout] test verify_proof_two_peaks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vec_store.rs (/opt/rustwide/target/debug/deps/vec_store-3b461be6ead2a98d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test append_two_nodes ... ok
[INFO] [stdout] test validate ... ok
[INFO] [stdout] test append_multiple_nodes ... ok
[INFO] [stdout] test peaks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d58d3e5b993f0422ed27e86c2f85c80f3ba62799ce8dbb2f628070415ae85ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58d3e5b993f0422ed27e86c2f85c80f3ba62799ce8dbb2f628070415ae85ed7", kill_on_drop: false }`
[INFO] [stdout] d58d3e5b993f0422ed27e86c2f85c80f3ba62799ce8dbb2f628070415ae85ed7