[INFO] fetching crate merkle_tree 0.1.0...
[INFO] testing merkle_tree-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate merkle_tree 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate merkle_tree 0.1.0 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 merkle_tree 0.1.0
[INFO] finished tweaking crates.io crate merkle_tree 0.1.0
[INFO] tweaked toml for crates.io crate merkle_tree 0.1.0 written to /workspace/builds/worker-56/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8547a13bf21168025a4893684f53e8810fce6ea012fdd1c136fd374fd2863b1c
[INFO] running `Command { std: "docker" "start" "-a" "8547a13bf21168025a4893684f53e8810fce6ea012fdd1c136fd374fd2863b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8547a13bf21168025a4893684f53e8810fce6ea012fdd1c136fd374fd2863b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8547a13bf21168025a4893684f53e8810fce6ea012fdd1c136fd374fd2863b1c", kill_on_drop: false }`
[INFO] [stdout] 8547a13bf21168025a4893684f53e8810fce6ea012fdd1c136fd374fd2863b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2494777217bf07042efaaf7f24cabfa41da6c675d68afdb431df62757963db5
[INFO] running `Command { std: "docker" "start" "-a" "b2494777217bf07042efaaf7f24cabfa41da6c675d68afdb431df62757963db5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling hex-slice v0.1.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "b2494777217bf07042efaaf7f24cabfa41da6c675d68afdb431df62757963db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2494777217bf07042efaaf7f24cabfa41da6c675d68afdb431df62757963db5", kill_on_drop: false }`
[INFO] [stdout] b2494777217bf07042efaaf7f24cabfa41da6c675d68afdb431df62757963db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf205aefcc06e14c05e0987aff8561dd09bf781cb9a8fea3abdf626d332c4aef
[INFO] running `Command { std: "docker" "start" "-a" "cf205aefcc06e14c05e0987aff8561dd09bf781cb9a8fea3abdf626d332c4aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::crypto::sha2::Sha256`
[INFO] [stdout]   --> tests/bench_append.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use self::crypto::sha2::Sha256;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::crypto::digest::Digest`
[INFO] [stdout]   --> tests/bench_append.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use self::crypto::digest::Digest;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> tests/bench_build_tree.rs:518:30
[INFO] [stdout]     |
[INFO] [stdout] 518 |             (0..n).fold((), |a, b| {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> tests/bench_build_tree.rs:518:33
[INFO] [stdout]     |
[INFO] [stdout] 518 |             (0..n).fold((), |a, b| {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "cf205aefcc06e14c05e0987aff8561dd09bf781cb9a8fea3abdf626d332c4aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf205aefcc06e14c05e0987aff8561dd09bf781cb9a8fea3abdf626d332c4aef", kill_on_drop: false }`
[INFO] [stdout] cf205aefcc06e14c05e0987aff8561dd09bf781cb9a8fea3abdf626d332c4aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a4f3d4968ddcdd4b39a6601f43940a9a727c77428716e8148bbccbb4d922ee6
[INFO] running `Command { std: "docker" "start" "-a" "9a4f3d4968ddcdd4b39a6601f43940a9a727c77428716e8148bbccbb4d922ee6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::crypto::sha2::Sha256`
[INFO] [stderr]   --> tests/bench_append.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use self::crypto::sha2::Sha256;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::crypto::digest::Digest`
[INFO] [stderr]   --> tests/bench_append.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     use self::crypto::digest::Digest;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> tests/bench_build_tree.rs:518:30
[INFO] [stderr]     |
[INFO] [stderr] 518 |             (0..n).fold((), |a, b| {
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> tests/bench_build_tree.rs:518:33
[INFO] [stderr]     |
[INFO] [stderr] 518 |             (0..n).fold((), |a, b| {
[INFO] [stderr]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `merkle_tree` (test "bench_append") generated 2 warnings
[INFO] [stderr] warning: `merkle_tree` (test "bench_build_tree") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merkle_tree-2ba182f93fe2c2ca)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test merkle_tree::tests::build_empty_tree ... ok
[INFO] [stdout] test merkle_tree::tests::build_tree ... ok
[INFO] [stdout] test merkle_tree::tests::build_tree_one_leaf ... ok
