[INFO] fetching crate tree_hash 0.1.0...
[INFO] testing tree_hash-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate tree_hash 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tree_hash 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tree_hash 0.1.0
[INFO] finished tweaking crates.io crate tree_hash 0.1.0
[INFO] tweaked toml for crates.io crate tree_hash 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 013c07bfa112e92083e477b63348634d2ba68d2b6f2006bee7aea372df822e21
[INFO] running `"docker" "start" "-a" "013c07bfa112e92083e477b63348634d2ba68d2b6f2006bee7aea372df822e21"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling impl-serde v0.2.3
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.2
[INFO] [stderr]    Compiling rlp v0.4.5
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling ethbloom v0.6.4
[INFO] [stderr]    Compiling ethereum-types v0.5.2
[INFO] [stderr]    Compiling eth2_hashing v0.1.0
[INFO] [stderr]    Compiling tree_hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.02s
[INFO] running `"docker" "inspect" "013c07bfa112e92083e477b63348634d2ba68d2b6f2006bee7aea372df822e21"`
[INFO] running `"docker" "rm" "-f" "013c07bfa112e92083e477b63348634d2ba68d2b6f2006bee7aea372df822e21"`
[INFO] [stdout] 013c07bfa112e92083e477b63348634d2ba68d2b6f2006bee7aea372df822e21
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52b6408b99def40a5fad13a6900e91bbbbcc759465ce0d25c39f6d188e88fab1
[INFO] running `"docker" "start" "-a" "52b6408b99def40a5fad13a6900e91bbbbcc759465ce0d25c39f6d188e88fab1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling tree_hash_derive v0.1.0
[INFO] [stderr]    Compiling tree_hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `"docker" "inspect" "52b6408b99def40a5fad13a6900e91bbbbcc759465ce0d25c39f6d188e88fab1"`
[INFO] running `"docker" "rm" "-f" "52b6408b99def40a5fad13a6900e91bbbbcc759465ce0d25c39f6d188e88fab1"`
[INFO] [stdout] 52b6408b99def40a5fad13a6900e91bbbbcc759465ce0d25c39f6d188e88fab1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] e9f74b20cccd3c039e14ca416387db4dd4c88209be7a86db85576b4f590d149f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e9f74b20cccd3c039e14ca416387db4dd4c88209be7a86db85576b4f590d149f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tree_hash-546a9b078a388aa7
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_9_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_1_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_4_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_3_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_2_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_1_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::max_tree_depth_min_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_0_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_8_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_0_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_9_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::max_tree_depth_min_nodes ... ok
[INFO] [stdout] test test::mix_length ... ok
[INFO] [stdout] test impls::test::int_to_bytes ... ok
[INFO] [stdout] test impls::test::bool ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_3_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_4_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_2_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_range_of_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_8_nodes ... ok
[INFO] [stdout] test merkleize_padded::test::random_value::zero_value_8_nodes_varying_min_length ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_8_nodes_varying_min_length ... ok
[INFO] [stdout] test merkleize_padded::test::zero_value::zero_value_range_of_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree_hash
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e9f74b20cccd3c039e14ca416387db4dd4c88209be7a86db85576b4f590d149f"`
[INFO] running `"docker" "rm" "-f" "e9f74b20cccd3c039e14ca416387db4dd4c88209be7a86db85576b4f590d149f"`
[INFO] [stdout] e9f74b20cccd3c039e14ca416387db4dd4c88209be7a86db85576b4f590d149f