[INFO] fetching crate merkle 1.11.0...
[INFO] testing merkle-1.11.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate merkle 1.11.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate merkle 1.11.0 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 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-6/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] 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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a70858728c6b00f4bf87bc0a4adb7594911ccdcbbda48334eea79cff90faeed2
[INFO] running `Command { std: "docker" "start" "-a" "a70858728c6b00f4bf87bc0a4adb7594911ccdcbbda48334eea79cff90faeed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70858728c6b00f4bf87bc0a4adb7594911ccdcbbda48334eea79cff90faeed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70858728c6b00f4bf87bc0a4adb7594911ccdcbbda48334eea79cff90faeed2", kill_on_drop: false }`
[INFO] [stdout] a70858728c6b00f4bf87bc0a4adb7594911ccdcbbda48334eea79cff90faeed2
[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=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] a6994075f122acbc6cf1bcb4a4853a7de9c651f277e180b163684f1c3e1a2866
[INFO] running `Command { std: "docker" "start" "-a" "a6994075f122acbc6cf1bcb4a4853a7de9c651f277e180b163684f1c3e1a2866", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling merkle v1.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "a6994075f122acbc6cf1bcb4a4853a7de9c651f277e180b163684f1c3e1a2866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6994075f122acbc6cf1bcb4a4853a7de9c651f277e180b163684f1c3e1a2866", kill_on_drop: false }`
[INFO] [stdout] a6994075f122acbc6cf1bcb4a4853a7de9c651f277e180b163684f1c3e1a2866
[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=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] 1d9dd015443e9eed3eff5837eb23698124f073fca6b3ba0927710e8c08c8cc2f
[INFO] running `Command { std: "docker" "start" "-a" "1d9dd015443e9eed3eff5837eb23698124f073fca6b3ba0927710e8c08c8cc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[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 25.40s
[INFO] running `Command { std: "docker" "inspect" "1d9dd015443e9eed3eff5837eb23698124f073fca6b3ba0927710e8c08c8cc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9dd015443e9eed3eff5837eb23698124f073fca6b3ba0927710e8c08c8cc2f", kill_on_drop: false }`
[INFO] [stdout] 1d9dd015443e9eed3eff5837eb23698124f073fca6b3ba0927710e8c08c8cc2f
[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=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] 6f06cd28e9f631609b32782f9f74763486faad072cb0623c85a6eb6938b6ad62
[INFO] running `Command { std: "docker" "start" "-a" "6f06cd28e9f631609b32782f9f74763486faad072cb0623c85a6eb6938b6ad62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merkle-41a65fdf94ebd61d)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_from_vec1 ... ok
[INFO] [stdout] test tests::test_custom_hashable_impl ... ok
[INFO] [stdout] test tests::test_from_vec3 ... ok
[INFO] [stdout] test tests::test_from_str_vec ... ok
[INFO] [stdout] test tests::test_from_vec_empty ... ok
[INFO] [stdout] test tests::test_from_vec9 ... 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_tree_into_iter_loop ... ok
[INFO] [stdout] test tests::test_nth_proof ... ok
[INFO] [stdout] test tests::test_tree_into_iter_loop_borrow ... ok
[INFO] [stdout] test tests::test_tree_iter ... ok
[INFO] [stdout] test tests::test_valid_proof_str ... ok
[INFO] [stdout] test tests::test_wrong_proof ... ok
[INFO] [stdout] test tests::test_valid_proof ... 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 tests/proto.rs (/opt/rustwide/target/debug/deps/proto-323052f36ee5ab5d)
[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] [stderr]    Doc-tests merkle
[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" "6f06cd28e9f631609b32782f9f74763486faad072cb0623c85a6eb6938b6ad62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f06cd28e9f631609b32782f9f74763486faad072cb0623c85a6eb6938b6ad62", kill_on_drop: false }`
[INFO] [stdout] 6f06cd28e9f631609b32782f9f74763486faad072cb0623c85a6eb6938b6ad62