[INFO] fetching crate merkle 1.11.0...
[INFO] testing merkle-1.11.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate merkle 1.11.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate merkle 1.11.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merkle 1.11.0
[INFO] finished tweaking crates.io crate merkle 1.11.0
[INFO] tweaked toml for crates.io crate merkle 1.11.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e3ef8ba44a32680cb7875070e57e0250a427042dfe7975cf106b689c335632b
[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" "2e3ef8ba44a32680cb7875070e57e0250a427042dfe7975cf106b689c335632b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e3ef8ba44a32680cb7875070e57e0250a427042dfe7975cf106b689c335632b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3ef8ba44a32680cb7875070e57e0250a427042dfe7975cf106b689c335632b", kill_on_drop: false }`
[INFO] [stdout] 2e3ef8ba44a32680cb7875070e57e0250a427042dfe7975cf106b689c335632b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c60a43ca3ea2911a70bf2f8a6bd5b174bd3229f0bfbf23ec6addaecead1893ad
[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" "c60a43ca3ea2911a70bf2f8a6bd5b174bd3229f0bfbf23ec6addaecead1893ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling merkle v1.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "c60a43ca3ea2911a70bf2f8a6bd5b174bd3229f0bfbf23ec6addaecead1893ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60a43ca3ea2911a70bf2f8a6bd5b174bd3229f0bfbf23ec6addaecead1893ad", kill_on_drop: false }`
[INFO] [stdout] c60a43ca3ea2911a70bf2f8a6bd5b174bd3229f0bfbf23ec6addaecead1893ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cfb8d5dc8b4a33a425887d6ecefbd0b69dbd62311e310a3e418c2df48403f72
[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" "9cfb8d5dc8b4a33a425887d6ecefbd0b69dbd62311e310a3e418c2df48403f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling merkle v1.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "9cfb8d5dc8b4a33a425887d6ecefbd0b69dbd62311e310a3e418c2df48403f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfb8d5dc8b4a33a425887d6ecefbd0b69dbd62311e310a3e418c2df48403f72", kill_on_drop: false }`
[INFO] [stdout] 9cfb8d5dc8b4a33a425887d6ecefbd0b69dbd62311e310a3e418c2df48403f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] ffed65211506bd11ff1090b44b7783ef5f646cbf729ee220f9e643cf5bc545d5
[INFO] running `Command { std: "docker" "start" "-a" "ffed65211506bd11ff1090b44b7783ef5f646cbf729ee220f9e643cf5bc545d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merkle-825c0684d4c80f42
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_from_vec1 ... ok
[INFO] [stdout] test tests::test_from_vec3 ... ok
[INFO] [stdout] test tests::test_custom_hashable_impl ... ok
[INFO] [stdout] test tests::test_tree_iter ... ok
[INFO] [stdout] test tests::test_valid_proof ... ok
[INFO] [stdout] test tests::test_valid_proof_str ... ok
[INFO] [stdout] test tests::test_from_str_vec ... ok
[INFO] [stdout] test tests::test_from_vec_empty ... ok
[INFO] [stdout] test tests::test_mutate_proof_first_lemma ... ok
[INFO] [stdout] test tests::test_tree_into_iter ... ok
[INFO] [stdout] test tests::test_wrong_proof ... ok
[INFO] [stdout] test tests::test_nth_proof ... ok
[INFO] [stdout] test tests::test_from_vec9 ... ok
[INFO] [stdout] test tests::test_tree_into_iter_loop ... ok
[INFO] [stdout] test tests::test_tree_into_iter_loop_borrow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/proto-d6cd5f993d86b36c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkle
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/hashutils.rs - hashutils::Hashable (line 15) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffed65211506bd11ff1090b44b7783ef5f646cbf729ee220f9e643cf5bc545d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffed65211506bd11ff1090b44b7783ef5f646cbf729ee220f9e643cf5bc545d5", kill_on_drop: false }`
[INFO] [stdout] ffed65211506bd11ff1090b44b7783ef5f646cbf729ee220f9e643cf5bc545d5