[INFO] [stdout] test merkle_tree::tests::test_root_hash_not_found ... ok
[INFO] [stdout] test merkle_tree::tests::test_tree_not_builded ... ok
[INFO] [stdout] test merkle_tree::tests::build_tree_two_leaf ... ok
[INFO] [stdout] test merkle_tree::tests::build_tree_three_leaf ... ok
[INFO] [stdout] test merkle_tree::tests::repair_branch ... ok
[INFO] [stdout] test merkle_tree::tests::build_tree_from_leaves ... ok
[INFO] [stdout] test merkle_tree::tests::test_transaction_hash_not_found ... ok
[INFO] [stdout] test merkle_tree::tests::build_tree_four_leaf ... ok
[INFO] [stdout] test merkle_tree::tests::audit_proof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bench_append.rs (/opt/rustwide/target/debug/deps/bench_append-63447fc2415ca47e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::append_10000_bincode_parallel ... ok
[INFO] [stdout] test tests::append_100000_bincode_parallel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 38.85s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bench_build_tree.rs (/opt/rustwide/target/debug/deps/bench_build_tree-4ce76f9bf3caa706)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test tests::build_100_tree_sequence_msgpack ... ok
[INFO] [stdout] test tests::build_100_tree_sequence_bincode ... ok
[INFO] [stdout] test tests::build_100_tree_sequence_json ... ok
[INFO] [stdout] test tests::build_1_tree_parallel_bincode ... ok
[INFO] [stdout] test tests::build_1_tree_parallel_json ... ok
[INFO] [stdout] test tests::build_1000_tree_sequence_bincode ... ok
[INFO] [stdout] test tests::build_10_tree_sequence_bincode ... ok
[INFO] [stdout] test tests::build_1_tree_parallel_msgpack ... ok
[INFO] [stdout] test tests::build_10_tree_sequence_json ... ok
[INFO] [stdout] test tests::build_10_tree_sequence_msgpack ... ok
[INFO] [stdout] test tests::build_1_tree_sequence_bincode ... ok
[INFO] [stdout] test tests::build_1_tree_sequence_msgpack ... ok
[INFO] [stdout] test tests::build_1_tree_sequence_json ... ok
[INFO] [stdout] test tests::build_1000_tree_sequence_msgpack ... ok
[INFO] [stdout] test tests::build_1000_tree_sequence_json ... ok
[INFO] [stdout] test tests::build_10_tree_parallel_msgpack ... ok
[INFO] [stdout] test tests::build_10_tree_parallel_bincode ... ok
[INFO] [stdout] test tests::build_10_tree_parallel_json ... ok
[INFO] [stdout] test tests::build_100_tree_parallel_bincode ... ok
[INFO] [stdout] test tests::build_100_tree_parallel_json ... ok
[INFO] [stdout] test tests::build_100_tree_parallel_msgpack ... ok
[INFO] [stdout] test tests::build_1000_tree_parallel_msgpack ... ok
[INFO] [stdout] test tests::build_1000_tree_parallel_bincode ... ok
[INFO] [stdout] test tests::build_1000_tree_parallel_json ... ok
[INFO] [stdout] test tests::build_10000_tree_parallel_bincode ... ok
[INFO] [stdout] test tests::build_10000_tree_parallel_msgpack ... ok
[INFO] [stdout] test tests::build_10000_tree_parallel_json ... ok
[INFO] [stdout] test tests::build_10000_tree_sequence_msgpack ... ok
[INFO] [stdout] test tests::build_10000_tree_sequence_json ... ok
[INFO] [stdout] test tests::build_10000_tree_sequence_bincode ... ok
[INFO] [stdout] test tests::build_100000_tree_parallel_json ... ok
[INFO] [stdout] test tests::build_100000_tree_parallel_msgpack ... ok
[INFO] [stdout] test tests::build_100000_tree_parallel_bincode ... ok
[INFO] [stdout] test tests::build_100000_tree_sequence_bincode ... ok
[INFO] [stdout] test tests::build_100000_tree_sequence_msgpack ... ok
[INFO] [stdout] test tests::build_100000_tree_sequence_json ... ok
[INFO] [stdout] test tests::build_1000000_tree_parallel_msgpack ... ok
[INFO] [stdout] test tests::build_1000000_tree_parallel_json ... ok
[INFO] [stdout] test tests::build_1000000_tree_parallel_bincode ... ok
[INFO] [stdout] test tests::raw_hash_2000000_sequential ... ok
[INFO] [stdout] test tests::build_1000000_tree_sequence_msgpack ... ok
[INFO] [stdout] test tests::build_1000000_tree_sequence_bincode ... ok
[INFO] [stdout] test tests::build_1000000_tree_sequence_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 50.90s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkle_tree
[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] running `Command { std: "docker" "inspect" "9a4f3d4968ddcdd4b39a6601f43940a9a727c77428716e8148bbccbb4d922ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4f3d4968ddcdd4b39a6601f43940a9a727c77428716e8148bbccbb4d922ee6", kill_on_drop: false }`
[INFO] [stdout] 9a4f3d4968ddcdd4b39a6601f43940a9a727c77428716e8148bbccbb4d922ee6